107
FNUS51 KCLE 180825
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
425 AM EDT MON MAY 18 2026
DISCUSSION
NEAR RECORD HIGH TEMPERATURES WITH BREEZY CONDITIONS ARE EXPECTED
TODAY AND TUESDAY. THERE IS A CHANCE OF THUNDERSTORMS IN NORTHWEST
OHIO LATE THIS AFTERNOON WITH EXPANDING COVERAGE OF SHOWERS AND
THUNDERSTORMS ON TUESDAY AFTERNOON AND NIGHT. MOST LOCATIONS CAN
EXPECT A WETTING RAIN. A STRONG COLD FRONT PUSHES SOUTH INTO
WEDNESDAY WITH HIGH TEMPERATURES TRENDING 20-25 DEGREES COOLER
FROM TUESDAY TO WEDNESDAY.
OHZ003-182015-
LUCAS-
INCLUDING THE CITY OF TOLEDO
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 60
CHANCE OF THUNDER (%) 30 60 60
TEMP (24H TREND) 89 (+5) 67 (+2) 87
RH % (24H TREND) 42 (-8) 79 (+4) 49
20FT WND-VAL/AM(MPH) SW 10 G22 SW 13 G25
20FT WND-RDG/PM(MPH) SW 17 G24 SW 13 G24 SW 19 G29
PRECIP AMOUNT 0.10 0.11 0.12
PRECIP DURATION 1 3 3
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1920 1530
MIXING HGT(FT-AGL/MSL) 6300 5010
TRANSPORT WND (KTS) SW 25 SW 26
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 29 SW 30
VENT RATE (KT-FT) 157500 130260
VENT RATE (M/S-M) 24960 19890
VENT RATE (MPH-FT) 182700 150300
DISPERSION 5 5
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 75 GOOD 16 GEN POOR 70 GOOD
ADI LATE 97 GOOD 14 GEN POOR 81 GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 2 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND
10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 60.
NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
OHZ006-182015-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 60
CHANCE OF THUNDER (%) 30 60 60
TEMP (24H TREND) 89 (+4) 68 (+3) 87
RH % (24H TREND) 41 (-8) 78 (+3) 49
20FT WND-VAL/AM(MPH) SW 12 G23 SW 15 G27
20FT WND-RDG/PM(MPH) SW 18 SW 14 G24 SW 20 G30
PRECIP AMOUNT 0.09 0.07 0.12
PRECIP DURATION 1 3 3
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1890 1430
MIXING HGT(FT-AGL/MSL) 6210 4700
TRANSPORT WND (KTS) SW 26 SW 27
TRANSPORT WND (M/S) SW 13 SW 14
TRANSPORT WND (MPH) SW 30 SW 31
VENT RATE (KT-FT) 161460 126900
VENT RATE (M/S-M) 24570 20020
VENT RATE (MPH-FT) 186300 145700
DISPERSION 5 5
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 77 GOOD 16 GEN POOR 75 GOOD
ADI LATE 94 GOOD 14 GEN POOR 84 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 2 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS AROUND 70. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ007-182015-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 60
CHANCE OF THUNDER (%) 0 50 60
TEMP (24H TREND) 90 (+8) 67 (+1) 86
RH % (24H TREND) 40 (-15) 80 (+3) 49
20FT WND-VAL/AM(MPH) SW 11 G21 SW 14 G24
20FT WND-RDG/PM(MPH) SW 17 SW 13 G23 SW 20 G27
PRECIP AMOUNT 0.00 0.09 0.12
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1880 1370
MIXING HGT(FT-AGL/MSL) 6170 4490
TRANSPORT WND (KTS) SW 24 SW 25
TRANSPORT WND (M/S) SW 12 SW 13
TRANSPORT WND (MPH) SW 28 SW 29
VENT RATE (KT-FT) 148080 112250
VENT RATE (M/S-M) 22560 17810
VENT RATE (MPH-FT) 172760 130210
DISPERSION 5 5
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 57 GEN GOOD 17 GEN POOR 60 GEN GOOD
