Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Cleveland, OH
Issued by NWS Cleveland, OH
770
FNUS51 KCLE 200510
FWFCLE
Fire Weather Planning Forecast for Northern OH and Northwest PA
National Weather Service Cleveland OH
110 AM EDT Wed Aug 20 2025
.DISCUSSION...
Low pressure will continue to move east across Lake Erie this
morning before departing to the east this afternoon. High pressure
will build south late tonight into Thursday and remain over the area
through Friday. Low pressure over northern Ontario will move a cold
front east on Saturday. This cold front will bring the next
potential for widespread showers across the area.
OHZ003-202015-
Lucas-
Including the city of Toledo
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-6) 62 (-2) 78
RH % (24h trend) 68 (-6) 97 (+1) 57
20ft Wnd-Val/AM(mph) N 7 NE 7 G17
20ft Wnd-Rdg/PM(mph) N 9 NE 7 G17 NE 8 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1070 1390
Mixing Hgt(ft-agl/msl) 3500 4550
Transport Wnd (kts) N 14 NE 13
Transport Wnd (m/s) N 7 NE 7
Transport Wnd (mph) N 16 NE 15
Vent Rate (kt-ft) 49000 59150
Vent Rate (m/s-m) 7490 9730
Vent Rate (mph-ft) 56000 68250
Dispersion 3 4
Sunshine Hours 5 9
RH Recovery Excellent
ADI early 30 Fair 45 Gen Good 70 Good
ADI late 41 Gen Good 9 Poor 74 Good
Max LVORI early 5 5 6
Max LVORI late 4 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. North winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ006-202015-
Wood-
Including the cities of Bowling Green and Perrysburg
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 63 (-2) 77
RH % (24h trend) 71 (-1) 96 (-1) 63
20ft Wnd-Val/AM(mph) N 7 NE 8 G17
20ft Wnd-Rdg/PM(mph) N 9 NE 8 NE 10 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1020 1260
Mixing Hgt(ft-agl/msl) 3360 4150
Transport Wnd (kts) N 14 NE 15
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 17
Vent Rate (kt-ft) 47040 62250
Vent Rate (m/s-m) 7140 10080
Vent Rate (mph-ft) 53760 70550
Dispersion 3 4
Sunshine Hours 4 8
RH Recovery Excellent
ADI early 30 Fair 38 Fair 45 Gen Good
ADI late 41 Gen Good 12 Poor 47 Gen Good
Max LVORI early 6 5 6
Max LVORI late 4 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Northwest winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ007-202015-
Ottawa-
Including the cities of Port Clinton, Oak Harbor, and Genoa
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-7) 65 (-1) 76
RH % (24h trend) 72 (-1) 93 (-3) 69
20ft Wnd-Val/AM(mph) N 9 NE 10 G20
20ft Wnd-Rdg/PM(mph) N 11 NE 10 G19 NE 11 G21
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1000 1050
Mixing Hgt(ft-agl/msl) 3290 3440
Transport Wnd (kts) N 16 NE 16
Transport Wnd (m/s) N 8 NE 8
Transport Wnd (mph) N 18 NE 18
Vent Rate (kt-ft) 52640 55040
Vent Rate (m/s-m) 8000 8400
Vent Rate (mph-ft) 59220 61920
Dispersion 4 4
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 28 Fair 42 Gen Good 30 Fair
ADI late 44 Gen Good 21 Fair 43 Gen Good
Max LVORI early 5 4 7
Max LVORI late 6 5 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ008-202015-
Sandusky-
Including the cities of Fremont, Bellevue, and Clyde
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 65 (0) 76
RH % (24h trend) 72 (+1) 96 (-3) 70
20ft Wnd-Val/AM(mph) N 7 NE 9 G19
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11 G19
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 910 1100
Mixing Hgt(ft-agl/msl) 2990 3600
Transport Wnd (kts) N 15 NE 16
Transport Wnd (m/s) N 8 NE 8
Transport Wnd (mph) N 17 NE 18
Vent Rate (kt-ft) 44850 57600
Vent Rate (m/s-m) 7280 8800
Vent Rate (mph-ft) 50830 64800
Dispersion 3 4
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 26 Fair 39 Fair 24 Fair
ADI late 39 Fair 15 Gen Poor 47 Gen Good
Max LVORI early 6 5 8
Max LVORI late 6 5 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
Northwest winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ017-202015-
Hancock-
Including the city of Findlay
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-10) 64 (-1) 77
RH % (24h trend) 72 (+3) 96 (-2) 65
20ft Wnd-Val/AM(mph) N 7 NE 8 G17
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 900 1170
Mixing Hgt(ft-agl/msl) 2960 3820
Transport Wnd (kts) N 14 NE 15
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 17
Vent Rate (kt-ft) 41440 57300
Vent Rate (m/s-m) 6300 9360
Vent Rate (mph-ft) 47360 64940
Dispersion 3 4
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 29 Fair 42 Gen Good 38 Fair
ADI late 36 Fair 13 Gen Poor 46 Gen Good
Max LVORI early 6 5 6
Max LVORI late 5 6 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Northwest winds 5 to 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 70s. Northwest winds 5 to 10 mph.
