065
FNUS51 KCLE 200710
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
310 AM EDT WED MAY 20 2026
DISCUSSION
A STRONG COLD FRONT WILL MOVE SOUTHEAST ACROSS THE AREA THIS MORNING
WITH BELOW NORMAL TEMPERATURES AND BREEZY NORTHEAST WINDS THROUGH
THURSDAY. A FRONTAL BOUNDARY WILL LIFT NORTH INTO THE OHIO VALLEY
FRIDAY WITH A WETTING RAIN EXPECTED FRIDAY NIGHT AND SATURDAY.
ADDITIONAL CHANCES OF SHOWERS AND THUNDERSTORMS WILL CONTINUE
THROUGH THE HOLIDAY WEEKEND.
OHZ003-202015-
LUCAS-
INCLUDING THE CITY OF TOLEDO
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-23) 42 (-17) 61
RH % (24H TREND) 55 (+3) 72 (-20) 45
20FT WND-VAL/AM(MPH) NE 8 NE 10
20FT WND-RDG/PM(MPH) NE 7 E 8 E 14 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1200 1130
MIXING HGT(FT-AGL/MSL) 3940 3720
TRANSPORT WND (KTS) NE 10 E 18
TRANSPORT WND (M/S) NE 5 E 9
TRANSPORT WND (MPH) NE 12 E 21
VENT RATE (KT-FT) 39400 66960
VENT RATE (M/S-M) 6000 10170
VENT RATE (MPH-FT) 47280 78120
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 31 FAIR 48 GEN GOOD
ADI LATE 30 FAIR 18 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS AROUND 50. HIGHS IN
THE MID 60S. EAST WINDS 10 TO 15 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. EAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
OHZ006-202015-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-25) 43 (-17) 62
RH % (24H TREND) 60 (+7) 74 (-21) 45
20FT WND-VAL/AM(MPH) N 8 NE 11 G19
20FT WND-RDG/PM(MPH) NE 9 NE 8 NE 16 G23
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 3 PM
MIXING HGT(M-AGL/MSL) 1000 1090
MIXING HGT(FT-AGL/MSL) 3290 3570
TRANSPORT WND (KTS) NE 11 E 19
TRANSPORT WND (M/S) NE 6 E 10
TRANSPORT WND (MPH) NE 13 E 22
VENT RATE (KT-FT) 36190 67830
VENT RATE (M/S-M) 6000 10900
VENT RATE (MPH-FT) 42770 78540
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 32 FAIR 46 GEN GOOD
ADI LATE 30 FAIR 13 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS AROUND 50. HIGHS IN
THE MID 60S. EAST WINDS AROUND 15 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
OHZ007-202015-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-23) 45 (-15) 64
RH % (24H TREND) 57 (+3) 70 (-27) 47
20FT WND-VAL/AM(MPH) NE 11 NE 14 G23
20FT WND-RDG/PM(MPH) NE 9 NE 10 NE 17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 3 PM
MIXING HGT(M-AGL/MSL) 870 950
MIXING HGT(FT-AGL/MSL) 2840 3130
TRANSPORT WND (KTS) NE 11 E 20
TRANSPORT WND (M/S) NE 6 E 10
TRANSPORT WND (MPH) NE 13 E 23
VENT RATE (KT-FT) 31240 62600
VENT RATE (M/S-M) 5220 9500
VENT RATE (MPH-FT) 36920 71990
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 5 VERY POOR 33 FAIR 48 GEN GOOD
ADI LATE 29 FAIR 18 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 4 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
60S. EAST WINDS AROUND 15 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHEAST
WINDS AROUND 5 MPH.
OHZ008-202015-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-27) 44 (-16) 62
RH % (24H TREND) 62 (+8) 72 (-24) 48
20FT WND-VAL/AM(MPH) NE 9 NE 12
20FT WND-RDG/PM(MPH) NE 9 NE 9 NE 16
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 850 1000
MIXING HGT(FT-AGL/MSL) 2800 3290
TRANSPORT WND (KTS) NE 12 E 20
TRANSPORT WND (M/S) NE 6 E 10
TRANSPORT WND (MPH) NE 14 E 23
VENT RATE (KT-FT) 33600 65800
VENT RATE (M/S-M) 5100 10000
VENT RATE (MPH-FT) 39200 75670
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 20 GEN POOR 32 FAIR 47 GEN GOOD
ADI LATE 31 FAIR 14 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 4 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. EAST WINDS AROUND 15 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH WINDS
AROUND 5 MPH.
