057
FNUS51 KCLE 211922
FWFCLE
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA
NATIONAL WEATHER SERVICE CLEVELAND OH
322 PM EDT THU MAY 21 2026
DISCUSSION
HIGH PRESSURE WILL LINGER OVER THE AREA INTO FRIDAY BEFORE SLOWLY
PUSHING NORTHEAST. LOW PRESSURE WILL MOVE NORTH INTO THE REGION ON
FRIDAY, MOVING A WARM FRONT NORTH ON SATURDAY FOLLOWED BY A COLD
FRONT LATE SUNDAY INTO MONDAY. HIGH PRESSURE WILL RETURN MID-WEEK.
OHZ003-220815-
LUCAS-
INCLUDING THE CITY OF TOLEDO
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 90 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 50 (+6) 62 (+2) 58 69
RH % (24H TREND) 74 (-2) 58 (+9) 93 76
20FT WND-VAL/AM(MPH) E 14 G23 E 12 G19
20FT WND-RDG/PM(MPH) E 12 G22 E 16 E 13 G23 E 11
PRECIP AMOUNT 0.00 0.00 0.59 0.42
PRECIP DURATION 6 11
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 680 610
MIXING HGT(FT-AGL/MSL) 2230 2010
TRANSPORT WND (KTS) E 20 NE 12
TRANSPORT WND (M/S) E 10 NE 6
TRANSPORT WND (MPH) E 23 NE 14
VENT RATE (KT-FT) 44600 24120
VENT RATE (M/S-M) 6800 3660
VENT RATE (MPH-FT) 51290 28140
DISPERSION 3 2
SUNSHINE HOURS 5 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 53 GEN GOOD 22 FAIR 23 FAIR VERY POOR
ADI LATE 12 POOR VERY POOR 23 FAIR VERY POOR
MAX LVORI EARLY 3 4 4 8
MAX LVORI LATE 3 4 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ006-220815-
WOOD-
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 90 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 50 (+5) 64 (+4) 58 71
RH % (24H TREND) 75 (0) 59 (+11) 92 77
20FT WND-VAL/AM(MPH) E 12 G22 SE 12 G20
20FT WND-RDG/PM(MPH) NE 14 G23 E 15 E 13 G22 SE 12
PRECIP AMOUNT 0.00 0.05 0.58 0.34
PRECIP DURATION 0 7 11
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 690 630
MIXING HGT(FT-AGL/MSL) 2270 2080
TRANSPORT WND (KTS) E 19 N 12
TRANSPORT WND (M/S) E 10 N 6
TRANSPORT WND (MPH) E 22 N 14
VENT RATE (KT-FT) 43130 24960
VENT RATE (M/S-M) 6900 3780
VENT RATE (MPH-FT) 49940 29120
DISPERSION 3 2
SUNSHINE HOURS 5 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 58 GEN GOOD 19 GEN POOR 17 GEN POOR VERY POOR
ADI LATE 15 GEN POOR VERY POOR 18 GEN POOR VERY POOR
MAX LVORI EARLY 2 4 4 7
MAX LVORI LATE 3 4 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
OHZ007-220815-
OTTAWA-
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 90 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 53 (+5) 61 (+3) 58 72
RH % (24H TREND) 74 (0) 62 (+7) 95 79
20FT WND-VAL/AM(MPH) E 16 SE 14
20FT WND-RDG/PM(MPH) E 16 G23 E 17 E 15 SE 14
PRECIP AMOUNT 0.00 0.04 0.60 0.43
PRECIP DURATION 0 6 12
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 590 540
MIXING HGT(FT-AGL/MSL) 1950 1770
TRANSPORT WND (KTS) E 20 SE 13
TRANSPORT WND (M/S) E 10 SE 7
TRANSPORT WND (MPH) E 23 SE 15
VENT RATE (KT-FT) 39000 23010
VENT RATE (M/S-M) 5900 3780
VENT RATE (MPH-FT) 44850 26550
DISPERSION 3 2
SUNSHINE HOURS 5 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 53 GEN GOOD 26 FAIR 24 FAIR VERY POOR
ADI LATE 20 GEN POOR VERY POOR 25 FAIR VERY POOR
MAX LVORI EARLY 2 4 4 8
MAX LVORI LATE 3 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
OHZ008-220815-
SANDUSKY-
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+3) 63 (+4) 58 72
RH % (24H TREND) 76 (+2) 62 (+8) 92 77
20FT WND-VAL/AM(MPH) E 12 G21 SE 13 G21
20FT WND-RDG/PM(MPH) NE 14 G23 E 14 E 12 G21 SE 13
PRECIP AMOUNT 0.00 0.06 0.60 0.38
PRECIP DURATION 0 7 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 660 560
MIXING HGT(FT-AGL/MSL) 2150 1840
TRANSPORT WND (KTS) E 18 SE 13
TRANSPORT WND (M/S) E 9 SE 7
TRANSPORT WND (MPH) E 21 SE 15
VENT RATE (KT-FT) 38700 23920
VENT RATE (M/S-M) 5940 3920
