820
FNUS51 KPBZ 100634
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
234 AM EDT MON AUG 10 2026
DISCUSSION
SEVERAL ROUNDS OF SHOWERS AND STORMS ARE EXPECTED THROUGH THE NEXT
SEVERAL DAYS. GIVEN PAST AND EXPECTED RAINFALL, AND CONTINUED
MINIMUM RH LEVELS ABOVE 50 PERCENT, FIRE WEATHER CONCERNS ARE NIL.
OHZ039-102015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 70 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-2) 67 (+1) 82
RH % (24H TREND) 70 (+16) 100 (+3) 72
WIND 20FT/EARLY(MPH) SW 6 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.28 0.25 0.40
PRECIP DURATION 3 4 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 1040
MIXING HGT(FT-AGL/MSL)3780 3400
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 52920 37400
CATEGORY DAY 4 3
INVERSION 74F/10AM 7PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 27 FAIR 17 GEN POOR 20 GEN POOR
MAX ADI LATE 51 GEN GOOD 7 POOR 39 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-102015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 70 80
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (-2) 66 (0) 82
RH % (24H TREND) 71 (+19) 100 (+1) 71
WIND 20FT/EARLY(MPH) SW 7 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 LGT/VAR W 5
PRECIP AMOUNT 0.31 0.20 0.33
PRECIP DURATION 3 3 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140 1000
MIXING HGT(FT-AGL/MSL)3740 3280
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 56100 32800
CATEGORY DAY 4 3
INVERSION 72F/9AM 8PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 27 FAIR 20 GEN POOR 22 FAIR
MAX ADI LATE 55 GEN GOOD 9 POOR 41 GEN GOOD
MAX LVORI EARLY 6 7 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-102015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 60 60
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (-2) 66 (0) 81
RH % (24H TREND) 72 (+23) 100 (+3) 70
WIND 20FT/EARLY(MPH) SW 7 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.21 0.14 0.27
PRECIP DURATION 3 3 3
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1020
MIXING HGT(FT-AGL/MSL)3360 3350
TRANSPORT WND (MPH) W 18 W 10
VENT RATE (KT-FT) 53760 30150
CATEGORY DAY 4 3
INVERSION 72F/9AM 8PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 20 GEN POOR 23 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 32 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-102015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 90
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-2) 66 (0) 82
RH % (24H TREND) 73 (+21) 100 (+3) 75
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.23 0.26 0.58
PRECIP DURATION 3 3 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170 1010
MIXING HGT(FT-AGL/MSL)3840 3310
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 57600 39720
CATEGORY DAY 4 3
INVERSION 72F/9AM 7PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 27 FAIR 16 GEN POOR 22 FAIR
MAX ADI LATE 49 GEN GOOD 6 VERY POOR 38 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.
OHZ049-102015-
HARRISON-
INCLUDING THE CITY OF CADIZ
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-1) 67 (0) 82
RH % (24H TREND) 72 (+20) 100 (+2) 73
WIND 20FT/EARLY(MPH) SW 7 G17 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR W 6
PRECIP AMOUNT 0.21 0.23 0.35
PRECIP DURATION 3 3 4
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230 1060
MIXING HGT(FT-AGL/MSL)4040 3470
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 60600 34700
CATEGORY DAY 4 3
INVERSION 71F/8AM 8PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 28 FAIR 17 GEN POOR 24 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 6 8 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-102015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 60 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-1) 67 (0) 82
RH % (24H TREND) 70 (+20) 100 (+2) 72
WIND 20FT/EARLY(MPH) SW 7 G17 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.28 0.22 0.34
PRECIP DURATION 3 3 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 1100
MIXING HGT(FT-AGL/MSL)3980 3620
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 59700 36200
CATEGORY DAY 4 3
INVERSION 73F/9AM 8PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 31 FAIR 18 GEN POOR 24 FAIR
MAX ADI LATE 54 GEN GOOD 8 POOR 40 FAIR
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.