OHZ017-202015-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-24) 43 (-17) 63
RH % (24H TREND) 67 (+10) 78 (-18) 48
20FT WND-VAL/AM(MPH) N 8 NE 12 G19
20FT WND-RDG/PM(MPH) NE 10 NE 9 NE 14 G23
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 890 1100
MIXING HGT(FT-AGL/MSL) 2930 3620
TRANSPORT WND (KTS) NE 12 NE 17
TRANSPORT WND (M/S) NE 6 NE 9
TRANSPORT WND (MPH) NE 14 NE 20
VENT RATE (KT-FT) 35160 61540
VENT RATE (M/S-M) 5340 9900
VENT RATE (MPH-FT) 41020 72400
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 27 FAIR 43 GEN GOOD
ADI LATE 26 FAIR 13 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 4 4 3
MAX LVORI LATE 5 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 15 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
OHZ018-202015-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-27) 43 (-16) 62
RH % (24H TREND) 64 (+9) 76 (-20) 49
20FT WND-VAL/AM(MPH) N 9 NE 11 G19
20FT WND-RDG/PM(MPH) NE 10 NE 9 NE 15 G23
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 810 1020
MIXING HGT(FT-AGL/MSL) 2640 3350
TRANSPORT WND (KTS) NE 14 NE 18
TRANSPORT WND (M/S) NE 7 NE 9
TRANSPORT WND (MPH) NE 16 NE 21
VENT RATE (KT-FT) 36960 60300
VENT RATE (M/S-M) 5670 9180
VENT RATE (MPH-FT) 42240 70350
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 25 FAIR 27 FAIR 45 GEN GOOD
ADI LATE VERY POOR 13 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 5 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
OHZ027-202015-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 62 (-26) 43 (-17) 64
RH % (24H TREND) 66 (+11) 78 (-17) 50
20FT WND-VAL/AM(MPH) N 8 NE 11 G18
20FT WND-RDG/PM(MPH) NE 11 NE 9 NE 13 G21
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 740 1090
MIXING HGT(FT-AGL/MSL) 2410 3580
TRANSPORT WND (KTS) NE 14 NE 16
TRANSPORT WND (M/S) NE 7 NE 8
TRANSPORT WND (MPH) NE 16 NE 18
VENT RATE (KT-FT) 33740 57280
VENT RATE (M/S-M) 5180 8720
VENT RATE (MPH-FT) 38560 64440
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 25 FAIR 42 GEN GOOD
ADI LATE VERY POOR 13 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 5 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
OHZ028-202015-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 62 (-26) 42 (-17) 64
RH % (24H TREND) 65 (+10) 77 (-20) 51
20FT WND-VAL/AM(MPH) N 9 NE 11
20FT WND-RDG/PM(MPH) NE 11 NE 10 NE 13 G20
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 650 1070
MIXING HGT(FT-AGL/MSL) 2140 3500
TRANSPORT WND (KTS) NE 15 NE 15
TRANSPORT WND (M/S) NE 8 NE 8
TRANSPORT WND (MPH) NE 17 NE 17
VENT RATE (KT-FT) 32100 52500
VENT RATE (M/S-M) 5200 8560
VENT RATE (MPH-FT) 36380 59500
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 22 FAIR 13 GEN POOR 39 FAIR
ADI LATE VERY POOR 14 GEN POOR 44 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 5 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS AROUND 50. HIGHS IN THE MID 60S. NORTHEAST
WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
OHZ036-202015-
MARION-
INCLUDING THE CITY OF MARION
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-25) 43 (-18) 67
RH % (24H TREND) 69 (+14) 80 (-17) 51
20FT WND-VAL/AM(MPH) N 8 NE 11
20FT WND-RDG/PM(MPH) NE 10 NE 10 NE 12
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 640 1170
MIXING HGT(FT-AGL/MSL) 2090 3840
TRANSPORT WND (KTS) NE 15 NE 14
TRANSPORT WND (M/S) NE 8 NE 7
TRANSPORT WND (MPH) NE 17 NE 16
VENT RATE (KT-FT) 31350 53760
VENT RATE (M/S-M) 5120 8190
VENT RATE (MPH-FT) 35530 61440
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 25 FAIR 13 GEN POOR 38 FAIR
ADI LATE 26 FAIR 14 GEN POOR 45 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 6 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS AROUND 50. HIGHS IN THE UPPER 60S. EAST
WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
