174
FNUS51 KCLE 180638
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
238 AM EDT TUE AUG 18 2026
DISCUSSION
HIGH PRESSURE WILL BUILD OVER THE REGION TODAY BEFORE A COLD FRONT
APPROACHES FROM THE NORTHWEST LATE TONIGHT. THE FRONT WILL MOVE
SOUTH ACROSS THE LOCAL AREA LATE WEDNESDAY WITH HIGH PRESSURE
RETURNING TO THE GREAT LAKES THURSDAY AND FRIDAY. THE NEXT SYSTEM
WILL MOVE ACROSS THE REGION OVER THE WEEKEND. THERE ARE NO FIRE
WEATHER CONCERNS FOR THE NEXT FEW DAYS.
OHZ003-182030-
LUCAS-
INCLUDING THE CITY OF TOLEDO
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 81 (+1) 65 (+3) 79
RH % (24H TREND) 53 (-10) 98 (+1) 63
20FT WND-VAL/AM(MPH) LGT/VAR W 5
20FT WND-RDG/PM(MPH) W 6 SW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1740 1180
MIXING HGT(FT-AGL/MSL) 5700 3870
TRANSPORT WND (KTS) W 10 NW 8
TRANSPORT WND (M/S) W 5 NW 4
TRANSPORT WND (MPH) W 12 NW 9
VENT RATE (KT-FT) 57000 30960
VENT RATE (M/S-M) 8700 4720
VENT RATE (MPH-FT) 68400 34830
DISPERSION 4 3
SUNSHINE HOURS 9 6
RH RECOVERY EXCELLENT
ADI EARLY 29 FAIR 63 GOOD 17 GEN POOR
ADI LATE 72 GOOD 8 POOR 50 GEN GOOD
MAX LVORI EARLY 8 4 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
OHZ006-182030-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 81 (+1) 64 (+2) 79
RH % (24H TREND) 54 (-14) 97 (-2) 68
20FT WND-VAL/AM(MPH) LGT/VAR W 7
20FT WND-RDG/PM(MPH) W 5 SW 6 W 5
PRECIP AMOUNT 0.00 0.04 0.05
PRECIP DURATION 1 2
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1620 1140
MIXING HGT(FT-AGL/MSL) 5330 3750
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 42640 33750
VENT RATE (M/S-M) 6480 5700
VENT RATE (MPH-FT) 47970 37500
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 34 FAIR 62 GOOD 18 GEN POOR
ADI LATE 67 GOOD 10 POOR 35 FAIR
MAX LVORI EARLY 9 4 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. WEST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
OHZ007-182030-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 81 (+2) 64 (0) 78
RH % (24H TREND) 54 (-16) 97 (+2) 69
20FT WND-VAL/AM(MPH) LGT/VAR W 8
20FT WND-RDG/PM(MPH) W 6 SW 6 NW 5
PRECIP AMOUNT 0.00 0.02 0.07
PRECIP DURATION 1 2
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1670 1130
MIXING HGT(FT-AGL/MSL) 5480 3720
TRANSPORT WND (KTS) W 9 W 8
TRANSPORT WND (M/S) W 5 W 4
TRANSPORT WND (MPH) W 10 W 9
VENT RATE (KT-FT) 49320 29760
VENT RATE (M/S-M) 8350 4520
VENT RATE (MPH-FT) 54800 33480
DISPERSION 4 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 32 FAIR 46 GEN GOOD 19 GEN POOR
ADI LATE 62 GOOD 11 POOR 30 FAIR
MAX LVORI EARLY 7 4 6
MAX LVORI LATE 2 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 80.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
WEST WINDS 5 TO 10 MPH.
