Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Cleveland, OH
Issued by NWS Cleveland, OH
090
FNUS51 KCLE 210507
FWFCLE
Fire Weather Planning Forecast for Northern OH and Northwest PA
National Weather Service Cleveland OH
107 AM EDT Thu Aug 21 2025
.DISCUSSION...
High pressure will persist over the area into Saturday before a low
pressure over northern Ontario moves a cold front east Saturday
night. A surface trough will linger over the area into the start of
next week.
OHZ003-212030-
Lucas-
Including the city of Toledo
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (0) 59 (-5) 83
RH % (24h trend) 58 (-14) 99 (+6) 49
20ft Wnd-Val/AM(mph) NE 11 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 10 G17 NE 5 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1250 1550
Mixing Hgt(ft-agl/msl) 4090 5070
Transport Wnd (kts) NE 11 E 4
Transport Wnd (m/s) NE 6 E 2
Transport Wnd (mph) NE 13 E 5
Vent Rate (kt-ft) 44990 20280
Vent Rate (m/s-m) 7500 3100
Vent Rate (mph-ft) 53170 25350
Dispersion 3 2
Sunshine Hours 9 12
RH Recovery Excellent
ADI early 44 Gen Good 49 Gen Good 21 Fair
ADI late 64 Good 4 Very Poor 25 Fair
Max LVORI early 6 6 7
Max LVORI late 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 50 to 55. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ006-212030-
Wood-
Including the cities of Bowling Green and Perrysburg
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-1) 61 (-3) 82
RH % (24h trend) 65 (-10) 99 (+5) 53
20ft Wnd-Val/AM(mph) NE 11 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 7 NE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1110 1570
Mixing Hgt(ft-agl/msl) 3650 5160
Transport Wnd (kts) NE 15 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 17 NE 6
Vent Rate (kt-ft) 54750 25800
Vent Rate (m/s-m) 8880 4710
Vent Rate (mph-ft) 62050 30960
Dispersion 4 3
Sunshine Hours 7 11
RH Recovery Excellent
ADI early 35 Fair 44 Gen Good 29 Fair
ADI late 43 Gen Good 4 Very Poor 31 Fair
Max LVORI early 6 6 9
Max LVORI late 6 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
Northwest winds 5 to 10 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 49 to 55. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ007-212030-
Ottawa-
Including the cities of Port Clinton, Oak Harbor, and Genoa
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-1) 64 (-2) 80
RH % (24h trend) 68 (-8) 94 (+1) 57
20ft Wnd-Val/AM(mph) NE 13 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 8 NE 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 980 1150
Mixing Hgt(ft-agl/msl) 3220 3760
Transport Wnd (kts) NE 16 NE 6
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 18 NE 7
Vent Rate (kt-ft) 51520 22560
Vent Rate (m/s-m) 7840 3450
Vent Rate (mph-ft) 57960 26320
Dispersion 3 2
Sunshine Hours 6 11
RH Recovery Excellent
ADI early 18 Gen Poor 39 Fair 27 Fair
ADI late 38 Fair 8 Poor 28 Fair
Max LVORI early 8 5 6
Max LVORI late 6 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 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 WEDNESDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 70s. Northwest winds around 10 mph.
$$
OHZ008-212030-
Sandusky-
Including the cities of Fremont, Bellevue, and Clyde
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-2) 62 (-4) 81
RH % (24h trend) 69 (-9) 99 (+3) 57
20ft Wnd-Val/AM(mph) NE 12 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 8 NE 6
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 950 1290
Mixing Hgt(ft-agl/msl) 3120 4240
Transport Wnd (kts) NE 16 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 18 NE 6
Vent Rate (kt-ft) 49920 21200
Vent Rate (m/s-m) 7600 3870
Vent Rate (mph-ft) 56160 25440
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 23 Fair 40 Fair 25 Fair
ADI late 39 Fair 5 Very Poor 30 Fair
Max LVORI early 9 7 8
Max LVORI late 6 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. Northwest winds 5 to 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Northwest winds 5 to 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 70s. Northwest winds 5 to 10 mph.
