446
FNUS51 KPBZ 220513
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
113 AM EDT WED APR 22 2026
DISCUSSION
SCATTERED SHOWERS ARE EXPECTED THIS MORNING AS A WEAK COLD FRONT
TRACKS SOUTH ACROSS THE AREA. MOST OF THE SHOWER POTENTIAL WILL
SHIFT SOUTH OF PITTSBURGH BY THIS AFTERNOON. MINIMUM RELATIVE
HUMIDITY LEVELS ARE EXPECTED TO DROP TO BETWEEN 40 AND 50 PERCENT
NORTH OF INTERSTATE 70 BEHIND THE FRONT, WITH LEVELS FROM 50 TO 60
PERCENT TO THE SOUTH. RAINFALL AMOUNTS SHOULD BE LIGHT, GENERALLY
LESS THAN A TENTH OF AN INCH FOR MOST AREAS.
MAINLY DRY WEATHER IS EXPECTED ON THURSDAY AS HIGH PRESSURE
BRIEFLY BUILDS IN FROM THE NORTH, THOUGH AREAS ACROSS NORTHERN WV
COULD SEE AN AFTERNOON SHOWER. MORE WIDESPREAD SHOWERS AND
POSSIBLE THUNDERSTORMS ARE EXPECTED LATE FRIDAY INTO SATURDAY WITH
THE APPROACH AND PASSAGE OF ANOTHER COLD FRONT.
OHZ039-222030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+6) 50 (+2) 78
RH % (24H TREND) 43 (+12) 90 (+10) 44
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1670 1520
MIXING HGT(FT-AGL/MSL)5480 4980
TRANSPORT WND (MPH) NW 14 SW 10
VENT RATE (KT-FT) 53420 44820
CATEGORY DAY 4 3
INVERSION 60F/9AM 8PM 58F/9AM
DISPERSION 5 3
MAX ADI EARLY 40 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 84 GOOD 2 VERY POOR 62 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-222030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+7) 49 (+2) 78
RH % (24H TREND) 43 (+10) 88 (+9) 43
WIND 20FT/EARLY(MPH) W 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1710 1590
MIXING HGT(FT-AGL/MSL)5610 5210
TRANSPORT WND (MPH) NW 16 SW 10
VENT RATE (KT-FT) 54800 46890
CATEGORY DAY 4 3
INVERSION 59F/9AM 7PM 56F/9AM
DISPERSION 5 3
MAX ADI EARLY 42 GEN GOOD 7 POOR 19 GEN POOR
MAX ADI LATE 101 VERY GOOD2 VERY POOR 65 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-222030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+7) 47 (0) 78
RH % (24H TREND) 40 (+7) 87 (+7) 39
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1760 1670
MIXING HGT(FT-AGL/MSL)5780 5490
TRANSPORT WND (MPH) NW 16 W 10
VENT RATE (KT-FT) 56640 49410
CATEGORY DAY 4 4
INVERSION 59F/9AM 7PM 60F/10AM
DISPERSION 5 4
MAX ADI EARLY 45 GEN GOOD 7 POOR 16 GEN POOR
MAX ADI LATE 102 VERY GOOD2 VERY POOR 64 GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-222030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+5) 52 (+4) 78
RH % (24H TREND) 43 (+13) 91 (+10) 44
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1770 1590
MIXING HGT(FT-AGL/MSL)5820 5220
TRANSPORT WND (MPH) W 13 SW 12
VENT RATE (KT-FT) 47540 52200
CATEGORY DAY 4 3
INVERSION 60F/9AM 8PM 58F/9AM
DISPERSION 5 3
MAX ADI EARLY 40 FAIR 5 VERY POOR 14 GEN POOR
MAX ADI LATE 82 GOOD 2 VERY POOR 71 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-222030-
HARRISON-
INCLUDING THE CITY OF CADIZ
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+6) 50 (+3) 78
RH % (24H TREND) 41 (+11) 90 (+9) 42
WIND 20FT/EARLY(MPH) W 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1680 1580
MIXING HGT(FT-AGL/MSL)5500 5180
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 61970 46620
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 58F/9AM
DISPERSION 5 3
MAX ADI EARLY 42 GEN GOOD 7 POOR 14 GEN POOR
MAX ADI LATE 95 GOOD 2 VERY POOR 66 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-222030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+6) 49 (+2) 78
RH % (24H TREND) 41 (+12) 88 (+9) 39
WIND 20FT/EARLY(MPH) W 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1730 1650
MIXING HGT(FT-AGL/MSL)5670 5410
TRANSPORT WND (MPH) NW 16 W 10
VENT RATE (KT-FT) 61300 48690
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 56F/9AM
DISPERSION 5 4
MAX ADI EARLY 41 GEN GOOD 7 POOR 18 GEN POOR
