242
FNUS51 KCLE 181828
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
228 PM EDT TUE AUG 18 2026
DISCUSSION
HIGH PRESSURE WILL PERSIST OVER THE AREA BEFORE A COLD FRONT
APPROACHES FROM THE WEST LATE TONIGHT INTO WEDNESDAY. THIS BOUNDARY
WILL PUSH ACROSS THE AREA LATE WEDNESDAY BEFORE HIGH PRESSURE
RETURNS ON THURSDAY AND FRIDAY. ANOTHER LOW PRESSURE WILL IMPACT THE
AREA THIS WEEKEND.
OHZ003-190815-
LUCAS-
INCLUDING THE CITY OF TOLEDO
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 40 30 0 0
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 64 (+4) 80 (-1) 59 79
RH % (24H TREND) 97 (0) 61 (+8) 95 46
20FT WND-VAL/AM(MPH) W 6 LGT/VAR
20FT WND-RDG/PM(MPH) SW 6 W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.03 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1280 1940
MIXING HGT(FT-AGL/MSL) 4210 6380
TRANSPORT WND (KTS) W 9 NE 8
TRANSPORT WND (M/S) W 5 NE 4
TRANSPORT WND (MPH) W 10 NE 9
VENT RATE (KT-FT) 37890 51040
VENT RATE (M/S-M) 6400 7760
VENT RATE (MPH-FT) 42100 57420
DISPERSION 3 3
SUNSHINE HOURS 5 11
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 54 GEN GOOD 21 FAIR 21 FAIR 47 GEN GOOD
ADI LATE 9 POOR 46 GEN GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 4 6 5 6
MAX LVORI LATE 6 3 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
OHZ006-190815-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 64 (+4) 80 (-1) 60 79
RH % (24H TREND) 96 (-3) 65 (+11) 96 51
20FT WND-VAL/AM(MPH) W 7 LGT/VAR
20FT WND-RDG/PM(MPH) SW 6 W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.04 0.01 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 1150 1820
MIXING HGT(FT-AGL/MSL) 3780 5970
TRANSPORT WND (KTS) W 9 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 10 NE 10
VENT RATE (KT-FT) 34020 53730
VENT RATE (M/S-M) 5750 9100
VENT RATE (MPH-FT) 37800 59700
DISPERSION 3 4
SUNSHINE HOURS 4 10
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 56 GEN GOOD 22 FAIR 19 GEN POOR 40 FAIR
ADI LATE 10 POOR 44 GEN GOOD 4 VERY POOR 70 GOOD
MAX LVORI EARLY 5 6 6 7
MAX LVORI LATE 5 3 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
WEST WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
OHZ007-190815-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 64 (+2) 79 (-2) 62 78
RH % (24H TREND) 97 (+2) 67 (+13) 92 56
20FT WND-VAL/AM(MPH) W 8 LGT/VAR
20FT WND-RDG/PM(MPH) SW 6 NW 6 LGT/VAR NE 6
PRECIP AMOUNT 0.03 0.05 0.08 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 1090 1360
MIXING HGT(FT-AGL/MSL) 3580 4460
TRANSPORT WND (KTS) W 8 NE 10
TRANSPORT WND (M/S) W 4 NE 5
TRANSPORT WND (MPH) W 9 NE 12
VENT RATE (KT-FT) 28640 44600
VENT RATE (M/S-M) 4360 6800
VENT RATE (MPH-FT) 32220 53520
DISPERSION 3 3
SUNSHINE HOURS 5 11
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 43 GEN GOOD 21 FAIR 17 GEN POOR 43 GEN GOOD
ADI LATE 12 POOR 31 FAIR 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 6 6 6
MAX LVORI LATE 5 3 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ008-190815-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 64 (+3) 79 (-2) 61 78
RH % (24H TREND) 94 (-4) 68 (+14) 94 55
20FT WND-VAL/AM(MPH) W 7 LGT/VAR
20FT WND-RDG/PM(MPH) SW 5 W 6 LGT/VAR NE 5
PRECIP AMOUNT 0.03 0.06 0.02 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 3 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1100 1430
MIXING HGT(FT-AGL/MSL) 3610 4690
TRANSPORT WND (KTS) W 9 NE 10
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 10 NE 12
VENT RATE (KT-FT) 32490 46900
VENT RATE (M/S-M) 5500 7150
VENT RATE (MPH-FT) 36100 56280
DISPERSION 3 3
SUNSHINE HOURS 4 10
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 52 GEN GOOD 22 FAIR 17 GEN POOR 29 FAIR
ADI LATE 10 POOR 40 FAIR 3 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 5 5 7 7
MAX LVORI LATE 5 3 7 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTHWEST WINDS AROUND 5 MPH.
