460
FNUS51 KPBZ 280539
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
139 AM EDT TUE APR 28 2026
DISCUSSION
RAIN AND ISOLATED THUNDERSTORMS ARE EXPECTED TODAY WITH A
CROSSING FRONT. ANOTHER DISTURBANCE TOMORROW WILL CONTINUE RAIN
AND ISOLATED THUNDER CHANCES BEFORE DRIER AND COOLER WEATHER
RETURNS THURSDAY.
OHZ039-282100-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 40 0 90
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 73 (-2) 51 (+2) 60
RH % (24H TREND) 61 (+25) 95 (+10) 71
WIND 20FT/EARLY(MPH) S 12 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G19 LGT/VAR N 8 G17
PRECIP AMOUNT 0.04 0.00 0.68
PRECIP DURATION 1 9
PRECIP BEGIN 6 AM 6 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1260 740
MIXING HGT(FT-AGL/MSL)4130 2430
TRANSPORT WND (MPH) W 18 N 22
VENT RATE (KT-FT) 57450 53450
CATEGORY DAY 4 3
INVERSION 55F/7AM 8PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 37 FAIR 9 POOR 16 GEN POOR
MAX ADI LATE 87 GOOD 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-282100-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 90
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 71 (-3) 51 (+2) 60
RH % (24H TREND) 63 (+30) 95 (+11) 73
WIND 20FT/EARLY(MPH) S 13 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR N 8
PRECIP AMOUNT 0.04 0.00 0.67
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1150 650
MIXING HGT(FT-AGL/MSL)3760 2120
TRANSPORT WND (MPH) W 17 N 23
VENT RATE (KT-FT) 47740 51110
CATEGORY DAY 4 3
INVERSION 54F/7AM 7PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 11 POOR 18 GEN POOR
MAX ADI LATE 76 GOOD 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-282100-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 90
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 71 (-2) 50 (+2) 60
RH % (24H TREND) 61 (+33) 95 (+11) 76
WIND 20FT/EARLY(MPH) S 12 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G20 LGT/VAR N 7
PRECIP AMOUNT 0.04 0.00 0.62
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 7 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1110 620
MIXING HGT(FT-AGL/MSL)3640 2030
TRANSPORT WND (MPH) W 18 N 24
VENT RATE (KT-FT) 50260 52250
CATEGORY DAY 4 3
INVERSION 54F/6AM 7PM 56F/10AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 9 POOR 18 GEN POOR
MAX ADI LATE 70 GOOD 3 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-282100-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 40 0 90
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 74 (-1) 51 (+1) 60
RH % (24H TREND) 58 (+20) 96 (+7) 69
WIND 20FT/EARLY(MPH) S 11 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G18 LGT/VAR N 7
PRECIP AMOUNT 0.05 0.00 0.71
PRECIP DURATION 1 7
PRECIP BEGIN 6 AM 6 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1380 860
MIXING HGT(FT-AGL/MSL)4540 2840
TRANSPORT WND (MPH) W 20 N 23
VENT RATE (KT-FT) 79800 54580
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 57F/11AM
DISPERSION 5 5
MAX ADI EARLY 37 FAIR 8 POOR 19 GEN POOR
MAX ADI LATE 100 GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-282100-
HARRISON-
INCLUDING THE CITY OF CADIZ
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 73 (-2) 52 (+4) 62
RH % (24H TREND) 60 (+29) 96 (+12) 71
WIND 20FT/EARLY(MPH) S 12 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR N 7 G17
PRECIP AMOUNT 0.03 0.00 0.83
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1230 640
MIXING HGT(FT-AGL/MSL)4040 2090
TRANSPORT WND (MPH) W 18 N 22
VENT RATE (KT-FT) 59550 51440
CATEGORY DAY 4 3
INVERSION 55F/8AM 8PM 57F/10AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 10 POOR 13 GEN POOR
