242
FNUS51 KPBZ 260500
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
100 AM EDT TUE MAY 26 2026
DISCUSSION
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY MAINLY
SOUTH OF PITTSBURGH. THE REST OF THE AREA WILL DRY THROUGHOUT THE
DAY. WEDNESDAY WILL FEATURE A DAY WHERE SHOWERS AND THUNDERSTORMS
LIFT FURTHER NORTH UP TO I-80. A FEW DAYS OF DRY CONDITIONS ARE
EXPECTED AFTER WEDNESDAY.
OHZ039-262015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 79 (+3) 63 (+5) 76
RH % (24H TREND) 56 (+3) 90 (-2) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.19
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1340 750
MIXING HGT(FT-AGL/MSL)4400 2470
TRANSPORT WND (MPH) SW 6 N 7
VENT RATE (KT-FT) 22000 14820
CATEGORY DAY 3 2
INVERSION 69F/10AM 7PM 70F/10AM
DISPERSION 3 2
MAX ADI EARLY 15 GEN POOR 2 VERY POOR 11 POOR
MAX ADI LATE 31 FAIR 2 VERY POOR 19 GEN POOR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-262015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 40
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 79 (+4) 63 (+6) 76
RH % (24H TREND) 54 (+3) 89 (-2) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.12
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1380 860
MIXING HGT(FT-AGL/MSL)4540 2820
TRANSPORT WND (MPH) SW 6 NW 7
VENT RATE (KT-FT) 22700 16920
CATEGORY DAY 3 2
INVERSION 69F/10AM 7PM 70F/10AM
DISPERSION 3 2
MAX ADI EARLY 17 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 23 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-262015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+5) 62 (+5) 78
RH % (24H TREND) 51 (+5) 90 (-3) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.04
PRECIP DURATION 1 2
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1450 1060
MIXING HGT(FT-AGL/MSL)4770 3490
TRANSPORT WND (MPH) SW 6 NW 9
VENT RATE (KT-FT) 23850 27920
CATEGORY DAY 3 3
INVERSION 69F/10AM 7PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 35 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-262015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (+4) 63 (+6) 76
RH % (24H TREND) 58 (+1) 95 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.22
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1320 690
MIXING HGT(FT-AGL/MSL)4330 2260
TRANSPORT WND (MPH) SW 5 NE 5
VENT RATE (KT-FT) 17320 9040
CATEGORY DAY 2 1
INVERSION 69F/10AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 11 POOR
MAX ADI LATE 25 FAIR 2 VERY POOR 18 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-262015-
HARRISON-
INCLUDING THE CITY OF CADIZ
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (+3) 63 (+5) 76
RH % (24H TREND) 57 (+2) 94 (-4) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.23
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1330 710
MIXING HGT(FT-AGL/MSL)4360 2340
TRANSPORT WND (MPH) SW 6 N 6
VENT RATE (KT-FT) 21800 11700
CATEGORY DAY 2 2
INVERSION 70F/10AM 7PM 70F/10AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-262015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 40
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (+3) 63 (+5) 76
RH % (24H TREND) 56 (+2) 91 (-1) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.22
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1370 780
MIXING HGT(FT-AGL/MSL)4510 2570
TRANSPORT WND (MPH) SW 6 N 6
VENT RATE (KT-FT) 22550 12850
CATEGORY DAY 3 2
INVERSION 70F/10AM 8PM 70F/10AM
DISPERSION 3 2
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 19 GEN POOR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-262015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 70
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 79 (+3) 62 (+4) 76
RH % (24H TREND) 63 (+7) 96 (-1) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.29
PRECIP DURATION 0 2 8
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1280 610
MIXING HGT(FT-AGL/MSL)4200 2020
TRANSPORT WND (MPH) S 5 N 7
VENT RATE (KT-FT) 16800 12120
CATEGORY DAY 2 1
INVERSION 70F/10AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 11 POOR
MAX ADI LATE 24 FAIR 2 VERY POOR 18 GEN POOR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-262015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 60
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 80 (+3) 63 (+4) 76
RH % (24H TREND) 60 (+1) 95 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.27
PRECIP DURATION 0 4 6
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1310 640
MIXING HGT(FT-AGL/MSL)4310 2100
TRANSPORT WND (MPH) SW 6 N 6
VENT RATE (KT-FT) 21550 10500
CATEGORY DAY 2 1
INVERSION 71F/10AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 29 FAIR 2 VERY POOR 15 GEN POOR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-262015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 70