$$
OHZ017-212030-
Hancock-
Including the city of Findlay
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 61 (-3) 83
RH % (24h trend) 67 (-6) 100 (+2) 54
20ft Wnd-Val/AM(mph) N 11 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 9 NE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1060 1450
Mixing Hgt(ft-agl/msl) 3470 4750
Transport Wnd (kts) NE 14 NE 5
Transport Wnd (m/s) NE 7 NE 3
Transport Wnd (mph) NE 16 NE 6
Vent Rate (kt-ft) 48580 23750
Vent Rate (m/s-m) 7420 4350
Vent Rate (mph-ft) 55520 28500
Dispersion 3 3
Sunshine Hours 6 11
RH Recovery Excellent
ADI early 20 Gen Poor 37 Fair 22 Fair
ADI late 40 Fair 4 Very Poor 31 Fair
Max LVORI early 7 6 9
Max LVORI late 6 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 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 WEDNESDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ018-212030-
Seneca-
Including the cities of Tiffin and Fostoria
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 61 (-4) 82
RH % (24h trend) 70 (-8) 99 (+1) 56
20ft Wnd-Val/AM(mph) N 11 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 NE 8 NE 6
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 840 1270
Mixing Hgt(ft-agl/msl) 2750 4170
Transport Wnd (kts) NE 16 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 18 NE 6
Vent Rate (kt-ft) 44000 20850
Vent Rate (m/s-m) 6720 3810
Vent Rate (mph-ft) 49500 25020
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 18 Gen Poor 34 Fair 19 Gen Poor
ADI late Very Poor 5 Very Poor 29 Fair
Max LVORI early 9 7 9
Max LVORI late 7 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
West winds 5 to 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Northwest winds 5 to 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. Northwest winds 5 to 10 mph.
$$
OHZ027-212030-
Wyandot-
Including the cities of Upper Sandusky and Carey
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 60 (-5) 83
RH % (24h trend) 69 (-6) 100 (+1) 55
20ft Wnd-Val/AM(mph) N 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 NE 9 NE 5
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 770 1260
Mixing Hgt(ft-agl/msl) 2540 4130
Transport Wnd (kts) NE 15 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 17 NE 6
Vent Rate (kt-ft) 38100 20650
Vent Rate (m/s-m) 6160 3780
Vent Rate (mph-ft) 43180 24780
Dispersion 3 2
Sunshine Hours 6 11
RH Recovery Excellent
ADI early 16 Gen Poor 32 Fair 16 Gen Poor
ADI late 3 Very Poor 5 Very Poor 29 Fair
Max LVORI early 10 7 9
Max LVORI late 7 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 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 WEDNESDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ028-212030-
Crawford-
Including the cities of Bucyrus, Galion, and Crestline
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 60 (-4) 82
RH % (24h trend) 71 (-7) 100 (0) 55
20ft Wnd-Val/AM(mph) NE 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 NE 9 NE 5
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 750 1180
Mixing Hgt(ft-agl/msl) 2460 3880
Transport Wnd (kts) NE 14 NE 5
Transport Wnd (m/s) NE 7 NE 3
Transport Wnd (mph) NE 16 NE 6
Vent Rate (kt-ft) 34440 19400
Vent Rate (m/s-m) 5250 3540
Vent Rate (mph-ft) 39360 23280
Dispersion 3 2
Sunshine Hours 6 11
RH Recovery Excellent
ADI early 23 Fair 32 Fair 15 Gen Poor
ADI late 34 Fair 5 Very Poor 27 Fair
Max LVORI early 9 7 9
Max LVORI late 7 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
West winds 5 to 10 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ036-212030-
Marion-
Including the city of Marion
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+1) 60 (-4) 83
RH % (24h trend) 69 (-6) 100 (0) 54
20ft Wnd-Val/AM(mph) N 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 12 NE 9 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 780 1280
Mixing Hgt(ft-agl/msl) 2570 4200
Transport Wnd (kts) N 14 NE 4
Transport Wnd (m/s) N 7 NE 2
Transport Wnd (mph) N 16 NE 5
Vent Rate (kt-ft) 35980 16800
Vent Rate (m/s-m) 5460 2560
Vent Rate (mph-ft) 41120 21000
Dispersion 3 2
Sunshine Hours 6 11
RH Recovery Excellent
ADI early 24 Fair 32 Fair 14 Gen Poor
ADI late 34 Fair 5 Very Poor 24 Fair
Max LVORI early 9 7 9
Max LVORI late 6 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 70s.