MAX ADI LATE 81 GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-282100-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 72 (-3) 53 (+4) 63
RH % (24H TREND) 57 (+30) 94 (+11) 74
WIND 20FT/EARLY(MPH) S 12 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G20 LGT/VAR N 7
PRECIP AMOUNT 0.04 0.00 0.79
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1090 610
MIXING HGT(FT-AGL/MSL)3560 1990
TRANSPORT WND (MPH) W 17 N 23
VENT RATE (KT-FT) 50810 50260
CATEGORY DAY 4 3
INVERSION 55F/8AM 8PM 58F/10AM
DISPERSION 5 5
MAX ADI EARLY 39 FAIR 12 POOR 16 GEN POOR
MAX ADI LATE 72 GOOD 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-282100-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 50 0 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 75 (-2) 52 (+1) 63
RH % (24H TREND) 56 (+19) 97 (+9) 68
WIND 20FT/EARLY(MPH) S 11 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G19 LGT/VAR N 7 G17
PRECIP AMOUNT 0.04 0.00 0.88
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 6 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1470 890
MIXING HGT(FT-AGL/MSL)4820 2930
TRANSPORT WND (MPH) W 21 N 22
VENT RATE (KT-FT) 79780 71320
CATEGORY DAY 4 4
INVERSION 57F/8AM 8PM 59F/11AM
DISPERSION 5 5
MAX ADI EARLY 39 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 112 VERY GOOD3 VERY POOR 67 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-282100-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 90
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 74 (-3) 53 (+3) 63
RH % (24H TREND) 59 (+24) 97 (+12) 69
WIND 20FT/EARLY(MPH) S 11 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G19 LGT/VAR N 6
PRECIP AMOUNT 0.04 0.00 0.84
PRECIP DURATION 1 9
PRECIP BEGIN 6 AM 6 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1370 750
MIXING HGT(FT-AGL/MSL)4510 2470
TRANSPORT WND (MPH) W 20 NW 22
VENT RATE (KT-FT) 61770 62460
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 58F/10AM
DISPERSION 5 5
MAX ADI EARLY 39 FAIR 8 POOR 15 GEN POOR
MAX ADI LATE 100 GOOD 3 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-282100-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 73 (-4) 54 (+5) 65
RH % (24H TREND) 58 (+31) 98 (+13) 73
WIND 20FT/EARLY(MPH) S 12 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G21 LGT/VAR NW 7 G17
PRECIP AMOUNT 0.04 0.00 0.79
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1200 630
MIXING HGT(FT-AGL/MSL)3940 2050
TRANSPORT WND (MPH) W 18 N 23
VENT RATE (KT-FT) 54840 52370
CATEGORY DAY 4 3
INVERSION 55F/8AM 7PM 57F/9AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 11 POOR 13 GEN POOR
MAX ADI LATE 78 GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-282100-
NOBLE-
INCLUDING THE CITY OF CALDWELL
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 75 (-3) 54 (+4) 64
RH % (24H TREND) 58 (+27) 100 (+13) 71
WIND 20FT/EARLY(MPH) S 10 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR N 7 G17
PRECIP AMOUNT 0.03 0.00 0.87
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1410 790
MIXING HGT(FT-AGL/MSL)4610 2590
TRANSPORT WND (MPH) W 20 NW 22
VENT RATE (KT-FT) 62110 65060
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 59F/10AM
DISPERSION 5 5
MAX ADI EARLY 35 FAIR 7 POOR 14 GEN POOR
MAX ADI LATE 102 VERY GOOD2 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-282100-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 76 (-3) 55 (+6) 65
RH % (24H TREND) 58 (+31) 98 (+13) 72
WIND 20FT/EARLY(MPH) S 9 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G20 LGT/VAR NW 6 G17
PRECIP AMOUNT 0.06 0.00 0.76