MAX ADI LATE 100 GOOD 2 VERY POOR 67 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-222030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 75 (+4) 52 (+4) 79
RH % (24H TREND) 46 (+16) 93 (+13) 42
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1690 1580
MIXING HGT(FT-AGL/MSL)5550 5200
TRANSPORT WND (MPH) W 13 SW 12
VENT RATE (KT-FT) 45410 52000
CATEGORY DAY 4 3
INVERSION 60F/9AM 8PM 63F/10AM
DISPERSION 5 3
MAX ADI EARLY 45 GEN GOOD 8 POOR 12 POOR
MAX ADI LATE 84 GOOD 2 VERY POOR 73 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-222030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 75 (+5) 52 (+4) 79
RH % (24H TREND) 43 (+13) 92 (+10) 41
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1640 1550
MIXING HGT(FT-AGL/MSL)5400 5090
TRANSPORT WND (MPH) NW 14 W 10
VENT RATE (KT-FT) 54200 45810
CATEGORY DAY 4 3
INVERSION 60F/9AM 8PM 59F/9AM
DISPERSION 5 3
MAX ADI EARLY 42 GEN GOOD 8 POOR 13 GEN POOR
MAX ADI LATE 83 GOOD 3 VERY POOR 64 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-222030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 73 (+4) 51 (+3) 78
RH % (24H TREND) 42 (+12) 92 (+9) 41
WIND 20FT/EARLY(MPH) W 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1610 1650
MIXING HGT(FT-AGL/MSL)5280 5420
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 59120 48780
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 63F/10AM
DISPERSION 5 4
MAX ADI EARLY 38 FAIR 10 POOR 13 GEN POOR
MAX ADI LATE 89 GOOD 3 VERY POOR 67 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-222030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 74 (+3) 52 (+5) 80
RH % (24H TREND) 46 (+16) 95 (+10) 42
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1560 1600
MIXING HGT(FT-AGL/MSL)5120 5250
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 44010 47250
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 59F/9AM
DISPERSION 5 4
MAX ADI EARLY 42 GEN GOOD 9 POOR 13 GEN POOR
MAX ADI LATE 85 GOOD 2 VERY POOR 63 GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-222030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 73 (+3) 52 (+4) 79
RH % (24H TREND) 47 (+19) 93 (+9) 41
WIND 20FT/EARLY(MPH) SW 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1540 1590
MIXING HGT(FT-AGL/MSL)5050 5210
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 45460 46890
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 63F/10AM
DISPERSION 5 3
MAX ADI EARLY 39 FAIR 10 POOR 13 GEN POOR
MAX ADI LATE 82 GOOD 2 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-222030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+8) 42 (-3) 76
RH % (24H TREND) 40 (+5) 92 (+4) 35
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1580 1550
MIXING HGT(FT-AGL/MSL)5190 5100
TRANSPORT WND (MPH) NW 17 W 9
VENT RATE (KT-FT) 64700 40800
CATEGORY DAY 4 3
INVERSION 57F/9AM 7PM 58F/10AM
DISPERSION 5 3
MAX ADI EARLY 35 FAIR 7 POOR 15 GEN POOR
MAX ADI LATE 97 GOOD 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-222030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+10) 40 (-3) 75
RH % (24H TREND) 39 (+5) 95 (+2) 32
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1680 1560
MIXING HGT(FT-AGL/MSL)5520 5110
TRANSPORT WND (MPH) NW 18 W 10
VENT RATE (KT-FT) 75410 45990
CATEGORY DAY 4 3
INVERSION 55F/9AM 8PM 50F/9AM
DISPERSION 5 3
MAX ADI EARLY 34 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 111 VERY GOOD3 VERY POOR 63 GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-222030-
FOREST-
INCLUDING THE CITY OF TIONESTA
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (+11) 39 (-2) 73
RH % (24H TREND) 38 (+8) 98 (+4) 29
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1690 1700
MIXING HGT(FT-AGL/MSL)5540 5580
TRANSPORT WND (MPH) NW 18 NW 12
VENT RATE (KT-FT) 76750 55800
CATEGORY DAY 4 4
