Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
487
FNUS51 KLWX 171752
FWFLWX
Fire Weather Planning Forecast FOR W and CTL MD...E WV...N VA...DC
National Weather Service Baltimore MD/Washington DC
151 PM EDT Sun Aug 17 2025
.DISCUSSION...
A cold front will push into the area tonight, with showers and
thunderstorms possible ahead of it. The front will stall out just
to the south through Wednesday, leading to cloudy and cool
conditions with showers possible. The front will eventually
push farther south Thursday as high pressure returns from the
north through Saturday.
VAZ054-180800-
Arlington/Falls Church/Alexandria-
Including the cities of Arlington, Alexandria, and Falls Church
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 70 (-3) 79 (-15) 67 77
RH % (24h trend) 90 (-1) 74 (+30) 99 79
Wind 20ft/early(mph) NW 5 N 9 G19 NE 8 G17 NE 6
Wind 20ft/late(mph) Lgt/Var NE 9 G20 NE 5 E 7
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 2 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2980 3760
Transport Wnd (mph) NE 16 E 12
Vent Rate (kt-ft) 41720 37600
Max ADI Early 42 Gen Good 52 Gen Good 34 Fair 40 Fair
Max ADI Late 8 Poor 53 Gen Good 10 Poor 43 Gen Good
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the upper 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 70.
Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ055-180800-
Stafford-
Including the city of Falmouth
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 70 (0) 81 (-13) 66 78
RH % (24h trend) 96 (+3) 73 (+28) 100 82
Wind 20ft/early(mph) Lgt/Var N 8 G18 NE 6 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 Lgt/Var NE 5
Precip Amount 0.07 0.00 0.02 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2920 4080
Transport Wnd (mph) N 14 E 8
Vent Rate (kt-ft) 35040 28560
Max ADI Early 47 Gen Good 42 Gen Good 35 Fair 30 Fair
Max ADI Late 8 Poor 45 Gen Good 7 Poor 32 Fair
Max LVORI Early 6 6 7 7
Max LVORI Late 7 3 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ056-180800-
Spotsylvania-
Including the city of Fredericksburg
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 70 (+1) 82 (-11) 66 78
RH % (24h trend) 97 (0) 70 (+24) 100 82
Wind 20ft/early(mph) Lgt/Var N 7 G18 NE 5 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 8 Lgt/Var Lgt/Var
Precip Amount 0.10 0.00 0.01 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 3090 4180
Transport Wnd (mph) N 14 NE 8
Vent Rate (kt-ft) 37080 29260
Max ADI Early 44 Gen Good 43 Gen Good 39 Fair 25 Fair
Max ADI Late 8 Poor 46 Gen Good 5 Very Poor 30 Fair
Max LVORI Early 6 6 8 8
Max LVORI Late 7 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ057-180800-
King George-
Including the city of Dahlgren
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 71 (+1) 81 (-12) 68 78
RH % (24h trend) 97 (+2) 75 (+25) 100 79
Wind 20ft/early(mph) Lgt/Var N 7 NE 7 G17 NE 5
Wind 20ft/late(mph) Lgt/Var NE 9 G19 Lgt/Var NE 6
Precip Amount 0.08 0.00 0.03 0.01
Precip Duration 1 1 2 2
Precip Begin 7 PM 2 PM Continuing Continuing
Precip End 12 AM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2780 3980
Transport Wnd (mph) N 15 E 10
Vent Rate (kt-ft) 36140 35820
Max ADI Early 31 Fair 42 Gen Good 38 Fair 30 Fair
Max ADI Late 6 Very Poor 47 Gen Good 8 Poor 37 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 8 3 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
WVZ502-180800-
Eastern Grant-
Including the city of Petersburg
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 40
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 64 (-2) 82 (-8) 62 81
RH % (24h trend) 100 (+8) 64 (+16) 100 73
Wind 20ft/early(mph) NW 5 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3810 3370
Transport Wnd (mph) NE 6 SE 7
Vent Rate (kt-ft) 19050 20220
Max ADI Early 41 Gen Good 23 Fair 21 Fair 14 Gen Poor
Max ADI Late 5 Very Poor 23 Fair 3 Very Poor 23 Fair
Max LVORI Early 6 7 7 8
Max LVORI Late 7 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the lower 80s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. South winds 5 to
10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. West winds 5 to 10 mph.
$$
WVZ503-180800-
Western Mineral-
Including the city of Elk Garden
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 62 (-4) 78 (-8) 60 76
RH % (24h trend) 100 (+12) 65 (+12) 100 75
Wind 20ft/early(mph) NW 7 G17 Lgt/Var E 5 E 5
Wind 20ft/late(mph) Lgt/Var E 5 E 5 SE 5
Precip Amount 0.06 0.00 0.01 0.01
Precip Duration 1 0 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3460 2530
Transport Wnd (mph) NE 6 SE 8
Vent Rate (kt-ft) 17300 17710
Max ADI Early 42 Gen Good 15 Gen Poor 21 Fair 15 Gen Poor
Max ADI Late 6 Very Poor 20 Gen Poor 7 Poor 24 Fair
Max LVORI Early 6 9 6 9
Max LVORI Late 7 4 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. East winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the upper 50s. Highs around 80.
East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
$$
WVZ504-180800-
Eastern Mineral-
Including the cities of Antioch, Keyser, New Creek, Ridgeville,
Russelldale, Headsville, and Fort Ashby
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 65 (-2) 80 (-11) 62 77
RH % (24h trend) 97 (+4) 61 (+12) 100 73
Wind 20ft/early(mph) NW 6 Lgt/Var E 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var E 5
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3980 3090
Transport Wnd (mph) NE 6 SE 7
Vent Rate (kt-ft) 19900 18540
Max ADI Early 17 Gen Poor 23 Fair 17 Gen Poor 16 Gen Poor
Max ADI Late 5 Very Poor 23 Fair 4 Very Poor 21 Fair
Max LVORI Early 6 6 6 9
Max LVORI Late 7 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. South winds 5 to
10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. West winds 5 to 10 mph.