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1250 690
MIXING HGT(FT-AGL/MSL)4110 2270
TRANSPORT WND (MPH) W 17 NW 22
VENT RATE (KT-FT) 47030 63840
CATEGORY DAY 4 3
INVERSION 55F/8AM 8PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 7 POOR 19 GEN POOR
MAX ADI LATE 77 GOOD 3 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-282100-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 60 0 90
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 70 (-2) 49 (+1) 60
RH % (24H TREND) 64 (+32) 99 (+15) 81
WIND 20FT/EARLY(MPH) S 13 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G20 LGT/VAR N 7
PRECIP AMOUNT 0.06 0.00 0.64
PRECIP DURATION 2 10
PRECIP BEGIN 6 AM 7 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 830 460
MIXING HGT(FT-AGL/MSL)2740 1500
TRANSPORT WND (MPH) SW 16 N 22
VENT RATE (KT-FT) 49890 43510
CATEGORY DAY 3 3
INVERSION 53F/6AM 7PM 58F/11AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 11 POOR 15 GEN POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 39 FAIR
MAX LVORI EARLY 4 6 7
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-282100-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 20 90
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 68 (-4) 49 (+3) 61
RH % (24H TREND) 63 (+25) 100 (+15) 83
WIND 20FT/EARLY(MPH) S 11 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G19 LGT/VAR N 5
PRECIP AMOUNT 0.09 0.03 0.67
PRECIP DURATION 4 0 10
PRECIP BEGIN 6 AM 8 PM 7 AM
PRECIP END 6 PM 11 PM CONTINUING
MIXING HGT(M-AGL/MSL) 590 420
MIXING HGT(FT-AGL/MSL)1940 1360
TRANSPORT WND (MPH) SW 15 N 16
VENT RATE (KT-FT) 41870 42390
CATEGORY DAY 3 2
INVERSION 51F/6AM 7PM 58F/11AM
DISPERSION 5 5
MAX ADI EARLY 38 FAIR 8 POOR 10 POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 25 FAIR
MAX LVORI EARLY 4 6 9
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-282100-
FOREST-
INCLUDING THE CITY OF TIONESTA
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 64 (-6) 49 (+5) 61
RH % (24H TREND) 62 (+26) 100 (+20) 78
WIND 20FT/EARLY(MPH) S 9 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G19 LGT/VAR E 5
PRECIP AMOUNT 0.11 0.06 0.78
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM 8 AM
PRECIP END 4 PM 1 AM CONTINUING
MIXING HGT(M-AGL/MSL) 510 460
MIXING HGT(FT-AGL/MSL)1660 1500
TRANSPORT WND (MPH) S 20 SE 9
VENT RATE (KT-FT) 33100 26910
CATEGORY DAY 3 1
INVERSION 50F/6AM 6PM 54F/9AM
DISPERSION 5 5
MAX ADI EARLY 37 FAIR 8 POOR 12 POOR
MAX ADI LATE 40 FAIR 2 VERY POOR 21 FAIR
MAX LVORI EARLY 3 6 9
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-282100-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 60 0 90
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 72 (-1) 50 (+2) 62
RH % (24H TREND) 61 (+33) 98 (+14) 77
WIND 20FT/EARLY(MPH) S 11 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G18 LGT/VAR N 6
PRECIP AMOUNT 0.06 0.00 0.61
PRECIP DURATION 2 10
PRECIP BEGIN 6 AM 7 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 970 570
MIXING HGT(FT-AGL/MSL)3200 1880
TRANSPORT WND (MPH) W 16 N 23
VENT RATE (KT-FT) 51890 45110
CATEGORY DAY 3 3
INVERSION 53F/7AM 8PM 59F/11AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 10 POOR 15 GEN POOR
MAX ADI LATE 51 GEN GOOD 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 4 6 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-282100-
BUTLER-
INCLUDING THE CITY OF BUTLER
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 20 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (-3) 50 (+4) 63
RH % (24H TREND) 63 (+28) 100 (+13) 83
WIND 20FT/EARLY(MPH) S 10 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR N 6
