799
FNUS51 KPBZ 070439
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1239 AM EDT THU MAY 7 2026
DISCUSSION
DAYTIME MINIMUM RELATIVE HUMIDITIES WILL GENERALLY REMAIN IN THE
40S AND 50S OVER THE NEXT WEEK, WITH DAYTIME WINDS GUSTING UP TO
15MPH TO 25 MPH, AT TIMES, EACH AFTERNOON. ISOLATED SHOWER
CHANCES ARE FORECAST THURSDAY AND FRIDAY AFTERNOON, BEFORE HIGHER
PROBABILITY WETTING RAIN CHANCES ARRIVE INTO THE WEEKEND.
OHZ039-072030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-2) 40 (-2) 63
RH % (24H TREND) 43 (-6) 81 (0) 50
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 SW 7
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR SW 9
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2140 2350
MIXING HGT(FT-AGL/MSL)7010 7700
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 98570 101590
CATEGORY DAY 5 5
INVERSION 48F/9AM 8PM 46F/8AM
DISPERSION 5 5
MAX ADI EARLY 60 GEN GOOD 29 FAIR 64 GOOD
MAX ADI LATE 85 GOOD 6 VERY POOR 91 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-072030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-1) 39 (-2) 62
RH % (24H TREND) 44 (-5) 81 (+1) 48
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G17 SW 8 G17
WIND 20FT/LATE(MPH) W 9 LGT/VAR SW 10
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2090 2320
MIXING HGT(FT-AGL/MSL)6860 7620
TRANSPORT WND (MPH) W 16 W 21
VENT RATE (KT-FT) 91490 103950
CATEGORY DAY 4 5
INVERSION 48F/9AM 8PM 45F/8AM
DISPERSION 5 5
MAX ADI EARLY 69 GOOD 28 FAIR 60 GEN GOOD
MAX ADI LATE 84 GOOD 7 POOR 100 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-072030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-1) 39 (-2) 62
RH % (24H TREND) 44 (-2) 82 (+1) 48
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 8 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2090 2110
MIXING HGT(FT-AGL/MSL)6850 6910
TRANSPORT WND (MPH) W 15 W 21
VENT RATE (KT-FT) 86260 100160
CATEGORY DAY 4 5
INVERSION 48F/9AM 8PM 45F/8AM
DISPERSION 5 5
MAX ADI EARLY 80 GOOD 27 FAIR 63 GOOD
MAX ADI LATE 82 GOOD 7 POOR 93 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-072030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-2) 40 (-2) 63
RH % (24H TREND) 43 (-7) 82 (0) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR SW 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 2 AM 1 PM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2200 1920
MIXING HGT(FT-AGL/MSL)7230 6290
TRANSPORT WND (MPH) W 20 W 17
VENT RATE (KT-FT) 108080 96130
CATEGORY DAY 5 4
INVERSION 48F/9AM 8PM 46F/8AM
DISPERSION 5 5
MAX ADI EARLY 54 GEN GOOD 15 GEN POOR 64 GOOD
MAX ADI LATE 124 VERY GOOD5 VERY POOR 91 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-072030-
HARRISON-
INCLUDING THE CITY OF CADIZ
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-1) 40 (-3) 63
RH % (24H TREND) 40 (-11) 79 (-3) 46
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G18 SW 7 G17
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR SW 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2180 2340
MIXING HGT(FT-AGL/MSL)7150 7690
TRANSPORT WND (MPH) W 17 W 20
VENT RATE (KT-FT) 102120 107510
CATEGORY DAY 5 5
INVERSION 49F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 71 GOOD 28 FAIR 68 GOOD
MAX ADI LATE 82 GOOD 6 VERY POOR 95 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-072030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-1) 40 (-3) 63
RH % (24H TREND) 40 (-11) 77 (-2) 44
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G17 SW 8 G18
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR W 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2210 2410
