584
FNUS51 KPBZ 010447
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1247 AM EDT TUE SEP 1 2026
DISCUSSION
A DISTURBANCE WILL BRING A ROUND OF SHOWERS AND THUNDERSTORMS TO
THE REGION DURING THE DAY ON TUESDAY AND INTO THE OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH MIDWEEK
AS WELL.
OHZ039-012030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 30
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 89 (+2) 71 (+1) 91
RH % (24H TREND) 58 (-1) 93 (-3) 53
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM 8 AM
PRECIP END 2 PM 3 PM
MIXING HGT(M-AGL/MSL) 1220 1600
MIXING HGT(FT-AGL/MSL)4010 5240
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 52130 57640
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 8 POOR 18 GEN POOR
MAX ADI LATE 72 GOOD 4 VERY POOR 73 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.
OHZ040-012030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 20 30
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 88 (+2) 71 (+1) 90
RH % (24H TREND) 58 (-1) 93 (-1) 54
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.01 0.10
PRECIP DURATION 1 0 1
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 2 PM CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1190 1500
MIXING HGT(FT-AGL/MSL)3900 4930
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 58500 54230
CATEGORY DAY 4 4
INVERSION 77F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 36 FAIR 7 POOR 22 FAIR
MAX ADI LATE 77 GOOD 5 VERY POOR 67 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-012030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 20 20 20
TEMP (24H TREND) 88 (+2) 71 (+1) 91
RH % (24H TREND) 59 (-1) 94 (+4) 54
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.01 0.07
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 12 PM CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1220 1540
MIXING HGT(FT-AGL/MSL)4020 5060
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 60300 55660
CATEGORY DAY 4 4
INVERSION 77F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 8 POOR 21 FAIR
MAX ADI LATE 82 GOOD 5 VERY POOR 69 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-012030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 89 (+2) 71 (+1) 91
RH % (24H TREND) 57 (-2) 94 (0) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1290 1660
MIXING HGT(FT-AGL/MSL)4230 5450
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 54990 59950
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 73 GOOD 4 VERY POOR 76 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-012030-
HARRISON-
INCLUDING THE CITY OF CADIZ
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 89 (+2) 72 (+2) 91
RH % (24H TREND) 57 (-1) 93 (-5) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1230 1610
MIXING HGT(FT-AGL/MSL)4020 5290
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 56280 52900
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 8 POOR 22 FAIR
MAX ADI LATE 74 GOOD 4 VERY POOR 70 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-012030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 88 (+2) 71 (+1) 91
RH % (24H TREND) 57 (-3) 92 (-3) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.03 0.01
PRECIP DURATION 1 1 0
PRECIP BEGIN 7 AM 1 AM CONTINUING
PRECIP END 2 PM CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1280 1670
MIXING HGT(FT-AGL/MSL)4210 5470
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 63150 54700
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 8 POOR 23 FAIR
MAX ADI LATE 84 GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-012030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+2) 71 (+1) 91
RH % (24H TREND) 55 (-1) 92 (-2) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1300 1680
MIXING HGT(FT-AGL/MSL)4260 5510
TRANSPORT WND (MPH) W 14 W 12
VENT RATE (KT-FT) 51120 55100
CATEGORY DAY 3 4
INVERSION 79F/10AM 7PM 81F/10AM
DISPERSION 3 4
MAX ADI EARLY 31 FAIR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 70 GOOD 4 VERY POOR 72 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.
OHZ058-012030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+1) 71 (+1) 92
RH % (24H TREND) 55 (0) 93 (-5) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1750
MIXING HGT(FT-AGL/MSL)4070 5750
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 52910 57500
CATEGORY DAY 4 4
INVERSION 79F/10AM 7PM 81F/10AM
DISPERSION 4 4
MAX ADI EARLY 31 FAIR 5 VERY POOR 18 GEN POOR
MAX ADI LATE 69 GOOD 4 VERY POOR 73 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-012030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 90 (+2) 72 (+1) 92
RH % (24H TREND) 54 (-4) 91 (-4) 50
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.03 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1300 1760
MIXING HGT(FT-AGL/MSL)4260 5780
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 59640 57800
CATEGORY DAY 4 4
INVERSION 79F/10AM 7PM 81F/10AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 7 POOR 21 FAIR
MAX ADI LATE 76 GOOD 4 VERY POOR 72 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.