PRECIP AMOUNT 0.08 0.01 0.72
PRECIP DURATION 2 1 10
PRECIP BEGIN 6 AM 8 PM 6 AM
PRECIP END 5 PM 1 AM CONTINUING
MIXING HGT(M-AGL/MSL) 810 490
MIXING HGT(FT-AGL/MSL)2650 1600
TRANSPORT WND (MPH) SW 15 N 16
VENT RATE (KT-FT) 39300 32180
CATEGORY DAY 3 2
INVERSION 51F/7AM 7PM 60F/11AM
DISPERSION 5 5
MAX ADI EARLY 38 FAIR 8 POOR 12 POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 31 FAIR
MAX LVORI EARLY 4 7 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-282100-
CLARION-
INCLUDING THE CITY OF CLARION
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 67 (-3) 51 (+6) 63
RH % (24H TREND) 62 (+22) 99 (+17) 79
WIND 20FT/EARLY(MPH) S 9 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G19 LGT/VAR E 5
PRECIP AMOUNT 0.11 0.01 0.81
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM 7 AM
PRECIP END 6 PM 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 530 440
MIXING HGT(FT-AGL/MSL)1740 1450
TRANSPORT WND (MPH) S 13 SE 13
VENT RATE (KT-FT) 29250 30190
CATEGORY DAY 2 2
INVERSION 51F/6AM 7PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 34 FAIR 8 POOR 13 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 24 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-282100-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 63 (-6) 51 (+6) 61
RH % (24H TREND) 59 (+25) 95 (+20) 76
WIND 20FT/EARLY(MPH) S 10 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G18 LGT/VAR SE 6
PRECIP AMOUNT 0.13 0.03 0.73
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 8 PM 8 AM
PRECIP END 2 PM 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 480 540
MIXING HGT(FT-AGL/MSL)1560 1770
TRANSPORT WND (MPH) S 17 SE 15
VENT RATE (KT-FT) 28480 31370
CATEGORY DAY 2 2
INVERSION 51F/6AM 6PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 32 FAIR 8 POOR 16 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 34 FAIR
MAX LVORI EARLY 3 5 7
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-282100-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (-3) 53 (+4) 63
RH % (24H TREND) 57 (+31) 95 (+12) 75
WIND 20FT/EARLY(MPH) S 9 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR N 6
PRECIP AMOUNT 0.07 0.00 0.72
PRECIP DURATION 2 10
PRECIP BEGIN 6 AM 7 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 910 600
MIXING HGT(FT-AGL/MSL)2990 1950
TRANSPORT WND (MPH) SW 17 N 23
VENT RATE (KT-FT) 51570 46150
CATEGORY DAY 3 3
INVERSION 54F/6AM 8PM 60F/11AM
DISPERSION 5 5
MAX ADI EARLY 42 GEN GOOD 8 POOR 14 GEN POOR
MAX ADI LATE 53 GEN GOOD 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 3 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-282100-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 70 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (-3) 55 (+7) 66
RH % (24H TREND) 56 (+30) 98 (+15) 77
WIND 20FT/EARLY(MPH) S 10 G19 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G18 LGT/VAR NE 7
PRECIP AMOUNT 0.10 0.00 0.70
PRECIP DURATION 2 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 11 AM CONTINUING
MIXING HGT(M-AGL/MSL) 930 590
MIXING HGT(FT-AGL/MSL)3050 1930
TRANSPORT WND (MPH) SW 17 S 14
VENT RATE (KT-FT) 52020 26720
CATEGORY DAY 3 2
INVERSION 54F/6AM 8PM 60F/10AM
DISPERSION 5 5
MAX ADI EARLY 34 FAIR 10 POOR 16 GEN POOR
MAX ADI LATE 52 GEN GOOD 3 VERY POOR 37 FAIR
MAX LVORI EARLY 3 5 7
MAX LVORI LATE 2 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-282100-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (-2) 52 (+6) 64
RH % (24H TREND) 61 (+27) 100 (+17) 80
WIND 20FT/EARLY(MPH) S 9 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 LGT/VAR E 6