$$
OHZ018-202015-
Seneca-
Including the cities of Tiffin and Fostoria
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-10) 64 (-1) 76
RH % (24h trend) 73 (+5) 99 (0) 68
20ft Wnd-Val/AM(mph) N 7 NE 8 G18
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11 G19
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 740 1010
Mixing Hgt(ft-agl/msl) 2430 3330
Transport Wnd (kts) N 14 NE 17
Transport Wnd (m/s) N 7 NE 9
Transport Wnd (mph) N 16 NE 20
Vent Rate (kt-ft) 34020 56610
Vent Rate (m/s-m) 5180 9090
Vent Rate (mph-ft) 38880 66600
Dispersion 3 4
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 23 Fair 33 Fair 22 Fair
ADI late 33 Fair 14 Gen Poor 46 Gen Good
Max LVORI early 6 5 9
Max LVORI late 6 6 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ027-202015-
Wyandot-
Including the cities of Upper Sandusky and Carey
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-10) 64 (0) 77
RH % (24h trend) 73 (+6) 98 (-1) 68
20ft Wnd-Val/AM(mph) N 7 NE 8
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 740 950
Mixing Hgt(ft-agl/msl) 2420 3110
Transport Wnd (kts) N 14 NE 17
Transport Wnd (m/s) N 7 NE 9
Transport Wnd (mph) N 16 NE 20
Vent Rate (kt-ft) 33880 52870
Vent Rate (m/s-m) 5180 8550
Vent Rate (mph-ft) 38720 62200
Dispersion 3 4
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 25 Fair 34 Fair 21 Fair
ADI late 34 Fair 12 Poor 45 Gen Good
Max LVORI early 7 5 9
Max LVORI late 5 7 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Northwest winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ028-202015-
Crawford-
Including the cities of Bucyrus, Galion, and Crestline
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 64 (-1) 77
RH % (24h trend) 75 (+10) 99 (-1) 70
20ft Wnd-Val/AM(mph) NW 6 NE 8 G17
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 680 870
Mixing Hgt(ft-agl/msl) 2230 2840
Transport Wnd (kts) N 14 NE 16
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 18
Vent Rate (kt-ft) 31220 45440
Vent Rate (m/s-m) 4760 6960
Vent Rate (mph-ft) 35680 51120
Dispersion 3 3
Sunshine Hours 3 7
RH Recovery Excellent
ADI early 20 Gen Poor 32 Fair 32 Fair
ADI late 32 Fair 12 Poor 43 Gen Good
Max LVORI early 8 5 8
Max LVORI late 6 7 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ036-202015-
Marion-
Including the city of Marion
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-10) 64 (-1) 78
RH % (24h trend) 73 (+9) 100 (0) 69
20ft Wnd-Val/AM(mph) N 6 NE 8
20ft Wnd-Rdg/PM(mph) N 9 N 9 NE 10 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 720 900
Mixing Hgt(ft-agl/msl) 2350 2950
Transport Wnd (kts) N 11 NE 16
Transport Wnd (m/s) N 6 NE 8
Transport Wnd (mph) N 13 NE 18
Vent Rate (kt-ft) 25850 47200
Vent Rate (m/s-m) 4320 7200
Vent Rate (mph-ft) 30550 53100
Dispersion 3 3
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 26 Fair 36 Fair 33 Fair
ADI late 34 Fair 13 Gen Poor 43 Gen Good
Max LVORI early 8 6 8
Max LVORI late 4 7 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
West winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Northwest winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. West winds around 10 mph.