OHZ037-202015-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 40 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-23) 43 (-17) 67
RH % (24H TREND) 69 (+12) 79 (-21) 50
20FT WND-VAL/AM(MPH) N 7 NE 11
20FT WND-RDG/PM(MPH) NE 10 NE 10 NE 11
PRECIP AMOUNT 0.13 0.01 0.00
PRECIP DURATION 9 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 510 1140
MIXING HGT(FT-AGL/MSL) 1690 3730
TRANSPORT WND (KTS) N 15 NE 14
TRANSPORT WND (M/S) N 8 NE 7
TRANSPORT WND (MPH) N 17 NE 16
VENT RATE (KT-FT) 25350 52220
VENT RATE (M/S-M) 4080 7980
VENT RATE (MPH-FT) 28730 59680
DISPERSION 3 3
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 21 FAIR 14 GEN POOR 37 FAIR
ADI LATE 23 FAIR 14 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 6 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST
WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
OHZ009-202015-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-27) 44 (-15) 61
RH % (24H TREND) 60 (+5) 74 (-20) 54
20FT WND-VAL/AM(MPH) NE 11 NE 12
20FT WND-RDG/PM(MPH) NE 10 NE 11 NE 17
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 720 850
MIXING HGT(FT-AGL/MSL) 2350 2780
TRANSPORT WND (KTS) NE 13 NE 18
TRANSPORT WND (M/S) NE 7 NE 9
TRANSPORT WND (MPH) NE 15 NE 21
VENT RATE (KT-FT) 30550 50040
VENT RATE (M/S-M) 5040 7650
VENT RATE (MPH-FT) 35250 58380
DISPERSION 3 3
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 21 FAIR 15 GEN POOR 46 GEN GOOD
ADI LATE 31 FAIR 16 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 4 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS AROUND 70. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
OHZ019-202015-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-30) 42 (-16) 63
RH % (24H TREND) 64 (+10) 78 (-14) 53
20FT WND-VAL/AM(MPH) N 9 NE 9 G18
20FT WND-RDG/PM(MPH) NE 10 NE 9 NE 13 G21
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 660 980
MIXING HGT(FT-AGL/MSL) 2170 3210
TRANSPORT WND (KTS) NE 14 NE 17
TRANSPORT WND (M/S) NE 7 NE 9
TRANSPORT WND (MPH) NE 16 NE 20
VENT RATE (KT-FT) 30380 54570
VENT RATE (M/S-M) 4620 8820
VENT RATE (MPH-FT) 34720 64200
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 32 FAIR 45 GEN GOOD
ADI LATE 30 FAIR 13 GEN POOR 46 GEN GOOD
MAX LVORI EARLY 7 4 4
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
OHZ029-202015-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-24) 41 (-18) 66
RH % (24H TREND) 63 (+8) 78 (-18) 48
20FT WND-VAL/AM(MPH) N 8 NE 9 G17
20FT WND-RDG/PM(MPH) NE 10 NE 9 NE 11
PRECIP AMOUNT 0.08 0.01 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 580 1130
MIXING HGT(FT-AGL/MSL) 1910 3710
TRANSPORT WND (KTS) N 15 NE 15
TRANSPORT WND (M/S) N 8 NE 8
TRANSPORT WND (MPH) N 17 NE 17
VENT RATE (KT-FT) 28650 55650
VENT RATE (M/S-M) 4640 9040
VENT RATE (MPH-FT) 32470 63070
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 22 FAIR 14 GEN POOR 38 FAIR
ADI LATE 24 FAIR 13 GEN POOR 44 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 4 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST
WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
OHZ030-202015-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-24) 41 (-18) 67
RH % (24H TREND) 62 (+6) 80 (-16) 48
20FT WND-VAL/AM(MPH) N 8 NE 8
20FT WND-RDG/PM(MPH) N 10 NE 9 NE 10
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 5 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 580 1160
MIXING HGT(FT-AGL/MSL) 1890 3820
TRANSPORT WND (KTS) N 15 NE 14
TRANSPORT WND (M/S) N 8 NE 7
TRANSPORT WND (MPH) N 17 NE 16
VENT RATE (KT-FT) 28350 53480
VENT RATE (M/S-M) 4640 8120
VENT RATE (MPH-FT) 32130 61120
DISPERSION 3 4
SUNSHINE HOURS 2 9
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 21 FAIR 49 GEN GOOD