ADI LATE 81 GOOD 14 GEN POOR 74 GOOD
MAX LVORI EARLY 4 4 3
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
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
OHZ008-182015-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60
CHANCE OF THUNDER (%) 0 40 60
TEMP (24H TREND) 89 (+5) 69 (+3) 87
RH % (24H TREND) 40 (-12) 76 (0) 49
20FT WND-VAL/AM(MPH) S 11 G23 SW 14 G27
20FT WND-RDG/PM(MPH) SW 18 SW 13 G23 SW 20 G29
PRECIP AMOUNT 0.00 0.07 0.09
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1830 1460
MIXING HGT(FT-AGL/MSL) 6010 4780
TRANSPORT WND (KTS) SW 27 SW 28
TRANSPORT WND (M/S) SW 14 SW 14
TRANSPORT WND (MPH) SW 31 SW 32
VENT RATE (KT-FT) 162270 133840
VENT RATE (M/S-M) 25620 20440
VENT RATE (MPH-FT) 186310 152960
DISPERSION 5 5
SUNSHINE HOURS 9 5
RH RECOVERY EXCELLENT
ADI EARLY 73 GOOD 18 GEN POOR 75 GOOD
ADI LATE 99 GOOD 14 GEN POOR 89 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 2 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
OHZ017-182015-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60
CHANCE OF THUNDER (%) 0 40 60
TEMP (24H TREND) 90 (+6) 68 (+3) 88
RH % (24H TREND) 40 (-8) 76 (-1) 48
20FT WND-VAL/AM(MPH) S 12 G23 SW 16 G28
20FT WND-RDG/PM(MPH) SW 18 G25 SW 14 G24 SW 21 G30
PRECIP AMOUNT 0.00 0.06 0.10
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1780 1390
MIXING HGT(FT-AGL/MSL) 5830 4550
TRANSPORT WND (KTS) SW 26 SW 27
TRANSPORT WND (M/S) SW 13 SW 14
TRANSPORT WND (MPH) SW 30 SW 31
VENT RATE (KT-FT) 151580 122850
VENT RATE (M/S-M) 23140 19460
VENT RATE (MPH-FT) 174900 141050
DISPERSION 5 5
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 72 GOOD 15 GEN POOR 71 GOOD
ADI LATE 94 GOOD 14 GEN POOR 75 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
OHZ018-182015-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 40 70
TEMP (24H TREND) 89 (+6) 68 (+3) 87
RH % (24H TREND) 39 (-13) 74 (-5) 49
20FT WND-VAL/AM(MPH) S 12 G23 SW 15 G27
20FT WND-RDG/PM(MPH) SW 17 G24 SW 13 G23 SW 19 G29
PRECIP AMOUNT 0.00 0.05 0.10
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1350
MIXING HGT(FT-AGL/MSL) 5790 4420
TRANSPORT WND (KTS) SW 27 SW 28
TRANSPORT WND (M/S) SW 14 SW 14
TRANSPORT WND (MPH) SW 31 SW 32
VENT RATE (KT-FT) 156330 123760
VENT RATE (M/S-M) 24780 18900
VENT RATE (MPH-FT) 179490 141440
DISPERSION 5 5
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 71 GOOD 17 GEN POOR 72 GOOD
ADI LATE 100 GOOD 14 GEN POOR 79 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ027-182015-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70
CHANCE OF THUNDER (%) 0 30 70
TEMP (24H TREND) 89 (+6) 68 (+3) 87
RH % (24H TREND) 38 (-11) 74 (-6) 48
20FT WND-VAL/AM(MPH) S 11 G23 SW 14 G27
20FT WND-RDG/PM(MPH) SW 17 G24 SW 13 G23 SW 19 G29
PRECIP AMOUNT 0.00 0.01 0.08
PRECIP DURATION 1 4
PRECIP BEGIN 6 PM 6 AM
PRECIP END 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1800 1370
MIXING HGT(FT-AGL/MSL) 5920 4500
TRANSPORT WND (KTS) SW 26 SW 26
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 30 SW 30
VENT RATE (KT-FT) 153920 117000
VENT RATE (M/S-M) 23400 17810
VENT RATE (MPH-FT) 177600 135000
DISPERSION 5 5
