Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
111
FNUS54 KMRX 211858
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
258 PM EDT Fri Aug 21 2026
.DISCUSSION...
This afternoon and evening, scattered showers and storms are
expected in Northeast Tennessee, Southwest Virginia and the East
Tennessee Mountains. Elsewhere, showers and storms will be more
isolated. Drier conditions settle in for the weekend. Temperatures
will be close to normal through the weekend.
VAZ001-222000-
Lee-
Including the city of Rose Hill
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Mclear Mclear
Temp (24h trend) 62-67 (-1) 81-86 (0) 58-63 77-82
RH % (24h trend) 95-100 (0) 53-58 (-15) 95-100 43-48
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 7
Transport Wnd (mph) NW 3 W 12 NW 6 NW 13
Mixing Hgt(ft-agl) 380 4800 390 6140
Vent Rate (mph-ft) 1140 57600 2340 79820
Max Dispersion Early 2 Very Poor 29 Fair 3 Very Poor 53 Gen Good
Max Dispersion Late 1 Very Poor 46 Gen Good 3 Very Poor 68 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 8 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 30 0
Precip Type None None Tstms None
Precip Duration 1
Precip Amount 0.00 0.00 0.04 0.00
Precip Begin Continuing
Precip End 11 PM
Chance of Thunder (%) 0 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
46 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northeast winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ002-222000-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 60-65 (-2) 78-83 (0) 58-63 74-79
RH % (24h trend) 95-100 (+1) 57-62 (-14) 95-100 46-51
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 NW 8
PM 20FT Wnd (mph) Lgt/Var W 5 Lgt/Var NW 8
Transport Wnd (mph) SW 5 W 9 NW 7 NW 13
Mixing Hgt(ft-agl) 400 4520 440 5870
Vent Rate (mph-ft) 2000 40680 3080 76310
Max Dispersion Early 2 Very Poor 29 Fair 4 Very Poor 53 Gen Good
Max Dispersion Late 2 Very Poor 38 Fair 4 Very Poor 66 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 8 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 20 20 0
Precip Type None Tstms Tstms None
Precip Duration 1 1
Precip Amount 0.00 0.01 0.01 0.00
Precip Begin 5 PM Continuing
Precip End Continuing 2 AM
Chance of Thunder (%) 0 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows around 60. Southeast winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 67 percent. Southwest
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
61 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ005-222000-
Scott VA-
Including the city of Hiltons
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 62-67 (-2) 81-86 (0) 59-64 78-83
RH % (24h trend) 95-100 (+2) 59-64 (-10) 95-100 46-51
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SW 5 NW 7
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var W 9
Transport Wnd (mph) NW 2 W 9 NW 5 W 13
Mixing Hgt(ft-agl) 360 4810 360 6400
Vent Rate (mph-ft) 720 43290 1800 83200
Max Dispersion Early 2 Very Poor 26 Fair 3 Very Poor 52 Gen Good
Max Dispersion Late 1 Very Poor 40 Fair 2 Very Poor 71 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 30 20 20 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.05 0.01 0.03 0.00
Precip Begin 8 PM 5 PM Continuing
Precip End 10 PM Continuing 12 AM
Chance of Thunder (%) 20 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
47 percent. Southwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northeast winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
60 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ006-222000-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 61-66 (-2) 79-84 (0) 59-64 75-80
RH % (24h trend) 95-100 (+3) 60-65 (-10) 95-100 47-52
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SW 5 NW 9
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var NW 9
Transport Wnd (mph) S 5 W 8 W 8 W 13
Mixing Hgt(ft-agl) 390 4550 410 6540
Vent Rate (mph-ft) 1950 36400 3280 85020
Max Dispersion Early 2 Very Poor 25 Fair 3 Very Poor 54 Gen Good
Max Dispersion Late 2 Very Poor 33 Fair 3 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 8
Max LVORI Late 10 4 10 2
Precip Chance (%) 30 30 30 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.04 0.01 0.01 0.00
Precip Begin 8 PM 5 PM Continuing
Precip End 10 PM Continuing 2 AM
Chance of Thunder (%) 20 30 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs around 80. Minimum RH 47 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows around 60. East winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ008-222000-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 61-66 (-2) 79-84 (0) 59-64 75-80
RH % (24h trend) 95-100 (+3) 60-65 (-11) 95-100 46-51
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SW 5 W 8
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var W 10
Transport Wnd (mph) S 3 W 9 W 6 W 14
Mixing Hgt(ft-agl) 340 3910 350 6650
Vent Rate (mph-ft) 1020 35190 2100 93100
Max Dispersion Early 2 Very Poor 23 Fair 3 Very Poor 50 Gen Good
Max Dispersion Late 1 Very Poor 33 Fair 3 Very Poor 76 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 4 10 2
Precip Chance (%) 30 30 30 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.04 0.01 0.01 0.00
Precip Begin 8 PM 4 PM Continuing
Precip End 12 AM Continuing 2 AM
Chance of Thunder (%) 20 30 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
45 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Southwest winds less
than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 60 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ018-222000-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 60-65 (-2) 76-81 (-1) 57-62 72-77
RH % (24h trend) 95-100 (+3) 55-60 (-16) 95-100 46-51
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 NW 8
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var W 9
Transport Wnd (mph) SW 5 W 9 W 8 W 14
Mixing Hgt(ft-agl) 360 3810 430 5890
Vent Rate (mph-ft) 1800 34290 3440 82460
Max Dispersion Early 3 Very Poor 25 Fair 7 Poor 50 Gen Good
Max Dispersion Late 2 Very Poor 31 Fair 3 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 9 9 7 8
Max LVORI Late 10 4 9 2
Precip Chance (%) 40 20 30 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.03 0.01 0.01 0.00
Precip Begin 8 PM 3 PM Continuing
Precip End 2 AM Continuing 2 AM
Chance of Thunder (%) 30 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
less than 10 mph.