INVERSION 56F/10AM 8PM 48F/9AM
DISPERSION 5 4
MAX ADI EARLY 27 FAIR 8 POOR 20 GEN POOR
MAX ADI LATE 114 VERY GOOD3 VERY POOR 77 GOOD
MAX LVORI EARLY 6 4 7
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-222030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+9) 44 (-1) 78
RH % (24H TREND) 38 (+6) 91 (+8) 36
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1790 1630
MIXING HGT(FT-AGL/MSL)5880 5350
TRANSPORT WND (MPH) NW 16 W 9
VENT RATE (KT-FT) 64270 42800
CATEGORY DAY 4 3
INVERSION 58F/9AM 7PM 59F/10AM
DISPERSION 5 3
MAX ADI EARLY 44 GEN GOOD 7 POOR 13 GEN POOR
MAX ADI LATE 107 VERY GOOD2 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-222030-
BUTLER-
INCLUDING THE CITY OF BUTLER
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+8) 42 (-1) 76
RH % (24H TREND) 43 (+8) 96 (+7) 37
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1720 1530
MIXING HGT(FT-AGL/MSL)5640 5020
TRANSPORT WND (MPH) W 17 W 10
VENT RATE (KT-FT) 72110 45180
CATEGORY DAY 4 3
INVERSION 57F/9AM 7PM 58F/10AM
DISPERSION 5 3
MAX ADI EARLY 40 FAIR 8 POOR 21 FAIR
MAX ADI LATE 109 VERY GOOD3 VERY POOR 62 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-222030-
CLARION-
INCLUDING THE CITY OF CLARION
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+11) 41 (-1) 75
RH % (24H TREND) 39 (+7) 96 (+4) 31
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1740 1650
MIXING HGT(FT-AGL/MSL)5710 5420
TRANSPORT WND (MPH) NW 18 W 12
VENT RATE (KT-FT) 75110 54200
CATEGORY DAY 4 4
INVERSION 55F/9AM 8PM 50F/9AM
DISPERSION 5 4
MAX ADI EARLY 34 FAIR 8 POOR 22 FAIR
MAX ADI LATE 115 VERY GOOD3 VERY POOR 78 GOOD
MAX LVORI EARLY 6 3 6
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-222030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 69 (+10) 41 (-1) 73
RH % (24H TREND) 40 (+11) 93 (+4) 30
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1700 1710
MIXING HGT(FT-AGL/MSL)5580 5600
TRANSPORT WND (MPH) NW 18 NW 14
VENT RATE (KT-FT) 79130 67200
CATEGORY DAY 4 4
INVERSION 54F/9AM 8PM 50F/9AM
DISPERSION 5 4
MAX ADI EARLY 28 FAIR 9 POOR 26 FAIR
MAX ADI LATE 115 VERY GOOD3 VERY POOR 91 GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-222030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+7) 46 (-1) 78
RH % (24H TREND) 40 (+11) 90 (+10) 38
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1790 1750
MIXING HGT(FT-AGL/MSL)5870 5740
TRANSPORT WND (MPH) NW 17 W 9
VENT RATE (KT-FT) 56050 45920
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 60F/10AM
DISPERSION 5 3
MAX ADI EARLY 47 GEN GOOD 8 POOR 19 GEN POOR
MAX ADI LATE 110 VERY GOOD2 VERY POOR 63 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-222030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+7) 47 (0) 78
RH % (24H TREND) 42 (+12) 93 (+11) 37
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1780 1770
MIXING HGT(FT-AGL/MSL)5830 5820
TRANSPORT WND (MPH) NW 17 W 10
VENT RATE (KT-FT) 46630 52380
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 60F/10AM
DISPERSION 5 4
MAX ADI EARLY 40 FAIR 11 POOR 20 GEN POOR
MAX ADI LATE 110 VERY GOOD3 VERY POOR 72 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-222030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+10) 42 (-1) 76
RH % (24H TREND) 44 (+11) 99 (+8) 36
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(M-AGL/MSL) 1670 1550
MIXING HGT(FT-AGL/MSL)5480 5100
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 73330 51000
CATEGORY DAY 4 3
INVERSION 56F/9AM 7PM 57F/10AM
DISPERSION 5 3
MAX ADI EARLY 36 FAIR 8 POOR 21 FAIR
MAX ADI LATE 105 VERY GOOD2 VERY POOR 73 GOOD
MAX LVORI EARLY 5 4 9
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-222030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 71 (+5) 48 (+1) 77
RH % (24H TREND) 44 (+15) 92 (+10) 40
