596
FNUS51 KPBZ 030544
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
144 AM EDT THU SEP 3 2026
DISCUSSION
ROUNDS OF SHOWERS AND THUNDERSTORMS CONTINUE THROUGH THE END OF
THE WEEK IN A WARM, MOIST AIRMASS. SOUTHWESTERLY FLOW AROUND 5-10
MPH WILL PREVAIL OUTSIDE OF SHOWERS AND STORMS. THE ACTIVE PATTERN
SHOULD COME TO AN END FOR THE WEEKEND WITH DRIER AIR ARRIVING
BEHIND A PASSING COLD FRONT SOMETIME ON FRIDAY.
OHZ039-032015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60
CHANCE OF THUNDER (%) 30 50 30
TEMP (24H TREND) 91 (-1) 68 (-3) 86
RH % (24H TREND) 58 (+4) 100 (+8) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.13 0.09 0.10
PRECIP DURATION 1 2 4
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1290 1030
MIXING HGT(FT-AGL/MSL)4220 3370
TRANSPORT WND (MPH) W 14 NW 10
VENT RATE (KT-FT) 50640 30330
CATEGORY DAY 3 3
INVERSION 79F/10AM 7PM 78F/11AM
DISPERSION 3 3
MAX ADI EARLY 33 FAIR 8 POOR 14 GEN POOR
MAX ADI LATE 64 GOOD 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 2 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-032015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 70
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 90 (-2) 68 (-3) 85
RH % (24H TREND) 58 (+6) 99 (+8) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 6
PRECIP AMOUNT 0.18 0.07 0.20
PRECIP DURATION 1 2 7
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1220 960
MIXING HGT(FT-AGL/MSL)4010 3140
TRANSPORT WND (MPH) W 14 W 12
VENT RATE (KT-FT) 48120 31400
CATEGORY DAY 3 3
INVERSION 78F/10AM 7PM 75F/10AM
DISPERSION 3 3
MAX ADI EARLY 31 FAIR 16 GEN POOR 13 GEN POOR
MAX ADI LATE 67 GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-032015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 80
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 90 (-2) 68 (-3) 84
RH % (24H TREND) 60 (+6) 99 (+8) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.21 0.09 0.13
PRECIP DURATION 2 2 8
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230 920
MIXING HGT(FT-AGL/MSL)4030 3030
TRANSPORT WND (MPH) W 14 W 12
VENT RATE (KT-FT) 48360 30300
CATEGORY DAY 3 3
INVERSION 78F/10AM 7PM 74F/10AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 10 POOR 20 GEN POOR
MAX ADI LATE 66 GOOD 5 VERY POOR 36 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-032015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 60
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 92 (+1) 68 (-3) 87
RH % (24H TREND) 55 (-3) 100 (+8) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.13 0.08 0.08
PRECIP DURATION 1 2 4
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1390 1020
MIXING HGT(FT-AGL/MSL)4560 3340
TRANSPORT WND (MPH) W 13 NW 12
VENT RATE (KT-FT) 50160 33400
CATEGORY DAY 4 3
INVERSION 80F/10AM 7PM 76F/10AM
DISPERSION 4 3
MAX ADI EARLY 28 FAIR 7 POOR 13 GEN POOR
MAX ADI LATE 67 GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-032015-
HARRISON-
INCLUDING THE CITY OF CADIZ
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 60
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 91 (-1) 68 (-3) 86
RH % (24H TREND) 58 (+5) 100 (+8) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.12 0.12 0.06
PRECIP DURATION 1 2 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260 960
MIXING HGT(FT-AGL/MSL)4120 3150
TRANSPORT WND (MPH) W 13 NW 10
VENT RATE (KT-FT) 45320 28350
CATEGORY DAY 3 3
INVERSION 79F/10AM 7PM 76F/10AM
DISPERSION 3 3
MAX ADI EARLY 31 FAIR 8 POOR 16 GEN POOR
MAX ADI LATE 61 GOOD 4 VERY POOR 39 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 2 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-032015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 80
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 91 (-1) 68 (-3) 86
RH % (24H TREND) 59 (+7) 99 (+8) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.16 0.12 0.13
PRECIP DURATION 1 2 7
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 950
MIXING HGT(FT-AGL/MSL)3990 3100
TRANSPORT WND (MPH) W 13 NW 10
VENT RATE (KT-FT) 43890 27900
CATEGORY DAY 3 3
INVERSION 79F/10AM 7PM 75F/10AM
DISPERSION 3 3
MAX ADI EARLY 33 FAIR 8 POOR 16 GEN POOR
MAX ADI LATE 63 GOOD 4 VERY POOR 35 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-032015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 60
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 92 (0) 68 (-3) 88
RH % (24H TREND) 55 (0) 100 (+9) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.02 0.05