OHZ008-182030-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 81 (+2) 64 (+1) 78
RH % (24H TREND) 56 (-16) 96 (-2) 71
20FT WND-VAL/AM(MPH) LGT/VAR W 6
20FT WND-RDG/PM(MPH) W 5 SW 5 W 5
PRECIP AMOUNT 0.00 0.02 0.06
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1640 1100
MIXING HGT(FT-AGL/MSL) 5390 3600
TRANSPORT WND (KTS) W 9 W 9
TRANSPORT WND (M/S) W 5 W 5
TRANSPORT WND (MPH) W 10 W 10
VENT RATE (KT-FT) 48510 32400
VENT RATE (M/S-M) 8200 5500
VENT RATE (MPH-FT) 53900 36000
DISPERSION 4 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 34 FAIR 53 GEN GOOD 20 GEN POOR
ADI LATE 64 GOOD 10 POOR 26 FAIR
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 2 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
OHZ017-182030-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (0) 63 (+2) 77
RH % (24H TREND) 60 (-15) 98 (-2) 74
20FT WND-VAL/AM(MPH) LGT/VAR W 7
20FT WND-RDG/PM(MPH) W 5 SW 5 W 6
PRECIP AMOUNT 0.00 0.01 0.05
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1530 1020
MIXING HGT(FT-AGL/MSL) 5020 3360
TRANSPORT WND (KTS) W 7 W 8
TRANSPORT WND (M/S) W 4 W 4
TRANSPORT WND (MPH) W 8 W 9
VENT RATE (KT-FT) 35140 26880
VENT RATE (M/S-M) 6120 4080
VENT RATE (MPH-FT) 40160 30240
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 31 FAIR 45 GEN GOOD 18 GEN POOR
ADI LATE 52 GEN GOOD 9 POOR 26 FAIR
MAX LVORI EARLY 10 6 6
MAX LVORI LATE 3 6 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE UPPER 70S. WEST WINDS 5 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 UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ018-182030-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 80 (+1) 63 (+1) 78
RH % (24H TREND) 55 (-19) 94 (-4) 70
20FT WND-VAL/AM(MPH) LGT/VAR SW 7
20FT WND-RDG/PM(MPH) W 5 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.01 0.08
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1530 1010
MIXING HGT(FT-AGL/MSL) 5010 3320
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 40080 29880
VENT RATE (M/S-M) 6120 5050
VENT RATE (MPH-FT) 45090 33200
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 29 FAIR 43 GEN GOOD 19 GEN POOR
ADI LATE 55 GEN GOOD 10 POOR 26 FAIR
MAX LVORI EARLY 9 6 6
MAX LVORI LATE 2 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
OHZ027-182030-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 78 (-2) 62 (+1) 77
RH % (24H TREND) 59 (-17) 96 (-4) 73
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1420 940
MIXING HGT(FT-AGL/MSL) 4650 3070
TRANSPORT WND (KTS) W 7 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 32550 27630
VENT RATE (M/S-M) 5680 4700
VENT RATE (MPH-FT) 37200 30700
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 27 FAIR 35 FAIR 18 GEN POOR
ADI LATE 47 GEN GOOD 7 POOR 25 FAIR
MAX LVORI EARLY 10 6 6
MAX LVORI LATE 3 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND 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 UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ028-182030-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 78 (-1) 61 (0) 77
RH % (24H TREND) 57 (-18) 99 (-1) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1420 850
MIXING HGT(FT-AGL/MSL) 4650 2800
TRANSPORT WND (KTS) W 6 W 9
TRANSPORT WND (M/S) W 3 W 5
TRANSPORT WND (MPH) W 7 W 10
VENT RATE (KT-FT) 27900 25200
VENT RATE (M/S-M) 4260 4250
VENT RATE (MPH-FT) 32550 28000
DISPERSION 3 3
SUNSHINE HOURS 8 4
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 41 GEN GOOD 17 GEN POOR
ADI LATE 47 GEN GOOD 7 POOR 26 FAIR
MAX LVORI EARLY 10 6 7
MAX LVORI LATE 3 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND 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.
OHZ036-182030-
MARION-
INCLUDING THE CITY OF MARION
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 78 (-2) 61 (0) 77
RH % (24H TREND) 60 (-18) 98 (-2) 75
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1410 890
MIXING HGT(FT-AGL/MSL) 4630 2920
TRANSPORT WND (KTS) W 6 W 8
TRANSPORT WND (M/S) W 3 W 4
TRANSPORT WND (MPH) W 7 W 9
VENT RATE (KT-FT) 27780 23360
VENT RATE (M/S-M) 4230 3560
VENT RATE (MPH-FT) 32410 26280
DISPERSION 3 2
SUNSHINE HOURS 8 4
RH RECOVERY EXCELLENT
ADI EARLY 22 FAIR 31 FAIR 18 GEN POOR
ADI LATE 40 FAIR 6 VERY POOR 25 FAIR
MAX LVORI EARLY 10 6 7
MAX LVORI LATE 3 7 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND 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.