OHZ017-190815-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 63 (+4) 78 (-1) 60 78
RH % (24H TREND) 95 (-5) 71 (+11) 99 56
20FT WND-VAL/AM(MPH) W 7 LGT/VAR
20FT WND-RDG/PM(MPH) SW 5 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.06 0.02 0.00
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 1040 1650
MIXING HGT(FT-AGL/MSL) 3410 5420
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 34100 48780
VENT RATE (M/S-M) 5200 8250
VENT RATE (MPH-FT) 40920 54200
DISPERSION 3 4
SUNSHINE HOURS 4 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 45 GEN GOOD 19 GEN POOR 19 GEN POOR 28 FAIR
ADI LATE 9 POOR 33 FAIR 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 6 6 7 9
MAX LVORI LATE 6 3 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ018-190815-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 63 (+3) 79 (-1) 61 78
RH % (24H TREND) 92 (-6) 68 (+14) 95 54
20FT WND-VAL/AM(MPH) SW 7 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 6 LGT/VAR NE 5
PRECIP AMOUNT 0.02 0.07 0.03 0.00
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1030 1420
MIXING HGT(FT-AGL/MSL) 3380 4660
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 33800 41940
VENT RATE (M/S-M) 5150 7100
VENT RATE (MPH-FT) 40560 46600
DISPERSION 3 3
SUNSHINE HOURS 4 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 22 FAIR 17 GEN POOR 27 FAIR
ADI LATE 10 POOR 41 GEN GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 5 5 7 7
MAX LVORI LATE 5 3 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ027-190815-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 62 (+3) 78 (0) 61 78
RH % (24H TREND) 93 (-7) 71 (+12) 98 57
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.06 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 900 1360
MIXING HGT(FT-AGL/MSL) 2960 4470
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 29600 40230
VENT RATE (M/S-M) 4500 6800
VENT RATE (MPH-FT) 35520 44700
DISPERSION 3 3
SUNSHINE HOURS 4 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 31 FAIR 20 GEN POOR 19 GEN POOR 24 FAIR
ADI LATE 7 POOR 29 FAIR 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 6 6 7 9
MAX LVORI LATE 6 3 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
WEST WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ028-190815-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 61 (+2) 78 (0) 60 78
RH % (24H TREND) 96 (-4) 69 (+12) 100 56
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.08 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 870 1180
MIXING HGT(FT-AGL/MSL) 2870 3870
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 28700 34830
VENT RATE (M/S-M) 4350 5900
VENT RATE (MPH-FT) 34440 38700
DISPERSION 3 3
SUNSHINE HOURS 4 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 33 FAIR 19 GEN POOR 21 FAIR 23 FAIR
ADI LATE 7 POOR 38 FAIR 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 6 6 7 9
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
WEST WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ036-190815-
MARION-
INCLUDING THE CITY OF MARION
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 40 0
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 61 (+2) 78 (0) 60 78
RH % (24H TREND) 97 (-3) 72 (+10) 100 61
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.08 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 900 1220
MIXING HGT(FT-AGL/MSL) 2960 4020
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 29600 36180
VENT RATE (M/S-M) 4500 6100
VENT RATE (MPH-FT) 35520 40200
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 28 FAIR 18 GEN POOR 25 FAIR 19 GEN POOR
ADI LATE 6 VERY POOR 37 FAIR 3 VERY POOR 40 FAIR
MAX LVORI EARLY 6 6 8 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
OHZ037-190815-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 40 10
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 60 (+1) 77 (-1) 60 77
RH % (24H TREND) 99 (-1) 74 (+12) 100 61