OHZ057-102015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 70 90
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-2) 67 (0) 82
RH % (24H TREND) 69 (+10) 100 (+4) 74
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.19 0.34 0.59
PRECIP DURATION 3 3 6
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1300 900
MIXING HGT(FT-AGL/MSL)4250 2940
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 59500 32340
CATEGORY DAY 4 3
INVERSION 74F/9AM 8PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 9 POOR 25 FAIR
MAX ADI LATE 48 GEN GOOD 6 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 6 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-102015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-2) 67 (0) 83
RH % (24H TREND) 72 (+16) 100 (+1) 75
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.22 0.29 0.51
PRECIP DURATION 3 3 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1240 900
MIXING HGT(FT-AGL/MSL)4080 2940
TRANSPORT WND (MPH) W 15 W 10
VENT RATE (KT-FT) 53040 26460
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 8 POOR 22 FAIR
MAX ADI LATE 51 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-102015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 50 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-2) 68 (0) 83
RH % (24H TREND) 70 (+15) 100 (+3) 73
WIND 20FT/EARLY(MPH) SW 7 G17 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.28 0.25 0.36
PRECIP DURATION 3 2 4
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1250 970
MIXING HGT(FT-AGL/MSL)4080 3190
TRANSPORT WND (MPH) W 17 W 12
VENT RATE (KT-FT) 61200 31900
CATEGORY DAY 4 3
INVERSION 74F/9AM 7PM 72F/9AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 16 GEN POOR 27 FAIR
MAX ADI LATE 53 GEN GOOD 8 POOR 46 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.
OHZ068-102015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 70 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-1) 67 (-1) 83
RH % (24H TREND) 70 (+7) 100 (+1) 75
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.24 0.34 0.52
PRECIP DURATION 3 3 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1320 940
MIXING HGT(FT-AGL/MSL)4330 3090
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 60620 30900
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 7 POOR 20 GEN POOR
MAX ADI LATE 52 GEN GOOD 5 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-102015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-2) 68 (0) 83
RH % (24H TREND) 71 (+9) 100 (+1) 75
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR SW 5
PRECIP AMOUNT 0.22 0.34 0.45
PRECIP DURATION 2 4 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260 930
MIXING HGT(FT-AGL/MSL)4120 3060
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 57680 30600
CATEGORY DAY 4 3
INVERSION 74F/9AM 7PM 72F/9AM
DISPERSION 4 3
MAX ADI EARLY 30 FAIR 8 POOR 20 GEN POOR
MAX ADI LATE 55 GEN GOOD 7 POOR 45 GEN GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-102015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 40 50
CHANCE OF THUNDER (%) 50 40 30
TEMP (24H TREND) 82 (-3) 65 (0) 82
RH % (24H TREND) 73 (+25) 100 (0) 66
WIND 20FT/EARLY(MPH) SW 6 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 LGT/VAR NW 5
PRECIP AMOUNT 0.41 0.11 0.08
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM 6 PM 7 AM
PRECIP END 5 PM 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1150
MIXING HGT(FT-AGL/MSL)3360 3760
TRANSPORT WND (MPH) W 16 W 9
VENT RATE (KT-FT) 47040 30080
CATEGORY DAY 3 3
INVERSION 71F/9AM 8PM 70F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 17 GEN POOR 23 FAIR
MAX ADI LATE 43 GEN GOOD 5 VERY POOR 35 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-102015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 40 50
CHANCE OF THUNDER (%) 50 40 20
TEMP (24H TREND) 81 (-3) 64 (+1) 81
RH % (24H TREND) 77 (+23) 100 (0) 67
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.49 0.12 0.06
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 920 1240
MIXING HGT(FT-AGL/MSL)3010 4060
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 42140 36540
CATEGORY DAY 3 3
INVERSION 68F/9AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 8 POOR 24 FAIR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 36 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-102015-
FOREST-
INCLUDING THE CITY OF TIONESTA
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 40 40 20
TEMP (24H TREND) 80 (-3) 63 (+2) 80
RH % (24H TREND) 75 (+16) 100 (+1) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.28 0.09 0.06
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950 1260
MIXING HGT(FT-AGL/MSL)3120 4120
TRANSPORT WND (MPH) W 17 NW 10
VENT RATE (KT-FT) 46800 37080
CATEGORY DAY 3 3
INVERSION 67F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 8 POOR 24 FAIR