VENT RATE (MPH-FT) 45150 27600
DISPERSION 3 2
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 53 GEN GOOD 18 GEN POOR 16 GEN POOR VERY POOR
ADI LATE 14 GEN POOR VERY POOR 22 FAIR VERY POOR
MAX LVORI EARLY 2 4 4 7
MAX LVORI LATE 4 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
OHZ017-220815-
HANCOCK-
INCLUDING THE CITY OF FINDLAY
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+5) 66 (+5) 58 72
RH % (24H TREND) 77 (-5) 66 (+14) 94 77
20FT WND-VAL/AM(MPH) E 11 G20 SE 13 G21
20FT WND-RDG/PM(MPH) NE 14 G23 E 13 E 12 G20 S 13 G20
PRECIP AMOUNT 0.00 0.09 0.58 0.25
PRECIP DURATION 1 9 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 670
MIXING HGT(FT-AGL/MSL) 2610 2200
TRANSPORT WND (KTS) E 17 W 12
TRANSPORT WND (M/S) E 9 W 6
TRANSPORT WND (MPH) E 20 W 14
VENT RATE (KT-FT) 44370 26400
VENT RATE (M/S-M) 7200 4020
VENT RATE (MPH-FT) 52200 30800
DISPERSION 3 3
SUNSHINE HOURS 4 2
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 52 GEN GOOD 16 GEN POOR 15 GEN POOR VERY POOR
ADI LATE 14 GEN POOR VERY POOR 15 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 8
MAX LVORI LATE 4 4 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS 5 TO 10 MPH.
OHZ018-220815-
SENECA-
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 48 (+3) 66 (+7) 58 71
RH % (24H TREND) 76 (-2) 64 (+9) 91 79
20FT WND-VAL/AM(MPH) E 11 G19 SE 14 G23
20FT WND-RDG/PM(MPH) NE 13 G23 E 12 E 12 G20 S 13 G23
PRECIP AMOUNT 0.00 0.08 0.60 0.35
PRECIP DURATION 1 9 12
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 820 590
MIXING HGT(FT-AGL/MSL) 2680 1950
TRANSPORT WND (KTS) E 16 S 13
TRANSPORT WND (M/S) E 8 S 7
TRANSPORT WND (MPH) E 18 S 15
VENT RATE (KT-FT) 42880 25350
VENT RATE (M/S-M) 6560 4130
VENT RATE (MPH-FT) 48240 29250
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 49 GEN GOOD 16 GEN POOR 16 GEN POOR VERY POOR
ADI LATE 13 GEN POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 5 7
MAX LVORI LATE 4 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ027-220815-
WYANDOT-
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+4) 66 (+5) 59 71
RH % (24H TREND) 78 (-3) 65 (+9) 92 78
20FT WND-VAL/AM(MPH) E 9 G17 SE 14 G23
20FT WND-RDG/PM(MPH) NE 12 G21 E 11 E 11 G19 S 13 G22
PRECIP AMOUNT 0.00 0.11 0.61 0.30
PRECIP DURATION 1 10 12
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 660
MIXING HGT(FT-AGL/MSL) 2630 2170
TRANSPORT WND (KTS) E 15 S 13
TRANSPORT WND (M/S) E 8 S 7
TRANSPORT WND (MPH) E 17 S 15
VENT RATE (KT-FT) 39450 28210
VENT RATE (M/S-M) 6400 4620
VENT RATE (MPH-FT) 44710 32550
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 45 GEN GOOD 19 GEN POOR 16 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 16 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 7
MAX LVORI LATE 4 4 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS AROUND 5 MPH.
OHZ028-220815-
CRAWFORD-
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+5) 66 (+5) 58 70
RH % (24H TREND) 78 (-2) 65 (+8) 91 79
20FT WND-VAL/AM(MPH) E 10 SE 14 G23
20FT WND-RDG/PM(MPH) NE 11 G20 E 11 E 13 G21 S 14 G23
PRECIP AMOUNT 0.00 0.10 0.61 0.36
PRECIP DURATION 1 11 12
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 790 610
MIXING HGT(FT-AGL/MSL) 2600 2010
TRANSPORT WND (KTS) E 15 S 14
TRANSPORT WND (M/S) E 8 S 7
TRANSPORT WND (MPH) E 17 S 16
VENT RATE (KT-FT) 39000 28140
VENT RATE (M/S-M) 6320 4270
VENT RATE (MPH-FT) 44200 32160
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 42 GEN GOOD 16 GEN POOR 19 GEN POOR VERY POOR
ADI LATE 13 GEN POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 7
MAX LVORI LATE 4 4 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTHEAST
WINDS AROUND 5 MPH.