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 70 GOOD 73 GOOD 62 GOOD
ADI LATE 96 GOOD 13 GEN POOR 72 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
OHZ028-182015-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70
CHANCE OF THUNDER (%) 0 20 70
TEMP (24H TREND) 88 (+7) 68 (+3) 87
RH % (24H TREND) 39 (-14) 75 (-5) 48
20FT WND-VAL/AM(MPH) S 11 G23 SW 14 G26
20FT WND-RDG/PM(MPH) SW 17 G24 SW 12 G23 SW 19 G28
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1 4
PRECIP BEGIN 7 PM 6 AM
PRECIP END 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1360
MIXING HGT(FT-AGL/MSL) 5800 4470
TRANSPORT WND (KTS) SW 27 SW 24
TRANSPORT WND (M/S) SW 14 SW 12
TRANSPORT WND (MPH) SW 31 SW 28
VENT RATE (KT-FT) 156600 107280
VENT RATE (M/S-M) 24780 16320
VENT RATE (MPH-FT) 179800 125160
DISPERSION 5 5
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 59 GEN GOOD 63 GOOD 68 GOOD
ADI LATE 98 GOOD 14 GEN POOR 78 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ036-182015-
MARION-
INCLUDING THE CITY OF MARION
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70
CHANCE OF THUNDER (%) 0 20 70
TEMP (24H TREND) 88 (+6) 68 (+4) 87
RH % (24H TREND) 39 (-12) 75 (-6) 48
20FT WND-VAL/AM(MPH) S 10 G21 SW 13 G24
20FT WND-RDG/PM(MPH) SW 16 SW 12 G22 SW 18 G26
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 1 4
PRECIP BEGIN 7 PM 6 AM
PRECIP END 12 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1380
MIXING HGT(FT-AGL/MSL) 5800 4510
TRANSPORT WND (KTS) SW 25 SW 24
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 29 SW 28
VENT RATE (KT-FT) 145000 108240
VENT RATE (M/S-M) 23010 16560
VENT RATE (MPH-FT) 168200 126280
DISPERSION 5 5
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 57 GEN GOOD 67 GOOD 55 GEN GOOD
ADI LATE 95 GOOD 13 GEN POOR 71 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
OHZ037-182015-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 60
TEMP (24H TREND) 87 (+7) 68 (+5) 86
RH % (24H TREND) 41 (-15) 76 (-5) 49
20FT WND-VAL/AM(MPH) S 9 G19 SW 13 G23
20FT WND-RDG/PM(MPH) SW 15 SW 10 G21 SW 16 G25
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1820 1280
MIXING HGT(FT-AGL/MSL) 5960 4210
TRANSPORT WND (KTS) SW 26 SW 22
TRANSPORT WND (M/S) SW 13 SW 11
TRANSPORT WND (MPH) SW 30 SW 25
VENT RATE (KT-FT) 154960 92620
VENT RATE (M/S-M) 23660 14080
VENT RATE (MPH-FT) 178800 105250
DISPERSION 5 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 50 GEN GOOD 53 GEN GOOD 64 GOOD
ADI LATE 94 GOOD 13 GEN POOR 71 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ009-182015-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70
CHANCE OF THUNDER (%) 0 30 70
TEMP (24H TREND) 89 (+7) 68 (+1) 87
RH % (24H TREND) 39 (-19) 76 (+1) 49
20FT WND-VAL/AM(MPH) S 10 G21 SW 13 G25
20FT WND-RDG/PM(MPH) SW 16 G23 SW 11 G23 SW 18 G27
PRECIP AMOUNT 0.00 0.03 0.07
PRECIP DURATION 2 3
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1870 1380
MIXING HGT(FT-AGL/MSL) 6150 4530
TRANSPORT WND (KTS) SW 25 SW 26
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 29 SW 30
VENT RATE (KT-FT) 153750 117780
VENT RATE (M/S-M) 24310 17940
VENT RATE (MPH-FT) 178350 135900