Northwest winds around 5 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 48 to 53. Highs in
the lower 70s. West winds around 10 mph.
$$
OHZ037-212030-
Morrow-
Including the cities of Mount Gilead and Cardington
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+2) 60 (-4) 83
RH % (24h trend) 70 (-7) 100 (+1) 56
20ft Wnd-Val/AM(mph) NE 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 11 NE 10 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 930 1290
Mixing Hgt(ft-agl/msl) 3050 4220
Transport Wnd (kts) N 13 NE 4
Transport Wnd (m/s) N 7 NE 2
Transport Wnd (mph) N 15 NE 5
Vent Rate (kt-ft) 39650 16880
Vent Rate (m/s-m) 6510 2580
Vent Rate (mph-ft) 45750 21100
Dispersion 3 2
Sunshine Hours 7 11
RH Recovery Excellent
ADI early 27 Fair 29 Fair 16 Gen Poor
ADI late Very Poor 8 Poor 24 Fair
Max LVORI early 8 6 9
Max LVORI late 6 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. West winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 70s. West winds around 5 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 48 to 53. Highs in
the lower 70s. West winds around 10 mph.
$$
OHZ009-212030-
Erie-
Including the cities of Sandusky and Huron
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-1) 62 (-5) 80
RH % (24h trend) 77 (-6) 100 (+2) 63
20ft Wnd-Val/AM(mph) NE 13 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 G21 NE 9 NE 5
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 820 1020
Mixing Hgt(ft-agl/msl) 2700 3360
Transport Wnd (kts) NE 17 NE 5
Transport Wnd (m/s) NE 9 NE 3
Transport Wnd (mph) NE 20 NE 6
Vent Rate (kt-ft) 45900 16800
Vent Rate (m/s-m) 7380 3060
Vent Rate (mph-ft) 54000 20160
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 22 Fair 41 Gen Good 20 Gen Poor
ADI late 1 Very Poor 6 Very Poor 23 Fair
Max LVORI early 9 6 9
Max LVORI late 7 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. 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 5 to 10 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
70s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 70s. Northwest winds 5 to 10 mph.
$$
OHZ019-212030-
Huron-
Including the cities of Norwalk and Willard
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 60 (-5) 81
RH % (24h trend) 76 (-6) 100 (0) 59
20ft Wnd-Val/AM(mph) NE 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 G19 NE 8 NE 5
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 780 1190
Mixing Hgt(ft-agl/msl) 2560 3890
Transport Wnd (kts) NE 16 NE 4
Transport Wnd (m/s) NE 8 NE 2
Transport Wnd (mph) NE 18 NE 5
Vent Rate (kt-ft) 40960 15560
Vent Rate (m/s-m) 6240 2380
Vent Rate (mph-ft) 46080 19450
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 26 Fair 40 Fair 16 Gen Poor
ADI late Very Poor 5 Very Poor 26 Fair
Max LVORI early 8 8 9
Max LVORI late 8 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the lower 70s. Northwest winds around 5 mph.
.WEDNESDAY...Mostly clear. Lows around 50. Highs in the lower
70s. Northwest winds around 5 mph.