OHZ036-220815-
MARION-
INCLUDING THE CITY OF MARION
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+6) 66 (+3) 59 71
RH % (24H TREND) 82 (-5) 73 (+15) 94 82
20FT WND-VAL/AM(MPH) E 8 SE 14 G23
20FT WND-RDG/PM(MPH) NE 11 E 10 E 12 G20 S 13 G21
PRECIP AMOUNT 0.00 0.17 0.64 0.29
PRECIP DURATION 1 10 12
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 740 670
MIXING HGT(FT-AGL/MSL) 2440 2200
TRANSPORT WND (KTS) E 14 SW 13
TRANSPORT WND (M/S) E 7 SW 7
TRANSPORT WND (MPH) E 16 SW 15
VENT RATE (KT-FT) 34160 28600
VENT RATE (M/S-M) 5180 4690
VENT RATE (MPH-FT) 39040 33000
DISPERSION 3 3
SUNSHINE HOURS 3 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 43 GEN GOOD 28 FAIR 18 GEN POOR VERY POOR
ADI LATE 11 POOR 30 FAIR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 7 8
MAX LVORI LATE 4 6 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ037-220815-
MORROW-
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+6) 65 (+2) 58 70
RH % (24H TREND) 83 (-7) 75 (+17) 97 83
20FT WND-VAL/AM(MPH) E 11 SE 14 G23
20FT WND-RDG/PM(MPH) NE 9 E 11 E 13 G21 S 12 G20
PRECIP AMOUNT 0.00 0.17 0.69 0.35
PRECIP DURATION 2 11 12
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 690 600
MIXING HGT(FT-AGL/MSL) 2260 1970
TRANSPORT WND (KTS) E 17 SW 15
TRANSPORT WND (M/S) E 9 SW 8
TRANSPORT WND (MPH) E 20 SW 17
VENT RATE (KT-FT) 38420 29550
VENT RATE (M/S-M) 6210 4800
VENT RATE (MPH-FT) 45200 33490
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 37 FAIR 15 GEN POOR 19 GEN POOR VERY POOR
ADI LATE 13 GEN POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 4 5 7 9
MAX LVORI LATE 4 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ009-220815-
ERIE-
INCLUDING THE CITIES OF SANDUSKY AND HURON
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 90 90
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+3) 65 (+8) 57 72
RH % (24H TREND) 76 (-3) 67 (+5) 92 81
20FT WND-VAL/AM(MPH) E 12 G20 SE 14 G23
20FT WND-RDG/PM(MPH) NE 16 E 13 E 12 SE 12 G21
PRECIP AMOUNT 0.00 0.05 0.61 0.45
PRECIP DURATION 0 8 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 700 520
MIXING HGT(FT-AGL/MSL) 2300 1700
TRANSPORT WND (KTS) E 17 SE 15
TRANSPORT WND (M/S) E 9 SE 8
TRANSPORT WND (MPH) E 20 SE 17
VENT RATE (KT-FT) 39100 25500
VENT RATE (M/S-M) 6300 4160
VENT RATE (MPH-FT) 46000 28900
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 47 GEN GOOD 18 GEN POOR 17 GEN POOR VERY POOR
ADI LATE 16 GEN POOR VERY POOR 23 FAIR VERY POOR
MAX LVORI EARLY 3 4 4 7
MAX LVORI LATE 3 4 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 60S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
OHZ019-220815-
HURON-
INCLUDING THE CITIES OF NORWALK AND WILLARD
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 90 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 48 (+4) 67 (+8) 57 70
RH % (24H TREND) 77 (-3) 64 (+4) 91 79
20FT WND-VAL/AM(MPH) E 10 G17 SE 14 G23
20FT WND-RDG/PM(MPH) NE 11 G21 E 11 E 11 G21 SE 12 G22
PRECIP AMOUNT 0.00 0.07 0.59 0.41
PRECIP DURATION 1 9 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 850 520
MIXING HGT(FT-AGL/MSL) 2800 1690
TRANSPORT WND (KTS) E 16 S 14
TRANSPORT WND (M/S) E 8 S 7
TRANSPORT WND (MPH) E 18 S 16
VENT RATE (KT-FT) 44800 23660
VENT RATE (M/S-M) 6800 3640
VENT RATE (MPH-FT) 50400 27040
DISPERSION 3 2
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 15 GEN POOR 18 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 5 7