DISPERSION 5 5
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 53 GEN GOOD 46 GEN GOOD 65 GOOD
ADI LATE 91 GOOD 14 GEN POOR 76 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND
60. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. WARMER. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ019-182015-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70
CHANCE OF THUNDER (%) 0 20 70
TEMP (24H TREND) 88 (+6) 69 (+4) 87
RH % (24H TREND) 40 (-17) 73 (-4) 48
20FT WND-VAL/AM(MPH) S 10 G22 SW 13 G26
20FT WND-RDG/PM(MPH) SW 15 G23 SW 11 G23 SW 17 G28
PRECIP AMOUNT 0.00 0.02 0.09
PRECIP DURATION 1 4
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1780 1360
MIXING HGT(FT-AGL/MSL) 5840 4460
TRANSPORT WND (KTS) SW 27 SW 28
TRANSPORT WND (M/S) SW 14 SW 14
TRANSPORT WND (MPH) SW 31 SW 32
VENT RATE (KT-FT) 157680 124880
VENT RATE (M/S-M) 24920 19040
VENT RATE (MPH-FT) 181040 142720
DISPERSION 5 5
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 60 GEN GOOD 72 GOOD 73 GOOD
ADI LATE 97 GOOD 13 GEN POOR 81 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ029-182015-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 60
TEMP (24H TREND) 88 (+8) 68 (+4) 86
RH % (24H TREND) 40 (-17) 74 (-4) 49
20FT WND-VAL/AM(MPH) S 9 G21 SW 12 G26
20FT WND-RDG/PM(MPH) SW 14 G23 SW 10 G23 SW 16 G27
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1830 1320
MIXING HGT(FT-AGL/MSL) 5990 4330
TRANSPORT WND (KTS) SW 26 SW 23
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 30 SW 26
VENT RATE (KT-FT) 155740 99590
VENT RATE (M/S-M) 23790 15840
VENT RATE (MPH-FT) 179700 112580
DISPERSION 5 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 52 GEN GOOD 61 GOOD 69 GOOD
ADI LATE 96 GOOD 13 GEN POOR 78 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ030-182015-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 87 (+7) 68 (+5) 86
RH % (24H TREND) 40 (-20) 74 (-7) 49
20FT WND-VAL/AM(MPH) S 8 G19 SW 11 G24
20FT WND-RDG/PM(MPH) SW 14 G23 SW 9 G22 SW 16 G27
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1880 1300
MIXING HGT(FT-AGL/MSL) 6170 4280
TRANSPORT WND (KTS) SW 26 SW 25
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 30 SW 29
VENT RATE (KT-FT) 160420 107000
VENT RATE (M/S-M) 24440 16900
VENT RATE (MPH-FT) 185100 124120
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 51 GEN GOOD 68 GOOD 67 GOOD
ADI LATE 96 GOOD 12 POOR 80 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ047-182015-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 88 (+7) 68 (+6) 87
RH % (24H TREND) 40 (-15) 77 (-7) 47
20FT WND-VAL/AM(MPH) S 7 G17 SW 10 G22
20FT WND-RDG/PM(MPH) SW 13 G20 SW 8 G20 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1900 1370
MIXING HGT(FT-AGL/MSL) 6220 4510
TRANSPORT WND (KTS) SW 25 SW 23
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 29 SW 26
VENT RATE (KT-FT) 155500 103730
VENT RATE (M/S-M) 24700 16440
VENT RATE (MPH-FT) 180380 117260
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 50 GEN GOOD 70 GOOD 62 GOOD
ADI LATE 95 GOOD 12 POOR 73 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ038-182015-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 89 (+8) 67 (+5) 86