$$
WVZ505-180800-
Western Pendleton-
Including the city of Riverton
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 30 30 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-4) 79 (-4) 59 77
RH % (24h trend) 100 (+9) 66 (+12) 100 74
Wind 20ft/early(mph) NW 6 G17 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var SE 5
Precip Amount 0.04 0.00 0.01 0.01
Precip Duration 2 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3700 3120
Transport Wnd (mph) NE 7 S 8
Vent Rate (kt-ft) 22200 21840
Max ADI Early 51 Gen Good 18 Gen Poor 21 Fair 16 Gen Poor
Max ADI Late 6 Very Poor 23 Fair 4 Very Poor 24 Fair
Max LVORI Early 7 8 8 9
Max LVORI Late 9 4 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the mid 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 70s. Northeast winds
around 5 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the mid 70s. Southeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the mid 70s. Southwest winds 10 to
15 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the lower 70s. West winds 10 to 15 mph.
$$
WVZ501-180800-
Western Grant-
Including the cities of Bayard and Mount Storm
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 61 (-4) 78 (-5) 59 76
RH % (24h trend) 100 (+11) 68 (+11) 100 77
Wind 20ft/early(mph) NW 6 G18 Lgt/Var E 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var E 5 SE 5 Lgt/Var
Precip Amount 0.05 0.00 0.02 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3220 2850
Transport Wnd (mph) NE 6 S 9
Vent Rate (kt-ft) 16100 22800
Max ADI Early 47 Gen Good 13 Gen Poor 20 Gen Poor 14 Gen Poor
Max ADI Late 6 Very Poor 21 Fair 6 Very Poor 24 Fair
Max LVORI Early 7 9 7 9
Max LVORI Late 9 4 8 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. East winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Southeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds 5 to 10 mph.
$$
MDZ507-180800-
Northwest Harford-
Including the city of Jarrettsville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 66 (-4) 74 (-16) 62 76
RH % (24h trend) 99 (-1) 80 (+22) 98 72
Wind 20ft/early(mph) Lgt/Var NE 9 G20 NE 6 E 6
Wind 20ft/late(mph) N 5 G17 NE 8 G18 E 5 E 6
Precip Amount 0.11 0.00 0.00 0.00
Precip Duration 2 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2380 4020
Transport Wnd (mph) NE 13 E 12
Vent Rate (kt-ft) 26180 40200
Max ADI Early 15 Gen Poor 45 Gen Good 26 Fair 42 Gen Good
Max ADI Late 14 Gen Poor 42 Gen Good 9 Poor 43 Gen Good
Max LVORI Early 8 5 6 6
Max LVORI Late 8 4 7 3
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the lower 60s. Highs around
80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MDZ506-180800-
Central and Southeast Howard-
Including the cities of Columbia and Ellicott City
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 68 (-2) 76 (-17) 63 75
RH % (24h trend) 94 (-3) 79 (+30) 100 80
Wind 20ft/early(mph) Lgt/Var NE 9 G20 NE 7 E 6
Wind 20ft/late(mph) Lgt/Var NE 9 G17 NE 5 E 6
Precip Amount 0.11 0.00 0.00 0.00
Precip Duration 1 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2650 2930
Transport Wnd (mph) NE 17 E 12
Vent Rate (kt-ft) 39750 29300
Max ADI Early 32 Fair 47 Gen Good 32 Fair 39 Fair
Max ADI Late 9 Poor 43 Gen Good 10 Poor 39 Fair
Max LVORI Early 7 5 7 7
Max LVORI Late 7 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs around 80.
East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ508-180800-
Southeast Harford-
Including the city of Aberdeen
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 10
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 67 (-5) 76 (-14) 62 77
RH % (24h trend) 99 (0) 76 (+17) 99 68
Wind 20ft/early(mph) Lgt/Var NE 10 G21 NE 7 G18 E 7
Wind 20ft/late(mph) N 5 NE 9 G19 NE 6 E 7
Precip Amount 0.26 0.00 0.00 0.00
Precip Duration 2 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2680 3790
Transport Wnd (mph) NE 15 E 12
Vent Rate (kt-ft) 34840 37900
Max ADI Early 10 Poor 45 Gen Good 35 Fair 45 Gen Good
Max ADI Late 12 Poor 44 Gen Good 10 Poor 45 Gen Good
Max LVORI Early 8 5 6 6
Max LVORI Late 8 4 6 3
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ501-180800-
Extreme Western Allegany-
Including the city of Frostburg
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 63 (-5) 78 (-10) 61 76
RH % (24h trend) 98 (+10) 63 (+10) 100 75
Wind 20ft/early(mph) NW 8 G17 NE 5 E 6 SE 5
Wind 20ft/late(mph) N 5 E 5 E 5 SE 6
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3830 2470
Transport Wnd (mph) NE 6 SE 8
Vent Rate (kt-ft) 19150 17290
Max ADI Early 24 Fair 18 Gen Poor 22 Fair 15 Gen Poor
Max ADI Late 7 Poor 21 Fair 7 Poor 21 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 7 3 8 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows in the
lower 60s. Highs in the upper 70s. Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. East winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. South winds around
5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. West winds 5 to 10 mph.
$$
MDZ503-180800-
Northwest Montgomery-
Including the cities of Germantown and Damascus
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 67 (-3) 76 (-17) 64 76
RH % (24h trend) 95 (-1) 79 (+31) 100 82
Wind 20ft/early(mph) Lgt/Var N 9 G20 NE 6 E 5
Wind 20ft/late(mph) N 5 G18 NE 9 G17 NE 5 E 6
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 1 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2700 3290
Transport Wnd (mph) NE 13 E 10
Vent Rate (kt-ft) 29700 29610
Max ADI Early 24 Fair 46 Gen Good 30 Fair 37 Fair
Max ADI Late 15 Gen Poor 42 Gen Good 10 Poor 35 Fair
Max LVORI Early 6 5 7 6
Max LVORI Late 6 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ502-180800-
Central and Eastern Allegany-
Including the city of Cumberland
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 64 (-4) 79 (-12) 62 76
RH % (24h trend) 97 (+1) 62 (+14) 100 72
Wind 20ft/early(mph) NW 5 N 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4080 3120
Transport Wnd (mph) E 6 SE 8
Vent Rate (kt-ft) 20400 21840
Max ADI Early 29 Fair 27 Fair 29 Fair 21 Fair
Max ADI Late 8 Poor 28 Fair 4 Very Poor 25 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 6 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 60s. Highs around 80. Southeast winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. South winds around
5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. West winds around 5 mph.