PRECIP DURATION 0 1 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 950
MIXING HGT(FT-AGL/MSL)4960 3110
TRANSPORT WND (MPH) W 13 NW 9
VENT RATE (KT-FT) 54560 24880
CATEGORY DAY 4 2
INVERSION 80F/10AM 7PM 77F/10AM
DISPERSION 4 2
MAX ADI EARLY 26 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 70 GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-032015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 60
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 92 (0) 69 (-2) 88
RH % (24H TREND) 57 (+2) 100 (+6) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.03 0.06
PRECIP DURATION 1 2 3
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 960
MIXING HGT(FT-AGL/MSL)4750 3140
TRANSPORT WND (MPH) W 13 NW 10
VENT RATE (KT-FT) 52250 28260
CATEGORY DAY 4 3
INVERSION 79F/10AM 7PM 77F/10AM
DISPERSION 4 3
MAX ADI EARLY 21 FAIR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 70 GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-032015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 60
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 92 (0) 69 (-2) 88
RH % (24H TREND) 57 (+2) 99 (+8) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.12 0.18 0.06
PRECIP DURATION 1 2 6
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1340 810
MIXING HGT(FT-AGL/MSL)4390 2670
TRANSPORT WND (MPH) W 12 W 9
VENT RATE (KT-FT) 43900 21360
CATEGORY DAY 3 2
INVERSION 79F/10AM 7PM 77F/10AM
DISPERSION 3 2
MAX ADI EARLY 29 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 63 GOOD 4 VERY POOR 29 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-032015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 60
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 93 (0) 69 (-2) 89
RH % (24H TREND) 56 (+1) 100 (+5) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.01 0.08
PRECIP DURATION 0 1 5
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1530 1170
MIXING HGT(FT-AGL/MSL)5010 3830
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 50100 34470
CATEGORY DAY 3 3
INVERSION 80F/10AM 7PM 77F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 19 GEN POOR
MAX ADI LATE 69 GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-032015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 70
CHANCE OF THUNDER (%) 20 20 20
TEMP (24H TREND) 93 (+1) 69 (-2) 89
RH % (24H TREND) 57 (0) 99 (+4) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.03 0.06
PRECIP DURATION 1 2 4
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1370 1000
MIXING HGT(FT-AGL/MSL)4480 3280
TRANSPORT WND (MPH) W 12 NW 12
VENT RATE (KT-FT) 44800 32800
CATEGORY DAY 3 3
INVERSION 80F/10AM 7PM 77F/10AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 61 GOOD 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-032015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 80
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 88 (-3) 67 (-4) 81
RH % (24H TREND) 65 (+7) 100 (+3) 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR NW 6
PRECIP AMOUNT 0.14 0.26 0.54
PRECIP DURATION 4 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1720
MIXING HGT(FT-AGL/MSL)3430 5630
TRANSPORT WND (MPH) W 13 W 13
VENT RATE (KT-FT) 37730 61930
CATEGORY DAY 3 4
INVERSION 73F/9AM 7PM 73F/10AM
DISPERSION 3 4
MAX ADI EARLY 28 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 9 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-032015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 70
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 86 (-2) 66 (-2) 80
RH % (24H TREND) 73 (+4) 100 (+1) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR NW 5
PRECIP AMOUNT 0.18 0.26 0.39
PRECIP DURATION 4 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1120 1630
MIXING HGT(FT-AGL/MSL)3680 5340
TRANSPORT WND (MPH) W 13 NW 13
VENT RATE (KT-FT) 40480 58740
CATEGORY DAY 3 4
INVERSION 70F/9AM 7PM 70F/10AM
DISPERSION 3 4
MAX ADI EARLY 28 FAIR 6 VERY POOR 16 GEN POOR
MAX ADI LATE 52 GEN GOOD 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-032015-
FOREST-
INCLUDING THE CITY OF TIONESTA
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 60
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 85 (-1) 65 (-2) 80
RH % (24H TREND) 70 (-1) 100 (+2) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.31 0.27 0.16
PRECIP DURATION 4 4 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1090 1310
MIXING HGT(FT-AGL/MSL)3570 4300
TRANSPORT WND (MPH) W 13 NW 13
VENT RATE (KT-FT) 39270 47300