PRECIP AMOUNT 0.11 0.01 0.75
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM 6 AM
PRECIP END 2 PM 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 660 500
MIXING HGT(FT-AGL/MSL)2160 1640
TRANSPORT WND (MPH) SW 13 SE 15
VENT RATE (KT-FT) 26520 31790
CATEGORY DAY 2 2
INVERSION 52F/8AM 7PM 57F/9AM
DISPERSION 5 5
MAX ADI EARLY 31 FAIR 8 POOR 14 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 35 FAIR
MAX LVORI EARLY 4 6 9
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-282100-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 60 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (-3) 55 (+7) 65
RH % (24H TREND) 55 (+27) 98 (+14) 76
WIND 20FT/EARLY(MPH) S 11 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR W 7
PRECIP AMOUNT 0.07 0.00 0.67
PRECIP DURATION 3 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 11 AM CONTINUING
MIXING HGT(M-AGL/MSL) 970 580
MIXING HGT(FT-AGL/MSL)3190 1920
TRANSPORT WND (MPH) W 16 SW 17
VENT RATE (KT-FT) 47010 38780
CATEGORY DAY 3 3
INVERSION 54F/8AM 7PM 60F/10AM
DISPERSION 5 5
MAX ADI EARLY 42 GEN GOOD 13 GEN POOR 15 GEN POOR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 2 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-282100-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 20 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 72 (-4) 56 (+9) 65
RH % (24H TREND) 56 (+30) 98 (+12) 80
WIND 20FT/EARLY(MPH) S 8 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR SW 6
PRECIP AMOUNT 0.09 0.03 0.55
PRECIP DURATION 2 1 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 980 600
MIXING HGT(FT-AGL/MSL)3220 1960
TRANSPORT WND (MPH) SW 15 SW 16
VENT RATE (KT-FT) 45710 42990
CATEGORY DAY 3 3
INVERSION 53F/8AM 7PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 47 GEN GOOD 9 POOR 14 GEN POOR
MAX ADI LATE 60 GEN GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-282100-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 70 (-2) 54 (+7) 66
RH % (24H TREND) 58 (+29) 100 (+18) 79
WIND 20FT/EARLY(MPH) S 9 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G17 LGT/VAR SE 6
PRECIP AMOUNT 0.11 0.02 0.59
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 8 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 860 590
MIXING HGT(FT-AGL/MSL)2810 1920
TRANSPORT WND (MPH) SW 15 S 15
VENT RATE (KT-FT) 36780 26670
CATEGORY DAY 3 3
INVERSION 53F/8AM 7PM 62F/10AM
DISPERSION 5 5
MAX ADI EARLY 31 FAIR 10 POOR 17 GEN POOR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 35 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-282100-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 70 (+1) 53 (+6) 67
RH % (24H TREND) 57 (+26) 96 (+19) 72
WIND 20FT/EARLY(MPH) S 9 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 G17 LGT/VAR SE 6
PRECIP AMOUNT 0.13 0.02 0.55
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM CONTINUING
PRECIP END 2 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 850 600
MIXING HGT(FT-AGL/MSL)2770 1960
TRANSPORT WND (MPH) SW 14 S 20
VENT RATE (KT-FT) 33000 40340
CATEGORY DAY 3 3
INVERSION 53F/9AM 7PM 60F/10AM
DISPERSION 5 5
MAX ADI EARLY 32 FAIR 7 POOR 22 FAIR
MAX ADI LATE 39 FAIR 4 VERY POOR 33 FAIR
MAX LVORI EARLY 3 5 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-282100-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 71 (-3) 56 (+8) 66
RH % (24H TREND) 56 (+26) 99 (+17) 80
WIND 20FT/EARLY(MPH) S 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR S 5
PRECIP AMOUNT 0.11 0.03 0.57
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 6 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 970 570