$$
MDZ505-180800-
Northwest Howard-
Including the city of Lisbon
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 67 (-3) 74 (-18) 63 74
RH % (24h trend) 97 (-1) 83 (+32) 100 82
Wind 20ft/early(mph) Lgt/Var NE 9 G21 NE 6 E 6
Wind 20ft/late(mph) NW 5 G18 NE 9 G17 NE 5 E 6
Precip Amount 0.11 0.00 0.00 0.00
Precip Duration 1 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2420 2960
Transport Wnd (mph) NE 13 E 12
Vent Rate (kt-ft) 26620 29600
Max ADI Early 33 Fair 43 Gen Good 31 Fair 40 Fair
Max ADI Late 14 Gen Poor 38 Fair 11 Poor 39 Fair
Max LVORI Early 7 5 7 7
Max LVORI Late 7 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
upper 70s. East winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MDZ504-180800-
Central and Southeast Montgomery-
Including the cities of Bethesda, Rockville, Gaithersburg,
and Silver Spring
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 68 (-3) 77 (-16) 64 77
RH % (24h trend) 93 (0) 77 (+31) 100 82
Wind 20ft/early(mph) Lgt/Var N 9 G20 NE 7 E 6
Wind 20ft/late(mph) Lgt/Var NE 9 G17 NE 5 E 6
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1 1 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2810 3320
Transport Wnd (mph) NE 14 E 12
Vent Rate (kt-ft) 33720 33200
Max ADI Early 31 Fair 47 Gen Good 32 Fair 41 Gen Good
Max ADI Late 10 Poor 46 Gen Good 9 Poor 40 Fair
Max LVORI Early 6 5 6 6
Max LVORI Late 7 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ006-180800-
Northern Baltimore-
Including the cities of Reisterstown and Cockeysville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 66 (-4) 75 (-17) 62 76
RH % (24h trend) 96 (-4) 79 (+27) 99 75
Wind 20ft/early(mph) Lgt/Var NE 9 G20 NE 5 E 5
Wind 20ft/late(mph) N 5 G18 NE 8 G18 E 5 E 5
Precip Amount 0.08 0.00 0.00 0.00
Precip Duration 1 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2430 3800
Transport Wnd (mph) NE 13 E 10
Vent Rate (kt-ft) 26730 34200
Max ADI Early 22 Fair 43 Gen Good 30 Fair 42 Gen Good
Max ADI Late 15 Gen Poor 39 Fair 9 Poor 42 Gen Good
Max LVORI Early 7 5 6 6
Max LVORI Late 6 4 6 3
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the lower 60s. Highs around
80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MDZ005-180800-
Carroll-
Including the cities of Eldersburg and Westminster
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 66 (-4) 75 (-16) 62 76
RH % (24h trend) 96 (-3) 77 (+26) 99 77
Wind 20ft/early(mph) Lgt/Var NE 9 G21 E 5 Lgt/Var
Wind 20ft/late(mph) N 5 G18 NE 8 G17 Lgt/Var E 5
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2530 3840
Transport Wnd (mph) NE 13 SE 10
Vent Rate (kt-ft) 27830 34560
Max ADI Early 20 Gen Poor 43 Gen Good 28 Fair 39 Fair
Max ADI Late 16 Gen Poor 38 Fair 8 Poor 39 Fair
Max LVORI Early 7 4 6 6
Max LVORI Late 6 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the lower 60s. Highs around
80. East winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MDZ004-180800-
Frederick MD-
Including the cities of Frederick and Ballenger Creek
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 65 (-5) 77 (-15) 62 77
RH % (24h trend) 95 (-2) 75 (+26) 100 80
Wind 20ft/early(mph) Lgt/Var NE 9 G21 NE 5 Lgt/Var
Wind 20ft/late(mph) N 6 G19 NE 8 G18 Lgt/Var E 5
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2840 3640
Transport Wnd (mph) NE 12 E 10
Vent Rate (kt-ft) 28400 32760
Max ADI Early 27 Fair 44 Gen Good 27 Fair 34 Fair
Max ADI Late 15 Gen Poor 43 Gen Good 8 Poor 35 Fair
Max LVORI Early 6 5 6 7
Max LVORI Late 6 3 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ003-180800-
Washington-
Including the city of Hagerstown
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 65 (-4) 78 (-15) 62 77
RH % (24h trend) 94 (-4) 71 (+23) 99 77
Wind 20ft/early(mph) NW 6 N 8 G19 E 6 Lgt/Var
Wind 20ft/late(mph) N 7 G17 NE 7 Lgt/Var E 5
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3930 3810
Transport Wnd (mph) NE 9 SE 9
Vent Rate (kt-ft) 31440 30480
Max ADI Early 34 Fair 39 Fair 27 Fair 24 Fair
Max ADI Late 12 Poor 35 Fair 6 Very Poor 36 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds 10 to 15 mph.
$$
VAZ053-180800-
Fairfax-
Including the cities of Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, and Franconia
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 69 (-2) 79 (-15) 66 77
RH % (24h trend) 92 (-1) 75 (+30) 100 81
Wind 20ft/early(mph) Lgt/Var N 8 G19 NE 7 G17 NE 6
Wind 20ft/late(mph) Lgt/Var NE 9 G17 NE 5 E 7
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2970 3720
Transport Wnd (mph) NE 14 E 10
Vent Rate (kt-ft) 35640 33480
Max ADI Early 37 Fair 46 Gen Good 33 Fair 35 Fair
Max ADI Late 9 Poor 46 Gen Good 9 Poor 37 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 6 3 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ527-180800-
Central and Southeast Prince William/Manassas/Manassas Park-
Including the cities of Dale City, Manassas, Woodbridge,
Lake Ridge, and Montclair
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 69 (-1) 80 (-14) 65 77
RH % (24h trend) 95 (+1) 75 (+28) 100 81
Wind 20ft/early(mph) Lgt/Var N 9 G19 NE 6 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 Lgt/Var E 6
Precip Amount 0.11 0.00 0.01 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 3100 3720
Transport Wnd (mph) NE 14 E 9
Vent Rate (kt-ft) 37200 29760
Max ADI Early 36 Fair 43 Gen Good 32 Fair 31 Fair
Max ADI Late 9 Poor 45 Gen Good 8 Poor 32 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 6 3 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ051-180800-
Culpeper-
Including the city of Culpeper
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 68 (-1) 82 (-12) 65 77
RH % (24h trend) 98 (+1) 72 (+26) 100 84
Wind 20ft/early(mph) Lgt/Var N 8 G19 NE 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 G17 Lgt/Var Lgt/Var
Precip Amount 0.06 0.00 0.02 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3310 3170
Transport Wnd (mph) N 14 NE 7
Vent Rate (kt-ft) 39720 19020
Max ADI Early 26 Fair 47 Gen Good 38 Fair 24 Fair
Max ADI Late 9 Poor 51 Gen Good 6 Very Poor 25 Fair
Max LVORI Early 6 6 8 9
Max LVORI Late 7 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. North winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds around 5 mph.