OHZ068-012030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+2) 71 (+1) 92
RH % (24H TREND) 53 (-8) 92 (-6) 50
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) 1380 1880
MIXING HGT(FT-AGL/MSL)4530 6180
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 58890 55620
CATEGORY DAY 4 4
INVERSION 80F/10AM 7PM 81F/10AM
DISPERSION 4 4
MAX ADI EARLY 28 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 74 GOOD 4 VERY POOR 77 GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-012030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+2) 71 (+1) 92
RH % (24H TREND) 52 (-12) 92 (-6) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1440 1850
MIXING HGT(FT-AGL/MSL)4710 6060
TRANSPORT WND (MPH) W 14 W 12
VENT RATE (KT-FT) 56520 60600
CATEGORY DAY 4 4
INVERSION 79F/10AM 7PM 81F/10AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 5 VERY POOR 19 GEN POOR
MAX ADI LATE 77 GOOD 4 VERY POOR 83 GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-012030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 89 (+4) 70 (0) 91
RH % (24H TREND) 57 (-8) 100 (+6) 55
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR SW 7
PRECIP AMOUNT 0.02 0.03 0.04
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 11 AM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1180 1500
MIXING HGT(FT-AGL/MSL)3860 4920
TRANSPORT WND (MPH) W 15 SW 14
VENT RATE (KT-FT) 50180 59040
CATEGORY DAY 4 4
INVERSION 77F/10AM 7PM 78F/10AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 7 POOR 24 FAIR
MAX ADI LATE 67 GOOD 4 VERY POOR 76 GOOD
MAX LVORI EARLY 5 7 8
MAX LVORI LATE 2 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-012030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 40
CHANCE OF THUNDER (%) 0 40 40
TEMP (24H TREND) 88 (+7) 69 (+1) 89
RH % (24H TREND) 60 (-13) 99 (+3) 59
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR SW 5
PRECIP AMOUNT 0.03 0.03 0.23
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 11 AM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 1500
MIXING HGT(FT-AGL/MSL)3700 4910
TRANSPORT WND (MPH) W 15 SW 14
VENT RATE (KT-FT) 48100 58920
CATEGORY DAY 3 4
INVERSION 72F/9AM 7PM 75F/10AM
DISPERSION 3 4
MAX ADI EARLY 36 FAIR 6 VERY POOR 20 GEN POOR
MAX ADI LATE 66 GOOD 3 VERY POOR 74 GOOD
MAX LVORI EARLY 5 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-012030-
FOREST-
INCLUDING THE CITY OF TIONESTA
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 0 40 40
TEMP (24H TREND) 87 (+7) 67 (0) 88
RH % (24H TREND) 60 (-12) 99 (+3) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.02 0.45
PRECIP DURATION 1 1 2
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 11 AM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1080 1440
MIXING HGT(FT-AGL/MSL)3560 4710
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 46280 51810
CATEGORY DAY 3 4
INVERSION 71F/9AM 7PM 77F/11AM
DISPERSION 3 4
MAX ADI EARLY 42 GEN GOOD 7 POOR 17 GEN POOR
MAX ADI LATE 66 GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-012030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 90 (+4) 71 (+1) 92
RH % (24H TREND) 56 (-6) 98 (+4) 53
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.04 0.04
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 11 AM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 1450
MIXING HGT(FT-AGL/MSL)3980 4770
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 55720 57240
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 36 FAIR 5 VERY POOR 24 FAIR
MAX ADI LATE 76 GOOD 4 VERY POOR 73 GOOD
MAX LVORI EARLY 5 7 7
MAX LVORI LATE 2 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-012030-
BUTLER-
INCLUDING THE CITY OF BUTLER
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 30
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 89 (+5) 69 (0) 91
RH % (24H TREND) 59 (-8) 99 (+4) 56
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.07 0.04
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1250 1460
MIXING HGT(FT-AGL/MSL)4090 4800
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 57260 52800
CATEGORY DAY 4 4
INVERSION 77F/10AM 7PM 78F/10AM
DISPERSION 4 4
MAX ADI EARLY 37 FAIR 6 VERY POOR 25 FAIR
MAX ADI LATE 77 GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 5 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-012030-
CLARION-
INCLUDING THE CITY OF CLARION
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 0 40 40
TEMP (24H TREND) 88 (+7) 69 (+2) 89
RH % (24H TREND) 59 (-12) 98 (+2) 58
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR SW 5
PRECIP AMOUNT 0.01 0.04 0.17
