282
FNUS51 KCLE 201856
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
256 PM EDT SUN SEP 20 2026
DISCUSSION
A FRONTAL BOUNDARY WILL SLOWLY PUSH SOUTH OF THE LOCAL AREA
TONIGHT BEFORE HIGH PRESSURE ATTEMPTS TO BUILD OVER THE REGION ON
MONDAY. MEANWHILE, LOW PRESSURE WILL PASS TO THE SOUTH OF THE
AREA MONDAY INTO TUESDAY WITH A TROUGH PUSHING ACROSS THE LOWER
GREAT LAKES ON WEDNESDAY. TEMPERATURES WILL BE BELOW NORMAL DURING
THE WEEK AND PERIODIC WETTING RAIN WILL PRECLUDE ANY FIRE WEATHER
CONCERNS.
OHZ003-210815-
LUCAS-
INCLUDING THE CITY OF TOLEDO
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 60 50 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-9) 64 (-2) 51 63
RH % (24H TREND) 100 (0) 77 (-10) 92 76
20FT WND-VAL/AM(MPH) NE 14 G23 NE 14 G24
20FT WND-RDG/PM(MPH) NE 11 G21 NE 15 G24 NE 13 G24 NE 16 G24
PRECIP AMOUNT 0.07 0.07 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 890 990
MIXING HGT(FT-AGL/MSL) 2910 3230
TRANSPORT WND (KTS) NE 20 NE 19
TRANSPORT WND (M/S) NE 10 NE 10
TRANSPORT WND (MPH) NE 23 NE 22
VENT RATE (KT-FT) 58200 61370
VENT RATE (M/S-M) 8900 9900
VENT RATE (MPH-FT) 66930 71060
DISPERSION 4 4
SUNSHINE HOURS 3 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 16 GEN POOR 18 GEN POOR 13 GEN POOR
ADI LATE 17 GEN POOR VERY POOR 19 GEN POOR 13 GEN POOR
MAX LVORI EARLY 8 8 6 7
MAX LVORI LATE 5 6 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
OHZ006-210815-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 60 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-8) 65 (-3) 53 64
RH % (24H TREND) 100 (0) 79 (-10) 95 80
20FT WND-VAL/AM(MPH) NE 11 G23 NE 14 G23
20FT WND-RDG/PM(MPH) NE 12 NE 17 G24 NE 15 G23 NE 18
PRECIP AMOUNT 0.19 0.16 0.01 0.01
PRECIP DURATION 7 3 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 790 850
MIXING HGT(FT-AGL/MSL) 2600 2780
TRANSPORT WND (KTS) NE 20 NE 19
TRANSPORT WND (M/S) NE 10 NE 10
TRANSPORT WND (MPH) NE 23 NE 22
VENT RATE (KT-FT) 52000 52820
VENT RATE (M/S-M) 7900 8500
VENT RATE (MPH-FT) 59800 61160
DISPERSION 3 4
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 16 GEN POOR 14 GEN POOR 17 GEN POOR 14 GEN POOR
ADI LATE 16 GEN POOR VERY POOR 19 GEN POOR 14 GEN POOR
MAX LVORI EARLY 8 9 6 8
MAX LVORI LATE 5 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 60S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ007-210815-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (-7) 67 (-1) 55 65
RH % (24H TREND) 96 (-4) 75 (-7) 92 79
20FT WND-VAL/AM(MPH) NE 17 NE 17
20FT WND-RDG/PM(MPH) NE 14 NE 19 NE 17 G25 NE 20
PRECIP AMOUNT 0.07 0.12 0.01 0.01
PRECIP DURATION 3 2 1 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 890 890
MIXING HGT(FT-AGL/MSL) 2930 2910
TRANSPORT WND (KTS) NE 23 NE 21
TRANSPORT WND (M/S) NE 12 NE 11
TRANSPORT WND (MPH) NE 26 NE 24
VENT RATE (KT-FT) 67390 61110
VENT RATE (M/S-M) 10680 9790
VENT RATE (MPH-FT) 76180 69840
DISPERSION 4 4
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 19 GEN POOR 21 FAIR 31 FAIR 22 FAIR
ADI LATE 21 FAIR VERY POOR 28 FAIR 22 FAIR
MAX LVORI EARLY 6 7 6 7
MAX LVORI LATE 4 6 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
60S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ008-210815-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 50 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (-8) 66 (-3) 55 65
RH % (24H TREND) 99 (-1) 75 (-11) 93 80
20FT WND-VAL/AM(MPH) NE 12 G22 NE 14 G23
20FT WND-RDG/PM(MPH) NE 12 NE 16 G24 NE 15 G23 NE 17 G24
PRECIP AMOUNT 0.11 0.14 0.04 0.04