$$
VAZ050-180800-
Orange-
Including the cities of Orange and Gordonsville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 69 (0) 82 (-12) 65 78
RH % (24h trend) 98 (0) 70 (+24) 100 83
Wind 20ft/early(mph) Lgt/Var N 8 G19 NE 5 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 G17 Lgt/Var Lgt/Var
Precip Amount 0.08 0.00 0.02 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3530 3560
Transport Wnd (mph) N 14 NE 7
Vent Rate (kt-ft) 42360 21360
Max ADI Early 40 Fair 48 Gen Good 42 Gen Good 25 Fair
Max ADI Late 9 Poor 51 Gen Good 6 Very Poor 25 Fair
Max LVORI Early 6 6 8 9
Max LVORI Late 7 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds around 5 mph.
$$
VAZ036-180800-
Nelson-
Including the city of Lovingston
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 20 30 40 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 70 (+1) 86 (-6) 66 80
RH % (24h trend) 98 (0) 64 (+17) 100 76
Wind 20ft/early(mph) Lgt/Var N 5 NE 6 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 8 Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.03 0.03
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4370 4020
Transport Wnd (mph) NE 12 NE 6
Vent Rate (kt-ft) 43700 20100
Max ADI Early 31 Fair 39 Fair 48 Gen Good 22 Fair
Max ADI Late 5 Very Poor 47 Gen Good 9 Poor 21 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 6 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the
upper 60s. Highs in the lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
VAZ037-180800-
Albemarle-
Including the city of Charlottesville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 40 30
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 70 (0) 86 (-8) 66 80
RH % (24h trend) 96 (-1) 68 (+22) 100 84
Wind 20ft/early(mph) Lgt/Var N 6 G18 NE 7 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 G17 Lgt/Var NE 5
Precip Amount 0.03 0.00 0.03 0.02
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4040 3930
Transport Wnd (mph) NE 13 NE 6
Vent Rate (kt-ft) 44440 19650
Max ADI Early 34 Fair 42 Gen Good 47 Gen Good 21 Fair
Max ADI Late 5 Very Poor 47 Gen Good 9 Poor 21 Fair
Max LVORI Early 6 6 6 7
Max LVORI Late 6 3 7 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the
upper 60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
VAZ038-180800-
Greene-
Including the city of Stanardsville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 30 40 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 69 (0) 84 (-8) 65 78
RH % (24h trend) 97 (+1) 69 (+22) 100 85
Wind 20ft/early(mph) Lgt/Var NE 6 G17 NE 6 G18 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 8 G17 Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.05 0.04
Precip Duration 0 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4150 3370
Transport Wnd (mph) NE 12 E 6
Vent Rate (kt-ft) 41500 16850
Max ADI Early 18 Gen Poor 40 Fair 44 Gen Good 21 Fair
Max ADI Late 5 Very Poor 46 Gen Good 7 Poor 20 Gen Poor
Max LVORI Early 5 6 6 8
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the
upper 60s. Highs in the lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
VAZ039-180800-
Madison-
Including the city of Madison
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 40 30
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 68 (-1) 83 (-10) 64 77
RH % (24h trend) 97 (+1) 69 (+22) 100 83
Wind 20ft/early(mph) Lgt/Var N 8 G19 NE 5 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 G17 Lgt/Var Lgt/Var
Precip Amount 0.05 0.00 0.05 0.03
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3790 3160
Transport Wnd (mph) N 14 NE 6
Vent Rate (kt-ft) 45480 15800
Max ADI Early 21 Fair 45 Gen Good 40 Fair 22 Fair
Max ADI Late 7 Poor 49 Gen Good 6 Very Poor 21 Fair
Max LVORI Early 6 6 8 8
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
MDZ014-180800-
Anne Arundel-
Including the cities of Glen Burnie, Annapolis, Severn,
South Gate, Severna Park, Arnold, and Odenton
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 30 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 69 (-3) 78 (-14) 64 77
RH % (24h trend) 96 (+3) 76 (+21) 99 76
Wind 20ft/early(mph) S 5 NE 9 G21 NE 9 G19 NE 8 G17
Wind 20ft/late(mph) Lgt/Var NE 10 G20 NE 7 G17 E 8
Precip Amount 0.17 0.00 0.01 0.00
Precip Duration 2 1 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2640 2990
Transport Wnd (mph) NE 18 E 13
Vent Rate (kt-ft) 42240 32890
Max ADI Early 20 Gen Poor 45 Gen Good 37 Fair 39 Fair
Max ADI Late 8 Poor 45 Gen Good 11 Poor 42 Gen Good
Max LVORI Early 6 5 5 6
Max LVORI Late 7 4 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. South winds 10 to 15 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. South winds 10 to 15 mph.
$$
MDZ017-180800-
St. Marys-
Including the cities of Lexington Park and California
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 70 (-1) 81 (-9) 67 78
RH % (24h trend) 99 (+6) 75 (+19) 100 77
Wind 20ft/early(mph) S 6 N 6 G17 NE 10 G21 NE 8 G17
Wind 20ft/late(mph) Lgt/Var NE 11 G21 NE 7 G19 E 9
Precip Amount 0.15 0.00 0.01 0.00
Precip Duration 2 1 2 2
Precip Begin 7 PM 2 PM Continuing Continuing
Precip End 1 AM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2540 3790
Transport Wnd (mph) NE 17 E 13
Vent Rate (kt-ft) 38100 41690
Max ADI Early 19 Gen Poor 40 Fair 40 Fair 39 Fair
Max ADI Late 6 Very Poor 45 Gen Good 17 Gen Poor 43 Gen Good
Max LVORI Early 5 6 5 5
Max LVORI Late 7 4 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. North winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 60s. Highs in the lower
80s. Northeast winds 10 to 15 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. South winds 10 to 15 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. South winds 10 to 15 mph.