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 79 (+3) 62 (+2) 75
RH % (24H TREND) 64 (+1) 96 (0) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.14 0.30
PRECIP DURATION 1 4 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1280 550
MIXING HGT(FT-AGL/MSL)4190 1800
TRANSPORT WND (MPH) SW 5 W 7
VENT RATE (KT-FT) 16760 10800
CATEGORY DAY 2 1
INVERSION 71F/10AM 7PM 68F/9AM
DISPERSION 2 1
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 15 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-262015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 80
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 79 (+2) 62 (+2) 75
RH % (24H TREND) 68 (+4) 98 (-1) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.11 0.31
PRECIP DURATION 1 4 10
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1270 580
MIXING HGT(FT-AGL/MSL)4170 1900
TRANSPORT WND (MPH) S 5 W 9
VENT RATE (KT-FT) 16680 15200
CATEGORY DAY 2 2
INVERSION 71F/10AM 7PM 68F/9AM
DISPERSION 2 2
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 26 FAIR 2 VERY POOR 23 FAIR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 3 8 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-262015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 80
CHANCE OF THUNDER (%) 40 20 40
TEMP (24H TREND) 79 (+2) 63 (+2) 75
RH % (24H TREND) 70 (+5) 96 (-1) 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.14 0.37
PRECIP DURATION 1 4 10
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260 570
MIXING HGT(FT-AGL/MSL)4140 1850
TRANSPORT WND (MPH) S 5 W 13
VENT RATE (KT-FT) 16560 20350
CATEGORY DAY 2 2
INVERSION 71F/10AM 7PM 68F/9AM
DISPERSION 2 2
MAX ADI EARLY 12 POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 24 FAIR 2 VERY POOR 28 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 7 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-262015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+4) 61 (+5) 79
RH % (24H TREND) 48 (+5) 89 (-8) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1440 1130
MIXING HGT(FT-AGL/MSL)4740 3700
TRANSPORT WND (MPH) SW 7 W 12
VENT RATE (KT-FT) 28440 37000
CATEGORY DAY 3 3
INVERSION 70F/10AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 38 FAIR 2 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-262015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+4) 60 (+6) 80
RH % (24H TREND) 47 (+9) 89 (-3) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1570 1530
MIXING HGT(FT-AGL/MSL)5140 5010
TRANSPORT WND (MPH) SW 7 W 14
VENT RATE (KT-FT) 30840 60120
CATEGORY DAY 3 4
INVERSION 64F/9AM 7PM 72F/10AM
DISPERSION 3 4
MAX ADI EARLY 29 FAIR 3 VERY POOR 19 GEN POOR
MAX ADI LATE 43 GEN GOOD 2 VERY POOR 75 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-262015-
FOREST-
INCLUDING THE CITY OF TIONESTA
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+4) 60 (+7) 80
RH % (24H TREND) 44 (+6) 89 (-2) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1560 1740
MIXING HGT(FT-AGL/MSL)5100 5720
TRANSPORT WND (MPH) SW 8 W 15
VENT RATE (KT-FT) 35700 74360
CATEGORY DAY 3 4
INVERSION 69F/10AM 8PM 68F/9AM
DISPERSION 3 4
MAX ADI EARLY 36 FAIR 3 VERY POOR 24 FAIR
MAX ADI LATE 51 GEN GOOD 3 VERY POOR 99 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-262015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+5) 61 (+4) 79
RH % (24H TREND) 48 (+4) 89 (-5) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1460 1210
MIXING HGT(FT-AGL/MSL)4790 3960
TRANSPORT WND (MPH) SW 7 NW 12
VENT RATE (KT-FT) 28740 39600
CATEGORY DAY 3 3
INVERSION 71F/10AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 39 FAIR 2 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-262015-
BUTLER-
INCLUDING THE CITY OF BUTLER
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+3) 61 (+5) 78
RH % (24H TREND) 54 (+9) 93 (-1) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.02
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1460 1230
MIXING HGT(FT-AGL/MSL)4780 4020
TRANSPORT WND (MPH) SW 7 NW 13
VENT RATE (KT-FT) 28680 44220
CATEGORY DAY 3 3
INVERSION 66F/9AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 3 VERY POOR 17 GEN POOR
MAX ADI LATE 39 FAIR 3 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-262015-
CLARION-
INCLUDING THE CITY OF CLARION
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+3) 61 (+6) 79
RH % (24H TREND) 49 (+7) 90 (-1) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1540 1660
MIXING HGT(FT-AGL/MSL)5060 5430
TRANSPORT WND (MPH) SW 8 W 13
VENT RATE (KT-FT) 35420 59730
CATEGORY DAY 3 4
INVERSION 65F/9AM 8PM 69F/9AM
DISPERSION 3 4
MAX ADI EARLY 33 FAIR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 47 GEN GOOD 3 VERY POOR 83 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-262015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (+3) 61 (+7) 78