$$
OHZ029-212030-
Richland-
Including the city of Mansfield
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Pcldy
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (+1) 59 (-5) 82
RH % (24h trend) 73 (-8) 100 (0) 55
20ft Wnd-Val/AM(mph) NE 9 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 10 G19 NE 9 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 12 PM
Mixing Hgt(m-agl/msl) 870 1380
Mixing Hgt(ft-agl/msl) 2870 4520
Transport Wnd (kts) NE 13 NE 4
Transport Wnd (m/s) NE 7 NE 2
Transport Wnd (mph) NE 15 NE 5
Vent Rate (kt-ft) 37310 18080
Vent Rate (m/s-m) 6090 2760
Vent Rate (mph-ft) 43050 22600
Dispersion 3 2
Sunshine Hours 6 10
RH Recovery Excellent
ADI early 28 Fair 32 Fair 16 Gen Poor
ADI late 29 Fair 5 Very Poor 27 Fair
Max LVORI early 7 7 9
Max LVORI late 7 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.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 around 5 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 48 to 53. Highs
around 70. Northwest winds around 5 mph.
$$
OHZ030-212030-
Ashland-
Including the city of Ashland
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Pcldy
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+2) 59 (-6) 82
RH % (24h trend) 73 (-7) 100 (+1) 55
20ft Wnd-Val/AM(mph) N 9 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 10 G17 N 8 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 900 1410
Mixing Hgt(ft-agl/msl) 2960 4630
Transport Wnd (kts) NE 11 NE 4
Transport Wnd (m/s) NE 6 NE 2
Transport Wnd (mph) NE 13 NE 5
Vent Rate (kt-ft) 32560 18520
Vent Rate (m/s-m) 5400 2820
Vent Rate (mph-ft) 38480 23150
Dispersion 3 2
Sunshine Hours 6 10
RH Recovery Excellent
ADI early 26 Fair 33 Fair 16 Gen Poor
ADI late 29 Fair 5 Very Poor 26 Fair
Max LVORI early 7 7 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Lows 48 to 53. Highs
around 70. Northwest winds around 5 mph.
$$
OHZ047-212030-
Knox-
Including the city of Mount Vernon
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (+2) 60 (-5) 83
RH % (24h trend) 67 (-8) 100 (+2) 52
20ft Wnd-Val/AM(mph) N 9 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 9 N 8 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1070 1610
Mixing Hgt(ft-agl/msl) 3530 5270
Transport Wnd (kts) NE 9 NE 4
Transport Wnd (m/s) NE 5 NE 2
Transport Wnd (mph) NE 10 NE 5
Vent Rate (kt-ft) 31770 21080
Vent Rate (m/s-m) 5350 3220
Vent Rate (mph-ft) 35300 26350
Dispersion 3 2
Sunshine Hours 6 10
RH Recovery Excellent
ADI early 26 Fair 38 Fair 16 Gen Poor
ADI late 37 Fair 5 Very Poor 26 Fair
Max LVORI early 6 7 9
Max LVORI late 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.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 THROUGH WEDNESDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. West winds around 5 mph.
$$
OHZ038-212030-
Holmes-
Including the cities of Millersburg and Killbuck
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+1) 60 (-5) 83
RH % (24h trend) 69 (-6) 100 (+1) 52
20ft Wnd-Val/AM(mph) N 8 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 8 N 7 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 990 1540
Mixing Hgt(ft-agl/msl) 3250 5050
Transport Wnd (kts) NE 8 NE 4
Transport Wnd (m/s) NE 4 NE 2
Transport Wnd (mph) NE 9 NE 5
Vent Rate (kt-ft) 26000 20200
Vent Rate (m/s-m) 3960 3080
Vent Rate (mph-ft) 29250 25250
Dispersion 2 2
Sunshine Hours 6 10
RH Recovery Excellent
ADI early 21 Fair 34 Fair 17 Gen Poor
ADI late 38 Fair 5 Very Poor 27 Fair
Max LVORI early 6 7 10
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s.