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 1380
MIXING HGT(FT-AGL/MSL)3790 4520
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 53060 49720
CATEGORY DAY 4 4
INVERSION 71F/9AM 7PM 75F/10AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 6 VERY POOR 19 GEN POOR
MAX ADI LATE 77 GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-012030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 40
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 86 (+6) 68 (+1) 87
RH % (24H TREND) 60 (-12) 99 (+3) 60
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.02 0.16
PRECIP DURATION 1 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 1260
MIXING HGT(FT-AGL/MSL)3700 4150
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 55500 45650
CATEGORY DAY 4 3
INVERSION 71F/9AM 7PM 74F/10AM
DISPERSION 4 3
MAX ADI EARLY 42 GEN GOOD 8 POOR 19 GEN POOR
MAX ADI LATE 77 GOOD 3 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-012030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 20 30 20
TEMP (24H TREND) 89 (+3) 71 (+1) 92
RH % (24H TREND) 58 (-4) 95 (+4) 53
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.06 0.09
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 1 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1310 1480
MIXING HGT(FT-AGL/MSL)4310 4870
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 64650 48700
CATEGORY DAY 4 3
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 3
MAX ADI EARLY 34 FAIR 6 VERY POOR 22 FAIR
MAX ADI LATE 86 GOOD 3 VERY POOR 67 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-012030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 30
CHANCE OF THUNDER (%) 20 30 20
TEMP (24H TREND) 89 (+5) 71 (+1) 92
RH % (24H TREND) 57 (-12) 94 (+1) 53
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.19 0.04
PRECIP DURATION 1 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1410 1540
MIXING HGT(FT-AGL/MSL)4620 5040
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 69300 50400
CATEGORY DAY 4 3
INVERSION 75F/9AM 7PM 79F/10AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 9 POOR 24 FAIR
MAX ADI LATE 76 GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-012030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 90 (+7) 69 (+1) 92
RH % (24H TREND) 59 (-11) 98 (+1) 58
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.09 0.04
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 1530
MIXING HGT(FT-AGL/MSL)3960 5030
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 55440 50300
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 77F/10AM
DISPERSION 4 3
MAX ADI EARLY 36 FAIR 8 POOR 24 FAIR
MAX ADI LATE 75 GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-012030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 88 (+4) 71 (+1) 90
RH % (24H TREND) 57 (-12) 91 (-1) 53
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.22 0.03
PRECIP DURATION 1 1 0
PRECIP BEGIN 8 AM 8 PM CONTINUING
PRECIP END 2 PM CONTINUING 5 PM
MIXING HGT(M-AGL/MSL) 1330 1590
MIXING HGT(FT-AGL/MSL)4350 5230
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 65250 52300
CATEGORY DAY 4 3
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 14 GEN POOR 24 FAIR
MAX ADI LATE 73 GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-012030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE
CHANCE PRECIP (%) 20 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 89 (+5) 71 (+1) 91
RH % (24H TREND) 56 (-12) 92 (-1) 52
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.27 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 11 AM 9 PM
PRECIP END 3 PM 6 AM
MIXING HGT(M-AGL/MSL) 1470 1720
MIXING HGT(FT-AGL/MSL)4840 5640
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 67760 56400
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 8 POOR 28 FAIR
MAX ADI LATE 86 GOOD 4 VERY POOR 71 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.
PAZ073-012030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 30
CHANCE OF THUNDER (%) 30 30 20
TEMP (24H TREND) 89 (+6) 71 (+2) 91
RH % (24H TREND) 58 (-14) 96 (+3) 55
WIND 20FT/EARLY(MPH) SW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 11 LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.15 0.03
PRECIP DURATION 1 2 1
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1280 1500
MIXING HGT(FT-AGL/MSL)4190 4910
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 62850 49100
CATEGORY DAY 4 3
INVERSION 74F/9AM 7PM 79F/10AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 13 GEN POOR 23 FAIR
MAX ADI LATE 64 GOOD 5 VERY POOR 60 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.
