123
FNUS51 KPBZ 120640
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
240 AM EDT WED AUG 12 2026
DISCUSSION
A WET PATTERN WILL CONTINUE THROUGH THURSDAY, WITH AT LEAST
SCATTERED SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY WETTING
RAINFALL. FIRE WEATHER CONCERNS ARE NIL.
OHZ039-122015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 40
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 81 (+7) 65 (+2) 82
RH % (24H TREND) 72 (-9) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.01 0.09
PRECIP DURATION 1 2 1
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL)3840
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 30720
CATEGORY DAY 3
INVERSION 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 8 POOR 16 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 31 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-122015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 40
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 80 (+5) 65 (+2) 82
RH % (24H TREND) 72 (-5) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.02 0.07
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1250
MIXING HGT(FT-AGL/MSL)4100
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32800
CATEGORY DAY 3
INVERSION 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 29 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-122015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 80 (+4) 65 (+2) 82
RH % (24H TREND) 71 (-8) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.03
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL)4140
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 37260
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 37 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-122015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 50
CHANCE OF THUNDER (%) 20 30 40
TEMP (24H TREND) 81 (+7) 65 (+3) 82
RH % (24H TREND) 76 (-9) 100 (0) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.08 0.12
PRECIP DURATION 1 2 1
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1180
MIXING HGT(FT-AGL/MSL)3870
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 27090
CATEGORY DAY 3
INVERSION 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 8 POOR 15 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 33 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-122015-
HARRISON-
INCLUDING THE CITY OF CADIZ
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 81 (+7) 65 (+2) 82
RH % (24H TREND) 73 (-8) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.02 0.10
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1220
MIXING HGT(FT-AGL/MSL)4010
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32080
CATEGORY DAY 3
INVERSION 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 16 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 33 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-122015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 81 (+6) 65 (+1) 82
RH % (24H TREND) 70 (-7) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.08
PRECIP DURATION 1 2 1
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1320
MIXING HGT(FT-AGL/MSL)4330
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 38970
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 15 GEN POOR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 32 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-122015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 40
CHANCE OF THUNDER (%) 20 30 40
TEMP (24H TREND) 81 (+8) 66 (+3) 82
RH % (24H TREND) 77 (-11) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.10 0.15
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM CONTINUING 7 AM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1100
MIXING HGT(FT-AGL/MSL)3620
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 25340
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 29 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-122015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 40
CHANCE OF THUNDER (%) 20 30 40
TEMP (24H TREND) 81 (+8) 66 (+3) 82
RH % (24H TREND) 74 (-13) 100 (0) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.09 0.14
PRECIP DURATION 0 1 1
PRECIP BEGIN 2 PM CONTINUING 7 AM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL)3970
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 27790
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 8 POOR 15 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-122015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 60
CHANCE OF THUNDER (%) 20 30 30
TEMP (24H TREND) 81 (+8) 66 (+2) 82
RH % (24H TREND) 73 (-11) 100 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.03 0.14
PRECIP DURATION 0 1 2
PRECIP BEGIN 2 PM CONTINUING 7 AM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1280
MIXING HGT(FT-AGL/MSL)4180
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33440
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 29 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-122015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 30 40
TEMP (24H TREND) 81 (+9) 66 (+3) 82
RH % (24H TREND) 76 (-11) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.11
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM 8 AM
PRECIP END 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1100
MIXING HGT(FT-AGL/MSL)3600
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 25200
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 7 POOR 15 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 30 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-122015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 81 (+8) 67 (+2) 82
RH % (24H TREND) 76 (-9) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.13
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM 10 AM
PRECIP END 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL)3980
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 31840
CATEGORY DAY 3
INVERSION 66F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 7 POOR 14 GEN POOR
MAX ADI LATE 36 FAIR 4 VERY POOR 28 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-122015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 50 20
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 81 (+4) 64 (0) 82
RH % (24H TREND) 68 (-9) 100 (0) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.09 0.02
PRECIP DURATION 1 1 0
PRECIP BEGIN 3 PM CONTINUING 7 AM
PRECIP END CONTINUING 4 AM 11 AM
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL)4220
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33760
CATEGORY DAY 3
INVERSION 71F/10AM 8PM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 6 VERY POOR 13 GEN POOR
MAX ADI LATE 39 FAIR 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-122015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 81 (+8) 62 (-1) 81
RH % (24H TREND) 70 (-14) 100 (0) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.11 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL)4020
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32160
CATEGORY DAY 3
INVERSION 71F/10AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 5 VERY POOR 21 FAIR
MAX ADI LATE 40 FAIR 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-122015-
FOREST-
INCLUDING THE CITY OF TIONESTA
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 50 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 80 (+6) 61 (-2) 81
RH % (24H TREND) 63 (-16) 100 (0) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.10 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1350
MIXING HGT(FT-AGL/MSL)4430