ADI LATE 24 FAIR 13 GEN POOR 70 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST
WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
OHZ047-202015-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 40 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 67 (-20) 43 (-18) 68
RH % (24H TREND) 66 (+12) 79 (-21) 45
20FT WND-VAL/AM(MPH) NW 6 NE 9
20FT WND-RDG/PM(MPH) N 9 NE 9 NE 10
PRECIP AMOUNT 0.20 0.02 0.00
PRECIP DURATION 9 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 550 1160
MIXING HGT(FT-AGL/MSL) 1790 3800
TRANSPORT WND (KTS) N 15 E 14
TRANSPORT WND (M/S) N 8 E 7
TRANSPORT WND (MPH) N 17 E 16
VENT RATE (KT-FT) 26850 53200
VENT RATE (M/S-M) 4400 8120
VENT RATE (MPH-FT) 30430 60800
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 19 GEN POOR 14 GEN POOR 38 FAIR
ADI LATE 23 FAIR 13 GEN POOR 71 GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 6 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
OHZ038-202015-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 40 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 65 (-23) 43 (-18) 68
RH % (24H TREND) 63 (+9) 79 (-20) 46
20FT WND-VAL/AM(MPH) NW 6 NE 9
20FT WND-RDG/PM(MPH) N 9 N 9 NE 9
PRECIP AMOUNT 0.13 0.01 0.00
PRECIP DURATION 7 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 580 1150
MIXING HGT(FT-AGL/MSL) 1910 3760
TRANSPORT WND (KTS) N 15 NE 13
TRANSPORT WND (M/S) N 8 NE 7
TRANSPORT WND (MPH) N 17 NE 15
VENT RATE (KT-FT) 28650 48880
VENT RATE (M/S-M) 4640 8050
VENT RATE (MPH-FT) 32470 56400
DISPERSION 3 4
SUNSHINE HOURS 2 9
RH RECOVERY EXCELLENT
ADI EARLY 21 FAIR 12 POOR 56 GEN GOOD
ADI LATE 25 FAIR 12 POOR 69 GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS AROUND 50. HIGHS IN THE MID 60S. EAST WINDS
5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
OHZ031-202015-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-23) 42 (-18) 67
RH % (24H TREND) 63 (+6) 80 (-18) 48
20FT WND-VAL/AM(MPH) N 7 NE 9
20FT WND-RDG/PM(MPH) N 10 N 9 NE 10
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 590 1170
MIXING HGT(FT-AGL/MSL) 1930 3840
TRANSPORT WND (KTS) N 15 E 13
TRANSPORT WND (M/S) N 8 E 7
TRANSPORT WND (MPH) N 17 E 15
VENT RATE (KT-FT) 28950 49920
VENT RATE (M/S-M) 4720 8190
VENT RATE (MPH-FT) 32810 57600
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 13 GEN POOR 55 GEN GOOD
ADI LATE 25 FAIR 12 POOR 69 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. EAST
WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. SOUTH WINDS
AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
OHZ020-202015-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-29) 41 (-17) 67
RH % (24H TREND) 61 (+4) 80 (-16) 48
20FT WND-VAL/AM(MPH) N 8 NE 8
20FT WND-RDG/PM(MPH) N 9 N 9 NE 9 G17
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 610 1170
MIXING HGT(FT-AGL/MSL) 2000 3830
TRANSPORT WND (KTS) N 15 NE 14
TRANSPORT WND (M/S) N 8 NE 7
TRANSPORT WND (MPH) N 17 NE 16
VENT RATE (KT-FT) 30000 53620
VENT RATE (M/S-M) 4880 8190
VENT RATE (MPH-FT) 34000 61280
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 27 FAIR 21 FAIR 56 GEN GOOD
ADI LATE 31 FAIR 11 POOR 63 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH
WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
OHZ010-202015-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-30) 42 (-15) 63
RH % (24H TREND) 58 (+3) 80 (-15) 53
20FT WND-VAL/AM(MPH) N 9 NE 9 G18
20FT WND-RDG/PM(MPH) NE 10 NE 9 NE 14 G22
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 680 980
MIXING HGT(FT-AGL/MSL) 2230 3210
TRANSPORT WND (KTS) N 15 NE 16
TRANSPORT WND (M/S) N 8 NE 8
TRANSPORT WND (MPH) N 17 NE 18
VENT RATE (KT-FT) 33450 51360
VENT RATE (M/S-M) 5440 7840
VENT RATE (MPH-FT) 37910 57780
DISPERSION 3 3
SUNSHINE HOURS 3 9
RH RECOVERY EXCELLENT
ADI EARLY 22 FAIR 14 GEN POOR 49 GEN GOOD