$$
MDZ016-180800-
Charles-
Including the cities of St. Charles and Waldorf
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 69 (-1) 80 (-13) 66 78
RH % (24h trend) 98 (+4) 75 (+25) 100 79
Wind 20ft/early(mph) Lgt/Var N 7 G17 NE 8 G18 NE 6
Wind 20ft/late(mph) Lgt/Var NE 9 G19 NE 5 E 7
Precip Amount 0.13 0.00 0.02 0.00
Precip Duration 2 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 12 AM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2710 3900
Transport Wnd (mph) NE 16 E 12
Vent Rate (kt-ft) 37940 39000
Max ADI Early 31 Fair 43 Gen Good 35 Fair 32 Fair
Max ADI Late 7 Poor 47 Gen Good 10 Poor 40 Fair
Max LVORI Early 6 6 6 7
Max LVORI Late 7 3 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
MDZ018-180800-
Calvert-
Including the cities of Chesapeake Beach, Huntingtown, Dunkirk,
North Beach, Lusby, and Prince Frederick
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 69 (-2) 81 (-11) 66 79
RH % (24h trend) 97 (+2) 79 (+23) 100 78
Wind 20ft/early(mph) S 5 N 8 G19 NE 9 G20 NE 8
Wind 20ft/late(mph) Lgt/Var NE 11 G20 NE 7 E 9
Precip Amount 0.20 0.00 0.01 0.00
Precip Duration 2 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 12 AM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2480 3510
Transport Wnd (mph) NE 18 E 13
Vent Rate (kt-ft) 39680 38610
Max ADI Early 20 Gen Poor 43 Gen Good 38 Fair 42 Gen Good
Max ADI Late 6 Very Poor 41 Gen Good 20 Gen Poor 45 Gen Good
Max LVORI Early 6 6 5 6
Max LVORI Late 7 4 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 60s. Highs in the lower
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. South winds 10 to 15 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. South winds 10 to 15 mph.
$$
MDZ011-180800-
Southern Baltimore-
Including the city of Baltimore
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 68 (-4) 78 (-14) 64 78
RH % (24h trend) 95 (-2) 75 (+22) 98 71
Wind 20ft/early(mph) Lgt/Var NE 10 G21 NE 7 G18 E 7
Wind 20ft/late(mph) Lgt/Var NE 9 G19 NE 5 E 8
Precip Amount 0.10 0.00 0.00 0.00
Precip Duration 2 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2810 3400
Transport Wnd (mph) NE 17 E 12
Vent Rate (kt-ft) 42150 34000
Max ADI Early 23 Fair 50 Gen Good 33 Fair 41 Gen Good
Max ADI Late 11 Poor 47 Gen Good 10 Poor 43 Gen Good
Max LVORI Early 6 5 6 6
Max LVORI Late 6 3 6 3
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the mid
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. South winds 10 to 15 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 10 to 15 mph.
$$
MDZ013-180800-
Prince Georges-
Including the cities of Bowie, Suitland-Silver Hill, Clinton,
College Park, Greenbelt, Laurel, and Camp Springs
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 20 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 69 (-2) 79 (-14) 65 77
RH % (24h trend) 96 (+3) 76 (+27) 100 79
Wind 20ft/early(mph) Lgt/Var N 8 G19 NE 8 G17 NE 7
Wind 20ft/late(mph) Lgt/Var NE 9 G18 NE 5 E 8
Precip Amount 0.11 0.00 0.00 0.00
Precip Duration 2 1 1 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2670 3430
Transport Wnd (mph) NE 16 E 13
Vent Rate (kt-ft) 37380 37730
Max ADI Early 28 Fair 49 Gen Good 33 Fair 37 Fair
Max ADI Late 8 Poor 47 Gen Good 10 Poor 41 Gen Good
Max LVORI Early 6 5 6 7
Max LVORI Late 7 4 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ040-180800-
Rappahannock-
Including the city of Washington
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 67 (-1) 80 (-13) 63 76
RH % (24h trend) 97 (+2) 73 (+25) 100 86
Wind 20ft/early(mph) Lgt/Var N 7 G19 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 8 Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.04 0.05
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3740 2890
Transport Wnd (mph) N 12 E 6
Vent Rate (kt-ft) 37400 14450
Max ADI Early 24 Fair 43 Gen Good 34 Fair 18 Gen Poor
Max ADI Late 9 Poor 45 Gen Good 4 Very Poor 19 Gen Poor
Max LVORI Early 6 6 8 8
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. North winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
DCZ001-180800-
District of Columbia-
Including the city of Washington
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 70 (-3) 79 (-16) 66 77
RH % (24h trend) 90 (0) 74 (+31) 98 79
Wind 20ft/early(mph) Lgt/Var N 9 G18 NE 7 G17 NE 6
Wind 20ft/late(mph) Lgt/Var NE 9 G17 NE 5 E 7
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 2 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2900 3650
Transport Wnd (mph) NE 16 E 13
Vent Rate (kt-ft) 40600 40150
Max ADI Early 36 Fair 53 Gen Good 34 Fair 41 Gen Good
Max ADI Late 8 Poor 52 Gen Good 10 Poor 44 Gen Good
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the upper 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 60s. Highs in the
mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 70.
Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ504-180800-
Eastern Highland-
Including the city of Monterey
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 20 30 30 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 63 (0) 83 (-3) 62 78
RH % (24h trend) 100 (+2) 65 (+16) 100 79
Wind 20ft/early(mph) NW 5 N 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.01
Precip Duration 0 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4160 3300
Transport Wnd (mph) NE 7 S 6
Vent Rate (kt-ft) 24960 16500
Max ADI Early 53 Gen Good 25 Fair 26 Fair 13 Gen Poor
Max ADI Late 6 Very Poor 26 Fair 4 Very Poor 21 Fair
Max LVORI Early 6 9 8 9
Max LVORI Late 8 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. Northeast winds
around 5 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows around 60.