RH % (24H TREND) 50 (+7) 90 (+2) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1520 1690
MIXING HGT(FT-AGL/MSL)5000 5540
TRANSPORT WND (MPH) S 8 W 14
VENT RATE (KT-FT) 35000 66480
CATEGORY DAY 3 4
INVERSION 65F/9AM 8PM 68F/9AM
DISPERSION 3 4
MAX ADI EARLY 31 FAIR 4 VERY POOR 23 FAIR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 84 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-262015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+4) 64 (+6) 79
RH % (24H TREND) 52 (+7) 90 (-1) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.06
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1460 1030
MIXING HGT(FT-AGL/MSL)4800 3380
TRANSPORT WND (MPH) SW 7 W 9
VENT RATE (KT-FT) 28800 27040
CATEGORY DAY 3 3
INVERSION 71F/10AM 8PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 37 FAIR 3 VERY POOR 33 FAIR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-262015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 50
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 80 (+2) 64 (+4) 77
RH % (24H TREND) 59 (+9) 92 (-1) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.05 0.15
PRECIP DURATION 0 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1350 860
MIXING HGT(FT-AGL/MSL)4440 2820
TRANSPORT WND (MPH) S 7 NW 6
VENT RATE (KT-FT) 26640 14100
CATEGORY DAY 3 2
INVERSION 67F/9AM 8PM 71F/10AM
DISPERSION 3 2
MAX ADI EARLY 25 FAIR 4 VERY POOR 12 POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-262015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 80 (+2) 62 (+5) 78
RH % (24H TREND) 56 (+8) 94 (-1) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.05
PRECIP DURATION 1 1
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1370 1250
MIXING HGT(FT-AGL/MSL)4500 4090
TRANSPORT WND (MPH) S 7 W 12
VENT RATE (KT-FT) 27000 40900
CATEGORY DAY 3 3
INVERSION 67F/9AM 7PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-262015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 70
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 78 (+2) 63 (+3) 74
RH % (24H TREND) 65 (+7) 94 (+1) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.11 0.35
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270 670
MIXING HGT(FT-AGL/MSL)4160 2180
TRANSPORT WND (MPH) S 6 W 7
VENT RATE (KT-FT) 20800 13080
CATEGORY DAY 2 2
INVERSION 71F/10AM 7PM 70F/10AM
DISPERSION 2 2
MAX ADI EARLY 21 FAIR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-262015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 80
CHANCE OF THUNDER (%) 40 30 40
TEMP (24H TREND) 77 (+1) 64 (+3) 73
RH % (24H TREND) 77 (+11) 94 (-1) 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.15 0.54
PRECIP DURATION 1 3 10
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170 500
MIXING HGT(FT-AGL/MSL)3840 1620
TRANSPORT WND (MPH) S 6 W 7
VENT RATE (KT-FT) 19200 9720
CATEGORY DAY 2 1
INVERSION 72F/10AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 21 FAIR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 4 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-262015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 50
CHANCE OF THUNDER (%) 30 20 30
TEMP (24H TREND) 79 (+2) 63 (+4) 76
RH % (24H TREND) 67 (+8) 98 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.07 0.21
PRECIP DURATION 1 2 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170 720
MIXING HGT(FT-AGL/MSL)3850 2350
TRANSPORT WND (MPH) S 7 W 9
VENT RATE (KT-FT) 23100 18800
CATEGORY DAY 2 2
INVERSION 68F/9AM 7PM 71F/10AM
DISPERSION 2 2
MAX ADI EARLY 31 FAIR 4 VERY POOR 13 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 23 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-262015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 60
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 79 (+2) 63 (+5) 76
RH % (24H TREND) 65 (+6) 93 (-4) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.09 0.25
PRECIP DURATION 1 2 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1020 690
MIXING HGT(FT-AGL/MSL)3360 2280
TRANSPORT WND (MPH) S 9 W 10
VENT RATE (KT-FT) 26880 20520
CATEGORY DAY 3 2
INVERSION 67F/9AM 8PM 69F/10AM
DISPERSION 3 2
MAX ADI EARLY 35 FAIR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 27 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-262015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 70
CHANCE OF THUNDER (%) 40 20 40
TEMP (24H TREND) 78 (+1) 63 (+3) 74
RH % (24H TREND) 74 (+11) 97 (0) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.10 0.17 0.57
PRECIP DURATION 1 2 8
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 540
MIXING HGT(FT-AGL/MSL)3710 1770
TRANSPORT WND (MPH) S 7 W 7
VENT RATE (KT-FT) 22260 10620
CATEGORY DAY 2 1