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.07 0.09 0.01
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 4 AM 6 PM
MIXING HGT(M-AGL/MSL) 880 1180
MIXING HGT(FT-AGL/MSL) 2870 3890
TRANSPORT WND (KTS) W 11 NE 9
TRANSPORT WND (M/S) W 6 NE 5
TRANSPORT WND (MPH) W 13 NE 10
VENT RATE (KT-FT) 31570 35010
VENT RATE (M/S-M) 5280 5900
VENT RATE (MPH-FT) 37310 38900
DISPERSION 3 3
SUNSHINE HOURS 5 7
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 27 FAIR 20 GEN POOR 22 FAIR 15 GEN POOR
ADI LATE 5 VERY POOR 33 FAIR 3 VERY POOR 40 FAIR
MAX LVORI EARLY 6 7 8 10
MAX LVORI LATE 7 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
OHZ009-190815-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 30 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 62 (0) 78 (-2) 60 77
RH % (24H TREND) 95 (+3) 72 (+16) 96 58
20FT WND-VAL/AM(MPH) W 7 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR NW 6 LGT/VAR NE 6
PRECIP AMOUNT 0.02 0.07 0.04 0.00
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 930 1050
MIXING HGT(FT-AGL/MSL) 3050 3460
TRANSPORT WND (KTS) W 9 NE 10
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 10 NE 12
VENT RATE (KT-FT) 27450 34600
VENT RATE (M/S-M) 4650 5250
VENT RATE (MPH-FT) 30500 41520
DISPERSION 3 3
SUNSHINE HOURS 5 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 38 FAIR 25 FAIR 15 GEN POOR 26 FAIR
ADI LATE 8 POOR 27 FAIR 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 5 7 7
MAX LVORI LATE 5 3 7 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN
THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ019-190815-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 61 (+2) 78 (-1) 59 78
RH % (24H TREND) 94 (-4) 69 (+13) 99 55
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 6 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.08 0.04 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 910 1150
MIXING HGT(FT-AGL/MSL) 2990 3780
TRANSPORT WND (KTS) W 10 NE 9
TRANSPORT WND (M/S) W 5 NE 5
TRANSPORT WND (MPH) W 12 NE 10
VENT RATE (KT-FT) 29900 34020
VENT RATE (M/S-M) 4550 5750
VENT RATE (MPH-FT) 35880 37800
DISPERSION 3 3
SUNSHINE HOURS 4 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 39 FAIR 25 FAIR 21 FAIR 26 FAIR
ADI LATE 8 POOR 40 FAIR 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ029-190815-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 40 10
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 59 (+1) 77 (-1) 59 78
RH % (24H TREND) 98 (-2) 69 (+13) 100 56
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.08 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 3 AM 2 PM
MIXING HGT(M-AGL/MSL) 860 1230
MIXING HGT(FT-AGL/MSL) 2830 4040
TRANSPORT WND (KTS) W 11 NE 8
TRANSPORT WND (M/S) W 6 NE 4
TRANSPORT WND (MPH) W 13 NE 9
VENT RATE (KT-FT) 31130 32320
VENT RATE (M/S-M) 5160 4920
VENT RATE (MPH-FT) 36790 36360
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 35 FAIR 22 FAIR 22 FAIR 22 FAIR
ADI LATE 6 VERY POOR 39 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 6 7 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTH WINDS AROUND 5 MPH.
OHZ030-190815-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 40 10
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 59 (+1) 77 (-1) 58 77
RH % (24H TREND) 98 (-2) 70 (+13) 100 58
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.06 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 8 AM CONTINUING 8 AM
PRECIP END CONTINUING 3 AM 2 PM
MIXING HGT(M-AGL/MSL) 890 1220
MIXING HGT(FT-AGL/MSL) 2930 3990
TRANSPORT WND (KTS) W 11 NE 8
TRANSPORT WND (M/S) W 6 NE 4
TRANSPORT WND (MPH) W 13 NE 9
VENT RATE (KT-FT) 32230 31920
VENT RATE (M/S-M) 5340 4880
VENT RATE (MPH-FT) 38090 35910
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 37 FAIR 25 FAIR 23 FAIR 21 FAIR
ADI LATE 5 VERY POOR 42 GEN GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 6 6 8 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTH WINDS AROUND 5 MPH.