MAX ADI LATE 41 GEN GOOD 5 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-102015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 40 60
CHANCE OF THUNDER (%) 50 40 30
TEMP (24H TREND) 84 (-2) 65 (0) 83
RH % (24H TREND) 72 (+28) 100 (+1) 69
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.12 0.15
PRECIP DURATION 3 2 2
PRECIP BEGIN 6 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1170
MIXING HGT(FT-AGL/MSL)3300 3820
TRANSPORT WND (MPH) W 16 W 9
VENT RATE (KT-FT) 46200 30560
CATEGORY DAY 3 3
INVERSION 71F/9AM 8PM 70F/9AM
DISPERSION 3 3
MAX ADI EARLY 33 FAIR 16 GEN POOR 23 FAIR
MAX ADI LATE 49 GEN GOOD 5 VERY POOR 35 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-102015-
BUTLER-
INCLUDING THE CITY OF BUTLER
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (-2) 65 (+1) 82
RH % (24H TREND) 76 (+25) 100 (0) 72
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.21 0.14 0.12
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 970 1170
MIXING HGT(FT-AGL/MSL)3180 3840
TRANSPORT WND (MPH) W 15 W 9
VENT RATE (KT-FT) 41340 30720
CATEGORY DAY 3 3
INVERSION 70F/9AM 8PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 9 POOR 22 FAIR
MAX ADI LATE 55 GEN GOOD 5 VERY POOR 34 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-102015-
CLARION-
INCLUDING THE CITY OF CLARION
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 81 (-2) 64 (+1) 81
RH % (24H TREND) 76 (+19) 100 (+1) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.39 0.14 0.09
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 920 1250
MIXING HGT(FT-AGL/MSL)3030 4090
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 42420 36810
CATEGORY DAY 3 3
INVERSION 68F/9AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 8 POOR 23 FAIR
MAX ADI LATE 44 GEN GOOD 5 VERY POOR 37 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-102015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 40 40 30
TEMP (24H TREND) 79 (-3) 64 (+2) 79
RH % (24H TREND) 76 (+18) 100 (+1) 66
WIND 20FT/EARLY(MPH) SW 5 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.35 0.09 0.08
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 960 1280
MIXING HGT(FT-AGL/MSL)3140 4200
TRANSPORT WND (MPH) W 17 NW 10
VENT RATE (KT-FT) 47100 37800
CATEGORY DAY 3 3
INVERSION 68F/9AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 16 GEN POOR 24 FAIR
MAX ADI LATE 46 GEN GOOD 7 POOR 39 FAIR
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-102015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 60
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-2) 66 (0) 82
RH % (24H TREND) 73 (+26) 100 (+4) 70
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.20 0.17 0.26
PRECIP DURATION 3 2 3
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1060 1100
MIXING HGT(FT-AGL/MSL)3480 3620
TRANSPORT WND (MPH) W 15 W 9
VENT RATE (KT-FT) 45240 28960
CATEGORY DAY 3 3
INVERSION 72F/9AM 8PM 68F/7AM
DISPERSION 3 3
MAX ADI EARLY 38 FAIR 8 POOR 24 FAIR
MAX ADI LATE 51 GEN GOOD 6 VERY POOR 32 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-102015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 60 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-2) 67 (0) 83
RH % (24H TREND) 73 (+20) 100 (+3) 73
WIND 20FT/EARLY(MPH) SW 7 W 6 SW 5
WIND 20FT/LATE(MPH) SW 10 G17 LGT/VAR W 7
PRECIP AMOUNT 0.26 0.27 0.29
PRECIP DURATION 3 3 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1120 1070
MIXING HGT(FT-AGL/MSL)3690 3510
TRANSPORT WND (MPH) W 15 W 9
VENT RATE (KT-FT) 47970 28080
CATEGORY DAY 3 3
INVERSION 73F/9AM 8PM 70F/8AM
DISPERSION 3 3
MAX ADI EARLY 31 FAIR 19 GEN POOR 24 FAIR
MAX ADI LATE 53 GEN GOOD 7 POOR 35 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-102015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-1) 65 (+1) 83
RH % (24H TREND) 76 (+21) 100 (0) 72
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.23 0.12 0.14
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 970 1070
MIXING HGT(FT-AGL/MSL)3180 3520
TRANSPORT WND (MPH) W 15 W 9
VENT RATE (KT-FT) 41340 28160
CATEGORY DAY 3 3
INVERSION 70F/9AM 8PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 17 GEN POOR 23 FAIR
MAX ADI LATE 54 GEN GOOD 5 VERY POOR 37 FAIR
MAX LVORI EARLY 9 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-102015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-1) 67 (0) 81
RH % (24H TREND) 74 (+18) 100 (+3) 75
WIND 20FT/EARLY(MPH) SW 8 G17 W 6 SW 5
WIND 20FT/LATE(MPH) SW 9 G17 SW 5 W 7
PRECIP AMOUNT 0.25 0.29 0.41
PRECIP DURATION 3 3 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160 1100
MIXING HGT(FT-AGL/MSL)3810 3620
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 53340 32580
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 19 GEN POOR 30 FAIR
MAX ADI LATE 50 GEN GOOD 7 POOR 38 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.