INVERSION 69F/9AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 29 FAIR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 15 GEN POOR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 7 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-262015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 80
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 76 (+1) 61 (+3) 73
RH % (24H TREND) 72 (+5) 96 (-2) 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.13 0.58
PRECIP DURATION 1 2 9
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930 550
MIXING HGT(FT-AGL/MSL)3050 1810
TRANSPORT WND (MPH) S 8 W 7
VENT RATE (KT-FT) 21350 10860
CATEGORY DAY 2 1
INVERSION 67F/9AM 7PM 67F/10AM
DISPERSION 2 1
MAX ADI EARLY 28 FAIR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 18 GEN POOR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-262015-
INDIANA-
INCLUDING THE CITY OF INDIANA
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 79 (+2) 62 (+6) 76
RH % (24H TREND) 59 (+9) 94 (-3) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.09
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1240 1110
MIXING HGT(FT-AGL/MSL)4070 3630
TRANSPORT WND (MPH) S 8 W 12
VENT RATE (KT-FT) 28490 36300
CATEGORY DAY 3 3
INVERSION 67F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-262015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 50
CHANCE OF THUNDER (%) 20 20 20
TEMP (24H TREND) 78 (+2) 63 (+6) 75
RH % (24H TREND) 62 (+10) 93 (-3) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.11
PRECIP DURATION 0 1 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1130 780
MIXING HGT(FT-AGL/MSL)3710 2580
TRANSPORT WND (MPH) S 9 W 12
VENT RATE (KT-FT) 29680 25800
CATEGORY DAY 3 2
INVERSION 67F/9AM 8PM 69F/10AM
DISPERSION 3 2
MAX ADI EARLY 34 FAIR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 35 FAIR
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-262015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 80 (+4) 64 (+5) 76
RH % (24H TREND) 54 (+6) 90 (0) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.14
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1410 890
MIXING HGT(FT-AGL/MSL)4640 2920
TRANSPORT WND (MPH) SW 6 N 6
VENT RATE (KT-FT) 23200 14600
CATEGORY DAY 3 2
INVERSION 70F/10AM 8PM 71F/10AM
DISPERSION 3 2
MAX ADI EARLY 21 FAIR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 22 FAIR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-262015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 60
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 79 (+3) 65 (+5) 75
RH % (24H TREND) 58 (+3) 89 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.09 0.27
PRECIP DURATION 0 2 3
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270 710
MIXING HGT(FT-AGL/MSL)4180 2330
TRANSPORT WND (MPH) S 5 NW 6
VENT RATE (KT-FT) 16720 11650
CATEGORY DAY 2 2
INVERSION 71F/10AM 8PM 70F/10AM
DISPERSION 2 2
MAX ADI EARLY 20 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 18 GEN POOR
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-262015-
OHIO-
INCLUDING THE CITY OF WHEELING
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 70
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 79 (+3) 64 (+4) 75
RH % (24H TREND) 65 (+4) 92 (+1) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.12 0.29
PRECIP DURATION 1 4 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220 590
MIXING HGT(FT-AGL/MSL)4010 1940
TRANSPORT WND (MPH) S 5 W 7
VENT RATE (KT-FT) 16040 11640
CATEGORY DAY 2 1
INVERSION 71F/10AM 7PM 70F/10AM
DISPERSION 2 1
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-262015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 80
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 79 (+3) 65 (+4) 75
RH % (24H TREND) 72 (+3) 93 (+2) 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.20 0.40
PRECIP DURATION 1 4 10
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260 540
MIXING HGT(FT-AGL/MSL)4130 1780
TRANSPORT WND (MPH) S 5 W 8
VENT RATE (KT-FT) 16520 12460
CATEGORY DAY 2 2
INVERSION 72F/10AM 7PM 69F/9AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 19 GEN POOR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-262015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 90
CHANCE OF THUNDER (%) 40 20 40
TEMP (24H TREND) 76 (0) 65 (+3) 73
RH % (24H TREND) 79 (+8) 96 (+2) 85
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.12 0.48
PRECIP DURATION 1 3 10
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 550
MIXING HGT(FT-AGL/MSL)3770 1800
TRANSPORT WND (MPH) S 5 W 10
VENT RATE (KT-FT) 15080 16200
CATEGORY DAY 2 2
INVERSION 71F/10AM 7PM 68F/9AM
DISPERSION 2 2
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 24 FAIR 2 VERY POOR 32 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 4 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-262015-