MAX LVORI LATE 4 4 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND
80. NORTHEAST WINDS AROUND 5 MPH.
OHZ029-220815-
RICHLAND-
INCLUDING THE CITY OF MANSFIELD
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+6) 65 (+3) 57 69
RH % (24H TREND) 81 (-2) 67 (+12) 94 78
20FT WND-VAL/AM(MPH) E 9 G17 SE 13 G23
20FT WND-RDG/PM(MPH) NE 9 G17 E 11 G18 E 12 G21 S 11 G21
PRECIP AMOUNT 0.00 0.13 0.68 0.42
PRECIP DURATION 1 11 12
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 750 540
MIXING HGT(FT-AGL/MSL) 2450 1780
TRANSPORT WND (KTS) E 16 S 15
TRANSPORT WND (M/S) E 8 S 8
TRANSPORT WND (MPH) E 18 S 17
VENT RATE (KT-FT) 39200 26700
VENT RATE (M/S-M) 6000 4320
VENT RATE (MPH-FT) 44100 30260
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 39 FAIR 15 GEN POOR 19 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 8
MAX LVORI LATE 4 5 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS AROUND 80. SOUTHEAST WINDS AROUND
5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ030-220815-
ASHLAND-
INCLUDING THE CITY OF ASHLAND
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 90 100
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 49 (+6) 65 (+3) 56 69
RH % (24H TREND) 81 (-3) 68 (+13) 94 81
20FT WND-VAL/AM(MPH) E 9 SE 13 G23
20FT WND-RDG/PM(MPH) NE 8 E 10 G18 E 12 G22 SE 11 G22
PRECIP AMOUNT 0.00 0.12 0.66 0.42
PRECIP DURATION 1 11 12
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 770 510
MIXING HGT(FT-AGL/MSL) 2530 1660
TRANSPORT WND (KTS) E 16 S 16
TRANSPORT WND (M/S) E 8 S 8
TRANSPORT WND (MPH) E 18 S 18
VENT RATE (KT-FT) 40480 26560
VENT RATE (M/S-M) 6160 4080
VENT RATE (MPH-FT) 45540 29880
DISPERSION 3 3
SUNSHINE HOURS 3 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 39 FAIR 20 GEN POOR 18 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 8
MAX LVORI LATE 4 4 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ047-220815-
KNOX-
INCLUDING THE CITY OF MOUNT VERNON
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 100 100
CHANCE OF THUNDER (%) 0 20 30 30
TEMP (24H TREND) 51 (+7) 65 (+2) 57 71
RH % (24H TREND) 84 (-7) 75 (+20) 98 81
20FT WND-VAL/AM(MPH) E 8 SE 11 G20
20FT WND-RDG/PM(MPH) NE 7 E 9 E 11 G20 S 10 G18
PRECIP AMOUNT 0.00 0.24 0.77 0.36
PRECIP DURATION 3 11 12
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 680 530
MIXING HGT(FT-AGL/MSL) 2230 1730
TRANSPORT WND (KTS) E 14 S 15
TRANSPORT WND (M/S) E 7 S 8
TRANSPORT WND (MPH) E 16 S 17
VENT RATE (KT-FT) 31220 25950
VENT RATE (M/S-M) 4760 4240
VENT RATE (MPH-FT) 35680 29410
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 60 GEN GOOD 29 FAIR 16 GEN POOR VERY POOR
ADI LATE 11 POOR 31 FAIR 15 GEN POOR VERY POOR
MAX LVORI EARLY 4 4 7 9
MAX LVORI LATE 4 6 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. EAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ038-220815-
HOLMES-
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 100 100
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 52 (+7) 65 (+2) 56 70
RH % (24H TREND) 81 (-9) 72 (+18) 94 79
20FT WND-VAL/AM(MPH) E 8 SE 11 G21
20FT WND-RDG/PM(MPH) NE 7 E 9 G17 E 11 G21 SE 10 G20
PRECIP AMOUNT 0.00 0.18 0.69 0.42
PRECIP DURATION 2 12 12
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 730 480
MIXING HGT(FT-AGL/MSL) 2410 1570
TRANSPORT WND (KTS) E 15 S 17
TRANSPORT WND (M/S) E 8 S 9
TRANSPORT WND (MPH) E 17 S 20
VENT RATE (KT-FT) 36150 26690
VENT RATE (M/S-M) 5840 4320
VENT RATE (MPH-FT) 40970 31400
DISPERSION 3 3
SUNSHINE HOURS 3 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 60 GEN GOOD 32 FAIR 18 GEN POOR VERY POOR
ADI LATE 11 POOR 35 FAIR 17 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 8
MAX LVORI LATE 4 5 5 9
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 60. HIGHS IN
THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
OHZ031-220815-
WAYNE-
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 100 100
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 50 (+6) 65 (+2) 55 69
RH % (24H TREND) 81 (-4) 69 (+15) 96 81
20FT WND-VAL/AM(MPH) E 10 G17 SE 14 G23
20FT WND-RDG/PM(MPH) NE 8 E 11 G19 E 13 G22 SE 13 G22
PRECIP AMOUNT 0.00 0.12 0.64 0.45
PRECIP DURATION 1 11 12
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 480