PAZ031-102015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-1) 67 (0) 81
RH % (24H TREND) 73 (+12) 100 (+2) 78
WIND 20FT/EARLY(MPH) SW 7 SW 5 SW 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.20 0.29 0.45
PRECIP DURATION 2 3 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160 1030
MIXING HGT(FT-AGL/MSL)3810 3390
TRANSPORT WND (MPH) SW 16 W 13
VENT RATE (KT-FT) 53340 37290
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 38 FAIR 18 GEN POOR 29 FAIR
MAX ADI LATE 56 GEN GOOD 7 POOR 37 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.
PAZ073-102015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 70 60
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 85 (-1) 67 (+1) 82
RH % (24H TREND) 73 (+14) 100 (+1) 74
WIND 20FT/EARLY(MPH) SW 8 G17 SW 7 SW 6
WIND 20FT/LATE(MPH) SW 11 SW 5 W 7
PRECIP AMOUNT 0.27 0.26 0.31
PRECIP DURATION 3 4 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 910
MIXING HGT(FT-AGL/MSL)3440 2990
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 48160 26910
CATEGORY DAY 3 3
INVERSION 72F/9AM 7PM 71F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 19 GEN POOR 25 FAIR
MAX ADI LATE 44 GEN GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-102015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 70 60
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 85 (+2) 65 (0) 82
RH % (24H TREND) 68 (+12) 100 (+1) 71
WIND 20FT/EARLY(MPH) SW 6 G17 W 6 W 5
WIND 20FT/LATE(MPH) SW 9 G17 SW 5 W 6
PRECIP AMOUNT 0.25 0.20 0.36
PRECIP DURATION 3 3 4
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1040 850
MIXING HGT(FT-AGL/MSL)3410 2800
TRANSPORT WND (MPH) W 17 W 10
VENT RATE (KT-FT) 51150 25200
CATEGORY DAY 4 3
INVERSION 71F/9AM 7PM 69F/9AM
DISPERSION 4 3
MAX ADI EARLY 34 FAIR 19 GEN POOR 27 FAIR
MAX ADI LATE 58 GEN GOOD 9 POOR 39 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-102015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-2) 67 (0) 82
RH % (24H TREND) 72 (+15) 100 (+3) 78
WIND 20FT/EARLY(MPH) SW 7 SW 5 SW 5
WIND 20FT/LATE(MPH) SW 9 LGT/VAR SW 7
PRECIP AMOUNT 0.21 0.39 0.53
PRECIP DURATION 3 4 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 980
MIXING HGT(FT-AGL/MSL)3770 3200
TRANSPORT WND (MPH) W 17 W 9
VENT RATE (KT-FT) 56550 25600
CATEGORY DAY 4 2
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 2
MAX ADI EARLY 30 FAIR 18 GEN POOR 29 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-102015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 70 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (0) 64 (0) 81
RH % (24H TREND) 66 (+6) 100 (+1) 71
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.21 0.33 0.55
PRECIP DURATION 3 3 7
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 850
MIXING HGT(FT-AGL/MSL)3440 2790
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 48160 30690
CATEGORY DAY 3 3
INVERSION 71F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 8 POOR 27 FAIR
MAX ADI LATE 54 GEN GOOD 8 POOR 41 GEN GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-102015-
INDIANA-
INCLUDING THE CITY OF INDIANA
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 40 40 40
TEMP (24H TREND) 83 (0) 65 (+1) 81
RH % (24H TREND) 75 (+17) 100 (+1) 73
WIND 20FT/EARLY(MPH) SW 6 W 5 W 5
WIND 20FT/LATE(MPH) SW 9 LGT/VAR W 6
PRECIP AMOUNT 0.27 0.12 0.14
PRECIP DURATION 5 2 2
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990 1010
MIXING HGT(FT-AGL/MSL)3230 3300