PAZ074-012030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 20
CHANCE OF THUNDER (%) 30 30 20
TEMP (24H TREND) 89 (+8) 69 (+1) 90
RH % (24H TREND) 56 (-13) 97 (+3) 54
WIND 20FT/EARLY(MPH) SW 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 G18 LGT/VAR W 5
PRECIP AMOUNT 0.01 0.16 0.01
PRECIP DURATION 1 2 0
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1090 1220
MIXING HGT(FT-AGL/MSL)3570 4000
TRANSPORT WND (MPH) W 18 W 12
VENT RATE (KT-FT) 57120 40000
CATEGORY DAY 4 3
INVERSION 76F/10AM 7PM 77F/10AM
DISPERSION 4 3
MAX ADI EARLY 37 FAIR 14 GEN POOR 28 FAIR
MAX ADI LATE 67 GOOD 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-012030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 40 0
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 89 (+5) 71 (+1) 91
RH % (24H TREND) 55 (-15) 91 (+1) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.36 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1290 1730
MIXING HGT(FT-AGL/MSL)4250 5680
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 59500 56800
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 28 FAIR 10 POOR 24 FAIR
MAX ADI LATE 71 GOOD 5 VERY POOR 70 GOOD
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.
PAZ076-012030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 40 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 88 (+8) 68 (+1) 90
RH % (24H TREND) 54 (-18) 94 (-1) 51
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.44 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1120 1560
MIXING HGT(FT-AGL/MSL)3680 5130
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 51520 51300
CATEGORY DAY 3 3
INVERSION 76F/10AM 7PM 77F/10AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 8 POOR 26 FAIR
MAX ADI LATE 70 GOOD 4 VERY POOR 70 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-012030-
INDIANA-
INCLUDING THE CITY OF INDIANA
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 30 20
TEMP (24H TREND) 88 (+7) 69 (+1) 90
RH % (24H TREND) 60 (-12) 97 (+1) 60
WIND 20FT/EARLY(MPH) SW 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 G17 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.03 0.02
PRECIP DURATION 1 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230 1390
MIXING HGT(FT-AGL/MSL)4030 4570
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 60450 45700
CATEGORY DAY 4 3
INVERSION 72F/9AM 7PM 77F/10AM
DISPERSION 4 3
MAX ADI EARLY 38 FAIR 12 POOR 23 FAIR
MAX ADI LATE 81 GOOD 3 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 6 6 7
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-012030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 30 20
TEMP (24H TREND) 87 (+7) 69 (+1) 89
RH % (24H TREND) 60 (-10) 97 (+1) 60
WIND 20FT/EARLY(MPH) SW 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 9 G18 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.02 0.01
PRECIP DURATION 1 2 1
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 1230
MIXING HGT(FT-AGL/MSL)3760 4050
TRANSPORT WND (MPH) W 18 W 12
VENT RATE (KT-FT) 60160 40500
CATEGORY DAY 4 3
INVERSION 72F/9AM 7PM 77F/10AM
DISPERSION 4 3
MAX ADI EARLY 40 FAIR 13 GEN POOR 25 FAIR
MAX ADI LATE 77 GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 6 7
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-012030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 30
CHANCE OF THUNDER (%) 20 30 20
TEMP (24H TREND) 88 (+2) 72 (+2) 91
RH % (24H TREND) 58 (-8) 93 (0) 53
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.04 0.02
PRECIP DURATION 1 1 0
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 1 PM CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1290 1600
MIXING HGT(FT-AGL/MSL)4220 5240
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 63300 52400
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 8 POOR 25 FAIR
MAX ADI LATE 86 GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-012030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 89 (+3) 71 (+1) 91
RH % (24H TREND) 56 (-6) 91 (-1) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.08 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 8 AM 12 AM
PRECIP END 1 PM 6 AM
MIXING HGT(M-AGL/MSL) 1300 1490
MIXING HGT(FT-AGL/MSL)4260 4900
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 63900 49000
CATEGORY DAY 4 3
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 3
MAX ADI EARLY 34 FAIR 8 POOR 22 FAIR
MAX ADI LATE 86 GOOD 4 VERY POOR 73 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.