Highs in the upper 70s. South winds around 5 mph.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds 5 to 10 mph.
$$
VAZ027-180800-
Shenandoah-
Including the cities of Strasburg, Woodstock, Mount Jackson,
and New Market
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 40 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 66 (-2) 80 (-10) 62 77
RH % (24h trend) 99 (+5) 67 (+20) 100 80
Wind 20ft/early(mph) NW 5 N 6 NE 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4480 3450
Transport Wnd (mph) NE 9 SE 6
Vent Rate (kt-ft) 35840 17250
Max ADI Early 41 Gen Good 33 Fair 32 Fair 15 Gen Poor
Max ADI Late 8 Poor 35 Fair 4 Very Poor 20 Gen Poor
Max LVORI Early 6 7 8 9
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 10 to 15 mph.
$$
VAZ505-180800-
Western Loudoun-
Including the city of Purcellville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 67 (-2) 78 (-15) 64 77
RH % (24h trend) 97 (0) 75 (+28) 100 82
Wind 20ft/early(mph) NW 6 N 9 G19 NE 7 NE 5
Wind 20ft/late(mph) N 6 G17 NE 9 NE 5 E 6
Precip Amount 0.06 0.00 0.01 0.01
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2990 3440
Transport Wnd (mph) NE 13 E 9
Vent Rate (kt-ft) 32890 27520
Max ADI Early 35 Fair 40 Fair 29 Fair 26 Fair
Max ADI Late 12 Poor 40 Fair 8 Poor 31 Fair
Max LVORI Early 5 5 7 7
Max LVORI Late 6 3 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds 10 to 15 mph.
$$
VAZ028-180800-
Frederick VA-
Including the city of Winchester
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 65 (-3) 77 (-14) 62 74
RH % (24h trend) 96 (+2) 73 (+25) 100 84
Wind 20ft/early(mph) NW 6 N 7 G17 E 6 Lgt/Var
Wind 20ft/late(mph) N 5 NE 7 Lgt/Var E 5
Precip Amount 0.02 0.00 0.01 0.02
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4100 3330
Transport Wnd (mph) NE 9 SE 8
Vent Rate (kt-ft) 32800 23310
Max ADI Early 53 Gen Good 33 Fair 32 Fair 18 Gen Poor
Max ADI Late 9 Poor 36 Fair 5 Very Poor 28 Fair
Max LVORI Early 5 6 8 8
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. South winds 5 to
10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 10 to 15 mph.
$$
VAZ025-180800-
Augusta-
Including the cities of Staunton, Waynesboro, and Stuarts Draft
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 20 30 40 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 65 (-1) 84 (-4) 62 78
RH % (24h trend) 98 (+1) 65 (+17) 100 78
Wind 20ft/early(mph) Lgt/Var N 5 E 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.02 0.01
Precip Duration 0 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4240 3630
Transport Wnd (mph) NE 9 SE 6
Vent Rate (kt-ft) 33920 18150
Max ADI Early 31 Fair 34 Fair 36 Fair 15 Gen Poor
Max ADI Late 5 Very Poor 38 Fair 5 Very Poor 20 Gen Poor
Max LVORI Early 5 6 6 8
Max LVORI Late 6 3 8 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the upper 70s. East
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Southeast winds 5 to 10 mph.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
$$
VAZ502-180800-
Southern Fauquier-
Including the city of Turnbull
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 68 (-1) 81 (-13) 65 77
RH % (24h trend) 97 (+1) 75 (+30) 100 84
Wind 20ft/early(mph) Lgt/Var N 9 G20 NE 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 9 G17 Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.02 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing 6 PM
Mixing Hgt(ft-agl/msl) 2950 3330
Transport Wnd (mph) NE 13 E 7
Vent Rate (kt-ft) 32450 19980
Max ADI Early 36 Fair 44 Gen Good 33 Fair 24 Fair
Max ADI Late 9 Poor 48 Gen Good 5 Very Poor 26 Fair
Max LVORI Early 6 6 8 9
Max LVORI Late 6 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ026-180800-
Rockingham-
Including the city of Harrisonburg
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 30 40 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 65 (-1) 82 (-7) 62 78
RH % (24h trend) 100 (+4) 67 (+19) 100 80
Wind 20ft/early(mph) NW 5 N 6 NE 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 7 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.01 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 11 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4400 3630
Transport Wnd (mph) NE 9 SE 6
Vent Rate (kt-ft) 35200 18150
Max ADI Early 35 Fair 34 Fair 31 Fair 14 Gen Poor
Max ADI Late 6 Very Poor 34 Fair 4 Very Poor 21 Fair
Max LVORI Early 6 7 8 9
Max LVORI Late 7 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Southeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Southwest winds 10 to 15 mph.
$$
VAZ503-180800-
Western Highland-
Including the city of Hightown
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 20 30 30 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 60 (-2) 80 (-2) 59 75
RH % (24h trend) 100 (+4) 66 (+11) 100 79
Wind 20ft/early(mph) NW 6 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.01
Precip Duration 0 1 2 2
Precip Begin 6 PM 11 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4230 3010
Transport Wnd (mph) NE 6 S 7
Vent Rate (kt-ft) 21150 18060
Max ADI Early 53 Gen Good 20 Gen Poor 23 Fair 14 Gen Poor
Max ADI Late 8 Poor 23 Fair 4 Very Poor 23 Fair
Max LVORI Early 6 8 8 9
Max LVORI Late 9 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the mid 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 70s. Northeast winds
around 5 mph.
.FRIDAY...Mostly cloudy. A chance of showers. Lows in the upper
50s. Highs in the mid 70s. South winds around 5 mph.
.SATURDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the mid 70s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the lower 70s. West winds 10 to 15 mph.
$$
VAZ508-180800-
Central Virginia Blue Ridge-
Including the city of Wintergreen
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 20 30 40 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 65 (-3) 82 (-4) 62 75
RH % (24h trend) 95 (0) 62 (+14) 100 73
Wind 20ft/early(mph) NW 6 N 7 G18 E 8 G17 NE 5
Wind 20ft/late(mph) N 6 NE 7 NE 6 Lgt/Var
Precip Amount 0.02 0.00 0.05 0.04
Precip Duration 0 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3460 2760
Transport Wnd (mph) N 10 SE 6
Vent Rate (kt-ft) 31140 13800
Max ADI Early 33 Fair 28 Fair 30 Fair 11 Poor
Max ADI Late 7 Poor 33 Fair 7 Poor 15 Gen Poor
Max LVORI Early 4 6 6 7
Max LVORI Late 5 3 6 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 70s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. Southeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 70s. Southwest winds 10 to 15 mph.
$$
VAZ506-180800-
Eastern Loudoun-
Including the cities of Leesburg, Ashburn, and Sterling
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 68 (-2) 77 (-17) 65 77
RH % (24h trend) 96 (+2) 77 (+30) 100 84
Wind 20ft/early(mph) NW 5 N 9 G19 NE 7 NE 5
Wind 20ft/late(mph) NW 5 NE 9 Lgt/Var E 6
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2920 3610
Transport Wnd (mph) NE 13 E 10
Vent Rate (kt-ft) 32120 32490
Max ADI Early 28 Fair 45 Gen Good 28 Fair 29 Fair
Max ADI Late 13 Gen Poor 45 Gen Good 8 Poor 34 Fair
Max LVORI Early 6 5 6 7
Max LVORI Late 6 4 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the mid
80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
VAZ507-180800-
Northern Virginia Blue Ridge-
Including the city of Big Meadows
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 40 40
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 63 (-5) 77 (-9) 60 73
RH % (24h trend) 100 (+7) 73 (+23) 100 87
Wind 20ft/early(mph) NW 6 N 8 G20 E 7 G18 Lgt/Var
Wind 20ft/late(mph) N 8 G17 NE 6 NE 5 Lgt/Var
Precip Amount 0.04 0.00 0.08 0.08
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3140 2430
Transport Wnd (mph) NE 9 SE 6
Vent Rate (kt-ft) 25120 12150
Max ADI Early 32 Fair 23 Fair 21 Fair 10 Poor
Max ADI Late 9 Poor 28 Fair 6 Very Poor 14 Gen Poor
Max LVORI Early 5 6 8 9
Max LVORI Late 6 4 9 6
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the
lower 60s. Highs in the mid 70s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
$$
VAZ501-180800-
Northern Fauquier-
Including the city of Warrenton
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 66 (-2) 78 (-15) 63 76
RH % (24h trend) 98 (0) 74 (+27) 100 86
Wind 20ft/early(mph) Lgt/Var N 9 G20 NE 6 Lgt/Var
Wind 20ft/late(mph) NW 5 NE 9 Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.02 0.02
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3330 3170
Transport Wnd (mph) NE 12 E 7
Vent Rate (kt-ft) 33300 19020
Max ADI Early 32 Fair 40 Fair 31 Fair 23 Fair
Max ADI Late 9 Poor 42 Gen Good 6 Very Poor 25 Fair
Max LVORI Early 6 5 7 8
Max LVORI Late 6 3 8 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
VAZ029-180800-
Page-
Including the cities of Luray, Shenandoah, and Stanley
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 64 (-4) 82 (-10) 62 78
RH % (24h trend) 100 (+6) 69 (+23) 100 82
Wind 20ft/early(mph) Lgt/Var N 6 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4140 3310
Transport Wnd (mph) N 9 SE 5
Vent Rate (kt-ft) 33120 13240
Max ADI Early 35 Fair 33 Fair 32 Fair 15 Gen Poor
Max ADI Late 7 Poor 35 Fair 4 Very Poor 20 Gen Poor
Max LVORI Early 6 7 8 9
Max LVORI Late 7 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
WVZ506-180800-
Eastern Pendleton-
Including the cities of Brandywine, Franklin, Oak Flat, Ruddle,
and Sugar Grove
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 30 30 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 62 (-2) 81 (-6) 62 78
RH % (24h trend) 100 (+6) 67 (+18) 100 78
Wind 20ft/early(mph) NW 6 N 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 11 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3800 3480
Transport Wnd (mph) NE 7 S 7
Vent Rate (kt-ft) 22800 20880
Max ADI Early 51 Gen Good 19 Gen Poor 23 Fair 14 Gen Poor
Max ADI Late 5 Very Poor 23 Fair 3 Very Poor 23 Fair
Max LVORI Early 6 9 8 9
Max LVORI Late 9 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. South winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 10 to 15 mph.
$$
VAZ031-180800-
Clarke-
Including the city of Berryville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 66 (-3) 77 (-15) 63 75
RH % (24h trend) 97 (+4) 74 (+26) 100 84
Wind 20ft/early(mph) NW 5 N 8 G18 E 6 Lgt/Var
Wind 20ft/late(mph) NW 5 NE 8 Lgt/Var E 5
Precip Amount 0.06 0.00 0.00 0.01
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3830 3330
Transport Wnd (mph) NE 10 E 8
Vent Rate (kt-ft) 34470 23310
Max ADI Early 43 Gen Good 39 Fair 32 Fair 20 Gen Poor
Max ADI Late 12 Poor 38 Fair 5 Very Poor 25 Fair
Max LVORI Early 5 5 7 9
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
WVZ053-180800-
Jefferson-
Including the cities of Charles Town and Shepherdstown
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 66 (-3) 77 (-16) 63 77
RH % (24h trend) 96 (-2) 74 (+28) 100 80
Wind 20ft/early(mph) NW 6 N 9 G18 E 6 E 5
Wind 20ft/late(mph) N 6 G17 NE 8 Lgt/Var E 6
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3530 3510
Transport Wnd (mph) NE 10 E 9
Vent Rate (kt-ft) 31770 28080
Max ADI Early 41 Gen Good 38 Fair 31 Fair 23 Fair
Max ADI Late 12 Poor 35 Fair 7 Poor 32 Fair
Max LVORI Early 6 5 7 8
Max LVORI Late 6 3 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid
80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds 10 to 15 mph.
$$
VAZ030-180800-
Warren-
Including the city of Front Royal
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 65 (-4) 79 (-13) 62 76
RH % (24h trend) 97 (+6) 70 (+23) 100 81
Wind 20ft/early(mph) NW 5 N 7 G18 E 5 G17 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.01 0.03
Precip Duration 1 1 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4130 3340
Transport Wnd (mph) NE 9 SE 6
Vent Rate (kt-ft) 33040 16700
Max ADI Early 39 Fair 38 Fair 31 Fair 18 Gen Poor
Max ADI Late 8 Poor 36 Fair 5 Very Poor 22 Fair
Max LVORI Early 6 6 7 9
Max LVORI Late 6 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 10 to 15 mph.