RH % (24H TREND) 38 (-19) 75 (-8) 48
20FT WND-VAL/AM(MPH) S 7 SW 9 G22
20FT WND-RDG/PM(MPH) SW 12 G20 SW 8 G18 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1990 1530
MIXING HGT(FT-AGL/MSL) 6520 5020
TRANSPORT WND (KTS) SW 25 SW 23
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 29 SW 26
VENT RATE (KT-FT) 163000 115460
VENT RATE (M/S-M) 25870 18360
VENT RATE (MPH-FT) 189080 130520
DISPERSION 5 5
SUNSHINE HOURS 12 6
RH RECOVERY EXCELLENT
ADI EARLY 58 GEN GOOD 69 GOOD 64 GOOD
ADI LATE 93 GOOD 8 POOR 68 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ031-182015-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 88 (+8) 67 (+5) 86
RH % (24H TREND) 41 (-21) 76 (-6) 50
20FT WND-VAL/AM(MPH) S 8 G18 SW 11 G23
20FT WND-RDG/PM(MPH) SW 14 G22 SW 9 G21 SW 16 G25
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1890 1360
MIXING HGT(FT-AGL/MSL) 6200 4470
TRANSPORT WND (KTS) SW 25 SW 23
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 29 SW 26
VENT RATE (KT-FT) 155000 102810
VENT RATE (M/S-M) 24570 16320
VENT RATE (MPH-FT) 179800 116220
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 46 GEN GOOD 56 GEN GOOD 64 GOOD
ADI LATE 92 GOOD 12 POOR 80 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ020-182015-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 20 50
TEMP (24H TREND) 88 (+8) 67 (+4) 87
RH % (24H TREND) 42 (-21) 75 (-6) 49
20FT WND-VAL/AM(MPH) S 9 G19 SW 11 G24
20FT WND-RDG/PM(MPH) SW 14 G23 SW 10 G22 SW 16 G27
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1860 1320
MIXING HGT(FT-AGL/MSL) 6090 4340
TRANSPORT WND (KTS) SW 26 SW 25
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 30 SW 29
VENT RATE (KT-FT) 158340 108500
VENT RATE (M/S-M) 24180 17160
VENT RATE (MPH-FT) 182700 125860
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 47 GEN GOOD 57 GEN GOOD 64 GOOD
ADI LATE 93 GOOD 12 POOR 81 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTH WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ010-182015-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70
CHANCE OF THUNDER (%) 0 20 70
TEMP (24H TREND) 89 (+7) 68 (+3) 87
RH % (24H TREND) 39 (-21) 72 (-5) 47
20FT WND-VAL/AM(MPH) S 9 G19 SW 12 G25
20FT WND-RDG/PM(MPH) SW 15 G23 SW 10 G22 SW 17 G27
PRECIP AMOUNT 0.00 0.02 0.05
PRECIP DURATION 1 3
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1900 1370
MIXING HGT(FT-AGL/MSL) 6230 4480
TRANSPORT WND (KTS) SW 25 SW 23
TRANSPORT WND (M/S) SW 13 SW 12
TRANSPORT WND (MPH) SW 29 SW 26
VENT RATE (KT-FT) 155750 103040
VENT RATE (M/S-M) 24700 16440
VENT RATE (MPH-FT) 180670 116480
DISPERSION 5 5
SUNSHINE HOURS 10 5
RH RECOVERY EXCELLENT
ADI EARLY 53 GEN GOOD 52 GEN GOOD 63 GOOD
ADI LATE 91 GOOD 13 GEN POOR 76 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. WARMER. LOWS AROUND
50. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ011-182015-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 50
TEMP (24H TREND) 89 (+7) 69 (+2) 87
RH % (24H TREND) 39 (-19) 71 (-3) 47
20FT WND-VAL/AM(MPH) S 9 G19 SW 10 G25
20FT WND-RDG/PM(MPH) SW 13 G23 SW 10 G22 SW 16 G26