PRECIP DURATION 6 3 1 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 750
MIXING HGT(FT-AGL/MSL) 2620 2460
TRANSPORT WND (KTS) E 19 NE 20
TRANSPORT WND (M/S) E 10 NE 10
TRANSPORT WND (MPH) E 22 NE 23
VENT RATE (KT-FT) 49780 49200
VENT RATE (M/S-M) 8000 7500
VENT RATE (MPH-FT) 57640 56580
DISPERSION 4 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 16 GEN POOR 22 FAIR 13 GEN POOR
ADI LATE 16 GEN POOR VERY POOR 18 GEN POOR 13 GEN POOR
MAX LVORI EARLY 7 7 6 8
MAX LVORI LATE 5 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ017-210815-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 70 40 30
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 56 (-10) 65 (-6) 53 65
RH % (24H TREND) 100 (0) 78 (-14) 95 83
20FT WND-VAL/AM(MPH) NE 11 G22 NE 12 G22
20FT WND-RDG/PM(MPH) NE 13 NE 15 G23 NE 15 G23 NE 16 G23
PRECIP AMOUNT 0.48 0.16 0.02 0.02
PRECIP DURATION 9 3 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 650 720
MIXING HGT(FT-AGL/MSL) 2140 2370
TRANSPORT WND (KTS) NE 18 NE 18
TRANSPORT WND (M/S) NE 9 NE 9
TRANSPORT WND (MPH) NE 21 NE 21
VENT RATE (KT-FT) 38520 42660
VENT RATE (M/S-M) 5850 6480
VENT RATE (MPH-FT) 44940 49770
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 15 GEN POOR 17 GEN POOR 12 POOR
ADI LATE 17 GEN POOR VERY POOR 15 GEN POOR 12 POOR
MAX LVORI EARLY 9 8 6 8
MAX LVORI LATE 5 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ018-210815-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 60 40 30
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 56 (-10) 66 (-5) 53 65
RH % (24H TREND) 98 (-2) 72 (-15) 93 77
20FT WND-VAL/AM(MPH) NE 12 G22 NE 12 G22
20FT WND-RDG/PM(MPH) NE 12 NE 14 G23 NE 14 G22 NE 15 G23
PRECIP AMOUNT 0.27 0.16 0.03 0.03
PRECIP DURATION 8 4 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 670 870
MIXING HGT(FT-AGL/MSL) 2190 2850
TRANSPORT WND (KTS) E 18 NE 19
TRANSPORT WND (M/S) E 9 NE 10
TRANSPORT WND (MPH) E 21 NE 22
VENT RATE (KT-FT) 39420 54150
VENT RATE (M/S-M) 6030 8700
VENT RATE (MPH-FT) 45990 62700
DISPERSION 3 4
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 14 GEN POOR 16 GEN POOR 17 GEN POOR 12 POOR
ADI LATE 18 GEN POOR VERY POOR 15 GEN POOR 12 POOR
MAX LVORI EARLY 6 7 5 8
MAX LVORI LATE 5 5 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 60S.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ027-210815-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 70 30 10
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 56 (-11) 66 (-6) 53 67
RH % (24H TREND) 96 (-4) 70 (-16) 93 76
20FT WND-VAL/AM(MPH) NE 12 G20 NE 11 G19
20FT WND-RDG/PM(MPH) NE 12 NE 14 G22 NE 14 G21 NE 14 G22
PRECIP AMOUNT 0.54 0.31 0.01 0.00
PRECIP DURATION 10 4 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING 6 AM
PRECIP END CONTINUING CONTINUING 11 PM 2 PM
MIXING HGT(M-AGL/MSL) 650 920
MIXING HGT(FT-AGL/MSL) 2140 3000
TRANSPORT WND (KTS) NE 17 NE 17
TRANSPORT WND (M/S) NE 9 NE 9
TRANSPORT WND (MPH) NE 20 NE 20
VENT RATE (KT-FT) 36380 51000
VENT RATE (M/S-M) 5850 8280
VENT RATE (MPH-FT) 42800 60000
DISPERSION 3 4
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 15 GEN POOR 15 GEN POOR 10 POOR
ADI LATE 18 GEN POOR VERY POOR 14 GEN POOR 10 POOR
MAX LVORI EARLY 6 8 4 8
MAX LVORI LATE 5 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ028-210815-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 80 70 30 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 54 (-12) 65 (-7) 52 67
RH % (24H TREND) 93 (-7) 70 (-14) 96 74