OHZ047-190815-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 30
CHANCE OF THUNDER (%) 0 40 40 20
TEMP (24H TREND) 59 (0) 77 (0) 59 77
RH % (24H TREND) 100 (0) 76 (+14) 100 64
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.11 0.04
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM 6 PM
MIXING HGT(M-AGL/MSL) 930 1230
MIXING HGT(FT-AGL/MSL) 3050 4030
TRANSPORT WND (KTS) W 11 NE 9
TRANSPORT WND (M/S) W 6 NE 5
TRANSPORT WND (MPH) W 13 NE 10
VENT RATE (KT-FT) 33550 36270
VENT RATE (M/S-M) 5580 6150
VENT RATE (MPH-FT) 39650 40300
DISPERSION 3 3
SUNSHINE HOURS 6 6
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 24 FAIR 26 FAIR 21 FAIR 15 GEN POOR
ADI LATE 3 VERY POOR 36 FAIR 3 VERY POOR 40 FAIR
MAX LVORI EARLY 7 9 9 10
MAX LVORI LATE 9 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
OHZ038-190815-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 20
CHANCE OF THUNDER (%) 0 40 40 20
TEMP (24H TREND) 59 (+1) 78 (0) 59 77
RH % (24H TREND) 99 (-1) 73 (+15) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.09 0.10 0.01
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 4 AM 6 PM
MIXING HGT(M-AGL/MSL) 920 1210
MIXING HGT(FT-AGL/MSL) 3030 3980
TRANSPORT WND (KTS) W 12 N 9
TRANSPORT WND (M/S) W 6 N 5
TRANSPORT WND (MPH) W 14 N 10
VENT RATE (KT-FT) 36360 35820
VENT RATE (M/S-M) 5520 6050
VENT RATE (MPH-FT) 42420 39800
DISPERSION 3 3
SUNSHINE HOURS 6 7
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 29 FAIR 27 FAIR 24 FAIR 16 GEN POOR
ADI LATE 3 VERY POOR 41 GEN GOOD 3 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 7 8 9 10
MAX LVORI LATE 8 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTH WINDS AROUND 5 MPH.
OHZ031-190815-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 40 20
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 59 (+1) 78 (0) 58 77
RH % (24H TREND) 99 (-1) 72 (+14) 100 59
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.09 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 8 AM CONTINUING 7 AM
PRECIP END CONTINUING 3 AM 6 PM
MIXING HGT(M-AGL/MSL) 900 1170
MIXING HGT(FT-AGL/MSL) 2950 3850
TRANSPORT WND (KTS) W 12 NE 8
TRANSPORT WND (M/S) W 6 NE 4
TRANSPORT WND (MPH) W 14 NE 9
VENT RATE (KT-FT) 35400 30800
VENT RATE (M/S-M) 5400 4680
VENT RATE (MPH-FT) 41300 34650
DISPERSION 3 3
SUNSHINE HOURS 5 7
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 34 FAIR 26 FAIR 22 FAIR 21 FAIR
ADI LATE 4 VERY POOR 39 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 6 7 8 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ020-190815-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 40 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 60 (+2) 78 (-1) 58 78
RH % (24H TREND) 96 (-2) 71 (+14) 100 54
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 8 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.06 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 920 1210
MIXING HGT(FT-AGL/MSL) 3020 3970
TRANSPORT WND (KTS) W 12 NE 7
TRANSPORT WND (M/S) W 6 NE 4
TRANSPORT WND (MPH) W 14 NE 8
VENT RATE (KT-FT) 36240 27790
VENT RATE (M/S-M) 5520 4840
VENT RATE (MPH-FT) 42280 31760
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 27 FAIR 21 FAIR 25 FAIR
ADI LATE 6 VERY POOR 40 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 6 6 8 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ010-190815-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 40 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 61 (+1) 78 (-1) 59 78
RH % (24H TREND) 96 (+1) 71 (+14) 100 55
20FT WND-VAL/AM(MPH) SW 7 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.05 0.04 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 900 1180
MIXING HGT(FT-AGL/MSL) 2970 3860
TRANSPORT WND (KTS) W 10 NE 8
TRANSPORT WND (M/S) W 5 NE 4
TRANSPORT WND (MPH) W 12 NE 9
VENT RATE (KT-FT) 29700 30880
VENT RATE (M/S-M) 4500 4720