$$
OHZ037-202015-
Morrow-
Including the cities of Mount Gilead and Cardington
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-10) 63 (-2) 79
RH % (24h trend) 76 (+13) 100 (0) 69
20ft Wnd-Val/AM(mph) NW 6 NE 8
20ft Wnd-Rdg/PM(mph) N 9 N 9 NE 9 G17
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 710 920
Mixing Hgt(ft-agl/msl) 2340 3020
Transport Wnd (kts) N 10 NE 14
Transport Wnd (m/s) N 5 NE 7
Transport Wnd (mph) N 12 NE 16
Vent Rate (kt-ft) 23400 42280
Vent Rate (m/s-m) 3550 6440
Vent Rate (mph-ft) 28080 48320
Dispersion 2 3
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 22 Fair 31 Fair 40 Fair
ADI late 30 Fair 14 Gen Poor 41 Gen Good
Max LVORI early 8 7 7
Max LVORI late 5 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. West winds around 5 mph.
.SUNDAY...Mostly clear. Lows around 60. Highs in the upper 70s.
West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. West winds around 10 mph.
$$
OHZ009-202015-
Erie-
Including the cities of Sandusky and Huron
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-7) 65 (-1) 76
RH % (24h trend) 80 (+9) 99 (0) 77
20ft Wnd-Val/AM(mph) N 7 NE 9 G20
20ft Wnd-Rdg/PM(mph) N 10 NE 9 G18 NE 11 G20
Precip Amount 0.02 0.00 0.00
Precip Duration 1
Precip Begin 10 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 760 910
Mixing Hgt(ft-agl/msl) 2490 2970
Transport Wnd (kts) N 15 NE 18
Transport Wnd (m/s) N 8 NE 9
Transport Wnd (mph) N 17 NE 21
Vent Rate (kt-ft) 37350 53460
Vent Rate (m/s-m) 6080 8190
Vent Rate (mph-ft) 42330 62370
Dispersion 3 4
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 25 Fair 32 Fair 17 Gen Poor
ADI late Very Poor 16 Gen Poor 46 Gen Good
Max LVORI early 7 5 9
Max LVORI late 8 5 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the mid 60s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds 5 to 10 mph.
$$
OHZ019-202015-
Huron-
Including the cities of Norwalk and Willard
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 20 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 64 (-1) 76
RH % (24h trend) 80 (+11) 100 (0) 74
20ft Wnd-Val/AM(mph) NW 5 NE 7 G18
20ft Wnd-Rdg/PM(mph) N 9 NE 8 NE 10 G19
Precip Amount 0.02 0.00 0.00
Precip Duration 1 1
Precip Begin 10 AM 8 AM
Precip End 6 PM 5 PM
Mixing Hgt(m-agl/msl) 720 890
Mixing Hgt(ft-agl/msl) 2350 2910
Transport Wnd (kts) N 14 NE 16
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 18
Vent Rate (kt-ft) 32900 46560
Vent Rate (m/s-m) 5040 7120
Vent Rate (mph-ft) 37600 52380
Dispersion 3 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 21 Fair 35 Fair 35 Fair
ADI late 33 Fair 10 Poor 44 Gen Good
Max LVORI early 9 5 7
Max LVORI late 5 8 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 70s.
Northwest winds 5 to 10 mph.
$$
OHZ029-202015-
Richland-
Including the city of Mansfield
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 0 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 63 (-2) 78
RH % (24h trend) 78 (+15) 100 (0) 72
20ft Wnd-Val/AM(mph) NW 5 NE 7
20ft Wnd-Rdg/PM(mph) N 8 N 8 NE 9 G17
Precip Amount 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 720 900
Mixing Hgt(ft-agl/msl) 2370 2950
Transport Wnd (kts) N 10 NE 14
Transport Wnd (m/s) N 5 NE 7
Transport Wnd (mph) N 12 NE 16
Vent Rate (kt-ft) 23700 41300
Vent Rate (m/s-m) 3600 6300
Vent Rate (mph-ft) 28440 47200
Dispersion 2 3
Sunshine Hours 3 7
RH Recovery Excellent
ADI early 21 Fair 33 Fair 35 Fair
ADI late 31 Fair 12 Poor 41 Gen Good
Max LVORI early 9 7 8
Max LVORI late 5 8 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 5 mph.