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 45220 29700
CATEGORY DAY 3 3
INVERSION 70F/9AM 7PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 18 GEN POOR 24 FAIR
MAX ADI LATE 51 GEN GOOD 8 POOR 39 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-102015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 70 60
CHANCE OF THUNDER (%) 40 40 40
TEMP (24H TREND) 83 (0) 65 (+1) 79
RH % (24H TREND) 73 (+17) 100 (+1) 73
WIND 20FT/EARLY(MPH) SW 6 W 6 W 5
WIND 20FT/LATE(MPH) SW 9 G17 SW 5 W 6
PRECIP AMOUNT 0.27 0.16 0.16
PRECIP DURATION 4 3 3
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990 1000
MIXING HGT(FT-AGL/MSL)3240 3290
TRANSPORT WND (MPH) W 16 W 10
VENT RATE (KT-FT) 45360 29610
CATEGORY DAY 3 3
INVERSION 71F/9AM 7PM 68F/8AM
DISPERSION 3 3
MAX ADI EARLY 28 FAIR 18 GEN POOR 24 FAIR
MAX ADI LATE 48 GEN GOOD 8 POOR 36 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-102015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 50 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (-3) 67 (0) 82
RH % (24H TREND) 72 (+21) 100 (+3) 72
WIND 20FT/EARLY(MPH) SW 6 W 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 5
PRECIP AMOUNT 0.30 0.21 0.31
PRECIP DURATION 3 2 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 1040
MIXING HGT(FT-AGL/MSL)3720 3420
TRANSPORT WND (MPH) W 17 W 10
VENT RATE (KT-FT) 55800 30780
CATEGORY DAY 4 3
INVERSION 72F/9AM 8PM 69F/8AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 16 GEN POOR 20 GEN POOR
MAX ADI LATE 53 GEN GOOD 7 POOR 35 FAIR
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-102015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-2) 68 (0) 82
RH % (24H TREND) 71 (+20) 100 (+5) 72
WIND 20FT/EARLY(MPH) SW 7 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 LGT/VAR W 6
PRECIP AMOUNT 0.26 0.25 0.39
PRECIP DURATION 3 4 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1200 1160
MIXING HGT(FT-AGL/MSL)3950 3800
TRANSPORT WND (MPH) W 16 W 12
VENT RATE (KT-FT) 55300 38000
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 39 FAIR 18 GEN POOR 28 FAIR
MAX ADI LATE 52 GEN GOOD 7 POOR 38 FAIR
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.
WVZ003-102015-
OHIO-
INCLUDING THE CITY OF WHEELING
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-1) 68 (0) 82
RH % (24H TREND) 74 (+23) 100 (+4) 76
WIND 20FT/EARLY(MPH) SW 7 G17 W 5 SW 5
WIND 20FT/LATE(MPH) SW 9 LGT/VAR W 6
PRECIP AMOUNT 0.26 0.28 0.41
PRECIP DURATION 3 3 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 1110
MIXING HGT(FT-AGL/MSL)3900 3650
TRANSPORT WND (MPH) W 15 W 12
VENT RATE (KT-FT) 50700 36500
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 17 GEN POOR 32 FAIR
MAX ADI LATE 51 GEN GOOD 7 POOR 41 GEN GOOD
MAX LVORI EARLY 6 8 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-102015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 50 70
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 85 (-2) 68 (-1) 83
RH % (24H TREND) 75 (+17) 100 (+4) 78
WIND 20FT/EARLY(MPH) SW 6 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.26 0.29 0.35
PRECIP DURATION 3 2 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1180 990
MIXING HGT(FT-AGL/MSL)3890 3240
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 54460 35640
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 8 POOR 27 FAIR
MAX ADI LATE 55 GEN GOOD 7 POOR 42 GEN GOOD
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.