.MONDAY...Sunny. Highs in the mid 70s. Minimum RH 45 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
46 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 54 percent. Southwest
winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 66 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 60 percent. West winds
less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ047-222000-
Southeast Carter-
Including the city of Hampton
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 60-65 (-2) 76-81 (-1) 58-63 72-77
RH % (24h trend) 95-100 (+5) 58-63 (-13) 95-100 48-53
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 NW 11
PM 20FT Wnd (mph) Lgt/Var W 5 Lgt/Var NW 9
Transport Wnd (mph) SW 6 NW 9 W 7 NW 14
Mixing Hgt(ft-agl) 390 3610 450 5460
Vent Rate (mph-ft) 2340 32490 3150 76440
Max Dispersion Early 3 Very Poor 22 Fair 5 Very Poor 49 Gen Good
Max Dispersion Late 3 Very Poor 31 Fair 4 Very Poor 65 Good
Category Day 1 3 1 4
Max LVORI Early 8 9 6 7
Max LVORI Late 9 4 9 3
Precip Chance (%) 30 0 30 0
Precip Type Tstms None Showers None
Precip Duration 1 1
Precip Amount 0.03 0.00 0.01 0.00
Precip Begin 8 PM 8 PM
Precip End 1 AM 2 AM
Chance of Thunder (%) 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 49 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. Southeast winds
less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 57 percent. Southwest
winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 62 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ045-222000-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 61-66 (-2) 77-82 (-1) 59-64 73-78
RH % (24h trend) 95-100 (+5) 61-66 (-12) 95-100 49-54
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 7
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) SW 5 W 10 NW 6 NW 13
Mixing Hgt(ft-agl) 390 3750 410 5440
Vent Rate (mph-ft) 1950 37500 2460 70720
Max Dispersion Early 3 Very Poor 22 Fair 3 Very Poor 47 Gen Good
Max Dispersion Late 2 Very Poor 35 Fair 3 Very Poor 62 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 8
Max LVORI Late 10 4 9 3
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.03 0.00 0.05 0.00
Precip Begin 8 PM 8 PM
Precip End 11 PM 2 AM
Chance of Thunder (%) 30 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
48 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 50 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 69 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
63 percent. Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ043-222000-
Southeast Greene-
Including the city of Cedar Creek
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 61-66 (-2) 78-83 (0) 59-64 74-79
RH % (24h trend) 95-100 (+5) 54-59 (-15) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 NW 6
PM 20FT Wnd (mph) Lgt/Var NW 5 Lgt/Var NW 7
Transport Wnd (mph) S 5 W 9 W 6 NW 12
Mixing Hgt(ft-agl) 360 3910 420 5400
Vent Rate (mph-ft) 1800 35190 2520 64800
Max Dispersion Early 2 Very Poor 22 Fair 3 Very Poor 43 Gen Good
Max Dispersion Late 2 Very Poor 33 Fair 3 Very Poor 55 Gen Good
Category Day 1 3 1 4
Max LVORI Early 8 9 7 7
Max LVORI Late 10 3 9 2
Precip Chance (%) 30 0 60 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.15 0.00 0.08 0.00
Precip Begin 8 PM 8 PM
Precip End 11 PM 2 AM
Chance of Thunder (%) 30 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 48 percent. West winds
less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 65 percent. West winds
less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
60 percent. Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ041-222000-
Cocke Smoky Mountains-
Including the city of Hartford
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Pcldy Mclear
Temp (24h trend) 63-68 (-2) 79-84 (0) 61-66 75-80
RH % (24h trend) 95-100 (+8) 53-58 (-15) 95-100 43-48
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 8
PM 20FT Wnd (mph) Lgt/Var NW 5 Lgt/Var NW 8
Transport Wnd (mph) SW 5 W 10 W 7 NW 12
Mixing Hgt(ft-agl) 360 4060 380 5530
Vent Rate (mph-ft) 1800 40600 2660 66360
Max Dispersion Early 2 Very Poor 26 Fair 4 Very Poor 45 Gen Good
Max Dispersion Late 2 Very Poor 38 Fair 5 Very Poor 60 Gen Good
Category Day 1 3 1 4
Max LVORI Early 7 7 5 6
Max LVORI Late 7 3 7 2
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Showers None
Precip Duration 1 1
Precip Amount 0.07 0.00 0.04 0.00
Precip Begin 8 PM 9 PM
Precip End 12 AM 5 AM
Chance of Thunder (%) 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. South winds less
than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 51 percent. Northwest