$$
OHZ030-202015-
Ashland-
Including the city of Ashland
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 0 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 64 (-1) 79
RH % (24h trend) 77 (+15) 100 (0) 71
20ft Wnd-Val/AM(mph) NW 5 NE 6
20ft Wnd-Rdg/PM(mph) N 8 N 8 NE 9 G17
Precip Amount 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 770 910
Mixing Hgt(ft-agl/msl) 2530 3000
Transport Wnd (kts) N 10 NE 13
Transport Wnd (m/s) N 5 NE 7
Transport Wnd (mph) N 12 NE 15
Vent Rate (kt-ft) 25300 39000
Vent Rate (m/s-m) 3850 6370
Vent Rate (mph-ft) 30360 45000
Dispersion 2 3
Sunshine Hours 4 7
RH Recovery Excellent
ADI early 22 Fair 39 Fair 33 Fair
ADI late 33 Fair 10 Poor 47 Gen Good
Max LVORI early 9 7 8
Max LVORI late 5 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs around 70. Northwest winds around 5 mph.
$$
OHZ047-202015-
Knox-
Including the city of Mount Vernon
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 0 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-10) 63 (-3) 80
RH % (24h trend) 72 (+14) 100 (0) 66
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 7 N 8 NE 8
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 970 1110
Mixing Hgt(ft-agl/msl) 3180 3630
Transport Wnd (kts) N 10 N 13
Transport Wnd (m/s) N 5 N 7
Transport Wnd (mph) N 12 N 15
Vent Rate (kt-ft) 31800 47190
Vent Rate (m/s-m) 4850 7770
Vent Rate (mph-ft) 38160 54450
Dispersion 3 3
Sunshine Hours 5 7
RH Recovery Excellent
ADI early 23 Fair 42 Gen Good 30 Fair
ADI late 40 Fair 12 Poor 59 Gen Good
Max LVORI early 9 7 5
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. West winds around 5 mph.
$$
OHZ038-202015-
Holmes-
Including the cities of Millersburg and Killbuck
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 0 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (-8) 64 (-1) 79
RH % (24h trend) 72 (+17) 100 (0) 65
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 6 N 7 NE 7
Precip Amount 0.00 0.00 0.00
Precip Duration 1
Precip Begin 1 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 990 1140
Mixing Hgt(ft-agl/msl) 3250 3750
Transport Wnd (kts) N 10 N 11
Transport Wnd (m/s) N 5 N 6
Transport Wnd (mph) N 12 N 13
Vent Rate (kt-ft) 32500 41250
Vent Rate (m/s-m) 4950 6840
Vent Rate (mph-ft) 39000 48750
Dispersion 3 3
Sunshine Hours 5 7
RH Recovery Excellent
ADI early 23 Fair 45 Gen Good 29 Fair
ADI late 39 Fair 11 Poor 55 Gen Good
Max LVORI early 9 6 5
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 5 mph.
$$
OHZ031-202015-
Wayne-
Including the cities of Wooster, Orrville, and Rittman
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 20 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (-9) 63 (-2) 79
RH % (24h trend) 75 (+17) 100 (0) 68
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 8 N 8 NE 9
Precip Amount 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 8 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 860 1100
Mixing Hgt(ft-agl/msl) 2830 3600
Transport Wnd (kts) N 10 N 12
Transport Wnd (m/s) N 5 N 6
Transport Wnd (mph) N 12 N 14
Vent Rate (kt-ft) 28300 43200
Vent Rate (m/s-m) 4300 6600
Vent Rate (mph-ft) 33960 50400
Dispersion 3 3
Sunshine Hours 5 7
RH Recovery Excellent
ADI early 22 Fair 45 Gen Good 31 Fair
ADI late 38 Fair 11 Poor 52 Gen Good
Max LVORI early 9 7 8
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
West winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Northwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs around 70.