Highs around 70. Northwest winds 5 to 10 mph.
$$
OHZ031-212030-
Wayne-
Including the cities of Wooster, Orrville, and Rittman
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Pcldy
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+1) 59 (-6) 82
RH % (24h trend) 71 (-7) 100 (+1) 53
20ft Wnd-Val/AM(mph) N 9 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 9 N 8 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 910 1460
Mixing Hgt(ft-agl/msl) 3000 4800
Transport Wnd (kts) NE 9 N 4
Transport Wnd (m/s) NE 5 N 2
Transport Wnd (mph) NE 10 N 5
Vent Rate (kt-ft) 27000 19200
Vent Rate (m/s-m) 4550 2920
Vent Rate (mph-ft) 30000 24000
Dispersion 3 2
Sunshine Hours 6 10
RH Recovery Excellent
ADI early 23 Fair 34 Fair 17 Gen Poor
ADI late 35 Fair 4 Very Poor 26 Fair
Max LVORI early 7 7 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. 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 THROUGH WEDNESDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. Northwest winds around 10 mph.
$$
OHZ020-212030-
Medina-
Including the cities of Brunswick, Medina, and Wadsworth
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Pcldy
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 78 (+1) 59 (-6) 82
RH % (24h trend) 75 (-6) 100 (+1) 55
20ft Wnd-Val/AM(mph) NE 8 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 11 NE 9 N 5
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 840 1360
Mixing Hgt(ft-agl/msl) 2750 4460
Transport Wnd (kts) N 11 NE 4
Transport Wnd (m/s) N 6 NE 2
Transport Wnd (mph) N 13 NE 5
Vent Rate (kt-ft) 30250 17840
Vent Rate (m/s-m) 5040 2720
Vent Rate (mph-ft) 35750 22300
Dispersion 3 2
Sunshine Hours 5 10
RH Recovery Excellent
ADI early 22 Fair 29 Fair 16 Gen Poor
ADI late 24 Fair 5 Very Poor 29 Fair
Max LVORI early 7 7 9
Max LVORI late 5 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. Northwest winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
around 70. West winds 5 to 10 mph.
$$
OHZ010-212030-
Lorain-
Including the cities of Lorain, Elyria, North Ridgeville,
and Avon Lake
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 59 (-7) 82
RH % (24h trend) 75 (-7) 100 (+1) 58
20ft Wnd-Val/AM(mph) NE 11 G18 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 G21 NE 9 NE 6
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 800 1280
Mixing Hgt(ft-agl/msl) 2630 4200
Transport Wnd (kts) NE 15 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 17 NE 6
Vent Rate (kt-ft) 39450 21000
Vent Rate (m/s-m) 6400 3840
Vent Rate (mph-ft) 44710 25200
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 23 Fair 33 Fair 16 Gen Poor
ADI late 37 Fair 5 Very Poor 24 Fair
Max LVORI early 7 7 9
Max LVORI late 6 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. 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 5 to 10 mph.
.MONDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the lower 70s. West winds around 10 mph.
$$
OHZ011-212030-
Cuyahoga-
Including the city of Cleveland
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (0) 60 (-6) 82
RH % (24h trend) 74 (-10) 100 (+2) 54
20ft Wnd-Val/AM(mph) NE 9 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 11 NE 9 N 6
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 3 PM
Mixing Hgt(m-agl/msl) 850 1350
Mixing Hgt(ft-agl/msl) 2780 4430
Transport Wnd (kts) NE 13 NE 5
Transport Wnd (m/s) NE 7 NE 3
Transport Wnd (mph) NE 15 NE 6
Vent Rate (kt-ft) 36140 22150
Vent Rate (m/s-m) 5950 4050
Vent Rate (mph-ft) 41700 26580
Dispersion 3 3
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 23 Fair 32 Fair 19 Gen Poor
ADI late 33 Fair 4 Very Poor 25 Fair
Max LVORI early 6 6 8
Max LVORI late 5 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the lower 70s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the upper 60s. West winds 10 to 15 mph.
$$
OHZ012-212030-
Lake-
Including the cities of Mentor, Willoughby, Eastlake,
Painesville, Willowick, and Wickliffe
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 58 (-7) 80
RH % (24h trend) 74 (-9) 100 (0) 56
20ft Wnd-Val/AM(mph) NE 11 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 9 NE 6
Precip Amount 0.01 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 820 1110
Mixing Hgt(ft-agl/msl) 2680 3630
Transport Wnd (kts) NE 14 NE 5
Transport Wnd (m/s) NE 7 NE 3
Transport Wnd (mph) NE 16 NE 6
Vent Rate (kt-ft) 37520 18150
Vent Rate (m/s-m) 5740 3330
Vent Rate (mph-ft) 42880 21780
Dispersion 3 2
Sunshine Hours 5 12
RH Recovery Excellent
ADI early 20 Gen Poor 35 Fair 20 Gen Poor
ADI late 36 Fair 5 Very Poor 23 Fair
Max LVORI early 8 6 9
Max LVORI late 6 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.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. A chance of showers. Lows in the upper
50s. Highs in the lower 70s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s.