20FT WND-VAL/AM(MPH) NE 12 G20 NE 11 G18
20FT WND-RDG/PM(MPH) NE 12 NE 13 G22 NE 13 G20 NE 13
PRECIP AMOUNT 0.41 0.29 0.01 0.00
PRECIP DURATION 10 4 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 660 880
MIXING HGT(FT-AGL/MSL) 2170 2890
TRANSPORT WND (KTS) E 19 NE 16
TRANSPORT WND (M/S) E 10 NE 8
TRANSPORT WND (MPH) E 22 NE 18
VENT RATE (KT-FT) 41230 46240
VENT RATE (M/S-M) 6600 7040
VENT RATE (MPH-FT) 47740 52020
DISPERSION 3 3
SUNSHINE HOURS 3 4
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 19 GEN POOR 18 GEN POOR 15 GEN POOR 21 FAIR
ADI LATE 16 GEN POOR VERY POOR 14 GEN POOR 21 FAIR
MAX LVORI EARLY 6 7 4 8
MAX LVORI LATE 5 5 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ036-210815-
MARION-
INCLUDING THE CITY OF MARION
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 90 80 20 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 55 (-12) 66 (-8) 52 68
RH % (24H TREND) 97 (-3) 71 (-14) 95 76
20FT WND-VAL/AM(MPH) NE 11 G19 NE 10
20FT WND-RDG/PM(MPH) NE 11 NE 12 G20 NE 12 G19 NE 12
PRECIP AMOUNT 0.47 0.45 0.01 0.00
PRECIP DURATION 10 4 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 640 920
MIXING HGT(FT-AGL/MSL) 2090 3010
TRANSPORT WND (KTS) NE 17 NE 15
TRANSPORT WND (M/S) NE 9 NE 8
TRANSPORT WND (MPH) NE 20 NE 17
VENT RATE (KT-FT) 35530 45150
VENT RATE (M/S-M) 5760 7360
VENT RATE (MPH-FT) 41800 51170
DISPERSION 3 3
SUNSHINE HOURS 2 4
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 20 GEN POOR 16 GEN POOR 15 GEN POOR 10 POOR
ADI LATE 16 GEN POOR VERY POOR 13 GEN POOR 10 POOR
MAX LVORI EARLY 6 9 4 9
MAX LVORI LATE 5 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ037-210815-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 90 80 20 0
CHANCE OF THUNDER (%) 40 20 0 0
TEMP (24H TREND) 54 (-12) 65 (-9) 52 67
RH % (24H TREND) 100 (0) 73 (-13) 97 77
20FT WND-VAL/AM(MPH) NE 12 G19 NE 10
20FT WND-RDG/PM(MPH) NE 10 G18 NE 11 G19 NE 11 G19 NE 11 G18
PRECIP AMOUNT 0.45 0.41 0.01 0.00
PRECIP DURATION 10 5 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 620 870
MIXING HGT(FT-AGL/MSL) 2040 2870
TRANSPORT WND (KTS) E 17 NE 14
TRANSPORT WND (M/S) E 9 NE 7
TRANSPORT WND (MPH) E 20 NE 16
VENT RATE (KT-FT) 34680 40180
VENT RATE (M/S-M) 5580 6090
VENT RATE (MPH-FT) 40800 45920
DISPERSION 3 3
SUNSHINE HOURS 2 4
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 19 GEN POOR 16 GEN POOR 20 GEN POOR 21 FAIR
ADI LATE 16 GEN POOR VERY POOR 14 GEN POOR 21 FAIR
MAX LVORI EARLY 7 9 5 9
MAX LVORI LATE 5 7 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ009-210815-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 60 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-9) 67 (-3) 53 66
RH % (24H TREND) 95 (-5) 74 (-10) 94 79
20FT WND-VAL/AM(MPH) E 14 G22 NE 13 G22
20FT WND-RDG/PM(MPH) NE 13 NE 16 G24 NE 14 G24 NE 16 G23
PRECIP AMOUNT 0.05 0.11 0.04 0.02
PRECIP DURATION 3 3 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 830 850
MIXING HGT(FT-AGL/MSL) 2720 2790
TRANSPORT WND (KTS) E 20 NE 20
TRANSPORT WND (M/S) E 10 NE 10
TRANSPORT WND (MPH) E 23 NE 23
VENT RATE (KT-FT) 54400 55800
VENT RATE (M/S-M) 8300 8500
VENT RATE (MPH-FT) 62560 64170
DISPERSION 4 4
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 17 GEN POOR 30 FAIR 20 GEN POOR
ADI LATE 16 GEN POOR VERY POOR 23 FAIR 20 GEN POOR
MAX LVORI EARLY 6 6 5 8
MAX LVORI LATE 4 5 4 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ019-210815-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 70 70 40 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 54 (-11) 66 (-5) 52 66