Northwest winds 5 to 10 mph.
$$
OHZ020-202015-
Medina-
Including the cities of Brunswick, Medina, and Wadsworth
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 20 0 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 78 (-8) 63 (-2) 78
RH % (24h trend) 78 (+17) 100 (0) 72
20ft Wnd-Val/AM(mph) NW 5 NE 6
20ft Wnd-Rdg/PM(mph) N 9 NE 8 NE 9 G17
Precip Amount 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 7 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 810 900
Mixing Hgt(ft-agl/msl) 2650 2940
Transport Wnd (kts) N 10 NE 12
Transport Wnd (m/s) N 5 NE 6
Transport Wnd (mph) N 12 NE 14
Vent Rate (kt-ft) 26500 35280
Vent Rate (m/s-m) 4050 5400
Vent Rate (mph-ft) 31800 41160
Dispersion 3 3
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 21 Fair 39 Fair 30 Fair
ADI late 32 Fair 10 Poor 34 Fair
Max LVORI early 9 6 7
Max LVORI late 5 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s.
Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows around 60. Highs in the lower
80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs around 70. Northwest winds around 10 mph.
$$
OHZ010-202015-
Lorain-
Including the cities of Lorain, Elyria, North Ridgeville,
and Avon Lake
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 30 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-9) 64 (-1) 77
RH % (24h trend) 79 (+15) 100 (+1) 72
20ft Wnd-Val/AM(mph) NW 6 NE 8 G20
20ft Wnd-Rdg/PM(mph) N 10 NE 9 NE 11 G20
Precip Amount 0.03 0.00 0.01
Precip Duration 1 1
Precip Begin 9 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 730 930
Mixing Hgt(ft-agl/msl) 2400 3070
Transport Wnd (kts) N 14 NE 16
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 18
Vent Rate (kt-ft) 33600 49120
Vent Rate (m/s-m) 5110 7440
Vent Rate (mph-ft) 38400 55260
Dispersion 3 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 22 Fair 34 Fair 34 Fair
ADI late 26 Fair 14 Gen Poor 44 Gen Good
Max LVORI early 9 5 7
Max LVORI late 6 6 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 70s. West winds around 10 mph.
$$
OHZ011-202015-
Cuyahoga-
Including the city of Cleveland
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 30 0 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 77 (-9) 63 (-4) 77
RH % (24h trend) 80 (+22) 100 (+1) 72
20ft Wnd-Val/AM(mph) NW 6 NE 7 G17
20ft Wnd-Rdg/PM(mph) N 9 NE 8 NE 10 G19
Precip Amount 0.04 0.00 0.01
Precip Duration 1 1
Precip Begin 6 AM 7 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 790 880
Mixing Hgt(ft-agl/msl) 2580 2900
Transport Wnd (kts) N 11 NE 15
Transport Wnd (m/s) N 6 NE 8
Transport Wnd (mph) N 13 NE 17
Vent Rate (kt-ft) 28380 43500
Vent Rate (m/s-m) 4740 7040
Vent Rate (mph-ft) 33540 49300
Dispersion 3 3
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 21 Fair 38 Fair 30 Fair
ADI late 34 Fair 14 Gen Poor 38 Fair
Max LVORI early 9 5 6
Max LVORI late 5 6 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs around 70. West winds around 5 mph.
$$
OHZ012-202015-
Lake-
Including the cities of Mentor, Willoughby, Eastlake,
Painesville, Willowick, and Wickliffe
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Showers None None
Chance Precip (%) 30 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-8) 64 (-1) 76
RH % (24h trend) 80 (+20) 100 (0) 70
20ft Wnd-Val/AM(mph) NW 6 NE 9 G20
20ft Wnd-Rdg/PM(mph) NE 9 NE 8 G17 NE 11 G20
Precip Amount 0.05 0.00 0.00
Precip Duration 2
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 690 840
Mixing Hgt(ft-agl/msl) 2260 2770
Transport Wnd (kts) N 12 NE 16
Transport Wnd (m/s) N 6 NE 8
Transport Wnd (mph) N 14 NE 18
Vent Rate (kt-ft) 27120 44320
Vent Rate (m/s-m) 4140 6720
Vent Rate (mph-ft) 31640 49860
Dispersion 3 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 20 Gen Poor 37 Fair 25 Fair
ADI late 31 Fair 20 Gen Poor 40 Fair
Max LVORI early 8 5 10
Max LVORI late 4 5 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 50s. Highs around 70.
West winds around 5 mph.
.TUESDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs around 70. Northwest winds 10 to 15 mph.
$$
OHZ013-202015-
Geauga-
Including the cities of Chardon, South Russell, Bainbridge,
Chesterland, Middlefield, and Burton
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms None Showers
Chance Precip (%) 30 0 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 76 (-8) 62 (-1) 75
RH % (24h trend) 83 (+22) 100 (0) 74
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 7 NE 6 NE 8
Precip Amount 0.04 0.00 0.01
Precip Duration 2 1
Precip Begin 6 AM 7 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 720 780
Mixing Hgt(ft-agl/msl) 2360 2570
Transport Wnd (kts) N 9 NE 12
Transport Wnd (m/s) N 5 NE 6
Transport Wnd (mph) N 10 NE 14
Vent Rate (kt-ft) 21240 30840
Vent Rate (m/s-m) 3600 4680
Vent Rate (mph-ft) 23600 35980
Dispersion 2 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 19 Gen Poor 32 Fair 28 Fair
ADI late 27 Fair 11 Poor 40 Fair
Max LVORI early 9 8 8
Max LVORI late 5 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with a chance of showers.
Lows in the lower 50s. Highs in the upper 60s. West winds around
5 mph.
$$
OHZ021-202015-
Summit-
Including the city of Akron
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 30 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (-7) 63 (-2) 80
RH % (24h trend) 73 (+18) 100 (0) 66
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 7 NE 7 NE 8
Precip Amount 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 6 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 940 1100
Mixing Hgt(ft-agl/msl) 3090 3600
Transport Wnd (kts) N 10 NE 11
Transport Wnd (m/s) N 5 NE 6
Transport Wnd (mph) N 12 NE 13
Vent Rate (kt-ft) 30900 39600
Vent Rate (m/s-m) 4700 6600
Vent Rate (mph-ft) 37080 46800
Dispersion 3 3
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 22 Fair 45 Gen Good 30 Fair
ADI late 41 Gen Good 10 Poor 48 Gen Good
Max LVORI early 9 6 8
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs around 70.
Northwest winds 5 to 10 mph.
$$
OHZ022-202015-
Portage-
Including the cities of Kent, Aurora, Streetsboro, and Ravenna
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 30 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (-8) 62 (-2) 79
RH % (24h trend) 74 (+19) 100 (0) 67
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) N 6 NE 6 NE 8
Precip Amount 0.02 0.00 0.00
Precip Duration 1 1
Precip Begin 6 AM 9 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 880 970
Mixing Hgt(ft-agl/msl) 2890 3180
Transport Wnd (kts) N 9 NE 10
Transport Wnd (m/s) N 5 NE 5
Transport Wnd (mph) N 10 NE 12
Vent Rate (kt-ft) 26010 31800
Vent Rate (m/s-m) 4400 4850
Vent Rate (mph-ft) 28900 38160
Dispersion 3 3
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 19 Gen Poor 42 Gen Good 27 Fair
ADI late 40 Fair 10 Poor 45 Gen Good
Max LVORI early 9 7 8
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs around 70. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs around 70. West
winds 5 to 10 mph.
$$
OHZ032-202015-
Stark-
Including the cities of Canton, Massillon, and Alliance
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Showers None Showers
Chance Precip (%) 20 0 20
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (-8) 63 (-2) 80
RH % (24h trend) 72 (+19) 100 (0) 64
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 6 N 7 NE 8
Precip Amount 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 6 AM 12 PM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 990 1130
Mixing Hgt(ft-agl/msl) 3260 3700
Transport Wnd (kts) N 10 N 10
Transport Wnd (m/s) N 5 N 5
Transport Wnd (mph) N 12 N 12
Vent Rate (kt-ft) 32600 37000
Vent Rate (m/s-m) 4950 5650
Vent Rate (mph-ft) 39120 44400
Dispersion 3 3
Sunshine Hours 5 6
RH Recovery Excellent
ADI early 20 Gen Poor 40 Fair 27 Fair
ADI late 43 Gen Good 11 Poor 47 Gen Good
Max LVORI early 9 6 5
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 70s.
West winds 5 to 10 mph.
$$
OHZ033-202015-
Mahoning-
Including the cities of Youngstown, Boardman, and Austintown
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 30 0 30
Chance of Thunder (%) 20 0 0
Temp (24h trend) 81 (-7) 63 (-1) 80
RH % (24h trend) 70 (+20) 100 (0) 62
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NW 5 N 6 NE 7
Precip Amount 0.03 0.00 0.00
Precip Duration 1 1
Precip Begin 6 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 1010 1100
Mixing Hgt(ft-agl/msl) 3320 3600
Transport Wnd (kts) N 8 N 10
Transport Wnd (m/s) N 4 N 5
Transport Wnd (mph) N 9 N 12
Vent Rate (kt-ft) 26560 36000
Vent Rate (m/s-m) 4040 5500
Vent Rate (mph-ft) 29880 43200
Dispersion 3 3
Sunshine Hours 4 5
RH Recovery Excellent
ADI early 18 Gen Poor 39 Fair 21 Fair
ADI late 36 Fair 9 Poor 51 Gen Good
Max LVORI early 9 7 8
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. Northwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 70s.