MIXING HGT(FT-AGL/MSL)3200 1880
TRANSPORT WND (MPH) SW 15 SW 16
VENT RATE (KT-FT) 41550 51230
CATEGORY DAY 3 2
INVERSION 53F/8AM 7PM 60F/9AM
DISPERSION 5 5
MAX ADI EARLY 37 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 32 FAIR
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 1 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-282100-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 69 (-1) 54 (+7) 65
RH % (24H TREND) 57 (+25) 99 (+16) 79
WIND 20FT/EARLY(MPH) S 7 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR S 5
PRECIP AMOUNT 0.16 0.03 0.60
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 510
MIXING HGT(FT-AGL/MSL)2620 1680
TRANSPORT WND (MPH) SW 15 SW 18
VENT RATE (KT-FT) 31800 51440
CATEGORY DAY 3 3
INVERSION 57F/11AM 7PM 62F/12PM
DISPERSION 5 5
MAX ADI EARLY 24 FAIR 7 POOR 12 POOR
MAX ADI LATE 42 GEN GOOD 3 VERY POOR 27 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-282100-
INDIANA-
INCLUDING THE CITY OF INDIANA
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (-2) 53 (+7) 65
RH % (24H TREND) 59 (+26) 99 (+22) 78
WIND 20FT/EARLY(MPH) S 10 G22 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G18 LGT/VAR SE 7
PRECIP AMOUNT 0.13 0.02 0.64
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM 6 AM
PRECIP END 2 PM 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 620 500
MIXING HGT(FT-AGL/MSL)2020 1650
TRANSPORT WND (MPH) S 13 SE 16
VENT RATE (KT-FT) 24870 27400
CATEGORY DAY 2 2
INVERSION 52F/6AM 7PM 59F/10AM
DISPERSION 5 5
MAX ADI EARLY 26 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 3 6 8
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-282100-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 30 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 66 (-3) 53 (+6) 65
RH % (24H TREND) 57 (+23) 95 (+21) 76
WIND 20FT/EARLY(MPH) SE 10 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 8 G18 LGT/VAR SE 7
PRECIP AMOUNT 0.15 0.02 0.53
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 8 PM CONTINUING
PRECIP END 2 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 490 510
MIXING HGT(FT-AGL/MSL)1620 1680
TRANSPORT WND (MPH) S 12 S 15
VENT RATE (KT-FT) 18720 22920
CATEGORY DAY 2 2
INVERSION 52F/9AM 4PM 59F/10AM
DISPERSION 5 5
MAX ADI EARLY 26 FAIR 6 VERY POOR 23 FAIR
MAX ADI LATE 27 FAIR 4 VERY POOR 33 FAIR
MAX LVORI EARLY 3 5 7
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-282100-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (-4) 53 (+4) 62
RH % (24H TREND) 57 (+30) 92 (+9) 75
WIND 20FT/EARLY(MPH) S 10 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G19 LGT/VAR N 6
PRECIP AMOUNT 0.05 0.00 0.74
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 7 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 970 640
MIXING HGT(FT-AGL/MSL)3180 2090
TRANSPORT WND (MPH) W 17 N 23
VENT RATE (KT-FT) 53460 50590
CATEGORY DAY 3 3
INVERSION 54F/6AM 8PM 58F/10AM
DISPERSION 5 5
MAX ADI EARLY 45 GEN GOOD 10 POOR 14 GEN POOR
MAX ADI LATE 65 GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 3 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-282100-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 72 (-3) 55 (+6) 63
RH % (24H TREND) 54 (+28) 93 (+11) 73
WIND 20FT/EARLY(MPH) S 11 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR N 7
PRECIP AMOUNT 0.04 0.00 0.84
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 10 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1060 630
MIXING HGT(FT-AGL/MSL)3470 2070
TRANSPORT WND (MPH) W 17 N 24
VENT RATE (KT-FT) 51530 53340
CATEGORY DAY 4 3