RH % (24H TREND) 93 (-7) 71 (-13) 95 75
20FT WND-VAL/AM(MPH) NE 11 G19 NE 9 G19
20FT WND-RDG/PM(MPH) NE 10 NE 12 G22 NE 11 G22 NE 12 G21
PRECIP AMOUNT 0.17 0.17 0.02 0.00
PRECIP DURATION 6 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 710 870
MIXING HGT(FT-AGL/MSL) 2320 2840
TRANSPORT WND (KTS) NE 19 NE 17
TRANSPORT WND (M/S) NE 10 NE 9
TRANSPORT WND (MPH) NE 22 NE 20
VENT RATE (KT-FT) 44080 48280
VENT RATE (M/S-M) 7100 7830
VENT RATE (MPH-FT) 51040 56800
DISPERSION 3 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 14 GEN POOR 15 GEN POOR 16 GEN POOR 11 POOR
ADI LATE 15 GEN POOR VERY POOR 14 GEN POOR 11 POOR
MAX LVORI EARLY 6 7 4 8
MAX LVORI LATE 5 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ029-210815-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 80 70 20 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 53 (-12) 64 (-8) 51 66
RH % (24H TREND) 98 (-2) 72 (-14) 98 76
20FT WND-VAL/AM(MPH) NE 11 G19 NE 9
20FT WND-RDG/PM(MPH) NE 10 G17 NE 11 G19 NE 10 G18 NE 10
PRECIP AMOUNT 0.35 0.35 0.01 0.00
PRECIP DURATION 9 6 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 650 800
MIXING HGT(FT-AGL/MSL) 2130 2630
TRANSPORT WND (KTS) NE 18 NE 15
TRANSPORT WND (M/S) NE 9 NE 8
TRANSPORT WND (MPH) NE 21 NE 17
VENT RATE (KT-FT) 38340 39450
VENT RATE (M/S-M) 5850 6400
VENT RATE (MPH-FT) 44730 44710
DISPERSION 3 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 18 GEN POOR 15 GEN POOR 21 FAIR 10 POOR
ADI LATE 15 GEN POOR VERY POOR 13 GEN POOR 10 POOR
MAX LVORI EARLY 7 9 4 9
MAX LVORI LATE 5 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ030-210815-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 80 70 20 0
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 52 (-12) 64 (-7) 50 65
RH % (24H TREND) 97 (-3) 75 (-12) 98 80
20FT WND-VAL/AM(MPH) NE 10 G18 NE 8
20FT WND-RDG/PM(MPH) NE 9 NE 10 G18 NE 10 G18 NE 10
PRECIP AMOUNT 0.25 0.33 0.01 0.00
PRECIP DURATION 8 6 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 650 820
MIXING HGT(FT-AGL/MSL) 2150 2700
TRANSPORT WND (KTS) NE 17 NE 15
TRANSPORT WND (M/S) NE 9 NE 8
TRANSPORT WND (MPH) NE 20 NE 17
VENT RATE (KT-FT) 36550 40500
VENT RATE (M/S-M) 5850 6560
VENT RATE (MPH-FT) 43000 45900
DISPERSION 3 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 13 GEN POOR 19 GEN POOR 12 POOR
ADI LATE 13 GEN POOR VERY POOR 15 GEN POOR 12 POOR
MAX LVORI EARLY 6 9 5 9
MAX LVORI LATE 5 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ047-210815-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 90 80 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 54 (-11) 64 (-10) 52 66
RH % (24H TREND) 100 (0) 79 (-9) 99 82
20FT WND-VAL/AM(MPH) NE 10 G17 NE 8
20FT WND-RDG/PM(MPH) NE 7 G17 NE 10 G18 NE 9 G18 NE 9
PRECIP AMOUNT 0.48 0.45 0.00 0.00
PRECIP DURATION 9 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 560 770
MIXING HGT(FT-AGL/MSL) 1840 2510
TRANSPORT WND (KTS) NE 16 NE 14
TRANSPORT WND (M/S) NE 8 NE 7
TRANSPORT WND (MPH) NE 18 NE 16
VENT RATE (KT-FT) 29440 35140
VENT RATE (M/S-M) 4480 5390
VENT RATE (MPH-FT) 33120 40160
DISPERSION 3 3
SUNSHINE HOURS 1 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 17 GEN POOR 14 GEN POOR 18 GEN POOR 10 POOR
ADI LATE 15 GEN POOR VERY POOR 13 GEN POOR 10 POOR
MAX LVORI EARLY 7 10 6 10
MAX LVORI LATE 5 8 6 10
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
OHZ038-210815-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 80 20 10