MARION-
INCLUDING THE CITY OF FAIRMONT
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 40 30 50
TEMP (24H TREND) 76 (0) 63 (+1) 72
RH % (24H TREND) 83 (+16) 98 (-1) 87
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.11 0.67
PRECIP DURATION 1 4 11
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1060 610
MIXING HGT(FT-AGL/MSL)3480 2000
TRANSPORT WND (MPH) S 6 W 15
VENT RATE (KT-FT) 17400 26000
CATEGORY DAY 2 3
INVERSION 67F/9AM 7PM 68F/9AM
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 17 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 38 FAIR
MAX LVORI EARLY 9 6 7
MAX LVORI LATE 4 8 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-262015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 40 30 40
TEMP (24H TREND) 77 (+1) 64 (+2) 73
RH % (24H TREND) 79 (+15) 94 (-2) 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.19 0.13 0.59
PRECIP DURATION 1 3 10
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1100 530
MIXING HGT(FT-AGL/MSL)3600 1730
TRANSPORT WND (MPH) S 7 W 13
VENT RATE (KT-FT) 21600 19030
CATEGORY DAY 2 2
INVERSION 69F/9AM 7PM 69F/9AM
DISPERSION 2 2
MAX ADI EARLY 23 FAIR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 27 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 4 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-262015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 40 20 40
TEMP (24H TREND) 75 (+1) 62 (+2) 71
RH % (24H TREND) 80 (+12) 97 (-2) 84
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.11 0.11 0.71
PRECIP DURATION 2 3 10
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 900 510
MIXING HGT(FT-AGL/MSL)2950 1680
TRANSPORT WND (MPH) S 8 SW 14
VENT RATE (KT-FT) 20650 20160
CATEGORY DAY 2 2
INVERSION 66F/9AM 7PM 66F/8AM
DISPERSION 2 2
MAX ADI EARLY 23 FAIR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 25 FAIR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 4 7 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-262015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 40 20 40
TEMP (24H TREND) 75 (0) 62 (+1) 72
RH % (24H TREND) 77 (+8) 97 (-3) 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.10 0.68
PRECIP DURATION 2 4 10
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 830 540
MIXING HGT(FT-AGL/MSL)2740 1760
TRANSPORT WND (MPH) S 8 W 10
VENT RATE (KT-FT) 19180 15840
CATEGORY DAY 2 2
INVERSION 67F/9AM 7PM 66F/8AM
DISPERSION 2 2
MAX ADI EARLY 22 FAIR 4 VERY POOR 20 GEN POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 27 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 4 8 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-262015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 100
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 73 (+1) 62 (+3) 71
RH % (24H TREND) 78 (+4) 98 (-2) 81
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.10 0.62
PRECIP DURATION 2 4 10
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 740 560
MIXING HGT(FT-AGL/MSL)2440 1850
TRANSPORT WND (MPH) S 8 W 13
VENT RATE (KT-FT) 17080 20350
CATEGORY DAY 2 2
INVERSION 67F/10AM 7PM 64F/8AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 24 FAIR
MAX ADI LATE 22 FAIR 3 VERY POOR 30 FAIR
MAX LVORI EARLY 7 7 6
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-262015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 100
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 74 (+1) 62 (+1) 72
RH % (24H TREND) 74 (+2) 96 (-4) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.24 0.12 0.53
PRECIP DURATION 4 4 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 680 660
MIXING HGT(FT-AGL/MSL)2230 2180
TRANSPORT WND (MPH) S 8 W 15
VENT RATE (KT-FT) 15610 28340
CATEGORY DAY 2 3
INVERSION 67F/10AM 5PM 65F/9AM
DISPERSION 2 3
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 27 FAIR
MAX ADI LATE 21 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-262015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
100 AM EDT TUE MAY 26 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 100
CHANCE OF THUNDER (%) 30 20 40
TEMP (24H TREND) 71 (+3) 59 (+1) 69
RH % (24H TREND) 81 (0) 100 (0) 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.06 0.10 0.39
PRECIP DURATION 4 4 9
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 600 710
MIXING HGT(FT-AGL/MSL)1950 2320
TRANSPORT WND (MPH) S 8 W 17
VENT RATE (KT-FT) 13650 34800
CATEGORY DAY 2 3
INVERSION 63F/9AM 7PM 63F/8AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 33 FAIR
MAX ADI LATE 19 GEN POOR 5 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 8 9 6
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
70S. NORTHWEST WINDS 5 TO 10 MPH.
SHALLENBERGER
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