MIXING HGT(FT-AGL/MSL)7250 7910
TRANSPORT WND (MPH) W 16 W 21
VENT RATE (KT-FT) 88690 104850
CATEGORY DAY 4 5
INVERSION 49F/9AM 8PM 48F/9AM
DISPERSION 5 5
MAX ADI EARLY 78 GOOD 28 FAIR 66 GOOD
MAX ADI LATE 87 GOOD 6 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-072030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-1) 40 (-3) 64
RH % (24H TREND) 41 (-5) 79 (-4) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 7 G18 LGT/VAR SW 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2230 1750
MIXING HGT(FT-AGL/MSL)7320 5750
TRANSPORT WND (MPH) W 21 W 17
VENT RATE (KT-FT) 120580 83430
CATEGORY DAY 5 4
INVERSION 49F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 63 GOOD 15 GEN POOR 73 GOOD
MAX ADI LATE 159 VERY GOOD4 VERY POOR 82 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-072030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-1) 40 (-3) 65
RH % (24H TREND) 39 (-10) 80 (-2) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 10 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 2250 1880
MIXING HGT(FT-AGL/MSL)7370 6160
TRANSPORT WND (MPH) W 20 W 17
VENT RATE (KT-FT) 120140 99940
CATEGORY DAY 5 4
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 74 GOOD 21 FAIR 69 GOOD
MAX ADI LATE 119 VERY GOOD5 VERY POOR 85 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-072030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-1) 40 (-4) 64
RH % (24H TREND) 39 (-20) 80 (-2) 45
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G19 SW 8 G18
WIND 20FT/LATE(MPH) W 8 G18 LGT/VAR W 10 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 10 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 2230 2040
MIXING HGT(FT-AGL/MSL)7320 6700
TRANSPORT WND (MPH) W 20 W 18
VENT RATE (KT-FT) 108020 109810
CATEGORY DAY 5 5
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 75 GOOD 28 FAIR 63 GOOD
MAX ADI LATE 93 GOOD 6 VERY POOR 86 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-072030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (0) 40 (-4) 66
RH % (24H TREND) 38 (-16) 82 (-2) 45
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G18 SW 5
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR SW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2270 1600
MIXING HGT(FT-AGL/MSL)7440 5270
TRANSPORT WND (MPH) W 20 W 17
VENT RATE (KT-FT) 119260 94470
CATEGORY DAY 5 4
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 67 GOOD 26 FAIR 63 GOOD
MAX ADI LATE 152 VERY GOOD5 VERY POOR 73 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-072030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (0) 40 (-6) 66
RH % (24H TREND) 37 (-30) 80 (-7) 43
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G19 SW 5 G17
WIND 20FT/LATE(MPH) W 7 G18 LGT/VAR SW 8 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2270 1620
MIXING HGT(FT-AGL/MSL)7460 5330
TRANSPORT WND (MPH) W 20 W 17
VENT RATE (KT-FT) 112240 101010
CATEGORY DAY 5 4
INVERSION 51F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 72 GOOD 14 GEN POOR 65 GOOD
MAX ADI LATE 153 VERY GOOD5 VERY POOR 75 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-072030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-2) 37 (-3) 60
RH % (24H TREND) 47 (-3) 91 (+6) 50
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1910 2150
MIXING HGT(FT-AGL/MSL)6280 7040
TRANSPORT WND (MPH) W 17 W 20
VENT RATE (KT-FT) 97060 111640
CATEGORY DAY 4 5
INVERSION 47F/9AM 8PM 43F/8AM
DISPERSION 5 5
MAX ADI EARLY 86 GOOD 23 FAIR 64 GOOD
MAX ADI LATE 78 GOOD 5 VERY POOR 94 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.