PRECIP AMOUNT 0.00 0.01 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1980 1520
MIXING HGT(FT-AGL/MSL) 6510 4970
TRANSPORT WND (KTS) SW 24 SW 25
TRANSPORT WND (M/S) SW 12 SW 13
TRANSPORT WND (MPH) SW 28 SW 29
VENT RATE (KT-FT) 156240 124250
VENT RATE (M/S-M) 23760 19760
VENT RATE (MPH-FT) 182280 144130
DISPERSION 5 5
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 47 GEN GOOD 64 GOOD 57 GEN GOOD
ADI LATE 89 GOOD 11 POOR 82 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ012-182015-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 50
TEMP (24H TREND) 89 (+10) 68 (+1) 84
RH % (24H TREND) 40 (-21) 73 (+2) 50
20FT WND-VAL/AM(MPH) S 9 SW 9 G21
20FT WND-RDG/PM(MPH) SW 12 G21 SW 9 G20 SW 15 G24
PRECIP AMOUNT 0.00 0.01 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1520 1290
MIXING HGT(FT-AGL/MSL) 4980 4220
TRANSPORT WND (KTS) SW 20 SW 21
TRANSPORT WND (M/S) SW 10 SW 11
TRANSPORT WND (MPH) SW 23 SW 24
VENT RATE (KT-FT) 99600 88620
VENT RATE (M/S-M) 15200 14190
VENT RATE (MPH-FT) 114540 101280
DISPERSION 4 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 32 FAIR 45 GEN GOOD 40 FAIR
ADI LATE 55 GEN GOOD 12 POOR 59 GEN GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ013-182015-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 87 (+7) 68 (+4) 85
RH % (24H TREND) 42 (-21) 73 (-6) 47
20FT WND-VAL/AM(MPH) SW 7 G17 SW 9 G23
20FT WND-RDG/PM(MPH) SW 12 G21 SW 8 G20 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1920 1350
MIXING HGT(FT-AGL/MSL) 6290 4430
TRANSPORT WND (KTS) SW 24 SW 24
TRANSPORT WND (M/S) SW 12 SW 12
TRANSPORT WND (MPH) SW 28 SW 28
VENT RATE (KT-FT) 150960 106320
VENT RATE (M/S-M) 23040 16200
VENT RATE (MPH-FT) 176120 124040
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 54 GEN GOOD 57 GEN GOOD 48 GEN GOOD
ADI LATE 86 GOOD 8 POOR 78 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS AROUND 60. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS AROUND 70. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ021-182015-
SUMMIT-
INCLUDING THE CITY OF AKRON
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 89 (+8) 68 (+4) 87
RH % (24H TREND) 39 (-22) 73 (-9) 46
20FT WND-VAL/AM(MPH) S 7 G18 SW 10 G24
20FT WND-RDG/PM(MPH) SW 12 G23 SW 9 G22 SW 15 G26
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1970 1420
MIXING HGT(FT-AGL/MSL) 6450 4650
TRANSPORT WND (KTS) SW 25 SW 25
TRANSPORT WND (M/S) SW 13 SW 13
TRANSPORT WND (MPH) SW 29 SW 29
VENT RATE (KT-FT) 161250 116250
VENT RATE (M/S-M) 25610 18460
VENT RATE (MPH-FT) 187050 134850
DISPERSION 5 5
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 54 GEN GOOD 70 GOOD 60 GEN GOOD
ADI LATE 91 GOOD 9 POOR 84 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ022-182015-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 10 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 88 (+8) 67 (+4) 87
RH % (24H TREND) 39 (-23) 73 (-10) 44
20FT WND-VAL/AM(MPH) SW 7 G17 SW 9 G23
20FT WND-RDG/PM(MPH) SW 12 G21 SW 8 G20 SW 14 G24
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1980 1320
MIXING HGT(FT-AGL/MSL) 6500 4320
TRANSPORT WND (KTS) SW 24 SW 22
TRANSPORT WND (M/S) SW 12 SW 11