WVZ012-102015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-2) 68 (0) 81
RH % (24H TREND) 74 (+8) 100 (+2) 81
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.18 0.33 0.34
PRECIP DURATION 3 3 4
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 860
MIXING HGT(FT-AGL/MSL)3980 2840
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 55720 31240
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 8 POOR 24 FAIR
MAX ADI LATE 53 GEN GOOD 6 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-102015-
MARION-
INCLUDING THE CITY OF FAIRMONT
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 80
CHANCE OF THUNDER (%) 50 50 50
TEMP (24H TREND) 84 (-2) 67 (0) 81
RH % (24H TREND) 71 (+6) 100 (+1) 80
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR SW 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.13 0.26 0.34
PRECIP DURATION 2 4 6
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1180 920
MIXING HGT(FT-AGL/MSL)3870 3020
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 50310 33220
CATEGORY DAY 4 3
INVERSION 73F/9AM 7PM 70F/9AM
DISPERSION 4 3
MAX ADI EARLY 32 FAIR 8 POOR 27 FAIR
MAX ADI LATE 58 GEN GOOD 6 VERY POOR 38 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-102015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 84 (-2) 67 (0) 81
RH % (24H TREND) 72 (+10) 100 (+2) 80
WIND 20FT/EARLY(MPH) SW 6 SW 5 SW 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR SW 6
PRECIP AMOUNT 0.14 0.29 0.35
PRECIP DURATION 3 4 7
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130 960
MIXING HGT(FT-AGL/MSL)3710 3160
TRANSPORT WND (MPH) SW 15 W 13
VENT RATE (KT-FT) 48230 34760
CATEGORY DAY 3 3
INVERSION 73F/9AM 7PM 71F/9AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 9 POOR 26 FAIR
MAX ADI LATE 56 GEN GOOD 7 POOR 34 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-102015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (0) 65 (0) 79
RH % (24H TREND) 71 (+8) 100 (+1) 80
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR SW 5
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.13 0.29 0.41
PRECIP DURATION 3 5 7
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1030 890
MIXING HGT(FT-AGL/MSL)3370 2900
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 43810 31900
CATEGORY DAY 3 3
INVERSION 71F/9AM 7PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 8 POOR 24 FAIR
MAX ADI LATE 50 GEN GOOD 8 POOR 32 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-102015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 80 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 85 (+1) 65 (0) 80
RH % (24H TREND) 67 (+7) 100 (+1) 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 5
PRECIP AMOUNT 0.11 0.30 0.42
PRECIP DURATION 2 6 6
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1030 850
MIXING HGT(FT-AGL/MSL)3380 2800
TRANSPORT WND (MPH) W 15 W 15
VENT RATE (KT-FT) 43940 36400
CATEGORY DAY 3 3
INVERSION 72F/9AM 7PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 8 POOR 25 FAIR
MAX ADI LATE 50 GEN GOOD 6 VERY POOR 35 FAIR
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.
WVZ512-102015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 80 70
CHANCE OF THUNDER (%) 50 50 40
TEMP (24H TREND) 83 (+1) 65 (0) 79
RH % (24H TREND) 67 (+2) 100 (+1) 76
WIND 20FT/EARLY(MPH) SW 5 W 5 W 5
WIND 20FT/LATE(MPH) W 7 SW 5 W 6
PRECIP AMOUNT 0.09 0.27 0.42
PRECIP DURATION 2 7 6
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 870
MIXING HGT(FT-AGL/MSL)3440 2860
TRANSPORT WND (MPH) W 16 W 16
VENT RATE (KT-FT) 48160 40040
CATEGORY DAY 3 3
INVERSION 70F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 34 FAIR 9 POOR 28 FAIR
MAX ADI LATE 53 GEN GOOD 9 POOR 42 GEN GOOD
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-102015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 70
CHANCE OF THUNDER (%) 40 40 40
TEMP (24H TREND) 85 (+1) 66 (0) 81
RH % (24H TREND) 61 (+1) 100 (+5) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.09 0.24 0.44
PRECIP DURATION 1 6 5
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140 850
MIXING HGT(FT-AGL/MSL)3750 2790
TRANSPORT WND (MPH) W 15 W 16
VENT RATE (KT-FT) 48750 39060
CATEGORY DAY 3 3
INVERSION 71F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 36 FAIR 8 POOR 27 FAIR
MAX ADI LATE 62 GOOD 7 POOR 44 GEN GOOD
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-102015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
234 AM EDT MON AUG 10 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 70 70
CHANCE OF THUNDER (%) 20 40 40
TEMP (24H TREND) 81 (+1) 61 (-1) 77
RH % (24H TREND) 63 (-1) 100 (+2) 76
WIND 20FT/EARLY(MPH) W 5 G17 W 7 G23 W 6 G24
WIND 20FT/LATE(MPH) W 7 G20 W 6 G24 W 7 G20
PRECIP AMOUNT 0.04 0.14 0.34
PRECIP DURATION 1 4 4
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1060 930
MIXING HGT(FT-AGL/MSL)3490 3050
TRANSPORT WND (MPH) W 18 W 21
VENT RATE (KT-FT) 55840 54900
CATEGORY DAY 4 4
INVERSION 68F/9AM 8PM 65F/8AM
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 24 FAIR 38 FAIR
MAX ADI LATE 63 GOOD 14 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
CL
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