INVERSION 54F/7AM 8PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 40 FAIR 11 POOR 13 GEN POOR
MAX ADI LATE 59 GEN GOOD 3 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 3 5 6
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-282100-
OHIO-
INCLUDING THE CITY OF WHEELING
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 73 (-3) 55 (+7) 64
RH % (24H TREND) 55 (+29) 96 (+12) 74
WIND 20FT/EARLY(MPH) S 11 G21 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR NW 7
PRECIP AMOUNT 0.04 0.00 0.70
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1070 630
MIXING HGT(FT-AGL/MSL)3520 2050
TRANSPORT WND (MPH) W 16 NW 23
VENT RATE (KT-FT) 53120 57390
CATEGORY DAY 3 3
INVERSION 55F/8AM 8PM 60F/10AM
DISPERSION 5 5
MAX ADI EARLY 41 GEN GOOD 10 POOR 11 POOR
MAX ADI LATE 60 GEN GOOD 2 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 2 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-282100-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 74 (-3) 57 (+8) 65
RH % (24H TREND) 56 (+31) 97 (+13) 76
WIND 20FT/EARLY(MPH) S 10 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G19 LGT/VAR W 6
PRECIP AMOUNT 0.07 0.00 0.64
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1000 650
MIXING HGT(FT-AGL/MSL)3270 2130
TRANSPORT WND (MPH) SW 16 NW 23
VENT RATE (KT-FT) 54510 62080
CATEGORY DAY 3 3
INVERSION 55F/8AM 7PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 42 GEN GOOD 7 POOR 14 GEN POOR
MAX ADI LATE 58 GEN GOOD 3 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-282100-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 73 (-4) 58 (+9) 65
RH % (24H TREND) 57 (+32) 98 (+12) 77
WIND 20FT/EARLY(MPH) S 8 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR SW 6
PRECIP AMOUNT 0.15 0.00 0.49
PRECIP DURATION 1 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 900 640
MIXING HGT(FT-AGL/MSL)2970 2100
TRANSPORT WND (MPH) W 17 SW 17
VENT RATE (KT-FT) 54030 60620
CATEGORY DAY 3 3
INVERSION 56F/9AM 8PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 44 GEN GOOD 6 VERY POOR 13 GEN POOR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-282100-
MARION-
INCLUDING THE CITY OF FAIRMONT
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 30 100
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 72 (-6) 56 (+9) 66
RH % (24H TREND) 56 (+33) 99 (+9) 82
WIND 20FT/EARLY(MPH) S 7 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G18 LGT/VAR SW 6
PRECIP AMOUNT 0.15 0.05 0.45
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930 700
MIXING HGT(FT-AGL/MSL)3050 2290
TRANSPORT WND (MPH) SW 18 W 20
VENT RATE (KT-FT) 45330 58010
CATEGORY DAY 3 3
INVERSION 56F/9AM 8PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 41 GEN GOOD 8 POOR 13 GEN POOR
MAX ADI LATE 62 GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-282100-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 72 (-5) 56 (+8) 67
RH % (24H TREND) 55 (+30) 97 (+11) 80
WIND 20FT/EARLY(MPH) S 7 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 G18 LGT/VAR SW 6
PRECIP AMOUNT 0.11 0.03 0.48
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 9 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 960 660
MIXING HGT(FT-AGL/MSL)3130 2180
TRANSPORT WND (MPH) SW 15 W 18
VENT RATE (KT-FT) 40500 62100
CATEGORY DAY 3 3
INVERSION 53F/8AM 8PM 60F/9AM
DISPERSION 5 5
MAX ADI EARLY 43 GEN GOOD 9 POOR 15 GEN POOR
MAX ADI LATE 58 GEN GOOD 3 VERY POOR 33 FAIR
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-282100-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 68 (-7) 55 (+9) 64
RH % (24H TREND) 55 (+29) 99 (+12) 83