ADI LATE VERY POOR 13 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 7 3 3
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS AROUND 50. HIGHS IN
THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
OHZ011-202015-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-30) 43 (-15) 66
RH % (24H TREND) 55 (+2) 77 (-17) 46
20FT WND-VAL/AM(MPH) N 8 G17 NE 8 G17
20FT WND-RDG/PM(MPH) N 9 N 8 NE 12 G22
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 650 1170
MIXING HGT(FT-AGL/MSL) 2130 3840
TRANSPORT WND (KTS) N 15 NE 15
TRANSPORT WND (M/S) N 8 NE 8
TRANSPORT WND (MPH) N 17 NE 17
VENT RATE (KT-FT) 31950 57600
VENT RATE (M/S-M) 5200 9360
VENT RATE (MPH-FT) 36210 65280
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 29 FAIR 31 FAIR 60 GEN GOOD
ADI LATE 33 FAIR 12 POOR 55 GEN GOOD
MAX LVORI EARLY 5 2 3
MAX LVORI LATE 3 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
OHZ012-202015-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-26) 44 (-14) 65
RH % (24H TREND) 51 (-4) 74 (-23) 47
20FT WND-VAL/AM(MPH) N 8 NE 10
20FT WND-RDG/PM(MPH) N 8 N 8 NE 14
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 670 920
MIXING HGT(FT-AGL/MSL) 2200 3020
TRANSPORT WND (KTS) N 15 NE 17
TRANSPORT WND (M/S) N 8 NE 9
TRANSPORT WND (MPH) N 17 NE 20
VENT RATE (KT-FT) 33000 51340
VENT RATE (M/S-M) 5360 8280
VENT RATE (MPH-FT) 37400 60400
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 28 FAIR 32 FAIR 44 GEN GOOD
ADI LATE 34 FAIR 15 GEN POOR 45 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WARMER. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
OHZ013-202015-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-29) 43 (-14) 65
RH % (24H TREND) 55 (-3) 80 (-14) 47
20FT WND-VAL/AM(MPH) N 7 NE 7
20FT WND-RDG/PM(MPH) N 7 N 7 NE 10 G17
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 660 1150
MIXING HGT(FT-AGL/MSL) 2170 3770
TRANSPORT WND (KTS) N 14 E 14
TRANSPORT WND (M/S) N 7 E 7
TRANSPORT WND (MPH) N 16 E 16
VENT RATE (KT-FT) 30380 52780
VENT RATE (M/S-M) 4620 8050
VENT RATE (MPH-FT) 34720 60320
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 31 FAIR 58 GEN GOOD
ADI LATE 34 FAIR 11 POOR 63 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OHZ021-202015-
SUMMIT-
INCLUDING THE CITY OF AKRON
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (-26) 43 (-17) 68
RH % (24H TREND) 57 (+1) 81 (-15) 44
20FT WND-VAL/AM(MPH) N 6 NE 7
20FT WND-RDG/PM(MPH) N 8 N 7 NE 9
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 650 1260
MIXING HGT(FT-AGL/MSL) 2130 4140
TRANSPORT WND (KTS) N 14 E 13
TRANSPORT WND (M/S) N 7 E 7
TRANSPORT WND (MPH) N 16 E 15
VENT RATE (KT-FT) 29820 53820
VENT RATE (M/S-M) 4550 8820
VENT RATE (MPH-FT) 34080 62100
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 25 FAIR 29 FAIR 56 GEN GOOD
ADI LATE 32 FAIR 8 POOR 72 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
OHZ022-202015-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 50 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-24) 43 (-17) 68
RH % (24H TREND) 54 (-4) 80 (-15) 43
20FT WND-VAL/AM(MPH) N 6 NE 7
20FT WND-RDG/PM(MPH) N 8 N 7 NE 9
PRECIP AMOUNT 0.08 0.01 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 660 1270
MIXING HGT(FT-AGL/MSL) 2150 4180
TRANSPORT WND (KTS) N 14 E 13
TRANSPORT WND (M/S) N 7 E 7
TRANSPORT WND (MPH) N 16 E 15
VENT RATE (KT-FT) 30100 54340
VENT RATE (M/S-M) 4620 8890
VENT RATE (MPH-FT) 34400 62700
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 29 FAIR 56 GEN GOOD
ADI LATE 32 FAIR 11 POOR 73 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS AROUND 70. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
OHZ032-202015-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 66 (-22) 44 (-18) 69