West winds 5 to 10 mph.
$$
OHZ023-202015-
Trumbull-
Including the cities of Warren and Niles
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 30 0 30
Chance of Thunder (%) 20 0 0
Temp (24h trend) 79 (-7) 62 (-2) 79
RH % (24h trend) 75 (+20) 100 (0) 65
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) N 6 N 6 NE 7
Precip Amount 0.04 0.00 0.00
Precip Duration 2 1
Precip Begin 6 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 910 1010
Mixing Hgt(ft-agl/msl) 2980 3320
Transport Wnd (kts) N 9 N 10
Transport Wnd (m/s) N 5 N 5
Transport Wnd (mph) N 10 N 12
Vent Rate (kt-ft) 26820 33200
Vent Rate (m/s-m) 4550 5050
Vent Rate (mph-ft) 29800 39840
Dispersion 3 3
Sunshine Hours 4 6
RH Recovery Excellent
ADI early 18 Gen Poor 43 Gen Good 22 Fair
ADI late 33 Fair 9 Poor 44 Gen Good
Max LVORI early 9 8 8
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs around 70. Northwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs around 70. West
winds 5 to 10 mph.
$$
OHZ014-202015-
Ashtabula Inland-
Including the cities of Jefferson, Orwell, Andover,
and Roaming Shores
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 30 0 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 76 (-8) 62 (-1) 76
RH % (24h trend) 81 (+21) 100 (0) 69
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 8 NE 7 NE 9
Precip Amount 0.04 0.00 0.00
Precip Duration 2 1
Precip Begin 6 AM 8 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 750 850
Mixing Hgt(ft-agl/msl) 2460 2800
Transport Wnd (kts) N 8 NE 13
Transport Wnd (m/s) N 4 NE 7
Transport Wnd (mph) N 9 NE 15
Vent Rate (kt-ft) 19680 36400
Vent Rate (m/s-m) 3000 5950
Vent Rate (mph-ft) 22140 42000
Dispersion 2 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 20 Gen Poor 31 Fair 28 Fair
ADI late 29 Fair 11 Poor 36 Fair
Max LVORI early 9 8 8
Max LVORI late 5 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. East winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with a chance of showers.
Lows in the lower 50s. Highs in the upper 60s. West winds around
5 mph.
$$
OHZ089-202015-
Ashtabula Lakeshore-
Including the cities of Ashtabula, Conneaut, and Geneva
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms None None
Chance Precip (%) 30 0 0
Chance of Thunder (%) 20 0 0
Temp (24h trend) 77 (-7) 64 (-1) 76
RH % (24h trend) 79 (+18) 100 (0) 70
20ft Wnd-Val/AM(mph) NW 6 NE 9 G21
20ft Wnd-Rdg/PM(mph) NE 8 NE 9 G20 NE 11 G21
Precip Amount 0.05 0.00 0.00
Precip Duration 2
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 700 790
Mixing Hgt(ft-agl/msl) 2310 2580
Transport Wnd (kts) N 14 NE 16
Transport Wnd (m/s) N 7 NE 8
Transport Wnd (mph) N 16 NE 18
Vent Rate (kt-ft) 32340 41280
Vent Rate (m/s-m) 4900 6320
Vent Rate (mph-ft) 36960 46440
Dispersion 3 3
Sunshine Hours 2 6
RH Recovery Excellent
ADI early 20 Gen Poor 36 Fair 22 Fair
ADI late 32 Fair 23 Fair Very Poor
Max LVORI early 9 5 10
Max LVORI late 4 5 6
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Mostly clear. 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 in the upper 70s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with a chance of showers.