CATEGORY DAY 3 3
INVERSION 70F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 53 GEN GOOD 4 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-032015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 80
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 89 (-4) 67 (-3) 84
RH % (24H TREND) 62 (+8) 100 (+5) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR NW 5
PRECIP AMOUNT 0.16 0.22 0.50
PRECIP DURATION 3 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 1270
MIXING HGT(FT-AGL/MSL)3690 4160
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 40590 41600
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 76F/11AM
DISPERSION 3 3
MAX ADI EARLY 33 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 38 FAIR
MAX LVORI EARLY 6 8 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-032015-
BUTLER-
INCLUDING THE CITY OF BUTLER
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 90
CHANCE OF THUNDER (%) 60 60 30
TEMP (24H TREND) 88 (-3) 67 (-2) 83
RH % (24H TREND) 68 (+9) 100 (+2) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.16 0.24 0.37
PRECIP DURATION 3 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1070 1360
MIXING HGT(FT-AGL/MSL)3530 4480
TRANSPORT WND (MPH) W 12 W 13
VENT RATE (KT-FT) 35300 49280
CATEGORY DAY 3 4
INVERSION 72F/9AM 7PM 73F/10AM
DISPERSION 3 4
MAX ADI EARLY 31 FAIR 7 POOR 15 GEN POOR
MAX ADI LATE 50 GEN GOOD 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 7 9 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-032015-
CLARION-
INCLUDING THE CITY OF CLARION
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 80
CHANCE OF THUNDER (%) 60 60 30
TEMP (24H TREND) 87 (-1) 66 (-2) 82
RH % (24H TREND) 70 (+3) 100 (+2) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR NW 5
PRECIP AMOUNT 0.20 0.30 0.48
PRECIP DURATION 4 4 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 1510
MIXING HGT(FT-AGL/MSL)3690 4950
TRANSPORT WND (MPH) W 13 NW 13
VENT RATE (KT-FT) 40590 54450
CATEGORY DAY 3 4
INVERSION 70F/9AM 7PM 71F/10AM
DISPERSION 3 4
MAX ADI EARLY 32 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 51 GEN GOOD 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 7 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-032015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 90
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 86 (0) 65 (-3) 81
RH % (24H TREND) 71 (+1) 100 (+2) 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR NW 5
PRECIP AMOUNT 0.19 0.25 0.32
PRECIP DURATION 2 5 8
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1020 890
MIXING HGT(FT-AGL/MSL)3350 2920
TRANSPORT WND (MPH) W 12 W 13
VENT RATE (KT-FT) 33500 32120
CATEGORY DAY 3 3
INVERSION 70F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 7 POOR 21 FAIR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-032015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 80
CHANCE OF THUNDER (%) 40 50 30
TEMP (24H TREND) 90 (-3) 68 (-3) 85
RH % (24H TREND) 61 (+11) 100 (+6) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.15 0.15 0.14
PRECIP DURATION 2 2 8
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 950
MIXING HGT(FT-AGL/MSL)3710 3110
TRANSPORT WND (MPH) W 13 W 10
VENT RATE (KT-FT) 40810 27990
CATEGORY DAY 3 3
INVERSION 78F/10AM 7PM 74F/10AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-032015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 90
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 90 (-3) 68 (-3) 86
RH % (24H TREND) 64 (+8) 99 (+6) 74
WIND 20FT/EARLY(MPH) SW 5 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 7
PRECIP AMOUNT 0.14 0.15 0.20
PRECIP DURATION 2 2 6
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1070 950
MIXING HGT(FT-AGL/MSL)3510 3110
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 35100 27990
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 72F/9AM
DISPERSION 3 3
MAX ADI EARLY 33 FAIR 14 GEN POOR 17 GEN POOR
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 34 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-032015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 90
CHANCE OF THUNDER (%) 60 60 30
TEMP (24H TREND) 89 (-2) 67 (-2) 84
RH % (24H TREND) 69 (+6) 100 (+2) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.19 0.26 0.47
PRECIP DURATION 3 4 9
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1270
MIXING HGT(FT-AGL/MSL)3390 4180
TRANSPORT WND (MPH) W 12 W 13
VENT RATE (KT-FT) 33900 45980
CATEGORY DAY 3 3