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 53 (-12) 63 (-10) 52 65
RH % (24H TREND) 100 (0) 78 (-11) 98 83
20FT WND-VAL/AM(MPH) NE 10 G18 NE 9
20FT WND-RDG/PM(MPH) NE 8 NE 10 G19 NE 9 G18 NE 9 G17
PRECIP AMOUNT 0.35 0.50 0.03 0.01
PRECIP DURATION 8 5 0 1
PRECIP BEGIN 6 PM CONTINUING 8 PM 8 AM
PRECIP END CONTINUING 5 PM 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 610 670
MIXING HGT(FT-AGL/MSL) 1990 2210
TRANSPORT WND (KTS) NE 16 NE 14
TRANSPORT WND (M/S) NE 8 NE 7
TRANSPORT WND (MPH) NE 18 NE 16
VENT RATE (KT-FT) 31840 30940
VENT RATE (M/S-M) 4880 4690
VENT RATE (MPH-FT) 35820 35360
DISPERSION 3 3
SUNSHINE HOURS 1 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 13 GEN POOR 18 GEN POOR 10 POOR
ADI LATE 13 GEN POOR VERY POOR 14 GEN POOR 10 POOR
MAX LVORI EARLY 6 10 5 9
MAX LVORI LATE 6 7 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
OHZ031-210815-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 80 80 20 0
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 53 (-12) 64 (-8) 51 65
RH % (24H TREND) 96 (-4) 74 (-14) 96 81
20FT WND-VAL/AM(MPH) NE 10 G19 NE 9
20FT WND-RDG/PM(MPH) NE 8 NE 11 G20 NE 10 G18 NE 11
PRECIP AMOUNT 0.20 0.32 0.01 0.00
PRECIP DURATION 6 7 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 640 770
MIXING HGT(FT-AGL/MSL) 2110 2540
TRANSPORT WND (KTS) NE 16 NE 16
TRANSPORT WND (M/S) NE 8 NE 8
TRANSPORT WND (MPH) NE 18 NE 18
VENT RATE (KT-FT) 33760 40640
VENT RATE (M/S-M) 5120 6160
VENT RATE (MPH-FT) 37980 45720
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 13 GEN POOR 13 GEN POOR 18 GEN POOR 11 POOR
ADI LATE 13 GEN POOR VERY POOR 14 GEN POOR 11 POOR
MAX LVORI EARLY 6 8 4 9
MAX LVORI LATE 5 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ020-210815-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 70 20 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-11) 65 (-6) 51 66
RH % (24H TREND) 93 (-7) 71 (-15) 95 76
20FT WND-VAL/AM(MPH) NE 9 G18 NE 9 G17
20FT WND-RDG/PM(MPH) NE 8 NE 11 G19 NE 10 G18 NE 11 G19
PRECIP AMOUNT 0.09 0.17 0.02 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 660 820
MIXING HGT(FT-AGL/MSL) 2170 2680
TRANSPORT WND (KTS) E 17 E 16
TRANSPORT WND (M/S) E 9 E 8
TRANSPORT WND (MPH) E 20 E 18
VENT RATE (KT-FT) 36890 42880
VENT RATE (M/S-M) 5940 6560
VENT RATE (MPH-FT) 43400 48240
DISPERSION 3 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 12 POOR 12 POOR 18 GEN POOR 13 GEN POOR
ADI LATE 13 GEN POOR VERY POOR 18 GEN POOR 13 GEN POOR
MAX LVORI EARLY 6 7 4 8
MAX LVORI LATE 5 5 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ010-210815-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 50 50 30 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-10) 66 (-4) 51 66
RH % (24H TREND) 93 (-7) 71 (-15) 96 75
20FT WND-VAL/AM(MPH) NE 11 G18 NE 11 G19
20FT WND-RDG/PM(MPH) NE 10 NE 13 G23 NE 12 G23 NE 13 G22
PRECIP AMOUNT 0.05 0.12 0.02 0.00
PRECIP DURATION 2 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 820 820
MIXING HGT(FT-AGL/MSL) 2700 2710
TRANSPORT WND (KTS) E 17 NE 16
TRANSPORT WND (M/S) E 9 NE 8
TRANSPORT WND (MPH) E 20 NE 18
VENT RATE (KT-FT) 45900 43360
VENT RATE (M/S-M) 7380 6560
VENT RATE (MPH-FT) 54000 48780
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 14 GEN POOR 13 GEN POOR 20 GEN POOR 13 GEN POOR
ADI LATE 13 GEN POOR VERY POOR 18 GEN POOR 13 GEN POOR
MAX LVORI EARLY 6 7 4 9
MAX LVORI LATE 5 4 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ011-210815-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 40 20 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-9) 67 (-3) 52 66