WIND 20FT/EARLY(MPH) SW 9 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1670 1680
MIXING HGT(FT-AGL/MSL)5480 5500
TRANSPORT WND (MPH) W 17 W 10
VENT RATE (KT-FT) 54140 49500
CATEGORY DAY 4 4
INVERSION 55F/8AM 8PM 56F/9AM
DISPERSION 5 4
MAX ADI EARLY 37 FAIR 9 POOR 18 GEN POOR
MAX ADI LATE 102 VERY GOOD3 VERY POOR 69 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-222030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 70 (+3) 49 (+2) 77
RH % (24H TREND) 50 (+21) 94 (+10) 44
WIND 20FT/EARLY(MPH) SW 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.01 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1550 1740
MIXING HGT(FT-AGL/MSL)5080 5690
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 35200 51210
CATEGORY DAY 4 4
INVERSION 54F/8AM 8PM 57F/9AM
DISPERSION 5 4
MAX ADI EARLY 36 FAIR 10 POOR 14 GEN POOR
MAX ADI LATE 93 GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-222030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+7) 45 (-1) 77
RH % (24H TREND) 47 (+16) 98 (+11) 39
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1660 1610
MIXING HGT(FT-AGL/MSL)5460 5290
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 48930 52900
CATEGORY DAY 4 4
INVERSION 54F/8AM 7PM 60F/10AM
DISPERSION 5 4
MAX ADI EARLY 32 FAIR 19 GEN POOR 19 GEN POOR
MAX ADI LATE 97 GOOD 3 VERY POOR 74 GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-222030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (+7) 47 (+2) 76
RH % (24H TREND) 47 (+22) 92 (+8) 36
WIND 20FT/EARLY(MPH) SW 8 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1350 1490
MIXING HGT(FT-AGL/MSL)4440 4890
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 44270 58680
CATEGORY DAY 4 4
INVERSION 53F/8AM 7PM 55F/9AM
DISPERSION 5 4
MAX ADI EARLY 30 FAIR 10 POOR 34 FAIR
MAX ADI LATE 84 GOOD 3 VERY POOR 78 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-222030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 70 (+4) 48 (+2) 77
RH % (24H TREND) 51 (+21) 96 (+14) 43
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1400 1630
MIXING HGT(FT-AGL/MSL)4600 5350
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 38700 53500
CATEGORY DAY 4 4
INVERSION 54F/8AM 8PM 57F/9AM
DISPERSION 5 4
MAX ADI EARLY 31 FAIR 10 POOR 17 GEN POOR
MAX ADI LATE 79 GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-222030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 67 (+4) 49 (+5) 74
RH % (24H TREND) 53 (+26) 93 (+10) 42
WIND 20FT/EARLY(MPH) SW 7 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.15 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1160 1550
MIXING HGT(FT-AGL/MSL)3800 5080
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 41680 55880
CATEGORY DAY 4 4
INVERSION 55F/11AM 7PM 55F/9AM
DISPERSION 5 4
MAX ADI EARLY 22 FAIR 10 POOR 29 FAIR
MAX ADI LATE 71 GOOD 3 VERY POOR 76 GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-222030-
INDIANA-
INCLUDING THE CITY OF INDIANA
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (+9) 43 (-1) 75
RH % (24H TREND) 47 (+17) 97 (+8) 34
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(M-AGL/MSL) 1550 1470
MIXING HGT(FT-AGL/MSL)5070 4830
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 64720 57960
CATEGORY DAY 4 4
INVERSION 55F/9AM 8PM 57F/10AM
DISPERSION 5 4
MAX ADI EARLY 27 FAIR 10 POOR 25 FAIR
MAX ADI LATE 98 GOOD 3 VERY POOR 78 GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-222030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (+6) 46 (+2) 75
RH % (24H TREND) 48 (+21) 92 (+6) 35
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(M-AGL/MSL) 1380 1350
MIXING HGT(FT-AGL/MSL)4510 4420
TRANSPORT WND (MPH) W 18 W 14
VENT RATE (KT-FT) 40090 53040
CATEGORY DAY 4 4
INVERSION 56F/10AM 7PM 58F/10AM
DISPERSION 5 4