MIXING HGT(FT-AGL/MSL) 2640 1580
TRANSPORT WND (KTS) E 17 SE 17
TRANSPORT WND (M/S) E 9 SE 9
TRANSPORT WND (MPH) E 20 SE 20
VENT RATE (KT-FT) 44880 26860
VENT RATE (M/S-M) 7200 4320
VENT RATE (MPH-FT) 52800 31600
DISPERSION 3 3
SUNSHINE HOURS 3 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 62 GOOD 15 GEN POOR 19 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 19 GEN POOR VERY POOR
MAX LVORI EARLY 4 4 6 8
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ020-220815-
MEDINA-
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 100 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+5) 66 (+3) 55 68
RH % (24H TREND) 79 (-4) 65 (+9) 96 85
20FT WND-VAL/AM(MPH) E 9 G18 SE 15 G25
20FT WND-RDG/PM(MPH) NE 9 E 11 G19 SE 12 G23 SE 13 G24
PRECIP AMOUNT 0.00 0.07 0.60 0.46
PRECIP DURATION 1 9 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 850 490
MIXING HGT(FT-AGL/MSL) 2780 1620
TRANSPORT WND (KTS) E 17 SE 18
TRANSPORT WND (M/S) E 9 SE 9
TRANSPORT WND (MPH) E 20 SE 21
VENT RATE (KT-FT) 47260 29160
VENT RATE (M/S-M) 7650 4410
VENT RATE (MPH-FT) 55600 34020
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 50 GEN GOOD 16 GEN POOR 19 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 21 FAIR VERY POOR
MAX LVORI EARLY 3 4 5 9
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ010-220815-
LORAIN-
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,
AND AVON LAKE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 90 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 48 (+3) 67 (+8) 56 70
RH % (24H TREND) 80 (-1) 64 (+4) 94 82
20FT WND-VAL/AM(MPH) E 9 SE 15 G25
20FT WND-RDG/PM(MPH) NE 12 G22 E 11 G18 E 11 G21 SE 14 G23
PRECIP AMOUNT 0.00 0.05 0.63 0.44
PRECIP DURATION 0 8 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930 510
MIXING HGT(FT-AGL/MSL) 3050 1670
TRANSPORT WND (KTS) E 16 SE 16
TRANSPORT WND (M/S) E 8 SE 8
TRANSPORT WND (MPH) E 18 SE 18
VENT RATE (KT-FT) 48800 26720
VENT RATE (M/S-M) 7440 4080
VENT RATE (MPH-FT) 54900 30060
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 38 FAIR 27 FAIR 18 GEN POOR VERY POOR
ADI LATE 11 POOR VERY POOR 21 FAIR VERY POOR
MAX LVORI EARLY 3 4 4 8
MAX LVORI LATE 4 4 5 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND
80. EAST WINDS AROUND 5 MPH.
OHZ011-220815-
CUYAHOGA-
INCLUDING THE CITY OF CLEVELAND
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 90 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+4) 67 (+6) 54 68
RH % (24H TREND) 73 (-5) 59 (+3) 93 77
20FT WND-VAL/AM(MPH) E 9 G18 SE 15 G27
20FT WND-RDG/PM(MPH) NE 10 G21 E 10 G19 E 10 G23 SE 14 G25
PRECIP AMOUNT 0.00 0.00 0.54 0.49
PRECIP DURATION 6 12
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 910 480
MIXING HGT(FT-AGL/MSL) 2990 1560
TRANSPORT WND (KTS) E 16 SE 18
TRANSPORT WND (M/S) E 8 SE 9
TRANSPORT WND (MPH) E 18 SE 21
VENT RATE (KT-FT) 47840 28080
VENT RATE (M/S-M) 7280 4320
VENT RATE (MPH-FT) 53820 32760
DISPERSION 3 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 35 FAIR 23 FAIR VERY POOR
ADI LATE 9 POOR 38 FAIR 25 FAIR VERY POOR
MAX LVORI EARLY 3 3 4 8
MAX LVORI LATE 3 3 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
OHZ012-220815-
LAKE-
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,
PAINESVILLE, WILLOWICK, AND WICKLIFFE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 90 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 50 (+3) 67 (+8) 54 67
RH % (24H TREND) 70 (-7) 59 (+2) 91 74
20FT WND-VAL/AM(MPH) E 9 SE 16 G27
20FT WND-RDG/PM(MPH) NE 12 G19 E 11 E 10 G20 SE 17 G25
PRECIP AMOUNT 0.00 0.00 0.47 0.57
PRECIP DURATION 4 12
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 810 480
MIXING HGT(FT-AGL/MSL) 2670 1580
TRANSPORT WND (KTS) E 16 SE 20
TRANSPORT WND (M/S) E 8 SE 10
TRANSPORT WND (MPH) E 18 SE 23
VENT RATE (KT-FT) 42720 31600
VENT RATE (M/S-M) 6480 4800
VENT RATE (MPH-FT) 48060 36340
DISPERSION 3 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 43 GEN GOOD 28 FAIR 19 GEN POOR VERY POOR
ADI LATE 11 POOR VERY POOR 25 FAIR VERY POOR
MAX LVORI EARLY 3 3 3 7
MAX LVORI LATE 3 3 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS AROUND 60. HIGHS IN THE MID 70S. SOUTH
WINDS 5 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 70S. LIGHT WINDS.
TUESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ013-220815-
GEAUGA-
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,
CHESTERLAND, MIDDLEFIELD, AND BURTON
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 90 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 48 (+4) 66 (+5) 52 63
RH % (24H TREND) 72 (-10) 60 (+5) 96 80
20FT WND-VAL/AM(MPH) E 9 G18 SE 14 G27
20FT WND-RDG/PM(MPH) NE 9 G17 E 10 G18 SE 10 G22 SE 13 G25
PRECIP AMOUNT 0.00 0.00 0.52 0.57
PRECIP DURATION 5 12
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 870 500
MIXING HGT(FT-AGL/MSL) 2850 1630
TRANSPORT WND (KTS) SE 19 SE 20
TRANSPORT WND (M/S) SE 10 SE 10
TRANSPORT WND (MPH) SE 22 SE 23
VENT RATE (KT-FT) 54150 32600
VENT RATE (M/S-M) 8700 5000
VENT RATE (MPH-FT) 62700 37490
DISPERSION 4 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 39 FAIR 36 FAIR 23 FAIR VERY POOR
ADI LATE 10 POOR VERY POOR 22 FAIR VERY POOR
MAX LVORI EARLY 3 3 4 9
MAX LVORI LATE 3 3 5 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY THROUGH THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH.
OHZ021-220815-
SUMMIT-
INCLUDING THE CITY OF AKRON
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 100 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+5) 66 (+2) 54 66
RH % (24H TREND) 78 (-4) 62 (+11) 96 83
20FT WND-VAL/AM(MPH) E 9 G18 SE 13 G25
20FT WND-RDG/PM(MPH) NE 8 E 10 G20 E 11 G23 SE 13 G23
PRECIP AMOUNT 0.00 0.07 0.59 0.51
PRECIP DURATION 1 8 12
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 860 470
MIXING HGT(FT-AGL/MSL) 2820 1550
TRANSPORT WND (KTS) E 18 SE 18
TRANSPORT WND (M/S) E 9 SE 9
TRANSPORT WND (MPH) E 21 SE 21
VENT RATE (KT-FT) 50760 27900
VENT RATE (M/S-M) 7740 4230
VENT RATE (MPH-FT) 59220 32550
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 63 GOOD 27 FAIR 24 FAIR VERY POOR
ADI LATE 13 GEN POOR VERY POOR 22 FAIR VERY POOR
MAX LVORI EARLY 3 4 5 9
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ022-220815-
PORTAGE-
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 100 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 50 (+6) 66 (+2) 52 66
RH % (24H TREND) 75 (-6) 61 (+12) 96 80
20FT WND-VAL/AM(MPH) E 9 G18 SE 13 G24
20FT WND-RDG/PM(MPH) NE 8 E 10 G19 E 11 G22 SE 12 G23
PRECIP AMOUNT 0.00 0.06 0.61 0.56
PRECIP DURATION 0 7 12
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 880 490
MIXING HGT(FT-AGL/MSL) 2890 1590
TRANSPORT WND (KTS) SE 18 SE 19
TRANSPORT WND (M/S) SE 9 SE 10
TRANSPORT WND (MPH) SE 21 SE 22
VENT RATE (KT-FT) 52020 30210
VENT RATE (M/S-M) 7920 4900
VENT RATE (MPH-FT) 60690 34980
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 62 GOOD 38 FAIR 24 FAIR VERY POOR
ADI LATE 13 GEN POOR VERY POOR 25 FAIR VERY POOR
MAX LVORI EARLY 3 4 4 9
MAX LVORI LATE 3 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ032-220815-
STARK-
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 100 100
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 51 (+6) 66 (+2) 54 69
RH % (24H TREND) 78 (-7) 67 (+15) 95 80
20FT WND-VAL/AM(MPH) E 10 G18 SE 13 G23
20FT WND-RDG/PM(MPH) NE 7 E 11 G19 E 12 G22 SE 13 G21
PRECIP AMOUNT 0.00 0.12 0.65 0.51
PRECIP DURATION 1 11 12
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 850 460
MIXING HGT(FT-AGL/MSL) 2790 1520
TRANSPORT WND (KTS) E 18 SE 18
TRANSPORT WND (M/S) E 9 SE 9