TRANSPORT WND (MPH) SW 28 SW 25
VENT RATE (KT-FT) 156000 95040
VENT RATE (M/S-M) 23760 14520
VENT RATE (MPH-FT) 182000 108000
DISPERSION 5 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 52 GEN GOOD 57 GEN GOOD 56 GEN GOOD
ADI LATE 87 GOOD 9 POOR 70 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ032-182015-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 90 (+9) 67 (+4) 88
RH % (24H TREND) 39 (-21) 75 (-8) 45
20FT WND-VAL/AM(MPH) S 7 G17 SW 10 G23
20FT WND-RDG/PM(MPH) SW 13 G21 SW 8 G20 SW 15 G24
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2020 1450
MIXING HGT(FT-AGL/MSL) 6640 4760
TRANSPORT WND (KTS) SW 24 SW 22
TRANSPORT WND (M/S) SW 12 SW 11
TRANSPORT WND (MPH) SW 28 SW 25
VENT RATE (KT-FT) 159360 104720
VENT RATE (M/S-M) 24240 15950
VENT RATE (MPH-FT) 185920 119000
DISPERSION 5 4
SUNSHINE HOURS 12 7
RH RECOVERY EXCELLENT
ADI EARLY 43 GEN GOOD 62 GOOD 61 GOOD
ADI LATE 89 GOOD 10 POOR 74 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTH WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
OHZ033-182015-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 90 (+10) 67 (+4) 90
RH % (24H TREND) 39 (-21) 73 (-11) 42
20FT WND-VAL/AM(MPH) S 7 SW 9 G21
20FT WND-RDG/PM(MPH) SW 11 SW 7 G17 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2060 1430
MIXING HGT(FT-AGL/MSL) 6750 4700
TRANSPORT WND (KTS) SW 23 SW 20
TRANSPORT WND (M/S) SW 12 SW 10
TRANSPORT WND (MPH) SW 26 SW 23
VENT RATE (KT-FT) 155250 94000
VENT RATE (M/S-M) 24720 14300
VENT RATE (MPH-FT) 175500 108100
DISPERSION 5 4
SUNSHINE HOURS 12 7
RH RECOVERY EXCELLENT
ADI EARLY 59 GEN GOOD 65 GOOD 48 GEN GOOD
ADI LATE 84 GOOD 8 POOR 69 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ023-182015-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 89 (+9) 68 (+5) 89
RH % (24H TREND) 39 (-22) 73 (-11) 43
20FT WND-VAL/AM(MPH) S 6 SW 8 G21
20FT WND-RDG/PM(MPH) SW 11 G19 SW 7 G19 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2060 1370
MIXING HGT(FT-AGL/MSL) 6760 4490
TRANSPORT WND (KTS) SW 23 SW 21
TRANSPORT WND (M/S) SW 12 SW 11
TRANSPORT WND (MPH) SW 26 SW 24
VENT RATE (KT-FT) 155480 94290
VENT RATE (M/S-M) 24720 15070
VENT RATE (MPH-FT) 175760 107760
DISPERSION 5 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 51 GEN GOOD 53 GEN GOOD 43 GEN GOOD
ADI LATE 91 GOOD 8 POOR 68 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ014-182015-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 30
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 88 (+9) 67 (+3) 85
RH % (24H TREND) 41 (-23) 75 (-7) 49
20FT WND-VAL/AM(MPH) S 8 S 9 G20
20FT WND-RDG/PM(MPH) SW 12 G19 SW 8 G18 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1980 1280
MIXING HGT(FT-AGL/MSL) 6490 4200
TRANSPORT WND (KTS) SW 24 SW 22
TRANSPORT WND (M/S) SW 12 SW 11
TRANSPORT WND (MPH) SW 28 SW 25
VENT RATE (KT-FT) 155760 92400
VENT RATE (M/S-M) 23760 14080
VENT RATE (MPH-FT) 181720 105000
DISPERSION 5 4
SUNSHINE HOURS 11 6
RH RECOVERY EXCELLENT
ADI EARLY 46 GEN GOOD 63 GOOD 40 FAIR
ADI LATE 83 GOOD 9 POOR 68 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