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 39870
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 23 FAIR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-122015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 82 (+6) 64 (+1) 83
RH % (24H TREND) 69 (-11) 100 (0) 63
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 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 1220
MIXING HGT(FT-AGL/MSL)4010
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32080
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 21 FAIR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-122015-
BUTLER-
INCLUDING THE CITY OF BUTLER
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 81 (+6) 63 (0) 82
RH % (24H TREND) 71 (-11) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(M-AGL/MSL) 1250
MIXING HGT(FT-AGL/MSL)4110
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32880
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 39 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-122015-
CLARION-
INCLUDING THE CITY OF CLARION
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 80 (+7) 63 (0) 81
RH % (24H TREND) 68 (-16) 100 (0) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(M-AGL/MSL) 1270
MIXING HGT(FT-AGL/MSL)4170
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33360
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-122015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 79 (+7) 62 (-1) 80
RH % (24H TREND) 68 (-15) 100 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(M-AGL/MSL) 1350
MIXING HGT(FT-AGL/MSL)4430
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 39870
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 23 FAIR
MAX ADI LATE 36 FAIR 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-122015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 40
CHANCE OF THUNDER (%) 30 20 30
TEMP (24H TREND) 81 (+5) 65 (+2) 83
RH % (24H TREND) 69 (-10) 100 (0) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.04
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 2 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1270
MIXING HGT(FT-AGL/MSL)4180
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33440
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 7 POOR 18 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 37 FAIR
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-122015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 82 (+6) 66 (+2) 83
RH % (24H TREND) 71 (-5) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1410
MIXING HGT(FT-AGL/MSL)4610
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 36880
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 39 FAIR 5 VERY POOR 31 FAIR
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-122015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 40
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 81 (+6) 64 (0) 83
RH % (24H TREND) 71 (-12) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.03
PRECIP DURATION 3 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL)4020
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32160
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 16 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 40 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-122015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 80 (+6) 65 (+1) 81
RH % (24H TREND) 73 (-7) 100 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.03 0.08
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1330
MIXING HGT(FT-AGL/MSL)4350
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 34800
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 7 POOR 18 GEN POOR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 29 FAIR
MAX LVORI EARLY 9 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-122015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 80 (+8) 66 (+1) 81
RH % (24H TREND) 75 (-12) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.13
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM 11 AM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL)4130
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33040
CATEGORY DAY 3
INVERSION 66F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 7 POOR 18 GEN POOR
MAX ADI LATE 40 FAIR 4 VERY POOR 32 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.
PAZ073-122015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 50
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 81 (+6) 65 (+1) 82
RH % (24H TREND) 72 (-8) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.07 0.06
PRECIP DURATION 4 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1250
MIXING HGT(FT-AGL/MSL)4090
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32720
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 14 GEN POOR 18 GEN POOR
MAX ADI LATE 38 FAIR 6 VERY POOR 33 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.
PAZ074-122015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 70 50
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 82 (+10) 63 (0) 82
RH % (24H TREND) 66 (-17) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.08 0.06
PRECIP DURATION 4 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1100
MIXING HGT(FT-AGL/MSL)3610
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 32490
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 7 POOR 19 GEN POOR
MAX ADI LATE 38 FAIR 6 VERY POOR 37 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.
PAZ075-122015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 81 (+8) 65 (0) 81
RH % (24H TREND) 73 (-4) 100 (0) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.05 0.12
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL)4020
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32160
CATEGORY DAY 3
INVERSION 66F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 21 FAIR 6 VERY POOR 20 GEN POOR
MAX ADI LATE 38 FAIR 5 VERY POOR 34 FAIR
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.
PAZ076-122015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 70
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 80 (+10) 63 (0) 81
RH % (24H TREND) 66 (-19) 100 (0) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.12
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1100
MIXING HGT(FT-AGL/MSL)3620
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 32580
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 7 POOR 21 FAIR
MAX ADI LATE 37 FAIR 6 VERY POOR 37 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.
PAZ077-122015-
INDIANA-
INCLUDING THE CITY OF INDIANA
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 60 40
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 81 (+8) 63 (-1) 82
RH % (24H TREND) 71 (-11) 100 (0) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.03
PRECIP DURATION 3 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL)4020
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 32160
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 39 FAIR 5 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-122015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 70 40
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 79 (+6) 63 (0) 81
RH % (24H TREND) 70 (-11) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.10 0.03
PRECIP DURATION 5 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140
MIXING HGT(FT-AGL/MSL)3760
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 30080
CATEGORY DAY 3
INVERSION 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 36 FAIR 6 VERY POOR 39 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.