Lows in the upper 50s. Highs around 70. West winds around 5 mph.
$$
PAZ001-202015-
Northern Erie-
Including the city of Erie
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Showers None
Chance Precip (%) 40 20 0
Chance of Thunder (%) 20 0 0
Temp (24h trend) 77 (-6) 63 (-2) 76
RH % (24h trend) 77 (+19) 100 (+2) 65
20ft Wnd-Val/AM(mph) SE 6 NE 9 G19
20ft Wnd-Rdg/PM(mph) NE 8 NE 9 G19 NE 10 G19
Precip Amount 0.06 0.00 0.00
Precip Duration 2 1
Precip Begin 6 AM Continuing
Precip End Continuing 6 AM
Mixing Hgt(m-agl/msl) 710 920
Mixing Hgt(ft-agl/msl) 2320 3030
Transport Wnd (kts) N 15 NE 17
Transport Wnd (m/s) N 8 NE 9
Transport Wnd (mph) N 17 NE 20
Vent Rate (kt-ft) 34800 51510
Vent Rate (m/s-m) 5680 8280
Vent Rate (mph-ft) 39440 60600
Dispersion 3 4
Sunshine Hours 2 6
RH Recovery Excellent
ADI early 16 Gen Poor 24 Fair 20 Gen Poor
ADI late 34 Fair 22 Fair 45 Gen Good
Max LVORI early 7 6 10
Max LVORI late 4 5 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the mid 60s. Highs in the lower
80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the upper 60s. West winds around 10 mph.
.TUESDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. West winds 10 to 15 mph.
$$
PAZ002-202015-
Southern Erie-
Including the cities of Edinboro, Corry, and Union City
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 40 20 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 76 (-5) 59 (-3) 75
RH % (24h trend) 81 (+22) 100 (0) 68
20ft Wnd-Val/AM(mph) S 5 NE 6
20ft Wnd-Rdg/PM(mph) N 7 NE 6 NE 9
Precip Amount 0.09 0.01 0.00
Precip Duration 2 1 1
Precip Begin 6 AM Continuing 8 AM
Precip End Continuing 6 AM 6 PM
Mixing Hgt(m-agl/msl) 640 980
Mixing Hgt(ft-agl/msl) 2100 3230
Transport Wnd (kts) N 10 NE 13
Transport Wnd (m/s) N 5 NE 7
Transport Wnd (mph) N 12 NE 15
Vent Rate (kt-ft) 21000 41990
Vent Rate (m/s-m) 3200 6860
Vent Rate (mph-ft) 25200 48450
Dispersion 2 3
Sunshine Hours 2 6
RH Recovery Excellent
ADI early 10 Poor 28 Fair 8 Poor
ADI late 24 Fair 9 Poor 33 Fair
Max LVORI early 9 8 10
Max LVORI late 5 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. East winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the mid 70s. Southwest winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. West winds around 5 mph.
.TUESDAY...Mostly cloudy. A chance of showers. Lows around 50.
Highs in the upper 60s. West winds 5 to 10 mph.
$$
PAZ003-202015-
Crawford-
Including the cities of Meadville and Titusville
110 AM EDT Wed Aug 20 2025
Today Tonight Thu
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms None Showers
Chance Precip (%) 40 0 20
Chance of Thunder (%) 20 0 0
Temp (24h trend) 77 (-5) 60 (-2) 76
RH % (24h trend) 82 (+22) 100 (0) 70
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) N 6 NE 5 NE 8
Precip Amount 0.07 0.00 0.00
Precip Duration 2 1
Precip Begin 6 AM 10 AM
Precip End 6 PM 6 PM
Mixing Hgt(m-agl/msl) 750 1070
Mixing Hgt(ft-agl/msl) 2450 3520
Transport Wnd (kts) N 8 NE 10
Transport Wnd (m/s) N 4 NE 5
Transport Wnd (mph) N 9 NE 12
Vent Rate (kt-ft) 19600 35200
Vent Rate (m/s-m) 3000 5350
Vent Rate (mph-ft) 22050 42240
Dispersion 2 3
Sunshine Hours 3 6
RH Recovery Excellent
ADI early 12 Poor 26 Fair 21 Fair
ADI late 26 Fair 8 Poor 43 Gen Good
Max LVORI early 9 8 8
Max LVORI late 5 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 80.
East winds around 5 mph.
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the upper 70s. Southwest winds around 5 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with a chance of showers.
Lows in the lower 50s. Highs in the upper 60s. West winds around
5 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation below normal.
$$