VENT RATE (MPH-FT) 35640 34740
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 37 FAIR 26 FAIR 20 GEN POOR 26 FAIR
ADI LATE 7 POOR 37 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 5 8 9
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ011-190815-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 40 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 62 (0) 78 (-2) 60 78
RH % (24H TREND) 92 (+1) 69 (+15) 95 49
20FT WND-VAL/AM(MPH) SW 7 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.05 0.03 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 920 1320
MIXING HGT(FT-AGL/MSL) 3010 4320
TRANSPORT WND (KTS) W 11 NE 9
TRANSPORT WND (M/S) W 6 NE 5
TRANSPORT WND (MPH) W 13 NE 10
VENT RATE (KT-FT) 33110 38880
VENT RATE (M/S-M) 5520 6600
VENT RATE (MPH-FT) 39130 43200
DISPERSION 3 3
SUNSHINE HOURS 5 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 28 FAIR 22 FAIR 26 FAIR
ADI LATE 7 POOR 38 FAIR 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 4 5 6 7
MAX LVORI LATE 5 3 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN
THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ012-190815-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 20 0
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 62 (0) 78 (-2) 59 78
RH % (24H TREND) 92 (+5) 70 (+15) 94 50
20FT WND-VAL/AM(MPH) SW 8 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 8 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.08 0.07 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 870 1190
MIXING HGT(FT-AGL/MSL) 2840 3910
TRANSPORT WND (KTS) W 11 NE 9
TRANSPORT WND (M/S) W 6 NE 5
TRANSPORT WND (MPH) W 13 NE 10
VENT RATE (KT-FT) 31240 35190
VENT RATE (M/S-M) 5220 5950
VENT RATE (MPH-FT) 36920 39100
DISPERSION 3 3
SUNSHINE HOURS 5 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 27 FAIR 31 FAIR 25 FAIR 27 FAIR
ADI LATE 8 POOR 40 FAIR 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 4 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 70S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
OHZ013-190815-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 30 0
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 60 (+1) 78 (-1) 57 78
RH % (24H TREND) 94 (-4) 69 (+18) 99 47
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.05 0.11 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 960 1410
MIXING HGT(FT-AGL/MSL) 3150 4630
TRANSPORT WND (KTS) W 13 NE 10
TRANSPORT WND (M/S) W 7 NE 5
TRANSPORT WND (MPH) W 15 NE 12
VENT RATE (KT-FT) 40950 46300
VENT RATE (M/S-M) 6720 7050
VENT RATE (MPH-FT) 47250 55560
DISPERSION 3 3
SUNSHINE HOURS 6 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 46 GEN GOOD 30 FAIR 21 FAIR 25 FAIR
ADI LATE 6 VERY POOR 45 GEN GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 5 6 7 9
MAX LVORI LATE 6 3 9 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ021-190815-
SUMMIT-
INCLUDING THE CITY OF AKRON
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 50 40 10
CHANCE OF THUNDER (%) 0 30 30 0
TEMP (24H TREND) 61 (+2) 78 (-2) 59 78
RH % (24H TREND) 94 (-4) 70 (+16) 100 51
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.04 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 7 AM CONTINUING 8 AM
PRECIP END CONTINUING 3 AM 2 PM
MIXING HGT(M-AGL/MSL) 1000 1420
MIXING HGT(FT-AGL/MSL) 3260 4660
TRANSPORT WND (KTS) W 13 NE 8
TRANSPORT WND (M/S) W 7 NE 4
TRANSPORT WND (MPH) W 15 NE 9
VENT RATE (KT-FT) 42380 37280
VENT RATE (M/S-M) 7000 5680
VENT RATE (MPH-FT) 48900 41940
DISPERSION 3 3
SUNSHINE HOURS 5 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 43 GEN GOOD 28 FAIR 22 FAIR 26 FAIR
ADI LATE 5 VERY POOR 42 GEN GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ022-190815-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 30 20
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 60 (+2) 78 (-2) 58 78