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 66 percent. West winds
less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
62 percent. Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ074-222000-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Pcldy Mclear
Temp (24h trend) 61-66 (-2) 76-81 (0) 59-64 72-77
RH % (24h trend) 95-100 (+7) 52-57 (-18) 95-100 44-49
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 7
PM 20FT Wnd (mph) Lgt/Var NW 5 Lgt/Var NW 7
Transport Wnd (mph) W 5 NW 9 W 7 NW 13
Mixing Hgt(ft-agl) 390 3640 380 5660
Vent Rate (mph-ft) 1950 32760 2660 73580
Max Dispersion Early 3 Very Poor 21 Fair 3 Very Poor 44 Gen Good
Max Dispersion Late 2 Very Poor 31 Fair 3 Very Poor 60 Gen Good
Category Day 1 3 1 4
Max LVORI Early 7 8 5 7
Max LVORI Late 8 3 7 2
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.04 0.00 0.07 0.00
Precip Begin 8 PM 8 PM
Precip End 10 PM 5 AM
Chance of Thunder (%) 20 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH
47 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 54 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Southeast winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 62 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 64 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ072-222000-
Blount Smoky Mountains-
Including the city of Cades Cove
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 64-69 (-2) 81-86 (0) 62-67 78-83
RH % (24h trend) 95-100 (+5) 52-57 (-14) 95-100 44-49
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var N 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) SW 3 NW 9 W 5 NW 12
Mixing Hgt(ft-agl) 380 4170 390 6200
Vent Rate (mph-ft) 1140 37530 1950 74400
Max Dispersion Early 2 Very Poor 23 Fair 3 Very Poor 39 Fair
Max Dispersion Late 1 Very Poor 32 Fair 2 Very Poor 61 Good
Category Day 1 3 1 4
Max LVORI Early 8 9 6 8
Max LVORI Late 9 3 8 2
Precip Chance (%) 0 0 30 0
Precip Type None None Showers None
Precip Duration 1
Precip Amount 0.00 0.00 0.03 0.00
Precip Begin 10 PM
Precip End 2 AM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 52 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ087-222000-
Southeast Monroe-
Including the cities of Citico and Coker Creek
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 63-68 (-2) 82-87 (0) 60-65 79-84
RH % (24h trend) 95-100 (+2) 48-53 (-16) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var N 6
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) NE 3 NW 8 N 6 NW 12
Mixing Hgt(ft-agl) 420 4150 400 6370
Vent Rate (mph-ft) 1260 33200 2400 76440
Max Dispersion Early 2 Very Poor 23 Fair 3 Very Poor 43 Gen Good
Max Dispersion Late 1 Very Poor 31 Fair 3 Very Poor 62 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. East winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 51 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Southeast winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ102-222000-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 64-69 (-2) 85-90 (0) 61-66 82-87
RH % (24h trend) 95-100 (+1) 47-52 (-13) 95-100 38-43
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var N 7
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 7
Transport Wnd (mph) N 3 NW 9 NW 6 NW 12
Mixing Hgt(ft-agl) 390 4750 340 6740
Vent Rate (mph-ft) 1170 42750 2040 80880
Max Dispersion Early 2 Very Poor 28 Fair 2 Very Poor 43 Gen Good
Max Dispersion Late 1 Very Poor 39 Fair 2 Very Poor 66 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 6 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows around 60. Northeast winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows around 60. East winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent. West
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. South
winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ060-222000-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Pcldy Mclear
Temp (24h trend) 63-68 (-2) 83-88 (0) 60-65 80-85
RH % (24h trend) 95-100 (+2) 48-53 (-15) 95-100 38-43
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 6
PM 20FT Wnd (mph) Lgt/Var NW 5 Lgt/Var NW 7
Transport Wnd (mph) E 3 NW 9 NW 7 NW 12
Mixing Hgt(ft-agl) 390 4190 330 6350
Vent Rate (mph-ft) 1170 37710 2310 76200
Max Dispersion Early 2 Very Poor 28 Fair 3 Very Poor 46 Gen Good
Max Dispersion Late 1 Very Poor 36 Fair 3 Very Poor 60 Gen Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows around 60. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 50 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ061-222000-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Pcldy Mclear