TRANSPORT WND (MPH) E 21 SE 21
VENT RATE (KT-FT) 50220 27360
VENT RATE (M/S-M) 7650 4140
VENT RATE (MPH-FT) 58590 31920
DISPERSION 3 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 43 GEN GOOD 15 GEN POOR 21 FAIR VERY POOR
ADI LATE 12 POOR VERY POOR 20 GEN POOR VERY POOR
MAX LVORI EARLY 3 4 6 8
MAX LVORI LATE 4 4 5 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTH WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ033-220815-
MAHONING-
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLDY CLOUDY CLOUDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 100 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 51 (+6) 65 (0) 51 65
RH % (24H TREND) 74 (-8) 61 (+14) 94 77
20FT WND-VAL/AM(MPH) E 9 G17 SE 13 G23
20FT WND-RDG/PM(MPH) NE 6 E 10 G18 SE 11 G21 SE 13 G22
PRECIP AMOUNT 0.00 0.06 0.61 0.52
PRECIP DURATION 0 7 12
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 920 490
MIXING HGT(FT-AGL/MSL) 3020 1620
TRANSPORT WND (KTS) SE 19 SE 20
TRANSPORT WND (M/S) SE 10 SE 10
TRANSPORT WND (MPH) SE 22 SE 23
VENT RATE (KT-FT) 57380 32400
VENT RATE (M/S-M) 9200 4900
VENT RATE (MPH-FT) 66440 37260
DISPERSION 4 3
SUNSHINE HOURS 4 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 53 GEN GOOD 24 FAIR 24 FAIR VERY POOR
ADI LATE 12 POOR VERY POOR 26 FAIR VERY POOR
MAX LVORI EARLY 3 4 4 8
MAX LVORI LATE 3 4 4 7
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ023-220815-
TRUMBULL-
INCLUDING THE CITIES OF WARREN AND NILES
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 90 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 49 (+4) 66 (+1) 51 63
RH % (24H TREND) 74 (-7) 57 (+10) 94 76
20FT WND-VAL/AM(MPH) E 8 G17 SE 13 G24
20FT WND-RDG/PM(MPH) NE 6 E 9 G19 SE 10 G21 SE 13 G25
PRECIP AMOUNT 0.00 0.00 0.51 0.56
PRECIP DURATION 6 12
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 900 510
MIXING HGT(FT-AGL/MSL) 2950 1680
TRANSPORT WND (KTS) SE 18 SE 22
TRANSPORT WND (M/S) SE 9 SE 11
TRANSPORT WND (MPH) SE 21 SE 25
VENT RATE (KT-FT) 53100 36960
VENT RATE (M/S-M) 8100 5610
VENT RATE (MPH-FT) 61950 42000
DISPERSION 4 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 60 GEN GOOD 36 FAIR 22 FAIR VERY POOR
ADI LATE 10 POOR 44 GEN GOOD 25 FAIR VERY POOR
MAX LVORI EARLY 3 3 4 8
MAX LVORI LATE 3 3 5 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
OHZ014-220815-
ASHTABULA INLAND-
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,
AND ROAMING SHORES
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 80 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 48 (+3) 66 (+5) 51 63
RH % (24H TREND) 74 (-8) 56 (+2) 94 74
20FT WND-VAL/AM(MPH) E 8 SE 15 G24
20FT WND-RDG/PM(MPH) NE 9 G17 E 10 G18 SE 9 G20 SE 17 G27
PRECIP AMOUNT 0.00 0.00 0.45 0.59
PRECIP DURATION 4 11
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930 520
MIXING HGT(FT-AGL/MSL) 3040 1710
TRANSPORT WND (KTS) SE 17 SE 23
TRANSPORT WND (M/S) SE 9 SE 12
TRANSPORT WND (MPH) SE 20 SE 26
VENT RATE (KT-FT) 51680 39330
VENT RATE (M/S-M) 8370 6240
VENT RATE (MPH-FT) 60800 44460
DISPERSION 4 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 38 FAIR 33 FAIR 40 FAIR VERY POOR
ADI LATE 9 POOR 42 GEN GOOD 21 FAIR VERY POOR
MAX LVORI EARLY 3 2 4 8
MAX LVORI LATE 3 2 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS 5 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND 80.
LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
OHZ089-220815-
ASHTABULA LAKESHORE-
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 100
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 49 (+2) 65 (+7) 54 64
RH % (24H TREND) 69 (-9) 58 (+1) 91 73
20FT WND-VAL/AM(MPH) E 10 SE 15 G23
20FT WND-RDG/PM(MPH) NE 14 E 11 E 9 SE 18
PRECIP AMOUNT 0.00 0.00 0.41 0.66
PRECIP DURATION 3 12
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 750 510
MIXING HGT(FT-AGL/MSL) 2470 1680
TRANSPORT WND (KTS) E 15 SE 23
TRANSPORT WND (M/S) E 8 SE 12
TRANSPORT WND (MPH) E 17 SE 26
VENT RATE (KT-FT) 37050 38640
VENT RATE (M/S-M) 6000 6120
VENT RATE (MPH-FT) 41990 43680
DISPERSION 3 3
SUNSHINE HOURS 6 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 45 GEN GOOD 29 FAIR 20 GEN POOR VERY POOR
ADI LATE 12 POOR VERY POOR 25 FAIR VERY POOR
MAX LVORI EARLY 3 2 4 7
MAX LVORI LATE 3 3 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 70S. SOUTH
WINDS 5 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 70S. LIGHT WINDS.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS
AROUND 80. LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
PAZ001-220815-
NORTHERN ERIE-
INCLUDING THE CITY OF ERIE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 80 100
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 48 (+1) 65 (+8) 53 62
RH % (24H TREND) 64 (-11) 53 (-2) 84 69
20FT WND-VAL/AM(MPH) E 9 SE 16 G27
20FT WND-RDG/PM(MPH) NE 13 G20 E 9 E 8 SE 18 G29
PRECIP AMOUNT 0.00 0.00 0.29 0.77
PRECIP DURATION 2 12
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 680 540
MIXING HGT(FT-AGL/MSL) 2250 1770
TRANSPORT WND (KTS) E 14 SE 23
TRANSPORT WND (M/S) E 7 SE 12
TRANSPORT WND (MPH) E 16 SE 26
VENT RATE (KT-FT) 31500 40710
VENT RATE (M/S-M) 4760 6480
VENT RATE (MPH-FT) 36000 46020
DISPERSION 3 3
SUNSHINE HOURS 6 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 37 FAIR 30 FAIR 16 GEN POOR VERY POOR
ADI LATE 11 POOR 29 FAIR 19 GEN POOR VERY POOR
MAX LVORI EARLY 2 2 3 6
MAX LVORI LATE 3 2 4 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
SOUTH WINDS 5 TO 20 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
PAZ002-220815-
SOUTHERN ERIE-
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 80 100
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 44 (+1) 64 (+4) 48 59
RH % (24H TREND) 65 (-16) 54 (+1) 91 73
20FT WND-VAL/AM(MPH) E 9 SE 15 G29
20FT WND-RDG/PM(MPH) NE 9 G17 SE 9 SE 9 G20 SE 17 G31
PRECIP AMOUNT 0.00 0.00 0.31 0.71
PRECIP DURATION 3 11
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1070 520
MIXING HGT(FT-AGL/MSL) 3520 1710
TRANSPORT WND (KTS) SE 15 SE 27
TRANSPORT WND (M/S) SE 8 SE 14
TRANSPORT WND (MPH) SE 17 SE 31
VENT RATE (KT-FT) 52800 46170
VENT RATE (M/S-M) 8560 7280
VENT RATE (MPH-FT) 59840 53010
DISPERSION 4 3
SUNSHINE HOURS 6 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 40 FAIR 36 FAIR 34 FAIR VERY POOR
ADI LATE 10 POOR 44 GEN GOOD 23 FAIR VERY POOR
MAX LVORI EARLY 3 2 3 7
MAX LVORI LATE 3 1 4 6
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE MID 50S. HIGHS AROUND 70.
SOUTHEAST WINDS 5 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. HIGHS IN THE LOWER 70S. LIGHT WINDS.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
PAZ003-220815-
CRAWFORD-
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE
322 PM EDT THU MAY 21 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY CLOUDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 90 100
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 45 (+1) 65 (+2) 48 58
RH % (24H TREND) 68 (-13) 57 (+7) 95 78
20FT WND-VAL/AM(MPH) E 8 SE 14 G26
20FT WND-RDG/PM(MPH) NE 7 SE 9 G18 SE 9 G21 SE 15 G29
PRECIP AMOUNT 0.00 0.00 0.37 0.64
PRECIP DURATION 3 11
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950 500
MIXING HGT(FT-AGL/MSL) 3120 1650
TRANSPORT WND (KTS) SE 17 SE 23
TRANSPORT WND (M/S) SE 9 SE 12
TRANSPORT WND (MPH) SE 20 SE 26
VENT RATE (KT-FT) 53040 37950
VENT RATE (M/S-M) 8550 6000
VENT RATE (MPH-FT) 62400 42900
DISPERSION 4 3
SUNSHINE HOURS 5 1
RH RECOVERY EXCELLENT EXCELLENT
ADI EARLY 63 GOOD 35 FAIR 38 FAIR VERY POOR
ADI LATE 9 POOR 48 GEN GOOD 25 FAIR VERY POOR
MAX LVORI EARLY 3 2 3 8
MAX LVORI LATE 3 2 4 8
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS 5 TO 15 MPH.
MEMORIAL DAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. HIGHS IN THE MID 70S. LIGHT WINDS.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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