OHZ037-182030-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-1) 60 (-1) 76
RH % (24H TREND) 61 (-19) 100 (0) 76
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1440 810
MIXING HGT(FT-AGL/MSL) 4720 2660
TRANSPORT WND (KTS) W 6 W 9
TRANSPORT WND (M/S) W 3 W 5
TRANSPORT WND (MPH) W 7 W 10
VENT RATE (KT-FT) 28320 23940
VENT RATE (M/S-M) 4320 4050
VENT RATE (MPH-FT) 33040 26600
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 18 GEN POOR 35 FAIR 20 GEN POOR
ADI LATE 42 GEN GOOD 6 VERY POOR 24 FAIR
MAX LVORI EARLY 10 6 9
MAX LVORI LATE 3 8 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST 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.
OHZ009-182030-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 80 (+2) 62 (-2) 77
RH % (24H TREND) 56 (-19) 97 (+5) 74
20FT WND-VAL/AM(MPH) LGT/VAR SW 7
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1480 980
MIXING HGT(FT-AGL/MSL) 4860 3220
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 38880 28980
VENT RATE (M/S-M) 5920 4900
VENT RATE (MPH-FT) 43740 32200
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 29 FAIR 40 FAIR 22 FAIR
ADI LATE 52 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 3 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ019-182030-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (+1) 62 (+1) 78
RH % (24H TREND) 56 (-19) 97 (-1) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.01 0.09
PRECIP DURATION 0 3
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1430 890
MIXING HGT(FT-AGL/MSL) 4710 2930
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 37680 26370
VENT RATE (M/S-M) 5720 4450
VENT RATE (MPH-FT) 42390 29300
DISPERSION 3 3
SUNSHINE HOURS 8 4
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 46 GEN GOOD 21 FAIR
ADI LATE 53 GEN GOOD 8 POOR 26 FAIR
MAX LVORI EARLY 9 6 6
MAX LVORI LATE 3 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 60. HIGHS
IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND 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
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ029-182030-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-1) 60 (0) 77
RH % (24H TREND) 57 (-19) 100 (0) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1570 810
MIXING HGT(FT-AGL/MSL) 5140 2660
TRANSPORT WND (KTS) W 7 W 10
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 8 W 12
VENT RATE (KT-FT) 35980 26600
VENT RATE (M/S-M) 6280 4050
VENT RATE (MPH-FT) 41120 31920
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 41 GEN GOOD 20 GEN POOR
ADI LATE 49 GEN GOOD 7 POOR 26 FAIR
MAX LVORI EARLY 10 6 7
MAX LVORI LATE 3 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ030-182030-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (0) 60 (0) 77
RH % (24H TREND) 59 (-18) 100 (0) 72
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1620 820
MIXING HGT(FT-AGL/MSL) 5310 2690
TRANSPORT WND (KTS) W 7 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 37170 24210
VENT RATE (M/S-M) 6480 4100
VENT RATE (MPH-FT) 42480 26900
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 25 FAIR 42 GEN GOOD 22 FAIR
ADI LATE 53 GEN GOOD 6 VERY POOR 24 FAIR
MAX LVORI EARLY 10 6 8
MAX LVORI LATE 3 7 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND 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. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ047-182030-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (-2) 59 (-2) 76
RH % (24H TREND) 62 (-20) 100 (0) 77
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1570 840
MIXING HGT(FT-AGL/MSL) 5150 2770
TRANSPORT WND (KTS) W 6 W 9
TRANSPORT WND (M/S) W 3 W 5
TRANSPORT WND (MPH) W 7 W 10
VENT RATE (KT-FT) 30900 24930
VENT RATE (M/S-M) 4710 4200
VENT RATE (MPH-FT) 36050 27700
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 17 GEN POOR 31 FAIR 28 FAIR
ADI LATE 43 GEN GOOD 4 VERY POOR 25 FAIR
MAX LVORI EARLY 10 7 9
MAX LVORI LATE 3 9 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST 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.