Temp (24h trend) 61-66 (-3) 80-85 (+1) 59-64 77-82
RH % (24h trend) 95-100 (+4) 55-60 (-15) 95-100 43-48
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) N 3 NW 10 NW 7 NW 12
Mixing Hgt(ft-agl) 400 4370 390 5920
Vent Rate (mph-ft) 1200 43700 2730 71040
Max Dispersion Early 2 Very Poor 25 Fair 3 Very Poor 51 Gen Good
Max Dispersion Late 2 Very Poor 38 Fair 3 Very Poor 61 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 6 8
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 47 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 80. Minimum RH 55 percent. West winds
less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 73 percent. West winds
less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. North winds less than
10 mph.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the lower 80s. Minimum RH 68 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ015-222000-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Mclear Mclear
Temp (24h trend) 63-68 (-1) 83-88 (+1) 59-64 80-85
RH % (24h trend) 95-100 (0) 53-58 (-12) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 3 W 9 NW 5 NW 14
Mixing Hgt(ft-agl) 340 5160 390 6920
Vent Rate (mph-ft) 1020 46440 1950 96880
Max Dispersion Early 2 Very Poor 33 Fair 3 Very Poor 54 Gen Good
Max Dispersion Late 1 Very Poor 49 Gen Good 2 Very Poor 80 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 8 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 30 0
Precip Type None None Tstms None
Precip Duration 1
Precip Amount 0.00 0.00 0.15 0.00
Precip Begin Continuing
Precip End 12 AM
Chance of Thunder (%) 0 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 43 percent. West
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ016-222000-
Hawkins-
Including the city of Mooresburg
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 63-68 (-2) 83-88 (+1) 61-66 79-84
RH % (24h trend) 95-100 (0) 57-62 (-11) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var W 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var W 7
Transport Wnd (mph) N 2 W 9 NW 5 W 13
Mixing Hgt(ft-agl) 340 5160 340 6980
Vent Rate (mph-ft) 680 46440 1700 90740
Max Dispersion Early 2 Very Poor 28 Fair 3 Very Poor 51 Gen Good
Max Dispersion Late 1 Very Poor 48 Gen Good 2 Very Poor 78 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 8 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 20 0 30 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.04 0.00 0.08 0.00
Precip Begin 8 PM 8 PM
Precip End 11 PM 12 AM
Chance of Thunder (%) 20 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 47 percent. West
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ017-222000-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 63-68 (-2) 81-86 (-1) 61-66 78-83
RH % (24h trend) 95-100 (+2) 57-62 (-10) 95-100 46-51
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SW 6 W 8
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var W 9
Transport Wnd (mph) S 2 W 10 W 5 W 13
Mixing Hgt(ft-agl) 330 4180 350 6750
Vent Rate (mph-ft) 660 41800 1750 87750
Max Dispersion Early 2 Very Poor 22 Fair 3 Very Poor 45 Gen Good
Max Dispersion Late 1 Very Poor 34 Fair 2 Very Poor 75 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 30 20 40 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.03 0.02 0.01 0.00
Precip Begin 8 PM 6 PM Continuing
Precip End 12 AM Continuing 1 AM
Chance of Thunder (%) 20 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. East winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. South winds less than
10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ046-222000-
Northwest Carter-
Including the city of Elizabethton
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 62-67 (-2) 80-85 (0) 60-65 76-81
RH % (24h trend) 95-100 (+6) 56-61 (-11) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 W 7
PM 20FT Wnd (mph) Lgt/Var W 6 Lgt/Var W 9
Transport Wnd (mph) S 3 W 8 SW 6 W 13
Mixing Hgt(ft-agl) 380 3860 420 6210
Vent Rate (mph-ft) 1140 30880 2520 80730
Max Dispersion Early 2 Very Poor 22 Fair 3 Very Poor 44 Gen Good
Max Dispersion Late 2 Very Poor 32 Fair 2 Very Poor 70 Good
Category Day 1 3 1 4
Max LVORI Early 8 9 7 7
Max LVORI Late 10 3 9 2
Precip Chance (%) 30 20 40 0
Precip Type Tstms Tstms Tstms None
Precip Duration 1 1 1
Precip Amount 0.03 0.01 0.01 0.00
Precip Begin 8 PM 2 PM Continuing
Precip End 12 AM Continuing 2 AM
Chance of Thunder (%) 30 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs around 80. Minimum RH 44 percent.