$$
WVZ052-180800-
Berkeley-
Including the city of Martinsburg
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 66 (-2) 77 (-15) 63 77
RH % (24h trend) 95 (-3) 73 (+26) 100 80
Wind 20ft/early(mph) NW 6 N 8 G18 E 5 Lgt/Var
Wind 20ft/late(mph) N 6 G17 NE 7 Lgt/Var E 5
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3780 3600
Transport Wnd (mph) NE 9 SE 9
Vent Rate (kt-ft) 30240 28800
Max ADI Early 47 Gen Good 38 Fair 30 Fair 21 Fair
Max ADI Late 13 Gen Poor 36 Fair 6 Very Poor 31 Fair
Max LVORI Early 5 5 7 7
Max LVORI Late 5 3 7 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs around 80. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Northeast winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the mid 80s. South winds 5 to
10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 80s. Southwest winds 5 to 10 mph.
$$
WVZ051-180800-
Morgan-
Including the city of Paw Paw
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 30 20 40 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 64 (-4) 76 (-15) 62 74
RH % (24h trend) 97 (0) 71 (+22) 100 81
Wind 20ft/early(mph) NW 5 N 6 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) N 5 NE 5 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4060 3520
Transport Wnd (mph) E 8 SE 8
Vent Rate (kt-ft) 28420 24640
Max ADI Early 54 Gen Good 30 Fair 31 Fair 18 Gen Poor
Max ADI Late 9 Poor 31 Fair 4 Very Poor 29 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 6 3 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy with a chance of showers. Lows in the
mid 60s. Highs in the upper 70s. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. South winds around
5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
WVZ050-180800-
Hampshire-
Including the city of Romney
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 20 30 30
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 64 (-4) 77 (-13) 62 76
RH % (24h trend) 98 (+5) 67 (+18) 100 78
Wind 20ft/early(mph) NW 6 N 5 E 6 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var SE 5
Precip Amount 0.04 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 4030 3170
Transport Wnd (mph) NE 7 SE 8
Vent Rate (kt-ft) 24180 22190
Max ADI Early 50 Gen Good 24 Fair 29 Fair 16 Gen Poor
Max ADI Late 7 Poor 26 Fair 5 Very Poor 26 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 6 3 9 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
$$
WVZ055-180800-
Hardy-
Including the city of Moorefield
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 40 40
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 64 (-3) 80 (-8) 61 77
RH % (24h trend) 99 (+8) 67 (+18) 100 78
Wind 20ft/early(mph) NW 6 N 5 E 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NE 5 Lgt/Var SE 5
Precip Amount 0.03 0.00 0.00 0.01
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3990 3260
Transport Wnd (mph) NE 6 SE 7
Vent Rate (kt-ft) 19950 19560
Max ADI Early 53 Gen Good 21 Fair 25 Fair 13 Gen Poor
Max ADI Late 6 Very Poor 25 Fair 4 Very Poor 22 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 6 3 8 5
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs around 80.
East winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
$$
MDZ509-180800-
Western Garrett-
Including the cities of Mountain Lake Park and Oakland
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 60 20 20 30
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 62 (-3) 77 (-5) 60 78
RH % (24h trend) 100 (+4) 68 (+5) 100 74
Wind 20ft/early(mph) NW 5 Lgt/Var E 5 SE 5
Wind 20ft/late(mph) Lgt/Var E 5 SE 5 SE 5
Precip Amount 0.15 0.00 0.00 0.00
Precip Duration 1 1 1 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3480 3150
Transport Wnd (mph) E 7 S 10
Vent Rate (kt-ft) 20880 28350
Max ADI Early 27 Fair 17 Gen Poor 25 Fair 26 Fair
Max ADI Late 5 Very Poor 26 Fair 11 Poor 31 Fair
Max LVORI Early 8 9 6 8
Max LVORI Late 9 4 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. East winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 80.
Southeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. Southwest winds around
5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds 5 to 10 mph.
$$
MDZ510-180800-
Eastern Garrett-
Including the city of Grantsville
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 30
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 62 (-4) 76 (-7) 60 75
RH % (24h trend) 100 (+8) 66 (+6) 100 77
Wind 20ft/early(mph) NW 7 G17 Lgt/Var E 5 SE 5
Wind 20ft/late(mph) Lgt/Var E 5 SE 5 SE 6
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 1 0 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 3550 2390
Transport Wnd (mph) E 6 SE 10
Vent Rate (kt-ft) 17750 21510
Max ADI Early 31 Fair 16 Gen Poor 23 Fair 19 Gen Poor
Max ADI Late 6 Very Poor 22 Fair 9 Poor 26 Fair
Max LVORI Early 7 9 6 8
Max LVORI Late 9 4 8 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. East winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Southeast winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. South winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds 5 to 10 mph.
$$
MDZ008-VAZ526-180800-
Cecil-Northwest Prince William-
Including the cities of Elkton and Haymarket
151 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 30 10
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 66 (-4) 77 (-13) 62 77
RH % (24h trend) 99 (0) 78 (+20) 98 66
Wind 20ft/early(mph) Lgt/Var NE 10 G23 NE 7 G17 E 6
Wind 20ft/late(mph) Lgt/Var NE 10 G20 NE 5 G17 E 6
Precip Amount 0.30 0.00 0.00 0.00
Precip Duration 2 0 2 1
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(ft-agl/msl) 2770 3780
Transport Wnd (mph) NE 15 E 12
Vent Rate (kt-ft) 36010 37800
Max ADI Early 20 Gen Poor 42 Gen Good 34 Fair 46 Gen Good
Max ADI Late 12 Poor 42 Gen Good 9 Poor 47 Gen Good
Max LVORI Early 7 5 6 5
Max LVORI Late 7 4 6 3
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly cloudy. Lows in the lower 60s. Highs in the
lower 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Northeast winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. North winds 5 to 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. South winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 80s. Southwest winds 10 to 15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures near normal. Precipitation above normal.
$$