PAZ008-072030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-2) 36 (-3) 59
RH % (24H TREND) 46 (-7) 92 (+5) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1960 2340
MIXING HGT(FT-AGL/MSL)6420 7670
TRANSPORT WND (MPH) W 18 W 21
VENT RATE (KT-FT) 114170 130870
CATEGORY DAY 4 5
INVERSION 46F/9AM 8PM 42F/8AM
DISPERSION 5 5
MAX ADI EARLY 99 GOOD 15 GEN POOR 54 GEN GOOD
MAX ADI LATE 86 GOOD 4 VERY POOR 96 GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-072030-
FOREST-
INCLUDING THE CITY OF TIONESTA
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-2) 35 (-3) 58
RH % (24H TREND) 42 (-13) 92 (+6) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1940 2380
MIXING HGT(FT-AGL/MSL)6350 7810
TRANSPORT WND (MPH) W 20 W 21
VENT RATE (KT-FT) 118080 128790
CATEGORY DAY 5 5
INVERSION 45F/9AM 8PM 40F/8AM
DISPERSION 5 5
MAX ADI EARLY 115 VERY GOOD10 POOR 39 FAIR
MAX ADI LATE 90 GOOD 4 VERY POOR 158 VERY GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-072030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-1) 38 (-2) 62
RH % (24H TREND) 45 (-4) 88 (+3) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.02 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2060 2040
MIXING HGT(FT-AGL/MSL)6740 6680
TRANSPORT WND (MPH) W 16 W 21
VENT RATE (KT-FT) 92900 96950
CATEGORY DAY 4 5
INVERSION 48F/9AM 8PM 44F/8AM
DISPERSION 5 5
MAX ADI EARLY 79 GOOD 24 FAIR 67 GOOD
MAX ADI LATE 77 GOOD 4 VERY POOR 95 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-072030-
BUTLER-
INCLUDING THE CITY OF BUTLER
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (-1) 37 (-3) 61
RH % (24H TREND) 46 (-12) 93 (+6) 51
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2070 2040
MIXING HGT(FT-AGL/MSL)6780 6700
TRANSPORT WND (MPH) W 16 W 20
VENT RATE (KT-FT) 99900 116970
CATEGORY DAY 4 5
INVERSION 47F/9AM 8PM 43F/8AM
DISPERSION 5 5
MAX ADI EARLY 108 VERY GOOD25 FAIR 58 GEN GOOD
MAX ADI LATE 79 GOOD 4 VERY POOR 90 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.
PAZ015-072030-
CLARION-
INCLUDING THE CITY OF CLARION
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-2) 36 (-4) 59
RH % (24H TREND) 45 (-13) 91 (+4) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2030 2150
MIXING HGT(FT-AGL/MSL)6670 7060
TRANSPORT WND (MPH) W 18 W 20
VENT RATE (KT-FT) 115040 124540
CATEGORY DAY 5 5
INVERSION 46F/9AM 8PM 42F/8AM
DISPERSION 5 5
MAX ADI EARLY 122 VERY GOOD22 FAIR 46 GEN GOOD
MAX ADI LATE 85 GOOD 4 VERY POOR 96 GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-072030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-3) 35 (-5) 58
RH % (24H TREND) 42 (-18) 88 (+6) 49
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 7 AM
PRECIP END 9 PM 2 PM
MIXING HGT(M-AGL/MSL) 2030 2040
MIXING HGT(FT-AGL/MSL)6640 6710
TRANSPORT WND (MPH) W 17 W 21
VENT RATE (KT-FT) 113340 119120
CATEGORY DAY 5 5
INVERSION 45F/9AM 8PM 41F/8AM
DISPERSION 5 5
MAX ADI EARLY 122 VERY GOOD22 FAIR 42 GEN GOOD
MAX ADI LATE 88 GOOD 4 VERY POOR 92 GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-072030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (0) 40 (-3) 62
RH % (24H TREND) 42 (-8) 81 (0) 45
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2170 2300
MIXING HGT(FT-AGL/MSL)7130 7540
TRANSPORT WND (MPH) W 16 W 22
VENT RATE (KT-FT) 96250 98890
CATEGORY DAY 4 5
INVERSION 49F/9AM 8PM 45F/8AM
DISPERSION 5 5
MAX ADI EARLY 78 GOOD 26 FAIR 79 GOOD
MAX ADI LATE 83 GOOD 4 VERY POOR 92 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-072030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (0) 39 (-5) 63
RH % (24H TREND) 41 (-22) 84 (+2) 45
WIND 20FT/EARLY(MPH) LGT/VAR NW 7 SW 7 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 12
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2170 2220
MIXING HGT(FT-AGL/MSL)7120 7270
TRANSPORT WND (MPH) W 16 W 20
VENT RATE (KT-FT) 105260 102290
CATEGORY DAY 4 5
INVERSION 49F/9AM 8PM 46F/8AM
DISPERSION 5 5
MAX ADI EARLY 96 GOOD 26 FAIR 57 GEN GOOD
MAX ADI LATE 76 GOOD 5 VERY POOR 72 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-072030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (0) 36 (-6) 61
RH % (24H TREND) 46 (-19) 92 (+5) 51
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 5
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2070 1950