RH % (24H TREND) 91 (-9) 66 (-19) 91 73
20FT WND-VAL/AM(MPH) NE 10 G18 NE 10 G18
20FT WND-RDG/PM(MPH) NE 8 NE 12 G22 NE 11 G22 NE 12 G21
PRECIP AMOUNT 0.01 0.05 0.02 0.00
PRECIP DURATION 1 2 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 930 780
MIXING HGT(FT-AGL/MSL) 3040 2570
TRANSPORT WND (KTS) E 17 E 15
TRANSPORT WND (M/S) E 9 E 8
TRANSPORT WND (MPH) E 20 E 17
VENT RATE (KT-FT) 51680 38550
VENT RATE (M/S-M) 8370 6240
VENT RATE (MPH-FT) 60800 43690
DISPERSION 4 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 12 POOR 12 POOR 18 GEN POOR 13 GEN POOR
ADI LATE 13 GEN POOR VERY POOR 20 GEN POOR 13 GEN POOR
MAX LVORI EARLY 6 6 4 7
MAX LVORI LATE 4 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ012-210815-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 20 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-8) 66 (-3) 52 65
RH % (24H TREND) 88 (-12) 68 (-16) 92 76
20FT WND-VAL/AM(MPH) E 12 NE 13
20FT WND-RDG/PM(MPH) NE 9 NE 15 NE 14 G21 E 15
PRECIP AMOUNT 0.01 0.01 0.00 0.00
PRECIP DURATION 0 1 1
PRECIP BEGIN 6 PM 8 AM CONTINUING
PRECIP END 10 PM CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 980 850
MIXING HGT(FT-AGL/MSL) 3210 2780
TRANSPORT WND (KTS) E 17 E 16
TRANSPORT WND (M/S) E 9 E 8
TRANSPORT WND (MPH) E 20 E 18
VENT RATE (KT-FT) 54570 44480
VENT RATE (M/S-M) 8820 6800
VENT RATE (MPH-FT) 64200 50040
DISPERSION 4 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 13 GEN POOR 15 GEN POOR 22 FAIR 17 GEN POOR
ADI LATE 15 GEN POOR VERY POOR 22 FAIR 17 GEN POOR
MAX LVORI EARLY 6 6 4 7
MAX LVORI LATE 4 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS 66 TO 72. NORTHEAST WINDS UP TO 10 MPH.
OHZ013-210815-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 40 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-10) 65 (-4) 50 64
RH % (24H TREND) 91 (-9) 69 (-15) 94 78
20FT WND-VAL/AM(MPH) NE 9 G17 NE 9 G17
20FT WND-RDG/PM(MPH) NE 7 NE 10 G18 NE 10 G17 E 11 G18
PRECIP AMOUNT 0.00 0.04 0.02 0.00
PRECIP DURATION 2 1 0
PRECIP BEGIN 6 AM CONTINUING 2 PM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 880 750
MIXING HGT(FT-AGL/MSL) 2880 2470
TRANSPORT WND (KTS) E 16 E 15
TRANSPORT WND (M/S) E 8 E 8
TRANSPORT WND (MPH) E 18 E 17
VENT RATE (KT-FT) 46080 37050
VENT RATE (M/S-M) 7040 6000
VENT RATE (MPH-FT) 51840 41990
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 12 POOR 12 POOR 15 GEN POOR 11 POOR
ADI LATE 12 POOR VERY POOR 14 GEN POOR 11 POOR
MAX LVORI EARLY 6 6 4 8
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
NORTHEAST WINDS AROUND 5 MPH.
OHZ021-210815-
SUMMIT-
INCLUDING THE CITY OF AKRON
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 70 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-10) 65 (-6) 52 65
RH % (24H TREND) 94 (-6) 68 (-19) 95 78
20FT WND-VAL/AM(MPH) NE 9 G19 NE 9 G17
20FT WND-RDG/PM(MPH) NE 7 NE 10 G19 NE 9 G17 NE 10 G19
PRECIP AMOUNT 0.05 0.15 0.02 0.00
PRECIP DURATION 2 4 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 700 760
MIXING HGT(FT-AGL/MSL) 2280 2500
TRANSPORT WND (KTS) E 17 E 15
TRANSPORT WND (M/S) E 9 E 8
TRANSPORT WND (MPH) E 20 E 17
VENT RATE (KT-FT) 38760 37500
VENT RATE (M/S-M) 6300 6080
VENT RATE (MPH-FT) 45600 42500
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 12 POOR 12 POOR 18 GEN POOR 13 GEN POOR
ADI LATE 12 POOR VERY POOR 18 GEN POOR 13 GEN POOR
MAX LVORI EARLY 6 7 4 8
MAX LVORI LATE 5 5 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH.