RH % (24H TREND) 93 (-6) 65 (+14) 100 48
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.03 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 8 AM CONTINUING 8 AM
PRECIP END CONTINUING 4 AM 2 PM
MIXING HGT(M-AGL/MSL) 1030 1440
MIXING HGT(FT-AGL/MSL) 3390 4720
TRANSPORT WND (KTS) W 14 NE 8
TRANSPORT WND (M/S) W 7 NE 4
TRANSPORT WND (MPH) W 16 NE 9
VENT RATE (KT-FT) 47460 37760
VENT RATE (M/S-M) 7210 5760
VENT RATE (MPH-FT) 54240 42480
DISPERSION 3 3
SUNSHINE HOURS 6 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 45 GEN GOOD 29 FAIR 25 FAIR 25 FAIR
ADI LATE 4 VERY POOR 45 GEN GOOD 3 VERY POOR 39 FAIR
MAX LVORI EARLY 5 6 7 10
MAX LVORI LATE 6 3 10 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ032-190815-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 20
CHANCE OF THUNDER (%) 0 40 40 20
TEMP (24H TREND) 60 (+1) 78 (-1) 60 77
RH % (24H TREND) 96 (-3) 70 (+14) 100 57
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.08 0.00
PRECIP DURATION 1 2 1
PRECIP BEGIN 2 PM CONTINUING 6 AM
PRECIP END CONTINUING 5 AM 6 PM
MIXING HGT(M-AGL/MSL) 1050 1220
MIXING HGT(FT-AGL/MSL) 3430 4010
TRANSPORT WND (KTS) W 13 NE 9
TRANSPORT WND (M/S) W 7 NE 5
TRANSPORT WND (MPH) W 15 NE 10
VENT RATE (KT-FT) 44590 36090
VENT RATE (M/S-M) 7350 6100
VENT RATE (MPH-FT) 51450 40100
DISPERSION 3 3
SUNSHINE HOURS 6 7
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 29 FAIR 28 FAIR 25 FAIR 23 FAIR
ADI LATE 4 VERY POOR 37 FAIR 3 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 7 9
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ033-190815-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 30
CHANCE OF THUNDER (%) 0 40 40 20
TEMP (24H TREND) 59 (+1) 79 (0) 59 78
RH % (24H TREND) 94 (-6) 64 (+13) 100 51
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.06 0.00
PRECIP DURATION 1 2 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1130 1320
MIXING HGT(FT-AGL/MSL) 3710 4340
TRANSPORT WND (KTS) W 14 N 9
TRANSPORT WND (M/S) W 7 N 5
TRANSPORT WND (MPH) W 16 N 10
VENT RATE (KT-FT) 51940 39060
VENT RATE (M/S-M) 7910 6600
VENT RATE (MPH-FT) 59360 43400
DISPERSION 3 3
SUNSHINE HOURS 6 7
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 31 FAIR 30 FAIR 29 FAIR 22 FAIR
ADI LATE 4 VERY POOR 41 GEN GOOD 3 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 5 6 8 10
MAX LVORI LATE 6 3 10 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ023-190815-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 30 10
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 59 (+1) 79 (-1) 58 78
RH % (24H TREND) 93 (-7) 64 (+16) 100 46
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.07 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 7 AM CONTINUING 8 AM
PRECIP END CONTINUING 5 AM 2 PM
MIXING HGT(M-AGL/MSL) 1120 1380
MIXING HGT(FT-AGL/MSL) 3680 4540
TRANSPORT WND (KTS) W 14 NE 9
TRANSPORT WND (M/S) W 7 NE 5
TRANSPORT WND (MPH) W 16 NE 10
VENT RATE (KT-FT) 51520 40860
VENT RATE (M/S-M) 7840 6900
VENT RATE (MPH-FT) 58880 45400
DISPERSION 3 3
SUNSHINE HOURS 6 8
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 41 GEN GOOD 29 FAIR 22 FAIR 22 FAIR
ADI LATE 4 VERY POOR 42 GEN GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 7 10
MAX LVORI LATE 6 3 10 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 80. SOUTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO
10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ014-190815-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 40 20 0
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 60 (+1) 78 (-1) 57 78
RH % (24H TREND) 96 (-3) 68 (+16) 100 48
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.10 0.07 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 940 1250
MIXING HGT(FT-AGL/MSL) 3090 4110
TRANSPORT WND (KTS) W 13 NE 9
TRANSPORT WND (M/S) W 7 NE 5
TRANSPORT WND (MPH) W 15 NE 10