OHZ038-182030-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-1) 59 (-1) 77
RH % (24H TREND) 58 (-22) 100 (0) 74
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1610 830
MIXING HGT(FT-AGL/MSL) 5270 2720
TRANSPORT WND (KTS) NW 5 W 9
TRANSPORT WND (M/S) NW 3 W 5
TRANSPORT WND (MPH) NW 6 W 10
VENT RATE (KT-FT) 26350 24480
VENT RATE (M/S-M) 4830 4150
VENT RATE (MPH-FT) 31620 27200
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 32 FAIR 32 FAIR
ADI LATE 46 GEN GOOD 4 VERY POOR 24 FAIR
MAX LVORI EARLY 10 7 9
MAX LVORI LATE 3 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. 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
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ031-182030-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-1) 60 (0) 77
RH % (24H TREND) 59 (-18) 99 (-1) 73
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1620 810
MIXING HGT(FT-AGL/MSL) 5320 2640
TRANSPORT WND (KTS) W 7 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 37240 23760
VENT RATE (M/S-M) 6480 4050
VENT RATE (MPH-FT) 42560 26400
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 41 GEN GOOD 28 FAIR
ADI LATE 50 GEN GOOD 5 VERY POOR 25 FAIR
MAX LVORI EARLY 10 6 8
MAX LVORI LATE 3 7 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND 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
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
OHZ020-182030-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (+1) 60 (0) 77
RH % (24H TREND) 56 (-19) 99 (+1) 73
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1620 860
MIXING HGT(FT-AGL/MSL) 5310 2820
TRANSPORT WND (KTS) W 7 W 8
TRANSPORT WND (M/S) W 4 W 4
TRANSPORT WND (MPH) W 8 W 9
VENT RATE (KT-FT) 37170 22560
VENT RATE (M/S-M) 6480 3440
VENT RATE (MPH-FT) 42480 25380
DISPERSION 3 2
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 30 FAIR 47 GEN GOOD 25 FAIR
ADI LATE 53 GEN GOOD 7 POOR 25 FAIR
MAX LVORI EARLY 9 6 7
MAX LVORI LATE 3 6 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND 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. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
OHZ010-182030-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (+1) 62 (0) 77
RH % (24H TREND) 57 (-17) 98 (+3) 73
20FT WND-VAL/AM(MPH) LGT/VAR SW 7
20FT WND-RDG/PM(MPH) W 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 0 3
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 910
MIXING HGT(FT-AGL/MSL) 4940 2980
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 39520 26820
VENT RATE (M/S-M) 6040 4550
VENT RATE (MPH-FT) 44460 29800
DISPERSION 3 3
SUNSHINE HOURS 9 4
RH RECOVERY EXCELLENT
ADI EARLY 27 FAIR 43 GEN GOOD 24 FAIR
ADI LATE 50 GEN GOOD 9 POOR 25 FAIR
MAX LVORI EARLY 8 5 6
MAX LVORI LATE 3 6 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND 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. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
OHZ011-182030-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 80 (+2) 62 (-2) 77
RH % (24H TREND) 52 (-20) 95 (+4) 70
20FT WND-VAL/AM(MPH) LGT/VAR SW 7
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1640 970
MIXING HGT(FT-AGL/MSL) 5380 3200
TRANSPORT WND (KTS) W 8 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 9 W 10
VENT RATE (KT-FT) 43040 28800
VENT RATE (M/S-M) 6560 4850
VENT RATE (MPH-FT) 48420 32000
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 36 FAIR 44 GEN GOOD 24 FAIR
ADI LATE 54 GEN GOOD 7 POOR 26 FAIR
MAX LVORI EARLY 7 4 6
MAX LVORI LATE 1 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
80S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND 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 AROUND 60.
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
OHZ012-182030-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 80 (+2) 63 (-1) 78
RH % (24H TREND) 54 (-16) 94 (+7) 70
20FT WND-VAL/AM(MPH) LGT/VAR SW 8
20FT WND-RDG/PM(MPH) NW 6 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.08 0.08
PRECIP DURATION 0 4
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1480 840
MIXING HGT(FT-AGL/MSL) 4850 2760
TRANSPORT WND (KTS) NW 7 W 11
TRANSPORT WND (M/S) NW 4 W 6
TRANSPORT WND (MPH) NW 8 W 13
VENT RATE (KT-FT) 33950 30360
VENT RATE (M/S-M) 5920 5040
VENT RATE (MPH-FT) 38800 35880
DISPERSION 3 3
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 32 FAIR 32 FAIR 24 FAIR
ADI LATE 51 GEN GOOD 8 POOR 28 FAIR
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 1 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. 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. WEST WINDS 5 TO 10 MPH.