RH % (24H TREND) 59 (+4) 79 (-17) 45
20FT WND-VAL/AM(MPH) NW 6 NE 9
20FT WND-RDG/PM(MPH) N 9 N 9 NE 9
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 610 1230
MIXING HGT(FT-AGL/MSL) 2020 4040
TRANSPORT WND (KTS) N 15 E 13
TRANSPORT WND (M/S) N 8 E 7
TRANSPORT WND (MPH) N 17 E 15
VENT RATE (KT-FT) 30300 52520
VENT RATE (M/S-M) 4880 8610
VENT RATE (MPH-FT) 34340 60600
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 21 FAIR 23 FAIR 54 GEN GOOD
ADI LATE 31 FAIR 12 POOR 71 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 4 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
RAIN. LOWS AROUND 50. HIGHS IN THE MID 60S. EAST WINDS
AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. SOUTH WINDS 5 TO
10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
OHZ033-202015-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 66 (-22) 44 (-17) 69
RH % (24H TREND) 56 (+2) 79 (-15) 40
20FT WND-VAL/AM(MPH) NW 7 NE 7
20FT WND-RDG/PM(MPH) N 9 N 7 NE 8
PRECIP AMOUNT 0.06 0.01 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 640 1380
MIXING HGT(FT-AGL/MSL) 2110 4530
TRANSPORT WND (KTS) N 15 NE 12
TRANSPORT WND (M/S) N 8 NE 6
TRANSPORT WND (MPH) N 17 NE 14
VENT RATE (KT-FT) 31650 54360
VENT RATE (M/S-M) 5120 8280
VENT RATE (MPH-FT) 35870 63420
DISPERSION 3 4
SUNSHINE HOURS 2 9
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 30 FAIR 52 GEN GOOD
ADI LATE 34 FAIR 10 POOR 73 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS AROUND 70. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
OHZ023-202015-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-24) 43 (-17) 68
RH % (24H TREND) 53 (-2) 80 (-15) 40
20FT WND-VAL/AM(MPH) N 7 NE 7
20FT WND-RDG/PM(MPH) N 8 N 7 NE 8
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 670 1420
MIXING HGT(FT-AGL/MSL) 2200 4650
TRANSPORT WND (KTS) N 15 NE 13
TRANSPORT WND (M/S) N 8 NE 7
TRANSPORT WND (MPH) N 17 NE 15
VENT RATE (KT-FT) 33000 60450
VENT RATE (M/S-M) 5360 9940
VENT RATE (MPH-FT) 37400 69750
DISPERSION 3 4
SUNSHINE HOURS 2 10
RH RECOVERY EXCELLENT
ADI EARLY 26 FAIR 27 FAIR 55 GEN GOOD
ADI LATE 34 FAIR 10 POOR 75 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WARMER. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
OHZ014-202015-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-28) 43 (-14) 65
RH % (24H TREND) 54 (-4) 81 (-17) 47
20FT WND-VAL/AM(MPH) N 8 NE 8
20FT WND-RDG/PM(MPH) N 8 N 6 NE 11
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 690 1130
MIXING HGT(FT-AGL/MSL) 2270 3700
TRANSPORT WND (KTS) N 14 NE 16
TRANSPORT WND (M/S) N 7 NE 8
TRANSPORT WND (MPH) N 16 NE 18
VENT RATE (KT-FT) 31780 59200
VENT RATE (M/S-M) 4830 9040
VENT RATE (MPH-FT) 36320 66600
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 28 FAIR 30 FAIR 59 GEN GOOD
ADI LATE 33 FAIR 11 POOR 63 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WARMER. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
OHZ089-202015-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-25) 46 (-11) 63
RH % (24H TREND) 52 (-6) 76 (-24) 48
20FT WND-VAL/AM(MPH) N 8 NE 12 G23
20FT WND-RDG/PM(MPH) N 8 N 9 NE 15
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 690 830
MIXING HGT(FT-AGL/MSL) 2250 2710
TRANSPORT WND (KTS) N 14 NE 18
TRANSPORT WND (M/S) N 7 NE 9
TRANSPORT WND (MPH) N 16 NE 21
VENT RATE (KT-FT) 31500 48780
VENT RATE (M/S-M) 4830 7470
VENT RATE (MPH-FT) 36000 56910
DISPERSION 3 3
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 24 FAIR 31 FAIR 45 GEN GOOD
ADI LATE 31 FAIR 19 GEN POOR 46 GEN GOOD
MAX LVORI EARLY 5 2 3
MAX LVORI LATE 3 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS AROUND 50. HIGHS
IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WARMER. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
SOUTH WINDS AROUND 5 MPH.