WVZ003-012030-
OHIO-
INCLUDING THE CITY OF WHEELING
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 89 (+1) 72 (+2) 91
RH % (24H TREND) 56 (0) 92 (0) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.08 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1280 1560
MIXING HGT(FT-AGL/MSL)4190 5130
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 58660 51300
CATEGORY DAY 4 3
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 8 POOR 23 FAIR
MAX ADI LATE 79 GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-012030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+3) 71 (+1) 92
RH % (24H TREND) 56 (-9) 92 (-1) 52
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.12 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1410 1750
MIXING HGT(FT-AGL/MSL)4620 5740
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 64680 57400
CATEGORY DAY 4 4
INVERSION 79F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 31 FAIR 7 POOR 22 FAIR
MAX ADI LATE 84 GOOD 4 VERY POOR 72 GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-012030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 89 (+2) 70 (+1) 91
RH % (24H TREND) 56 (-12) 92 (-3) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.07 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1440 1740
MIXING HGT(FT-AGL/MSL)4710 5710
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 61230 57100
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 80F/10AM
DISPERSION 4 4
MAX ADI EARLY 29 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 80 GOOD 4 VERY POOR 79 GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-012030-
MARION-
INCLUDING THE CITY OF FAIRMONT
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 89 (+2) 70 (+1) 91
RH % (24H TREND) 56 (-13) 92 (-5) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.18 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 AM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1490 1710
MIXING HGT(FT-AGL/MSL)4890 5600
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 63570 56000
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 6 VERY POOR 24 FAIR
MAX ADI LATE 82 GOOD 4 VERY POOR 72 GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-012030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 89 (+4) 70 (+1) 90
RH % (24H TREND) 56 (-15) 91 (-5) 52
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.25 0.00
PRECIP DURATION 1
PRECIP BEGIN 9 PM
PRECIP END 6 AM
MIXING HGT(M-AGL/MSL) 1440 1750
MIXING HGT(FT-AGL/MSL)4730 5750
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 61490 57500
CATEGORY DAY 4 4
INVERSION 78F/10AM 7PM 79F/10AM
DISPERSION 4 4
MAX ADI EARLY 31 FAIR 8 POOR 24 FAIR
MAX ADI LATE 77 GOOD 4 VERY POOR 72 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-012030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 0
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 86 (+6) 69 (+2) 88
RH % (24H TREND) 58 (-17) 91 (-8) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.31 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1230 1690
MIXING HGT(FT-AGL/MSL)4030 5550
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 52390 55500
CATEGORY DAY 4 4
INVERSION 75F/10AM 7PM 77F/10AM
DISPERSION 4 4
MAX ADI EARLY 29 FAIR 8 POOR 24 FAIR
MAX ADI LATE 69 GOOD 4 VERY POOR 78 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-012030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 88 (+6) 69 (+2) 90
RH % (24H TREND) 55 (-16) 89 (-10) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.32 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(M-AGL/MSL) 1270 1640
MIXING HGT(FT-AGL/MSL)4170 5400
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 54210 54000
CATEGORY DAY 4 4
INVERSION 77F/10AM 7PM 78F/10AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 5 VERY POOR 26 FAIR
MAX ADI LATE 73 GOOD 4 VERY POOR 76 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.
WVZ512-012030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 85 (+5) 67 (+1) 87
RH % (24H TREND) 57 (-21) 91 (-6) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.35 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(M-AGL/MSL) 1250 1570
MIXING HGT(FT-AGL/MSL)4090 5150
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 61350 56650
CATEGORY DAY 4 4
INVERSION 71F/9AM 7PM 76F/10AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 6 VERY POOR 33 FAIR
MAX ADI LATE 80 GOOD 4 VERY POOR 75 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-012030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 87 (+4) 68 (+1) 90
RH % (24H TREND) 55 (-15) 89 (-8) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.18 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 AM
PRECIP END 5 AM
MIXING HGT(M-AGL/MSL) 1280 1650
MIXING HGT(FT-AGL/MSL)4200 5400
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 58800 54000
CATEGORY DAY 4 4
INVERSION 71F/9AM 7PM 77F/10AM
DISPERSION 4 4
MAX ADI EARLY 48 GEN GOOD 5 VERY POOR 38 FAIR
MAX ADI LATE 74 GOOD 4 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.
WVZ514-012030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1247 AM EDT TUE SEP 1 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 83 (+7) 64 (+1) 85
RH % (24H TREND) 61 (-15) 91 (-6) 56
WIND 20FT/EARLY(MPH) W 5 G21 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.20 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 AM
PRECIP END 4 AM
MIXING HGT(M-AGL/MSL) 1100 1450
MIXING HGT(FT-AGL/MSL)3620 4740
TRANSPORT WND (MPH) W 18 W 13
VENT RATE (KT-FT) 57920 52140
CATEGORY DAY 4 4
INVERSION 69F/9AM 8PM 71F/9AM
DISPERSION 4 4
MAX ADI EARLY 64 GOOD 8 POOR 47 GEN GOOD
MAX ADI LATE 79 GOOD 5 VERY POOR 75 GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 6 1
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 AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS AROUND 80. NORTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
SHALLENBERGER
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