INVERSION 75F/10AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 7 POOR 14 GEN POOR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 8 8 9
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-032015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 80
CHANCE OF THUNDER (%) 40 50 30
TEMP (24H TREND) 90 (-1) 68 (-3) 85
RH % (24H TREND) 62 (+5) 99 (+8) 74
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 7
PRECIP AMOUNT 0.12 0.10 0.14
PRECIP DURATION 1 2 7
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 1060
MIXING HGT(FT-AGL/MSL)3910 3460
TRANSPORT WND (MPH) W 13 W 14
VENT RATE (KT-FT) 43010 41520
CATEGORY DAY 3 3
INVERSION 78F/10AM 7PM 72F/9AM
DISPERSION 3 3
MAX ADI EARLY 36 FAIR 9 POOR 21 FAIR
MAX ADI LATE 57 GEN GOOD 6 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-032015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 90
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 90 (-1) 68 (-2) 86
RH % (24H TREND) 62 (+2) 100 (+7) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.14 0.03 0.19
PRECIP DURATION 1 2 7
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1370 840
MIXING HGT(FT-AGL/MSL)4510 2740
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 49610 27400
CATEGORY DAY 4 3
INVERSION 78F/10AM 7PM 76F/10AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 7 POOR 21 FAIR
MAX ADI LATE 59 GEN GOOD 5 VERY POOR 33 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-032015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 90 (-2) 67 (-3) 85
RH % (24H TREND) 66 (+7) 100 (+4) 76
WIND 20FT/EARLY(MPH) SW 5 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 8
PRECIP AMOUNT 0.16 0.12 0.23
PRECIP DURATION 2 3 6
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 920 1170
MIXING HGT(FT-AGL/MSL)3010 3830
TRANSPORT WND (MPH) W 12 W 13
VENT RATE (KT-FT) 30100 42130
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 74F/10AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 12 POOR 18 GEN POOR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 6 7 9
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-032015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 80
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 89 (0) 66 (-3) 85
RH % (24H TREND) 62 (+2) 100 (+3) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 7
PRECIP AMOUNT 0.18 0.13 0.23
PRECIP DURATION 2 2 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 780 1260
MIXING HGT(FT-AGL/MSL)2570 4140
TRANSPORT WND (MPH) W 13 W 15
VENT RATE (KT-FT) 28270 53820
CATEGORY DAY 3 4
INVERSION 74F/10AM 7PM 72F/10AM
DISPERSION 3 4
MAX ADI EARLY 30 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 38 FAIR 6 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-032015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 40 80
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 90 (-2) 68 (-3) 86
RH % (24H TREND) 63 (+5) 99 (+6) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR W 6
PRECIP AMOUNT 0.18 0.06 0.22
PRECIP DURATION 1 2 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1110 1260
MIXING HGT(FT-AGL/MSL)3650 4130
TRANSPORT WND (MPH) W 12 W 14
VENT RATE (KT-FT) 36500 49560
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 75F/10AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 6 VERY POOR 21 FAIR
MAX ADI LATE 48 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-032015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 90
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 89 (+1) 65 (-3) 85
RH % (24H TREND) 60 (0) 100 (+6) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.18 0.09 0.23
PRECIP DURATION 2 2 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1260
MIXING HGT(FT-AGL/MSL)3450 4140
TRANSPORT WND (MPH) W 13 W 15
VENT RATE (KT-FT) 37950 53820
CATEGORY DAY 3 4
INVERSION 75F/10AM 7PM 73F/10AM
DISPERSION 3 4
MAX ADI EARLY 26 FAIR 6 VERY POOR 23 FAIR
MAX ADI LATE 50 GEN GOOD 5 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-032015-
INDIANA-
INCLUDING THE CITY OF INDIANA
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 88 (-1) 66 (-3) 83
RH % (24H TREND) 70 (+4) 100 (+2) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 7
PRECIP AMOUNT 0.18 0.22 0.43
PRECIP DURATION 2 4 9
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 890 990
MIXING HGT(FT-AGL/MSL)2920 3230
TRANSPORT WND (MPH) W 12 W 13
VENT RATE (KT-FT) 29200 35530
CATEGORY DAY 3 3