VENT RATE (KT-FT) 40170 36990
VENT RATE (M/S-M) 6580 6250
VENT RATE (MPH-FT) 46350 41100
DISPERSION 3 3
SUNSHINE HOURS 6 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 47 GEN GOOD 32 FAIR 31 FAIR 27 FAIR
ADI LATE 6 VERY POOR 38 FAIR 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 6 3 10 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ089-190815-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 0 60 0 0
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 62 (-2) 77 (-2) 59 77
RH % (24H TREND) 93 (+5) 72 (+16) 94 50
20FT WND-VAL/AM(MPH) SW 8 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 9 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.17 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 870 1030
MIXING HGT(FT-AGL/MSL) 2850 3380
TRANSPORT WND (KTS) W 13 NE 9
TRANSPORT WND (M/S) W 7 NE 5
TRANSPORT WND (MPH) W 15 NE 10
VENT RATE (KT-FT) 37050 30420
VENT RATE (M/S-M) 6090 5150
VENT RATE (MPH-FT) 42750 33800
DISPERSION 3 3
SUNSHINE HOURS 6 10
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 33 FAIR 29 FAIR 31 FAIR 32 FAIR
ADI LATE 8 POOR 44 GEN GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
PAZ001-190815-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 60 20 0
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 62 (-2) 77 (-1) 59 77
RH % (24H TREND) 90 (+4) 67 (+15) 90 45
20FT WND-VAL/AM(MPH) SW 8 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 9 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.27 0.02 0.00
PRECIP DURATION 4 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 860 910
MIXING HGT(FT-AGL/MSL) 2820 2970
TRANSPORT WND (KTS) W 12 NE 9
TRANSPORT WND (M/S) W 6 NE 5
TRANSPORT WND (MPH) W 14 NE 10
VENT RATE (KT-FT) 33840 26730
VENT RATE (M/S-M) 5160 4550
VENT RATE (MPH-FT) 39480 29700
DISPERSION 3 3
SUNSHINE HOURS 6 11
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 28 FAIR 25 FAIR 29 FAIR 29 FAIR
ADI LATE 11 POOR 38 FAIR 4 VERY POOR 37 FAIR
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 3 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
PAZ002-190815-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 70 30 0
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 57 (-2) 75 (-1) 55 75
RH % (24H TREND) 95 (-3) 72 (+16) 100 49
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.18 0.02 0.00
PRECIP DURATION 5 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 920 1220
MIXING HGT(FT-AGL/MSL) 3010 3990
TRANSPORT WND (KTS) W 13 N 8
TRANSPORT WND (M/S) W 7 N 4
TRANSPORT WND (MPH) W 15 N 9
VENT RATE (KT-FT) 39130 31920
VENT RATE (M/S-M) 6440 4880
VENT RATE (MPH-FT) 45150 35910
DISPERSION 3 3
SUNSHINE HOURS 6 10
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 34 FAIR 25 FAIR 30 FAIR 28 FAIR
ADI LATE 7 POOR 53 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 6 6 8 9
MAX LVORI LATE 6 3 9 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTH WINDS AROUND 5 MPH.
PAZ003-190815-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
228 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 50 30 0
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 57 (-1) 77 (0) 55 76
RH % (24H TREND) 96 (-4) 72 (+16) 100 51
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.12 0.08 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 950 1410
MIXING HGT(FT-AGL/MSL) 3130 4610
TRANSPORT WND (KTS) W 13 N 9
TRANSPORT WND (M/S) W 7 N 5
TRANSPORT WND (MPH) W 15 N 10
VENT RATE (KT-FT) 40690 41490
VENT RATE (M/S-M) 6650 7050
VENT RATE (MPH-FT) 46950 46100
DISPERSION 3 3
SUNSHINE HOURS 6 9
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 32 FAIR 26 FAIR 26 FAIR 25 FAIR
ADI LATE 4 VERY POOR 49 GEN GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 6 8 10
MAX LVORI LATE 6 3 10 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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