West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
45 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
West winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ044-222000-
Washington TN-
Including the city of Johnson City
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 63-68 (-2) 82-87 (0) 61-66 78-83
RH % (24h trend) 95-100 (+3) 56-61 (-10) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var W 7
PM 20FT Wnd (mph) Lgt/Var W 5 Lgt/Var W 8
Transport Wnd (mph) SW 2 W 9 W 6 W 13
Mixing Hgt(ft-agl) 340 4310 370 6210
Vent Rate (mph-ft) 680 38790 2220 80730
Max Dispersion Early 2 Very Poor 22 Fair 4 Very Poor 42 Gen Good
Max Dispersion Late 1 Very Poor 36 Fair 3 Very Poor 68 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.05 0.00 0.08 0.00
Precip Begin 8 PM 8 PM
Precip End 11 PM 1 AM
Chance of Thunder (%) 20 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
45 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 44 percent. West
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 56 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ042-222000-
Northwest Greene-
Including the city of Greeneville
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 63-68 (-2) 83-88 (0) 61-66 80-85
RH % (24h trend) 95-100 (+2) 56-61 (-8) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var W 6
PM 20FT Wnd (mph) Lgt/Var W 5 Lgt/Var W 6
Transport Wnd (mph) SW 2 W 8 W 6 W 12
Mixing Hgt(ft-agl) 320 4510 340 5780
Vent Rate (mph-ft) 640 36080 2040 69360
Max Dispersion Early 2 Very Poor 26 Fair 3 Very Poor 40 Fair
Max Dispersion Late 1 Very Poor 39 Fair 2 Very Poor 54 Gen Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.03 0.00 0.11 0.00
Precip Begin 8 PM 8 PM
Precip End 11 PM 2 AM
Chance of Thunder (%) 30 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
45 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 45 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ038-222000-
Grainger-
Including the city of Bean Station
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 65-70 (-1) 85-90 (+1) 62-67 82-87
RH % (24h trend) 95-100 (+1) 53-58 (-10) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 3 W 10 NW 5 NW 13
Mixing Hgt(ft-agl) 330 5160 330 6720
Vent Rate (mph-ft) 990 51600 1650 87360
Max Dispersion Early 2 Very Poor 32 Fair 3 Very Poor 43 Gen Good
Max Dispersion Late 1 Very Poor 48 Gen Good 2 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 20 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 8 PM
Precip End 11 PM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Northeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 44 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ039-222000-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mclear Mclear
Temp (24h trend) 65-70 (-1) 84-89 (+1) 63-68 81-86
RH % (24h trend) 95-100 (0) 55-60 (-10) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NW 2 W 10 NW 5 W 12
Mixing Hgt(ft-agl) 340 4740 340 6630
Vent Rate (mph-ft) 680 47400 1700 79560
Max Dispersion Early 2 Very Poor 29 Fair 3 Very Poor 41 Gen Good
Max Dispersion Late 1 Very Poor 43 Gen Good 2 Very Poor 68 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 20 0
Precip Type None None Showers None
Precip Duration 1
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 8 PM
Precip End 12 AM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
44 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Northeast winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 58 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ040-222000-
Northwest Cocke-
Including the cities of Bybee and Newport
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 65-70 (-2) 83-88 (0) 63-68 80-85
RH % (24h trend) 95-100 (+2) 53-58 (-11) 95-100 44-49
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var W 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) SW 3 W 10 W 6 W 12
Mixing Hgt(ft-agl) 320 4650 340 6020
Vent Rate (mph-ft) 960 46500 2040 72240
Max Dispersion Early 2 Very Poor 28 Fair 3 Very Poor 40 Fair
Max Dispersion Late 1 Very Poor 40 Fair 2 Very Poor 57 Gen Good
Category Day 1 3 1 4
Max LVORI Early 8 10 6 8
Max LVORI Late 10 3 9 2
Precip Chance (%) 30 0 50 0
Precip Type Tstms None Tstms None
Precip Duration 1 1
Precip Amount 0.05 0.00 0.01 0.00
Precip Begin 8 PM 9 PM
Precip End 11 PM 2 AM
Chance of Thunder (%) 30 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. Southwest winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. East winds less
than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 47 percent. North
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent. West
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ070-222000-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mclear
Temp (24h trend) 66-71 (-1) 85-90 (0) 63-68 82-87
RH % (24h trend) 95-100 (0) 52-57 (-11) 95-100 43-48
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var W 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) W 3 W 10 W 5 NW 12
Mixing Hgt(ft-agl) 340 4870 320 7000
Vent Rate (mph-ft) 1020 48700 1600 84000
Max Dispersion Early 2 Very Poor 29 Fair 3 Very Poor 39 Fair
Max Dispersion Late 1 Very Poor 42 Gen Good 2 Very Poor 71 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 30 0
Precip Type None None Showers None
Precip Duration 1
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 9 PM
Precip End 12 AM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 46 percent. North
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ035-222000-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 63-68 (-2) 84-89 (+2) 60-65 81-86
RH % (24h trend) 95-100 (0) 52-57 (-15) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NW 5 W 10 N 6 NW 12
Mixing Hgt(ft-agl) 370 4800 380 6840
Vent Rate (mph-ft) 1850 48000 2280 82080
Max Dispersion Early 3 Very Poor 30 Fair 4 Very Poor 46 Gen Good
Max Dispersion Late 2 Very Poor 44 Gen Good 3 Very Poor 69 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 49 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. East winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. West winds less than 10 mph.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ012-222000-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 63-68 (-2) 83-88 (+1) 60-65 80-85
RH % (24h trend) 95-100 (+1) 51-56 (-16) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 3 W 10 N 6 NW 12
Mixing Hgt(ft-agl) 390 4640 380 6690
Vent Rate (mph-ft) 1170 46400 2280 80280
Max Dispersion Early 3 Very Poor 29 Fair 4 Very Poor 46 Gen Good
Max Dispersion Late 2 Very Poor 44 Gen Good 3 Very Poor 69 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 20 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.01 0.00 0.00
Precip Begin 6 PM
Precip End 8 PM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 48 percent. West
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. West
winds less than 10 mph.
.THURSDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ013-222000-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 64-69 (-2) 82-87 (+2) 61-66 78-83
RH % (24h trend) 95-100 (0) 55-60 (-17) 95-100 45-50
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NW 5 W 10 NW 6 NW 13
Mixing Hgt(ft-agl) 350 4900 400 6770
Vent Rate (mph-ft) 1750 49000 2400 88010
Max Dispersion Early 2 Very Poor 30 Fair 4 Very Poor 50 Gen Good
Max Dispersion Late 2 Very Poor 46 Gen Good 3 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 8
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 20 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.01 0.00 0.00
Precip Begin 7 PM
Precip End Continuing
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
48 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
53 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.FRIDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ014-222000-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 64-69 (-1) 84-89 (+2) 60-65 80-85
RH % (24h trend) 95-100 (0) 51-56 (-14) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NW 3 W 10 NW 5 NW 13
Mixing Hgt(ft-agl) 350 5040 330 6490
Vent Rate (mph-ft) 1050 50400 1650 84370
Max Dispersion Early 2 Very Poor 32 Fair 3 Very Poor 49 Gen Good
Max Dispersion Late 1 Very Poor 46 Gen Good 3 Very Poor 70 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 20 0
Precip Type None None Tstms None
Precip Duration 1
Precip Amount 0.00 0.00 0.11 0.00
Precip Begin Continuing
Precip End 11 PM
Chance of Thunder (%) 0 0 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. Light and variable wind.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ037-222000-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 65-70 (-1) 85-90 (+2) 62-67 82-87
RH % (24h trend) 95-100 (0) 53-58 (-12) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 3 W 10 NW 3 NW 12
Mixing Hgt(ft-agl) 350 5170 370 6470
Vent Rate (mph-ft) 1050 51700 1110 77640
Max Dispersion Early 2 Very Poor 28 Fair 3 Very Poor 43 Gen Good
Max Dispersion Late 1 Very Poor 48 Gen Good 2 Very Poor 63 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 7 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 60. North winds less
than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 47 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light and
variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 58 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ036-222000-
Anderson-
Including the cities of Oak Ridge and Clinton
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 65-70 (-2) 85-90 (+3) 61-66 81-86
RH % (24h trend) 95-100 (+2) 50-55 (-16) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) N 5 W 9 N 5 NW 12
Mixing Hgt(ft-agl) 360 5280 380 7270
Vent Rate (mph-ft) 1800 47520 1900 87240
Max Dispersion Early 2 Very Poor 29 Fair 3 Very Poor 46 Gen Good
Max Dispersion Late 2 Very Poor 43 Gen Good 2 Very Poor 72 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 8
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
49 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ069-222000-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 66-71 (-2) 87-92 (+2) 63-68 84-89
RH % (24h trend) 95-100 (+1) 51-56 (-11) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 3 W 9 NW 3 NW 12
Mixing Hgt(ft-agl) 320 5260 350 7620
Vent Rate (mph-ft) 960 47340 1050 91440
Max Dispersion Early 2 Very Poor 25 Fair 3 Very Poor 40 Fair
Max Dispersion Late 1 Very Poor 44 Gen Good 2 Very Poor 76 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 20 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 10 PM
Precip End 11 PM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
45 percent. Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ073-222000-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mclear Pcldy Mclear
Temp (24h trend) 66-71 (-1) 85-90 (+1) 63-68 82-87
RH % (24h trend) 95-100 (+2) 51-56 (-11) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) SW 3 W 8 W 5 NW 10
Mixing Hgt(ft-agl) 320 4420 320 6790
Vent Rate (mph-ft) 960 35360 1600 67900
Max Dispersion Early 2 Very Poor 24 Fair 2 Very Poor 36 Fair
Max Dispersion Late 1 Very Poor 36 Fair 2 Very Poor 64 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 40 0
Precip Type None None Showers None
Precip Duration 1
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 9 PM
Precip End 2 AM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southwest
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
42 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Southeast winds less than 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent. West