WIND 20FT/EARLY(MPH) S 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR S 5
PRECIP AMOUNT 0.18 0.05 0.60
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 6 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 750 450
MIXING HGT(FT-AGL/MSL)2480 1490
TRANSPORT WND (MPH) SW 15 S 15
VENT RATE (KT-FT) 33310 35260
CATEGORY DAY 3 2
INVERSION 57F/11AM 7PM 62F/1PM
DISPERSION 5 5
MAX ADI EARLY 25 FAIR 8 POOR 8 POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 7 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-282100-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 100
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 69 (-6) 55 (+8) 67
RH % (24H TREND) 58 (+31) 99 (+11) 80
WIND 20FT/EARLY(MPH) S 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR S 5
PRECIP AMOUNT 0.19 0.07 0.55
PRECIP DURATION 3 1 10
PRECIP BEGIN 6 AM 6 PM CONTINUING
PRECIP END 2 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 870 630
MIXING HGT(FT-AGL/MSL)2850 2080
TRANSPORT WND (MPH) W 15 S 17
VENT RATE (KT-FT) 38440 61250
CATEGORY DAY 3 3
INVERSION 54F/9AM 7PM 61F/10AM
DISPERSION 5 5
MAX ADI EARLY 31 FAIR 7 POOR 12 POOR
MAX ADI LATE 48 GEN GOOD 3 VERY POOR 30 FAIR
MAX LVORI EARLY 5 6 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-282100-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 100
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 67 (-3) 54 (+8) 65
RH % (24H TREND) 59 (+27) 98 (+10) 79
WIND 20FT/EARLY(MPH) S 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR S 6
PRECIP AMOUNT 0.20 0.07 0.56
PRECIP DURATION 4 1 10
PRECIP BEGIN 6 AM 6 PM CONTINUING
PRECIP END 4 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 720 650
MIXING HGT(FT-AGL/MSL)2350 2120
TRANSPORT WND (MPH) W 17 S 18
VENT RATE (KT-FT) 36710 45320
CATEGORY DAY 3 3
INVERSION 56F/11AM 7PM 62F/12PM
DISPERSION 5 5
MAX ADI EARLY 23 FAIR 8 POOR 8 POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 34 FAIR
MAX LVORI EARLY 5 6 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-282100-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 80 20 100
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 69 (-4) 54 (+8) 68
RH % (24H TREND) 58 (+32) 96 (+9) 72
WIND 20FT/EARLY(MPH) S 6 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 G17 LGT/VAR S 6 G17
PRECIP AMOUNT 0.17 0.02 0.55
PRECIP DURATION 4 0 10
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 4 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950 790
MIXING HGT(FT-AGL/MSL)3110 2590
TRANSPORT WND (MPH) W 16 S 22
VENT RATE (KT-FT) 37520 51950
CATEGORY DAY 3 3
INVERSION 54F/10AM 7PM 63F/11AM
DISPERSION 5 5
MAX ADI EARLY 27 FAIR 8 POOR 14 GEN POOR
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-282100-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
139 AM EDT TUE APR 28 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY CLOUDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 80 0 100
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 66 (0) 50 (+8) 64
RH % (24H TREND) 64 (+30) 99 (+8) 78
WIND 20FT/EARLY(MPH) S 8 G25 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G23 LGT/VAR S 7 G20
PRECIP AMOUNT 0.18 0.00 0.50
PRECIP DURATION 4 10
PRECIP BEGIN 6 AM 6 AM
PRECIP END 4 PM CONTINUING
MIXING HGT(M-AGL/MSL) 830 680
MIXING HGT(FT-AGL/MSL)2720 2220
TRANSPORT WND (MPH) W 18 S 22
VENT RATE (KT-FT) 42600 51880
CATEGORY DAY 3 3
INVERSION 53F/11AM 7PM 60F/12PM
DISPERSION 5 5
MAX ADI EARLY 25 FAIR 11 POOR 15 GEN POOR
MAX ADI LATE 49 GEN GOOD 5 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.
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