Highs around 70. Northwest winds 10 to 15 mph.
$$
OHZ013-212030-
Geauga-
Including the cities of Chardon, South Russell, Bainbridge,
Chesterland, Middlefield, and Burton
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (-1) 57 (-6) 80
RH % (24h trend) 77 (-10) 100 (0) 55
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 9 NE 7 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 860 1370
Mixing Hgt(ft-agl/msl) 2820 4480
Transport Wnd (kts) NE 11 NE 3
Transport Wnd (m/s) NE 6 NE 2
Transport Wnd (mph) NE 13 NE 3
Vent Rate (kt-ft) 31020 13440
Vent Rate (m/s-m) 5160 2740
Vent Rate (mph-ft) 36660 13440
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 19 Gen Poor 33 Fair 17 Gen Poor
ADI late 33 Fair 4 Very Poor 22 Fair
Max LVORI early 9 9 9
Max LVORI late 5 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows around 60. Highs in the lower
80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 60s. West winds 5 to 10 mph.
$$
OHZ021-212030-
Summit-
Including the city of Akron
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (+2) 59 (-6) 83
RH % (24h trend) 69 (-9) 100 (+1) 49
20ft Wnd-Val/AM(mph) NE 8 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 8 NE 7 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1000 1620
Mixing Hgt(ft-agl/msl) 3270 5330
Transport Wnd (kts) N 9 NE 4
Transport Wnd (m/s) N 5 NE 2
Transport Wnd (mph) N 10 NE 5
Vent Rate (kt-ft) 29430 21320
Vent Rate (m/s-m) 5000 3240
Vent Rate (mph-ft) 32700 26650
Dispersion 3 2
Sunshine Hours 5 10
RH Recovery Excellent
ADI early 19 Gen Poor 31 Fair 19 Gen Poor
ADI late 37 Fair 4 Very Poor 29 Fair
Max LVORI early 7 7 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 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 in the lower 70s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs around 70. West winds 5 to 10 mph.
$$
OHZ022-212030-
Portage-
Including the cities of Kent, Aurora, Streetsboro, and Ravenna
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (+1) 58 (-6) 82
RH % (24h trend) 71 (-9) 100 (0) 49
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 8 NE 7 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 920 1480
Mixing Hgt(ft-agl/msl) 3020 4860
Transport Wnd (kts) N 9 NE 3
Transport Wnd (m/s) N 5 NE 2
Transport Wnd (mph) N 10 NE 3
Vent Rate (kt-ft) 27180 14580
Vent Rate (m/s-m) 4600 2960
Vent Rate (mph-ft) 30200 14580
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 15 Gen Poor 29 Fair 16 Gen Poor
ADI late 34 Fair 4 Very Poor 20 Gen Poor
Max LVORI early 9 8 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows around 60. Highs in the mid 80s.
Southwest winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
in the upper 60s. West winds 5 to 10 mph.
$$
OHZ032-212030-
Stark-
Including the cities of Canton, Massillon, and Alliance
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (0) 60 (-5) 83
RH % (24h trend) 68 (-7) 100 (+1) 48
20ft Wnd-Val/AM(mph) NE 8 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 8 N 8 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 960 1580
Mixing Hgt(ft-agl/msl) 3150 5190
Transport Wnd (kts) N 9 NE 3
Transport Wnd (m/s) N 5 NE 2
Transport Wnd (mph) N 10 NE 3
Vent Rate (kt-ft) 28350 15570
Vent Rate (m/s-m) 4800 3160
Vent Rate (mph-ft) 31500 15570
Dispersion 3 2
Sunshine Hours 5 10
RH Recovery Excellent
ADI early 17 Gen Poor 33 Fair 20 Gen Poor
ADI late 37 Fair 4 Very Poor 27 Fair
Max LVORI early 7 7 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
mid 80s. Southwest 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...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Northwest winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
around 70. West winds 5 to 10 mph.