MAX ADI EARLY 24 FAIR 10 POOR 36 FAIR
MAX ADI LATE 88 GOOD 3 VERY POOR 74 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-222030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+7) 49 (+2) 78
RH % (24H TREND) 40 (+11) 86 (+7) 39
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 1810 1770
MIXING HGT(FT-AGL/MSL)5940 5790
TRANSPORT WND (MPH) NW 16 W 10
VENT RATE (KT-FT) 43350 52110
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 56F/9AM
DISPERSION 5 4
MAX ADI EARLY 44 GEN GOOD 7 POOR 20 GEN POOR
MAX ADI LATE 108 VERY GOOD2 VERY POOR 71 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-222030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+7) 50 (+2) 78
RH % (24H TREND) 41 (+13) 87 (+8) 38
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1760 1700
MIXING HGT(FT-AGL/MSL)5760 5590
TRANSPORT WND (MPH) NW 16 W 10
VENT RATE (KT-FT) 51380 50310
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 57F/9AM
DISPERSION 5 4
MAX ADI EARLY 39 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 101 VERY GOOD2 VERY POOR 69 GOOD
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-222030-
OHIO-
INCLUDING THE CITY OF WHEELING
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 20 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 72 (+5) 51 (+4) 78
RH % (24H TREND) 42 (+15) 90 (+7) 41
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1630 1690
MIXING HGT(FT-AGL/MSL)5350 5540
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 56050 49860
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 57F/9AM
DISPERSION 5 4
MAX ADI EARLY 34 FAIR 9 POOR 15 GEN POOR
MAX ADI LATE 94 GOOD 3 VERY POOR 68 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-222030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 73 (+5) 52 (+4) 79
RH % (24H TREND) 47 (+17) 91 (+7) 43
WIND 20FT/EARLY(MPH) SW 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1590 1750
MIXING HGT(FT-AGL/MSL)5210 5730
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 48200 51570
CATEGORY DAY 4 4
INVERSION 57F/9AM 8PM 62F/10AM
DISPERSION 5 4
MAX ADI EARLY 37 FAIR 10 POOR 13 GEN POOR
MAX ADI LATE 86 GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-222030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 71 (+3) 52 (+5) 78
RH % (24H TREND) 53 (+24) 92 (+8) 45
WIND 20FT/EARLY(MPH) SW 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.01 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1480 1720
MIXING HGT(FT-AGL/MSL)4870 5660
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 35390 50940
CATEGORY DAY 4 4
INVERSION 56F/9AM 8PM 62F/10AM
DISPERSION 5 4
MAX ADI EARLY 39 FAIR 10 POOR 13 GEN POOR
MAX ADI LATE 84 GOOD 2 VERY POOR 69 GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-222030-
MARION-
INCLUDING THE CITY OF FAIRMONT
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 69 (+1) 50 (+4) 76
RH % (24H TREND) 54 (+25) 98 (+15) 47
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1370 1750
MIXING HGT(FT-AGL/MSL)4500 5750
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 36020 51750
CATEGORY DAY 4 4
INVERSION 55F/9AM 8PM 61F/10AM
DISPERSION 5 4
MAX ADI EARLY 41 GEN GOOD 9 POOR 12 POOR
MAX ADI LATE 61 GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-222030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 69 (+2) 50 (+3) 77
RH % (24H TREND) 52 (+23) 96 (+14) 44
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.01 0.00
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1440 1720
MIXING HGT(FT-AGL/MSL)4730 5660
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 35310 50940
CATEGORY DAY 4 4
INVERSION 54F/8AM 8PM 57F/9AM
DISPERSION 5 4
MAX ADI EARLY 37 FAIR 9 POOR 12 POOR
MAX ADI LATE 63 GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-222030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 20 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (+1) 49 (+5) 73