OHZ089-182015-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 40
CHANCE OF THUNDER (%) 0 30 40
TEMP (24H TREND) 89 (+13) 67 (+1) 82
RH % (24H TREND) 40 (-26) 76 (+1) 51
20FT WND-VAL/AM(MPH) S 9 S 9
20FT WND-RDG/PM(MPH) SW 11 SW 8 G18 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 850
MIXING HGT(FT-AGL/MSL) 3890 2800
TRANSPORT WND (KTS) SW 17 SW 18
TRANSPORT WND (M/S) SW 9 SW 9
TRANSPORT WND (MPH) SW 20 SW 21
VENT RATE (KT-FT) 66130 50400
VENT RATE (M/S-M) 10710 7650
VENT RATE (MPH-FT) 77800 58800
DISPERSION 4 3
SUNSHINE HOURS 11 5
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 36 FAIR 32 FAIR
ADI LATE 43 GEN GOOD 11 POOR 44 GEN GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 4 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. EAST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
PAZ001-182015-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 90 (+16) 67 (+1) 82
RH % (24H TREND) 39 (-30) 74 (+1) 51
20FT WND-VAL/AM(MPH) S 10 S 10 G17
20FT WND-RDG/PM(MPH) SW 10 SW 8 G17 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 690 660
MIXING HGT(FT-AGL/MSL) 2250 2160
TRANSPORT WND (KTS) SW 16 SW 18
TRANSPORT WND (M/S) SW 8 SW 9
TRANSPORT WND (MPH) SW 18 SW 21
VENT RATE (KT-FT) 36000 38880
VENT RATE (M/S-M) 5520 5940
VENT RATE (MPH-FT) 40500 45360
DISPERSION 3 3
SUNSHINE HOURS 12 5
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 31 FAIR 29 FAIR
ADI LATE 32 FAIR 13 GEN POOR 35 FAIR
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 2 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
PAZ002-182015-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 30
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 89 (+12) 66 (+3) 84
RH % (24H TREND) 40 (-28) 75 (-6) 52
20FT WND-VAL/AM(MPH) S 8 SW 8 G19
20FT WND-RDG/PM(MPH) SW 11 G19 SW 7 G17 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1810 1210
MIXING HGT(FT-AGL/MSL) 5940 3970
TRANSPORT WND (KTS) SW 22 SW 21
TRANSPORT WND (M/S) SW 11 SW 11
TRANSPORT WND (MPH) SW 25 SW 24
VENT RATE (KT-FT) 130680 83370
VENT RATE (M/S-M) 19910 13310
VENT RATE (MPH-FT) 148500 95280
DISPERSION 5 4
SUNSHINE HOURS 12 5
RH RECOVERY EXCELLENT
ADI EARLY 47 GEN GOOD 46 GEN GOOD 44 GEN GOOD
ADI LATE 78 GOOD 10 POOR 65 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS AROUND 70. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
PAZ003-182015-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
425 AM EDT MON MAY 18 2026
TODAY TONIGHT TUE
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 88 (+10) 66 (+4) 84
RH % (24H TREND) 40 (-25) 75 (-9) 52
20FT WND-VAL/AM(MPH) S 7 SW 7 G19
20FT WND-RDG/PM(MPH) SW 11 G18 SW 7 G17 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1880 1330
MIXING HGT(FT-AGL/MSL) 6160 4380
TRANSPORT WND (KTS) SW 23 SW 21
TRANSPORT WND (M/S) SW 12 SW 11
TRANSPORT WND (MPH) SW 26 SW 24
VENT RATE (KT-FT) 141680 91980
VENT RATE (M/S-M) 22560 14630
VENT RATE (MPH-FT) 160160 105120
DISPERSION 5 4
SUNSHINE HOURS 12 6
RH RECOVERY EXCELLENT
ADI EARLY 65 GOOD 64 GOOD 51 GEN GOOD
ADI LATE 78 GOOD 8 POOR 66 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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