OHZ022-210815-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 70 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-10) 65 (-6) 51 65
RH % (24H TREND) 90 (-10) 66 (-17) 94 77
20FT WND-VAL/AM(MPH) NE 9 G18 NE 9 G17
20FT WND-RDG/PM(MPH) NE 7 NE 9 G18 NE 9 G17 NE 10 G19
PRECIP AMOUNT 0.02 0.12 0.05 0.02
PRECIP DURATION 1 3 1 2
PRECIP BEGIN 8 PM CONTINUING CONTINUING 7 AM
PRECIP END CONTINUING CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 630 700
MIXING HGT(FT-AGL/MSL) 2060 2280
TRANSPORT WND (KTS) E 16 E 14
TRANSPORT WND (M/S) E 8 E 7
TRANSPORT WND (MPH) E 18 E 16
VENT RATE (KT-FT) 32960 31920
VENT RATE (M/S-M) 5040 4900
VENT RATE (MPH-FT) 37080 36480
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 13 GEN POOR 12 POOR 14 GEN POOR 10 POOR
ADI LATE 12 POOR VERY POOR 19 GEN POOR 10 POOR
MAX LVORI EARLY 5 6 4 8
MAX LVORI LATE 5 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ032-210815-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 80 30 30
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 54 (-11) 64 (-8) 53 65
RH % (24H TREND) 94 (-6) 74 (-14) 95 83
20FT WND-VAL/AM(MPH) NE 10 G19 NE 10 G17
20FT WND-RDG/PM(MPH) NE 8 NE 11 G19 NE 10 G18 NE 11 G19
PRECIP AMOUNT 0.14 0.36 0.06 0.04
PRECIP DURATION 4 6 1 2
PRECIP BEGIN 6 PM CONTINUING 8 PM 7 AM
PRECIP END CONTINUING 6 PM 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 600 670
MIXING HGT(FT-AGL/MSL) 1980 2200
TRANSPORT WND (KTS) NE 16 E 15
TRANSPORT WND (M/S) NE 8 E 8
TRANSPORT WND (MPH) NE 18 E 17
VENT RATE (KT-FT) 31680 33000
VENT RATE (M/S-M) 4800 5360
VENT RATE (MPH-FT) 35640 37400
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 13 GEN POOR 13 GEN POOR 17 GEN POOR 10 POOR
ADI LATE 13 GEN POOR VERY POOR 18 GEN POOR 10 POOR
MAX LVORI EARLY 6 8 5 8
MAX LVORI LATE 5 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ033-210815-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 80 40 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-10) 65 (-6) 53 64
RH % (24H TREND) 93 (-7) 66 (-18) 95 79
20FT WND-VAL/AM(MPH) NE 8 G17 NE 8
20FT WND-RDG/PM(MPH) NE 6 E 9 NE 8 G17 E 10 G18
PRECIP AMOUNT 0.05 0.18 0.09 0.07
PRECIP DURATION 1 6 2 2
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 630 680
MIXING HGT(FT-AGL/MSL) 2050 2230
TRANSPORT WND (KTS) E 16 E 14
TRANSPORT WND (M/S) E 8 E 7
TRANSPORT WND (MPH) E 18 E 16
VENT RATE (KT-FT) 32800 31220
VENT RATE (M/S-M) 5040 4760
VENT RATE (MPH-FT) 36900 35680
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 12 POOR 11 POOR 13 GEN POOR 13 GEN POOR
ADI LATE 11 POOR VERY POOR 18 GEN POOR 13 GEN POOR
MAX LVORI EARLY 6 6 4 8
MAX LVORI LATE 6 5 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ023-210815-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 50 30 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-10) 66 (-4) 51 65
RH % (24H TREND) 90 (-10) 64 (-16) 93 78
20FT WND-VAL/AM(MPH) NE 8 NE 8
20FT WND-RDG/PM(MPH) NE 6 E 9 NE 9 E 10 G17
PRECIP AMOUNT 0.00 0.06 0.06 0.02
PRECIP DURATION 3 1 2
PRECIP BEGIN 6 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 740 710
MIXING HGT(FT-AGL/MSL) 2420 2340
TRANSPORT WND (KTS) E 14 E 13
TRANSPORT WND (M/S) E 7 E 7
TRANSPORT WND (MPH) E 16 E 15
VENT RATE (KT-FT) 33880 30420
VENT RATE (M/S-M) 5180 4970
VENT RATE (MPH-FT) 38720 35100
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 10 POOR 10 POOR 12 POOR 10 POOR
ADI LATE 11 POOR VERY POOR 13 GEN POOR 10 POOR
MAX LVORI EARLY 5 6 4 8
MAX LVORI LATE 5 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
OHZ014-210815-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-9) 66 (-3) 49 64
RH % (24H TREND) 90 (-10) 64 (-18) 94 74
20FT WND-VAL/AM(MPH) NE 9 NE 10
20FT WND-RDG/PM(MPH) NE 7 NE 12 NE 11 E 12
PRECIP AMOUNT 0.00 0.01 0.01 0.00
PRECIP DURATION 1 1 0
PRECIP BEGIN 8 AM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 970 810
MIXING HGT(FT-AGL/MSL) 3180 2670
TRANSPORT WND (KTS) E 16 E 15
TRANSPORT WND (M/S) E 8 E 8
TRANSPORT WND (MPH) E 18 E 17
VENT RATE (KT-FT) 50880 40050
VENT RATE (M/S-M) 7760 6480
VENT RATE (MPH-FT) 57240 45390
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 11 POOR 12 POOR 13 GEN POOR 11 POOR
ADI LATE 11 POOR VERY POOR 14 GEN POOR 11 POOR
MAX LVORI EARLY 5 6 4 8
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS 66 TO 72. NORTH WINDS UP TO 10 MPH.