RH % (24H TREND) 56 (+30) 97 (+14) 44
WIND 20FT/EARLY(MPH) SW 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.13 0.01 0.00
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1000 1520
MIXING HGT(FT-AGL/MSL)3270 5000
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 27200 50000
CATEGORY DAY 3 3
INVERSION 55F/11AM 7PM 59F/10AM
DISPERSION 5 3
MAX ADI EARLY 23 FAIR 8 POOR 11 POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 4 6 7
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-222030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 70 0 20
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 66 (+1) 50 (+6) 74
RH % (24H TREND) 58 (+33) 97 (+17) 44
WIND 20FT/EARLY(MPH) SW 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.11 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM 2 PM
PRECIP END 6 PM 6 PM
MIXING HGT(M-AGL/MSL) 1050 1590
MIXING HGT(FT-AGL/MSL)3430 5230
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 33380 52300
CATEGORY DAY 3 3
INVERSION 52F/8AM 8PM 56F/9AM
DISPERSION 5 3
MAX ADI EARLY 34 FAIR 10 POOR 16 GEN POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 73 GOOD
MAX LVORI EARLY 3 6 8
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-222030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 70 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+2) 50 (+6) 73
RH % (24H TREND) 54 (+28) 97 (+17) 44
WIND 20FT/EARLY(MPH) W 9 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 G20 LGT/VAR W 5
PRECIP AMOUNT 0.13 0.00 0.00
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM 2 PM
PRECIP END 6 PM 6 PM
MIXING HGT(M-AGL/MSL) 870 1490
MIXING HGT(FT-AGL/MSL)2870 4900
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 32770 58800
CATEGORY DAY 3 4
INVERSION 53F/11AM 7PM 55F/9AM
DISPERSION 5 4
MAX ADI EARLY 32 FAIR 17 GEN POOR 25 FAIR
MAX ADI LATE 45 GEN GOOD 5 VERY POOR 79 GOOD
MAX LVORI EARLY 4 6 6
MAX LVORI LATE 4 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-222030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 40 30
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 64 (-1) 50 (+6) 74
RH % (24H TREND) 49 (+28) 99 (+24) 44
WIND 20FT/EARLY(MPH) W 8 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.12 0.03 0.00
PRECIP DURATION 4 0 1
PRECIP BEGIN 6 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM 6 PM
MIXING HGT(M-AGL/MSL) 840 1590
MIXING HGT(FT-AGL/MSL)2760 5210
TRANSPORT WND (MPH) W 15 W 14
VENT RATE (KT-FT) 29500 62520
CATEGORY DAY 3 4
INVERSION 52F/8AM 8PM 55F/9AM
DISPERSION 5 4
MAX ADI EARLY 43 GEN GOOD 11 POOR 31 FAIR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 80 GOOD
MAX LVORI EARLY 3 6 7
MAX LVORI LATE 3 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-222030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
113 AM EDT WED APR 22 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-1) 47 (+6) 70
RH % (24H TREND) 51 (+26) 99 (+21) 48
WIND 20FT/EARLY(MPH) W 11 G32 W 6 G22 LGT/VAR
WIND 20FT/LATE(MPH) W 10 G30 LGT/VAR W 6 G17
PRECIP AMOUNT 0.15 0.03 0.00
PRECIP DURATION 3 0 1
PRECIP BEGIN 6 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM 6 PM
MIXING HGT(M-AGL/MSL) 740 1500
MIXING HGT(FT-AGL/MSL)2430 4920
TRANSPORT WND (MPH) W 20 W 15
VENT RATE (KT-FT) 32240 63960
CATEGORY DAY 3 4
INVERSION 50F/9AM 7PM 54F/9AM
DISPERSION 5 4
MAX ADI EARLY 39 FAIR 21 FAIR 45 GEN GOOD
MAX ADI LATE 44 GEN GOOD 8 POOR 79 GOOD
MAX LVORI EARLY 4 5 5
MAX LVORI LATE 4 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
SHOWERS, COOLER. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 60S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.
WM
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