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the upper 60s. South winds less than 10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ067-222000-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 65-70 (-2) 88-93 (+3) 62-67 84-89
RH % (24h trend) 95-100 (0) 49-54 (-17) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 3 NW 9 N 5 NW 12
Mixing Hgt(ft-agl) 320 5420 370 7610
Vent Rate (mph-ft) 960 48780 1850 91320
Max Dispersion Early 3 Very Poor 29 Fair 3 Very Poor 43 Gen Good
Max Dispersion Late 1 Very Poor 43 Gen Good 2 Very Poor 76 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
44 percent. Light and variable wind.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Light and variable wind.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Light and variable wind.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ068-222000-
Loudon-
Including the cities of Lenoir City and Loudon
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 66-71 (-2) 88-93 (+2) 63-68 85-90
RH % (24h trend) 95-100 (0) 50-55 (-14) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NW 3 W 9 NW 3 NW 10
Mixing Hgt(ft-agl) 300 5470 350 7710
Vent Rate (mph-ft) 900 49230 1050 77100
Max Dispersion Early 2 Very Poor 26 Fair 3 Very Poor 36 Fair
Max Dispersion Late 1 Very Poor 45 Gen Good 2 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ071-222000-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 66-71 (-2) 86-91 (+1) 64-69 83-88
RH % (24h trend) 95-100 (+1) 51-56 (-12) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) W 3 W 8 W 3 NW 10
Mixing Hgt(ft-agl) 340 4870 350 7170
Vent Rate (mph-ft) 1020 38960 1050 71700
Max Dispersion Early 2 Very Poor 22 Fair 3 Very Poor 36 Fair
Max Dispersion Late 1 Very Poor 36 Fair 2 Very Poor 63 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 9
Max LVORI Late 10 3 9 2
Precip Chance (%) 0 0 30 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 10 PM
Precip End 12 AM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 47 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ086-222000-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Pcldy Mclear
Temp (24h trend) 66-71 (-1) 87-92 (+1) 63-68 85-90
RH % (24h trend) 95-100 (0) 49-54 (-13) 95-100 39-44
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) NE 2 NW 8 N 3 NW 10
Mixing Hgt(ft-agl) 330 5300 370 7390
Vent Rate (mph-ft) 660 42400 1110 73900
Max Dispersion Early 2 Very Poor 24 Fair 2 Very Poor 35 Fair
Max Dispersion Late 1 Very Poor 37 Fair 2 Very Poor 67 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 20 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.01 0.00
Precip Begin 10 PM
Precip End 11 PM
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
43 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ083-222000-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 65-70 (-2) 87-92 (+2) 61-66 84-89
RH % (24h trend) 95-100 (0) 50-55 (-15) 95-100 40-45
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 5 NW 9 N 6 NW 12
Mixing Hgt(ft-agl) 320 5280 350 7360
Vent Rate (mph-ft) 1600 47520 2100 88320
Max Dispersion Early 3 Very Poor 28 Fair 4 Very Poor 47 Gen Good
Max Dispersion Late 2 Very Poor 44 Gen Good 3 Very Poor 72 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 6 9
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. West winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
Southeast winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the upper 80s. Minimum RH 63 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ084-222000-
Meigs-
Including the city of Big Spring
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 67-72 (-1) 89-94 (+2) 63-68 86-91
RH % (24h trend) 95-100 (0) 47-52 (-15) 95-100 39-44
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 3 NW 8 NW 5 NW 10
Mixing Hgt(ft-agl) 280 5580 340 7760
Vent Rate (mph-ft) 840 44640 1700 77600
Max Dispersion Early 2 Very Poor 28 Fair 3 Very Poor 45 Gen Good
Max Dispersion Late 1 Very Poor 42 Gen Good 2 Very Poor 72 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
43 percent. Light and variable wind.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Light and variable wind.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 58 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Light and variable wind.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ085-222000-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 66-71 (-2) 88-93 (+1) 63-68 86-91
RH % (24h trend) 95-100 (0) 46-51 (-14) 95-100 38-43
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 3 NW 8 NW 5 NW 10
Mixing Hgt(ft-agl) 280 5600 360 7710
Vent Rate (mph-ft) 840 44800 1800 77100
Max Dispersion Early 2 Very Poor 27 Fair 3 Very Poor 38 Fair
Max Dispersion Late 1 Very Poor 43 Gen Good 2 Very Poor 69 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
41 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 46 percent.
Northwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the upper 80s. Minimum RH 58 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ099-222000-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 67-72 (-2) 89-94 (+2) 64-69 86-91
RH % (24h trend) 95-100 (+1) 44-49 (-15) 95-100 36-41
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 7
Transport Wnd (mph) N 3 NW 8 N 6 NW 10
Mixing Hgt(ft-agl) 340 5890 350 7980
Vent Rate (mph-ft) 1020 47120 2100 79800
Max Dispersion Early 3 Very Poor 30 Fair 3 Very Poor 47 Gen Good
Max Dispersion Late 1 Very Poor 43 Gen Good 3 Very Poor 72 Good
Category Day 1 3 1 4
Max LVORI Early 9 10 6 8
Max LVORI Late 10 2 8 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
42 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 58 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds less
than 10 mph.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ100-222000-
Bradley-
Including the cities of Cleveland and Tasso
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 67-72 (-2) 89-94 (+1) 64-69 86-91
RH % (24h trend) 95-100 (0) 44-49 (-13) 95-100 36-41
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 3 NW 9 N 5 NW 9
Mixing Hgt(ft-agl) 290 5860 350 7670
Vent Rate (mph-ft) 870 52740 1750 69030
Max Dispersion Early 2 Very Poor 29 Fair 3 Very Poor 42 Gen Good
Max Dispersion Late 1 Very Poor 47 Gen Good 2 Very Poor 63 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 9
Max LVORI Late 10 2 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
40 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 45 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light and variable
wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the upper 80s. Minimum RH 57 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ101-222000-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
258 PM EDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 66-71 (-1) 88-93 (+1) 63-68 85-90
RH % (24h trend) 95-100 (+1) 44-49 (-12) 95-100 36-41
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 3 NW 9 N 5 NW 9
Mixing Hgt(ft-agl) 380 5230 370 7110
Vent Rate (mph-ft) 1140 47070 1850 63990
Max Dispersion Early 2 Very Poor 27 Fair 2 Very Poor 40 Fair
Max Dispersion Late 1 Very Poor 41 Gen Good 2 Very Poor 59 Gen Good
Category Day 1 3 1 4
Max LVORI Early 10 10 6 9
Max LVORI Late 10 2 9 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds less than 10 mph.
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
39 percent. North winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Light and variable wind.
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 44 percent.
West winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Light and variable wind.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Light and
variable wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the upper 80s. Minimum RH 55 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ082-222000-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
158 PM CDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 63-68 (-3) 84-89 (+1) 60-65 81-86
RH % (24h trend) 95-100 (0) 50-55 (-16) 95-100 42-47
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var NW 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 6
Transport Wnd (mph) N 5 NW 10 N 6 NW 12
Mixing Hgt(ft-agl) 350 4700 360 6760
Vent Rate (mph-ft) 1750 47000 2160 81120
Max Dispersion Early 3 Very Poor 28 Fair 4 Very Poor 50 Gen Good
Max Dispersion Late 2 Very Poor 43 Gen Good 4 Very Poor 72 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 7 10
Max LVORI Late 10 3 10 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
46 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent. West
winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the mid 80s. Minimum RH 64 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ081-222000-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
158 PM CDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 63-68 (-3) 84-89 (+1) 61-66 82-87
RH % (24h trend) 95-100 (0) 49-54 (-15) 95-100 41-46
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 5 NW 9 N 6 NW 12
Mixing Hgt(ft-agl) 370 5090 360 7230
Vent Rate (mph-ft) 1850 45810 2160 86760
Max Dispersion Early 4 Very Poor 30 Fair 4 Very Poor 50 Gen Good
Max Dispersion Late 2 Very Poor 46 Gen Good 4 Very Poor 73 Good
Category Day 1 3 1 4
Max LVORI Early 10 10 6 9
Max LVORI Late 10 2 9 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows around 60. North winds less
than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
44 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. North winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light and variable wind.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 69 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the mid 60s. Light and variable wind.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the mid 80s. Minimum RH 65 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ098-222000-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
158 PM CDT Fri Aug 21 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Temp (24h trend) 64-69 (-4) 86-91 (+2) 63-68 83-88
RH % (24h trend) 95-100 (0) 44-49 (-16) 95-100 36-41
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var N 5
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var NW 5
Transport Wnd (mph) N 5 NW 10 N 6 NW 10
Mixing Hgt(ft-agl) 340 5320 360 7370
Vent Rate (mph-ft) 1700 53200 2160 73700
Max Dispersion Early 4 Very Poor 29 Fair 4 Very Poor 44 Gen Good
Max Dispersion Late 2 Very Poor 48 Gen Good 4 Very Poor 67 Good
Category Day 1 4 1 4
Max LVORI Early 8 10 6 7
Max LVORI Late 10 2 8 2
Precip Chance (%) 0 0 0 0
Precip Type None None None None
Precip Duration
Precip Amount 0.00 0.00 0.00 0.00
Precip Begin
Precip End
Chance of Thunder (%) 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
less than 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
41 percent. Northwest winds less than 10 mph.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Northeast winds less than 10 mph.
.TUESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 51 percent. South
winds less than 10 mph.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. South
winds less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.FRIDAY...Sunny with a chance of showers and thunderstorms. Highs
in the mid 80s. Minimum RH 61 percent. West winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$