OHZ013-182030-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 79 (+1) 61 (0) 77
RH % (24H TREND) 49 (-20) 97 (-1) 70
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1710 940
MIXING HGT(FT-AGL/MSL) 5610 3100
TRANSPORT WND (KTS) W 8 W 11
TRANSPORT WND (M/S) W 4 W 6
TRANSPORT WND (MPH) W 9 W 13
VENT RATE (KT-FT) 44880 34100
VENT RATE (M/S-M) 6840 5640
VENT RATE (MPH-FT) 50490 40300
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 38 FAIR 47 GEN GOOD 30 FAIR
ADI LATE 62 GOOD 6 VERY POOR 30 FAIR
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. 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
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS UP TO 10 MPH.
OHZ021-182030-
SUMMIT-
INCLUDING THE CITY OF AKRON
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+1) 61 (0) 78
RH % (24H TREND) 53 (-19) 97 (-1) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1740 1000
MIXING HGT(FT-AGL/MSL) 5700 3300
TRANSPORT WND (KTS) W 7 W 9
TRANSPORT WND (M/S) W 4 W 5
TRANSPORT WND (MPH) W 8 W 10
VENT RATE (KT-FT) 39900 29700
VENT RATE (M/S-M) 6960 5000
VENT RATE (MPH-FT) 45600 33000
DISPERSION 3 3
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 34 FAIR 42 GEN GOOD 33 FAIR
ADI LATE 59 GEN GOOD 5 VERY POOR 27 FAIR
MAX LVORI EARLY 9 6 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 60. HIGHS
IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS AROUND 80. 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
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS UP TO 10 MPH.
OHZ022-182030-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+1) 60 (-1) 78
RH % (24H TREND) 48 (-20) 96 (-3) 68
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1690 960
MIXING HGT(FT-AGL/MSL) 5560 3160
TRANSPORT WND (KTS) NW 7 W 10
TRANSPORT WND (M/S) NW 4 W 5
TRANSPORT WND (MPH) NW 8 W 12
VENT RATE (KT-FT) 38920 31600
VENT RATE (M/S-M) 6760 4800
VENT RATE (MPH-FT) 44480 37920
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 39 FAIR 48 GEN GOOD 43 GEN GOOD
ADI LATE 61 GOOD 5 VERY POOR 31 FAIR
MAX LVORI EARLY 9 6 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS AROUND 80. SOUTHWEST 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
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ032-182030-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (0) 60 (-1) 78
RH % (24H TREND) 54 (-21) 97 (-2) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1660 870
MIXING HGT(FT-AGL/MSL) 5450 2850
TRANSPORT WND (KTS) NW 6 W 11
TRANSPORT WND (M/S) NW 3 W 6
TRANSPORT WND (MPH) NW 7 W 13
VENT RATE (KT-FT) 32700 31350
VENT RATE (M/S-M) 4980 5220
VENT RATE (MPH-FT) 38150 37050
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 34 FAIR 37 FAIR 36 FAIR
ADI LATE 51 GEN GOOD 5 VERY POOR 29 FAIR
MAX LVORI EARLY 9 6 7
MAX LVORI LATE 1 7 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS AROUND 60.
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. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ033-182030-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (0) 60 (-1) 78
RH % (24H TREND) 48 (-22) 94 (-6) 67
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1790 1000
MIXING HGT(FT-AGL/MSL) 5860 3280
TRANSPORT WND (KTS) NW 8 W 12
TRANSPORT WND (M/S) NW 4 W 6
TRANSPORT WND (MPH) NW 9 W 14
VENT RATE (KT-FT) 46880 39360
VENT RATE (M/S-M) 7160 6000
VENT RATE (MPH-FT) 52740 45920
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 40 FAIR 42 GEN GOOD 51 GEN GOOD
ADI LATE 64 GOOD 4 VERY POOR 34 FAIR
MAX LVORI EARLY 10 6 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS AROUND 80. SOUTHEAST 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
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ023-182030-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+1) 60 (-1) 78
RH % (24H TREND) 47 (-19) 95 (-5) 67
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1730 1020
MIXING HGT(FT-AGL/MSL) 5670 3350
TRANSPORT WND (KTS) NW 7 W 12
TRANSPORT WND (M/S) NW 4 W 6
TRANSPORT WND (MPH) NW 8 W 14
VENT RATE (KT-FT) 39690 40200
VENT RATE (M/S-M) 6920 6120
VENT RATE (MPH-FT) 45360 46900
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 43 GEN GOOD 42 GEN GOOD 38 FAIR
ADI LATE 61 GOOD 5 VERY POOR 34 FAIR
MAX LVORI EARLY 10 5 6
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. LIGHT WINDS.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. 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