PAZ001-202015-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (-22) 44 (-13) 64
RH % (24H TREND) 52 (-8) 74 (-26) 46
20FT WND-VAL/AM(MPH) N 7 NE 12 G20
20FT WND-RDG/PM(MPH) NW 6 NW 7 NE 15
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 3 PM
MIXING HGT(M-AGL/MSL) 620 800
MIXING HGT(FT-AGL/MSL) 2040 2620
TRANSPORT WND (KTS) W 10 NE 17
TRANSPORT WND (M/S) W 5 NE 9
TRANSPORT WND (MPH) W 12 NE 20
VENT RATE (KT-FT) 20400 44540
VENT RATE (M/S-M) 3100 7200
VENT RATE (MPH-FT) 24480 52400
DISPERSION 2 3
SUNSHINE HOURS 4 10
RH RECOVERY EXCELLENT
ADI EARLY 19 GEN POOR 19 GEN POOR 43 GEN GOOD
ADI LATE 25 FAIR 17 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. EAST WINDS AROUND 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
50S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WARMER. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. SOUTH WINDS 10 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH.
PAZ002-202015-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-25) 40 (-16) 64
RH % (24H TREND) 56 (-3) 83 (-13) 46
20FT WND-VAL/AM(MPH) N 7 NE 7
20FT WND-RDG/PM(MPH) NW 6 NW 5 NE 11
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 700 1130
MIXING HGT(FT-AGL/MSL) 2290 3710
TRANSPORT WND (KTS) NW 12 NE 16
TRANSPORT WND (M/S) NW 6 NE 8
TRANSPORT WND (MPH) NW 14 NE 18
VENT RATE (KT-FT) 27480 59360
VENT RATE (M/S-M) 4200 9040
VENT RATE (MPH-FT) 32060 66780
DISPERSION 3 4
SUNSHINE HOURS 3 10
RH RECOVERY EXCELLENT
ADI EARLY 21 FAIR 27 FAIR 62 GOOD
ADI LATE 29 FAIR 12 POOR 45 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WARMER. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
PAZ003-202015-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
310 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-24) 41 (-17) 67
RH % (24H TREND) 59 (0) 81 (-18) 41
20FT WND-VAL/AM(MPH) NW 7 NE 7
20FT WND-RDG/PM(MPH) N 7 N 6 NE 9
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 650 1380
MIXING HGT(FT-AGL/MSL) 2140 4520
TRANSPORT WND (KTS) N 12 NE 14
TRANSPORT WND (M/S) N 6 NE 7
TRANSPORT WND (MPH) N 14 NE 16
VENT RATE (KT-FT) 25680 63280
VENT RATE (M/S-M) 3900 9660
VENT RATE (MPH-FT) 29960 72320
DISPERSION 2 4
SUNSHINE HOURS 3 9
RH RECOVERY EXCELLENT
ADI EARLY 23 FAIR 26 FAIR 58 GEN GOOD
ADI LATE 28 FAIR 9 POOR 78 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
RAIN AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. WARMER. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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