INVERSION 71F/9AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 8 POOR 20 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 40 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-032015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 50 50 30
TEMP (24H TREND) 87 (-2) 66 (-3) 83
RH % (24H TREND) 68 (+6) 100 (+2) 76
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 7
PRECIP AMOUNT 0.18 0.17 0.33
PRECIP DURATION 2 3 8
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 830 900
MIXING HGT(FT-AGL/MSL)2710 2940
TRANSPORT WND (MPH) W 12 W 14
VENT RATE (KT-FT) 27100 35280
CATEGORY DAY 3 3
INVERSION 74F/10AM 7PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 8 POOR 20 GEN POOR
MAX ADI LATE 40 FAIR 5 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 7 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-032015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 80
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 90 (-2) 68 (-2) 85
RH % (24H TREND) 60 (+8) 99 (+7) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 5
PRECIP AMOUNT 0.20 0.15 0.15
PRECIP DURATION 2 2 7
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160 900
MIXING HGT(FT-AGL/MSL)3810 2960
TRANSPORT WND (MPH) W 14 W 9
VENT RATE (KT-FT) 45720 23680
CATEGORY DAY 3 2
INVERSION 78F/10AM 7PM 72F/9AM
DISPERSION 3 2
MAX ADI EARLY 32 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 59 GEN GOOD 4 VERY POOR 34 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-032015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 80
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 91 (-1) 69 (-3) 86
RH % (24H TREND) 59 (+7) 99 (+9) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.17 0.13 0.08
PRECIP DURATION 1 2 7
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1240 900
MIXING HGT(FT-AGL/MSL)4070 2950
TRANSPORT WND (MPH) W 12 W 9
VENT RATE (KT-FT) 40700 23600
CATEGORY DAY 3 2
INVERSION 79F/10AM 7PM 73F/9AM
DISPERSION 3 2
MAX ADI EARLY 35 FAIR 8 POOR 19 GEN POOR
MAX ADI LATE 59 GEN GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 5 6 9
MAX LVORI LATE 2 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-032015-
OHIO-
INCLUDING THE CITY OF WHEELING
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 80
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 90 (-3) 69 (-2) 87
RH % (24H TREND) 60 (+7) 100 (+9) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.17 0.06 0.12
PRECIP DURATION 1 2 7
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1300 810
MIXING HGT(FT-AGL/MSL)4260 2670
TRANSPORT WND (MPH) W 12 W 9
VENT RATE (KT-FT) 42600 21360
CATEGORY DAY 3 2
INVERSION 79F/10AM 7PM 76F/10AM
DISPERSION 3 2
MAX ADI EARLY 33 FAIR 8 POOR 17 GEN POOR
MAX ADI LATE 61 GOOD 5 VERY POOR 27 FAIR
MAX LVORI EARLY 5 6 9
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-032015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 70
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 92 (0) 69 (-3) 88
RH % (24H TREND) 60 (-1) 99 (+7) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 5
PRECIP AMOUNT 0.12 0.10 0.07
PRECIP DURATION 1 2 6
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1320 840
MIXING HGT(FT-AGL/MSL)4330 2760
TRANSPORT WND (MPH) W 13 W 10
VENT RATE (KT-FT) 47630 24840
CATEGORY DAY 3 3
INVERSION 79F/10AM 7PM 76F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 7 POOR 18 GEN POOR
MAX ADI LATE 63 GOOD 4 VERY POOR 31 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-032015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 70
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 92 (+2) 69 (-2) 88
RH % (24H TREND) 59 (-4) 100 (+8) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.08 0.06 0.09
PRECIP DURATION 1 2 6
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1480 1020
MIXING HGT(FT-AGL/MSL)4860 3340
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 48600 30060
CATEGORY DAY 3 3
INVERSION 78F/10AM 7PM 76F/10AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 6 VERY POOR 19 GEN POOR
MAX ADI LATE 67 GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-032015-
MARION-
INCLUDING THE CITY OF FAIRMONT
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 90
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 90 (-1) 68 (-1) 86
RH % (24H TREND) 61 (-3) 99 (+5) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 6
PRECIP AMOUNT 0.15 0.10 0.14
PRECIP DURATION 1 2 8
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1540 1050
MIXING HGT(FT-AGL/MSL)5050 3440