OHZ089-210815-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-7) 66 (-3) 51 65
RH % (24H TREND) 87 (-13) 67 (-12) 93 74
20FT WND-VAL/AM(MPH) E 14 NE 13
20FT WND-RDG/PM(MPH) NE 11 NE 15 NE 14 E 15
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 880
MIXING HGT(FT-AGL/MSL) 3220 2880
TRANSPORT WND (KTS) E 18 E 17
TRANSPORT WND (M/S) E 9 E 9
TRANSPORT WND (MPH) E 21 E 20
VENT RATE (KT-FT) 57960 48960
VENT RATE (M/S-M) 8820 7920
VENT RATE (MPH-FT) 67620 57600
DISPERSION 4 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 15 GEN POOR 15 GEN POOR 25 FAIR 18 GEN POOR
ADI LATE 15 GEN POOR VERY POOR 22 FAIR 18 GEN POOR
MAX LVORI EARLY 5 6 4 7
MAX LVORI LATE 4 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS 66 TO 71. NORTHEAST WINDS 5 TO 10 MPH.
PAZ001-210815-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 0 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-9) 66 (-1) 50 65
RH % (24H TREND) 86 (-14) 60 (-11) 87 67
20FT WND-VAL/AM(MPH) NE 14 NE 11
20FT WND-RDG/PM(MPH) NE 11 NE 13 NE 12 NE 12
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 930 910
MIXING HGT(FT-AGL/MSL) 3040 2980
TRANSPORT WND (KTS) E 17 E 17
TRANSPORT WND (M/S) E 9 E 9
TRANSPORT WND (MPH) E 20 E 20
VENT RATE (KT-FT) 51680 50660
VENT RATE (M/S-M) 8370 8190
VENT RATE (MPH-FT) 60800 59600
DISPERSION 4 4
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 14 GEN POOR 15 GEN POOR 22 FAIR 15 GEN POOR
ADI LATE 14 GEN POOR VERY POOR 22 FAIR 15 GEN POOR
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 4 4 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS 65 TO 70. NORTHEAST WINDS 5 TO 10 MPH.
PAZ002-210815-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-12) 65 (-1) 46 64
RH % (24H TREND) 94 (-6) 62 (-21) 97 71
20FT WND-VAL/AM(MPH) NE 10 NE 8
20FT WND-RDG/PM(MPH) NE 8 NE 9 G17 NE 8 E 9 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 920 960
MIXING HGT(FT-AGL/MSL) 3000 3150
TRANSPORT WND (KTS) E 16 E 15
TRANSPORT WND (M/S) E 8 E 8
TRANSPORT WND (MPH) E 18 E 17
VENT RATE (KT-FT) 48000 47250
VENT RATE (M/S-M) 7360 7680
VENT RATE (MPH-FT) 54000 53550
DISPERSION 3 3
SUNSHINE HOURS 2 3
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 11 POOR 12 POOR 13 GEN POOR 11 POOR
ADI LATE 11 POOR VERY POOR 14 GEN POOR 11 POOR
MAX LVORI EARLY 5 7 4 8
MAX LVORI LATE 5 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS 64 TO 70. NORTHEAST WINDS AROUND 5 MPH.
PAZ003-210815-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
256 PM EDT SUN SEP 20 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-11) 65 (-3) 47 63
RH % (24H TREND) 92 (-8) 65 (-21) 99 78
20FT WND-VAL/AM(MPH) NE 8 NE 9
20FT WND-RDG/PM(MPH) NE 6 E 9 NE 8 E 10 G17
PRECIP AMOUNT 0.00 0.01 0.03 0.01
PRECIP DURATION 1 1 2
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 830 820
MIXING HGT(FT-AGL/MSL) 2720 2690
TRANSPORT WND (KTS) E 13 E 15
TRANSPORT WND (M/S) E 7 E 8
TRANSPORT WND (MPH) E 15 E 17
VENT RATE (KT-FT) 35360 40350
VENT RATE (M/S-M) 5810 6560
VENT RATE (MPH-FT) 40800 45730
DISPERSION 3 3
SUNSHINE HOURS 2 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 10 POOR 11 POOR 12 POOR 11 POOR
ADI LATE 11 POOR VERY POOR 13 GEN POOR 11 POOR
MAX LVORI EARLY 6 6 4 9
MAX LVORI LATE 4 4 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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