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
OHZ014-182030-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 79 (+1) 60 (-1) 77
RH % (24H TREND) 51 (-17) 98 (-1) 70
20FT WND-VAL/AM(MPH) LGT/VAR SW 6
20FT WND-RDG/PM(MPH) NW 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1750 920
MIXING HGT(FT-AGL/MSL) 5740 3010
TRANSPORT WND (KTS) NW 8 W 12
TRANSPORT WND (M/S) NW 4 W 6
TRANSPORT WND (MPH) NW 9 W 14
VENT RATE (KT-FT) 45920 36120
VENT RATE (M/S-M) 7000 5520
VENT RATE (MPH-FT) 51660 42140
DISPERSION 3 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 43 GEN GOOD 44 GEN GOOD 27 FAIR
ADI LATE 62 GOOD 6 VERY POOR 31 FAIR
MAX LVORI EARLY 10 5 7
MAX LVORI LATE 1 6 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. 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
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
OHZ089-182030-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (+1) 64 (-1) 77
RH % (24H TREND) 55 (-15) 95 (+7) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 8
20FT WND-RDG/PM(MPH) NW 6 SW 5 W 8
PRECIP AMOUNT 0.00 0.06 0.11
PRECIP DURATION 0 6
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1390 800
MIXING HGT(FT-AGL/MSL) 4570 2610
TRANSPORT WND (KTS) NW 8 W 12
TRANSPORT WND (M/S) NW 4 W 6
TRANSPORT WND (MPH) NW 9 W 14
VENT RATE (KT-FT) 36560 31320
VENT RATE (M/S-M) 5560 4800
VENT RATE (MPH-FT) 41130 36540
DISPERSION 3 3
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 27 FAIR 39 FAIR 26 FAIR
ADI LATE 53 GEN GOOD 11 POOR 29 FAIR
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 1 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. 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
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
PAZ001-182030-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 78 (0) 63 (-2) 77
RH % (24H TREND) 50 (-15) 92 (+6) 65
20FT WND-VAL/AM(MPH) LGT/VAR SW 8
20FT WND-RDG/PM(MPH) W 5 SW 5 W 8
PRECIP AMOUNT 0.00 0.08 0.34
PRECIP DURATION 0 7
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160 700
MIXING HGT(FT-AGL/MSL) 3810 2280
TRANSPORT WND (KTS) W 9 W 11
TRANSPORT WND (M/S) W 5 W 6
TRANSPORT WND (MPH) W 10 W 13
VENT RATE (KT-FT) 34290 25080
VENT RATE (M/S-M) 5800 4200
VENT RATE (MPH-FT) 38100 29640
DISPERSION 3 3
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 20 GEN POOR 33 FAIR 29 FAIR
ADI LATE 42 GEN GOOD 12 POOR 30 FAIR
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 2 4 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
PAZ002-182030-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (+1) 58 (-3) 75
RH % (24H TREND) 54 (-16) 98 (0) 71
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1470 820
MIXING HGT(FT-AGL/MSL) 4840 2690
TRANSPORT WND (KTS) NW 9 W 12
TRANSPORT WND (M/S) NW 5 W 6
TRANSPORT WND (MPH) NW 10 W 14
VENT RATE (KT-FT) 43560 32280
VENT RATE (M/S-M) 7350 4920
VENT RATE (MPH-FT) 48400 37660
DISPERSION 3 3
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 40 FAIR 38 FAIR 36 FAIR
ADI LATE 58 GEN GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 10 6 6
MAX LVORI LATE 1 6 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. EAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHEAST 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.
SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
PAZ003-182030-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
238 AM EDT TUE AUG 18 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (0) 58 (-2) 76
RH % (24H TREND) 55 (-15) 98 (-2) 74
20FT WND-VAL/AM(MPH) LGT/VAR SW 5
20FT WND-RDG/PM(MPH) NW 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1650 870
MIXING HGT(FT-AGL/MSL) 5430 2840
TRANSPORT WND (KTS) NW 9 W 13
TRANSPORT WND (M/S) NW 5 W 7
TRANSPORT WND (MPH) NW 10 W 15
VENT RATE (KT-FT) 48870 36920
VENT RATE (M/S-M) 8250 6090
VENT RATE (MPH-FT) 54300 42600
DISPERSION 4 3
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 46 GEN GOOD 38 FAIR 35 FAIR
ADI LATE 63 GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 10 6 7
MAX LVORI LATE 1 6 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. LIGHT WINDS.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST
WINDS UP TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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