WVZ001-122015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 30 20 30
TEMP (24H TREND) 81 (+6) 66 (+1) 82
RH % (24H TREND) 71 (-8) 100 (+1) 67
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 0.06
PRECIP DURATION 0 2 1
PRECIP BEGIN 3 PM CONTINUING 2 PM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL)4230
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33840
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 18 GEN POOR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 34 FAIR
MAX LVORI EARLY 8 8 9
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-122015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 30 20 30
TEMP (24H TREND) 81 (+7) 66 (+2) 83
RH % (24H TREND) 70 (-8) 100 (0) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.09
PRECIP DURATION 1 2 1
PRECIP BEGIN 2 PM CONTINUING 1 PM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1360
MIXING HGT(FT-AGL/MSL)4450
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 35600
CATEGORY DAY 3
INVERSION 68F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 8 POOR 16 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 29 FAIR
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-122015-
OHIO-
INCLUDING THE CITY OF WHEELING
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 50
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 81 (+8) 66 (+2) 82
RH % (24H TREND) 73 (-8) 100 (0) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 0 1 1
PRECIP BEGIN 2 PM CONTINUING 1 PM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1340
MIXING HGT(FT-AGL/MSL)4410
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 35280
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 16 GEN POOR 8 POOR 16 GEN POOR
MAX ADI LATE 40 FAIR 5 VERY POOR 33 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-122015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 81 (+9) 67 (+3) 83
RH % (24H TREND) 77 (-11) 100 (0) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.14
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL)4240
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 33920
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 7 POOR 16 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-122015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 80 (+10) 66 (+1) 81
RH % (24H TREND) 81 (-9) 100 (0) 81
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.16
PRECIP DURATION 1 3
PRECIP BEGIN 6 PM 7 AM
PRECIP END 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL)3980
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 31840
CATEGORY DAY 3
INVERSION 66F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 14 GEN POOR
MAX ADI LATE 40 FAIR 4 VERY POOR 28 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-122015-
MARION-
INCLUDING THE CITY OF FAIRMONT
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 80 (+10) 65 (0) 80
RH % (24H TREND) 79 (-11) 100 (0) 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.19
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM 10 AM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1150
MIXING HGT(FT-AGL/MSL)3780
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 30240
CATEGORY DAY 3
INVERSION 67F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 16 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 29 FAIR
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-122015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 80 (+10) 66 (+1) 81
RH % (24H TREND) 76 (-15) 100 (0) 78
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 0.18
PRECIP DURATION 1 2
PRECIP BEGIN 6 PM 10 AM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1180
MIXING HGT(FT-AGL/MSL)3880
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 31040
CATEGORY DAY 3
INVERSION 67F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 39 FAIR 5 VERY POOR 31 FAIR
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.
WVZ510-122015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 79 (+11) 64 (+1) 78
RH % (24H TREND) 75 (-18) 100 (0) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.21
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1110
MIXING HGT(FT-AGL/MSL)3650
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 32850
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 35 FAIR 5 VERY POOR 30 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.
WVZ511-122015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 80 (+11) 64 (+1) 81
RH % (24H TREND) 70 (-21) 100 (0) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.20
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1070
MIXING HGT(FT-AGL/MSL)3500
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 31500
CATEGORY DAY 3
INVERSION 65F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 38 FAIR 4 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.
WVZ512-122015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70
CHANCE OF THUNDER (%) 0 30 30
TEMP (24H TREND) 78 (+10) 63 (+1) 79
RH % (24H TREND) 71 (-20) 100 (0) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.03 0.18
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1000
MIXING HGT(FT-AGL/MSL)3290
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 32900
CATEGORY DAY 3
INVERSION 63F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 21 FAIR 7 POOR 20 GEN POOR
MAX ADI LATE 42 GEN GOOD 6 VERY POOR 37 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.
WVZ513-122015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 80
CHANCE OF THUNDER (%) 30 30 30
TEMP (24H TREND) 80 (+9) 65 (+3) 81
RH % (24H TREND) 68 (-15) 100 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.05 0.17
PRECIP DURATION 1 2 2
PRECIP BEGIN 3 PM CONTINUING 10 AM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 990
MIXING HGT(FT-AGL/MSL)3240
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 32400
CATEGORY DAY 3
INVERSION 62F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 7 POOR 18 GEN POOR
MAX ADI LATE 46 GEN GOOD 4 VERY POOR 41 GEN GOOD
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.
WVZ514-122015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
240 AM EDT WED AUG 12 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 70
CHANCE OF THUNDER (%) 20 20 30
TEMP (24H TREND) 77 (+10) 60 (+1) 77
RH % (24H TREND) 71 (-9) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 5
PRECIP AMOUNT 0.01 0.01 0.08
PRECIP DURATION 0 1 2
PRECIP BEGIN 3 PM CONTINUING 10 AM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1070
MIXING HGT(FT-AGL/MSL)3500
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 42000
CATEGORY DAY 3
INVERSION 61F/8AM 8PM
DISPERSION 3
MAX ADI EARLY 24 FAIR 9 POOR 25 FAIR
MAX ADI LATE 48 GEN GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 7 8 7
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. PATCHY FOG THROUGH THE NIGHT. SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
80S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 80. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. PATCHY FOG. LOWS AROUND 60. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
CL
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