$$
OHZ033-212030-
Mahoning-
Including the cities of Youngstown, Boardman, and Austintown
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 80 (-1) 59 (-5) 83
RH % (24h trend) 66 (-5) 100 (0) 45
20ft Wnd-Val/AM(mph) N 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 N 6 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 890 1510
Mixing Hgt(ft-agl/msl) 2920 4970
Transport Wnd (kts) NE 8 NE 3
Transport Wnd (m/s) NE 4 NE 2
Transport Wnd (mph) NE 9 NE 3
Vent Rate (kt-ft) 23360 14910
Vent Rate (m/s-m) 3560 3020
Vent Rate (mph-ft) 26280 14910
Dispersion 2 2
Sunshine Hours 4 10
RH Recovery Excellent
ADI early 13 Gen Poor 26 Fair 22 Fair
ADI late 31 Fair 4 Very Poor 25 Fair
Max LVORI early 8 7 10
Max LVORI late 4 10 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. West winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. Northwest winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
around 70. West winds 5 to 10 mph.
$$
OHZ023-212030-
Trumbull-
Including the cities of Warren and Niles
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 79 (0) 57 (-7) 83
RH % (24h trend) 70 (-8) 100 (0) 47
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 N 6 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 870 1430
Mixing Hgt(ft-agl/msl) 2840 4690
Transport Wnd (kts) NE 9 NE 3
Transport Wnd (m/s) NE 5 NE 2
Transport Wnd (mph) NE 10 NE 3
Vent Rate (kt-ft) 25560 14070
Vent Rate (m/s-m) 4350 2860
Vent Rate (mph-ft) 28400 14070
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 13 Gen Poor 32 Fair 16 Gen Poor
ADI late 26 Fair 4 Very Poor 20 Gen Poor
Max LVORI early 9 7 9
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.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 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 THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
in the upper 60s. West winds 5 to 10 mph.
$$
OHZ014-212030-
Ashtabula Inland-
Including the cities of Jefferson, Orwell, Andover,
and Roaming Shores
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 10 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 56 (-7) 81
RH % (24h trend) 73 (-11) 100 (0) 53
20ft Wnd-Val/AM(mph) NE 8 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 9 NE 7 NE 5
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 2 PM
Mixing Hgt(m-agl/msl) 800 1360
Mixing Hgt(ft-agl/msl) 2640 4460
Transport Wnd (kts) NE 11 E 4
Transport Wnd (m/s) NE 6 E 2
Transport Wnd (mph) NE 13 E 5
Vent Rate (kt-ft) 29040 17840
Vent Rate (m/s-m) 4800 2720
Vent Rate (mph-ft) 34320 22300
Dispersion 3 2
Sunshine Hours 5 11
RH Recovery Excellent
ADI early 17 Gen Poor 32 Fair 21 Fair
ADI late 30 Fair 4 Very Poor 25 Fair
Max LVORI early 8 9 9
Max LVORI late 5 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows around 60. Highs in the lower
80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the lower 70s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 60s. West winds 5 to 10 mph.
$$
OHZ089-212030-
Ashtabula Lakeshore-
Including the cities of Ashtabula, Conneaut, and Geneva
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Drizzle None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-2) 59 (-6) 80
RH % (24h trend) 72 (-9) 100 (+1) 57
20ft Wnd-Val/AM(mph) NE 12 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 13 NE 9 NE 6
Precip Amount 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 760 940
Mixing Hgt(ft-agl/msl) 2500 3090
Transport Wnd (kts) NE 15 NE 5
Transport Wnd (m/s) NE 8 NE 3
Transport Wnd (mph) NE 17 NE 6
Vent Rate (kt-ft) 37500 15450
Vent Rate (m/s-m) 6080 2820
Vent Rate (mph-ft) 42500 18540
Dispersion 3 2
Sunshine Hours 5 12
RH Recovery Excellent
ADI early 13 Gen Poor 34 Fair 20 Gen Poor
ADI late 35 Fair 5 Very Poor 21 Fair
Max LVORI early 10 6 9
Max LVORI late 6 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Showers likely. Lows in the mid 60s.
Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the lower 70s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the mid 50s.
Highs around 70. Northwest winds 10 to 15 mph.
$$
PAZ001-212030-
Northern Erie-
Including the city of Erie
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Clear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 58 (-6) 79
RH % (24h trend) 67 (-12) 97 (-1) 51
20ft Wnd-Val/AM(mph) NE 10 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 12 NE 9 NE 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 790 880
Mixing Hgt(ft-agl/msl) 2590 2890
Transport Wnd (kts) NE 13 NE 5
Transport Wnd (m/s) NE 7 NE 3
Transport Wnd (mph) NE 15 NE 6
Vent Rate (kt-ft) 33670 14450
Vent Rate (m/s-m) 5530 2640
Vent Rate (mph-ft) 38850 17340
Dispersion 3 2
Sunshine Hours 6 13
RH Recovery Excellent
ADI early 13 Gen Poor 34 Fair 16 Gen Poor
ADI late 33 Fair 4 Very Poor 19 Gen Poor
Max LVORI early 9 5 7
Max LVORI late 6 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Showers likely. Lows in the mid 60s.
Highs in the mid 70s. West winds 5 to 10 mph.
.MONDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the lower 70s. West winds around 10 mph.
.TUESDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. West winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs around 70.
West winds 10 to 15 mph.
$$
PAZ002-212030-
Southern Erie-
Including the cities of Edinboro, Corry, and Union City
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 0 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (-1) 53 (-8) 79
RH % (24h trend) 70 (-13) 100 (0) 49
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 9 NE 7 N 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 910 1400
Mixing Hgt(ft-agl/msl) 2990 4590
Transport Wnd (kts) NE 9 NE 4
Transport Wnd (m/s) NE 5 NE 2
Transport Wnd (mph) NE 10 NE 5
Vent Rate (kt-ft) 26910 18360
Vent Rate (m/s-m) 4550 2800
Vent Rate (mph-ft) 29900 22950
Dispersion 3 2
Sunshine Hours 5 12
RH Recovery Excellent
ADI early 5 Very Poor 27 Fair 23 Fair
ADI late 25 Fair 4 Very Poor 25 Fair
Max LVORI early 10 9 9
Max LVORI late 7 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Showers likely. Lows in the lower 60s.
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 THROUGH WEDNESDAY...Partly cloudy. Lows around 50. Highs
in the upper 60s. West winds 5 to 10 mph.
$$
PAZ003-212030-
Crawford-
Including the cities of Meadville and Titusville
107 AM EDT Thu Aug 21 2025
Today Tonight Fri
Cloud Cover Mcldy Mclear Mclear
Precip Type Showers None None
Chance Precip (%) 20 0 0
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 54 (-8) 80
RH % (24h trend) 73 (-10) 100 (0) 48
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 NE 6 Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 4 PM
Mixing Hgt(m-agl/msl) 920 1450
Mixing Hgt(ft-agl/msl) 3020 4750
Transport Wnd (kts) NE 8 NE 4
Transport Wnd (m/s) NE 4 NE 2
Transport Wnd (mph) NE 9 NE 5
Vent Rate (kt-ft) 24160 19000
Vent Rate (m/s-m) 3680 2900
Vent Rate (mph-ft) 27180 23750
Dispersion 2 2
Sunshine Hours 5 12
RH Recovery Excellent
ADI early 12 Poor 26 Fair 22 Fair
ADI late 30 Fair 4 Very Poor 26 Fair
Max LVORI early 9 9 9
Max LVORI late 5 10 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Showers likely. Lows in the lower 60s.
Highs in the upper 70s. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. West winds around 5 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows in the upper
40s. Highs in the upper 60s. West winds 5 to 10 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation near normal.
$$