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 50500 30960
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 72F/9AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 6 VERY POOR 22 FAIR
MAX ADI LATE 67 GOOD 4 VERY POOR 36 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-032015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 90
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 90 (-1) 68 (-3) 86
RH % (24H TREND) 61 (-2) 100 (+8) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 6
PRECIP AMOUNT 0.05 0.05 0.31
PRECIP DURATION 1 2 7
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1390 970
MIXING HGT(FT-AGL/MSL)4550 3190
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 45500 28710
CATEGORY DAY 3 3
INVERSION 77F/10AM 7PM 72F/9AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 6 VERY POOR 21 FAIR
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 33 FAIR
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-032015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 90
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 87 (0) 66 (-3) 84
RH % (24H TREND) 65 (+1) 100 (+8) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.07 0.11 0.48
PRECIP DURATION 1 2 7
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1080 920
MIXING HGT(FT-AGL/MSL)3550 3030
TRANSPORT WND (MPH) W 12 W 10
VENT RATE (KT-FT) 35500 27270
CATEGORY DAY 3 3
INVERSION 75F/10AM 7PM 70F/9AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 49 GEN GOOD 4 VERY POOR 32 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-032015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 90
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 89 (+1) 66 (-2) 85
RH % (24H TREND) 62 (0) 98 (+4) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.11 0.13 0.44
PRECIP DURATION 1 2 7
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 960
MIXING HGT(FT-AGL/MSL)3910 3150
TRANSPORT WND (MPH) W 12 W 12
VENT RATE (KT-FT) 39100 31500
CATEGORY DAY 3 3
INVERSION 76F/10AM 7PM 71F/9AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 5 VERY POOR 24 FAIR
MAX ADI LATE 52 GEN GOOD 4 VERY POOR 35 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.
WVZ512-032015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 40 90
CHANCE OF THUNDER (%) 30 40 30
TEMP (24H TREND) 87 (0) 65 (-3) 83
RH % (24H TREND) 62 (-4) 99 (+5) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.14 0.12 0.36
PRECIP DURATION 1 2 6
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1240 970
MIXING HGT(FT-AGL/MSL)4080 3180
TRANSPORT WND (MPH) W 14 W 13
VENT RATE (KT-FT) 48960 34980
CATEGORY DAY 3 3
INVERSION 74F/10AM 7PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 43 GEN GOOD 6 VERY POOR 33 FAIR
MAX ADI LATE 64 GOOD 5 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 7
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-032015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 40 90
CHANCE OF THUNDER (%) 30 40 40
TEMP (24H TREND) 89 (-1) 66 (-3) 86
RH % (24H TREND) 58 (-1) 97 (+5) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.11 0.09 0.38
PRECIP DURATION 1 2 6
PRECIP BEGIN 9 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1270 1030
MIXING HGT(FT-AGL/MSL)4160 3390
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 45760 33900
CATEGORY DAY 3 3
INVERSION 76F/10AM 7PM 70F/9AM
DISPERSION 3 3
MAX ADI EARLY 42 GEN GOOD 4 VERY POOR 38 FAIR
MAX ADI LATE 65 GOOD 4 VERY POOR 39 FAIR
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-032015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
144 AM EDT THU SEP 3 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 30 80
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 84 (0) 62 (-3) 82
RH % (24H TREND) 61 (-3) 97 (+6) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 7 G20
PRECIP AMOUNT 0.08 0.07 0.21
PRECIP DURATION 1 1 6
PRECIP BEGIN 9 AM CONTINUING 7 AM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1190 980
MIXING HGT(FT-AGL/MSL)3910 3220
TRANSPORT WND (MPH) W 15 W 15
VENT RATE (KT-FT) 50830 41860
CATEGORY DAY 4 3
INVERSION 70F/9AM 7PM 69F/9AM
DISPERSION 4 3
MAX ADI EARLY 65 GOOD 8 POOR 51 GEN GOOD
MAX ADI LATE 75 GOOD 5 VERY POOR 49 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.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
70S. EAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 10 TO 15 MPH.
SHALLENBERGER
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page