MIXING HGT(FT-AGL/MSL)6780 6390
TRANSPORT WND (MPH) W 16 W 21
VENT RATE (KT-FT) 99920 113320
CATEGORY DAY 4 5
INVERSION 47F/9AM 8PM 46F/9AM
DISPERSION 5 5
MAX ADI EARLY 112 VERY GOOD22 FAIR 53 GEN GOOD
MAX ADI LATE 79 GOOD 4 VERY POOR 85 GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-072030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (0) 39 (-5) 63
RH % (24H TREND) 41 (-26) 78 (-4) 46
WIND 20FT/EARLY(MPH) LGT/VAR W 7 G17 SW 8 G18
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 11 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2210 2170
MIXING HGT(FT-AGL/MSL)7250 7130
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 106350 112590
CATEGORY DAY 5 5
INVERSION 49F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 85 GOOD 28 FAIR 52 GEN GOOD
MAX ADI LATE 81 GOOD 6 VERY POOR 71 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-072030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (0) 40 (-6) 63
RH % (24H TREND) 41 (-41) 79 (-14) 47
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G17 SW 6 G17
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2270 2020
MIXING HGT(FT-AGL/MSL)7440 6620
TRANSPORT WND (MPH) W 16 W 20
VENT RATE (KT-FT) 92810 109240
CATEGORY DAY 4 5
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 79 GOOD 28 FAIR 56 GEN GOOD
MAX ADI LATE 93 GOOD 5 VERY POOR 89 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-072030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-1) 38 (-6) 62
RH % (24H TREND) 42 (-32) 88 (+2) 48
WIND 20FT/EARLY(MPH) LGT/VAR W 6 SW 7 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR SW 12 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2070 1990
MIXING HGT(FT-AGL/MSL)6800 6540
TRANSPORT WND (MPH) W 15 W 18
VENT RATE (KT-FT) 98810 101140
CATEGORY DAY 4 4
INVERSION 46F/8AM 8PM 48F/9AM
DISPERSION 5 5
MAX ADI EARLY 87 GOOD 23 FAIR 48 GEN GOOD
MAX ADI LATE 106 VERY GOOD5 VERY POOR 69 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-072030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-1) 37 (-8) 62
RH % (24H TREND) 38 (-42) 81 (-12) 45
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 SW 6 G20
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 11 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 1950 2120
MIXING HGT(FT-AGL/MSL)6410 6960
TRANSPORT WND (MPH) W 17 W 21
VENT RATE (KT-FT) 96560 118450
CATEGORY DAY 4 5
INVERSION 45F/8AM 8PM 44F/8AM
DISPERSION 5 5
MAX ADI EARLY 96 GOOD 24 FAIR 51 GEN GOOD
MAX ADI LATE 113 VERY GOOD5 VERY POOR 86 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-072030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-2) 39 (-7) 63
RH % (24H TREND) 40 (-33) 82 (-5) 47
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 7 G17
WIND 20FT/LATE(MPH) W 7 LGT/VAR SW 10 G18
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2160 1890
MIXING HGT(FT-AGL/MSL)7090 6190
TRANSPORT WND (MPH) W 17 W 20
VENT RATE (KT-FT) 99290 99210
CATEGORY DAY 5 5
INVERSION 47F/8AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 76 GOOD 24 FAIR 48 GEN GOOD
MAX ADI LATE 91 GOOD 4 VERY POOR 86 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-072030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-2) 37 (-8) 61
RH % (24H TREND) 40 (-34) 79 (-17) 47
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6 G18
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 9 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2090 1890
MIXING HGT(FT-AGL/MSL)6860 6210
TRANSPORT WND (MPH) W 17 W 20
VENT RATE (KT-FT) 94640 98100
CATEGORY DAY 5 5
INVERSION 45F/8AM 8PM 43F/8AM
DISPERSION 5 5
MAX ADI EARLY 81 GOOD 15 GEN POOR 58 GEN GOOD
MAX ADI LATE 105 VERY GOOD4 VERY POOR 93 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-072030-
INDIANA-
INCLUDING THE CITY OF INDIANA
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-2) 37 (-6) 61
RH % (24H TREND) 43 (-30) 90 (+4) 49
WIND 20FT/EARLY(MPH) LGT/VAR W 5 SW 6 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 10 G19
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 7 AM
PRECIP END 9 PM 3 PM
MIXING HGT(M-AGL/MSL) 2040 1890
MIXING HGT(FT-AGL/MSL)6700 6200
TRANSPORT WND (MPH) W 17 W 21
VENT RATE (KT-FT) 107900 118890
CATEGORY DAY 5 5
INVERSION 47F/9AM 8PM 46F/9AM
DISPERSION 5 5
MAX ADI EARLY 109 VERY GOOD22 FAIR 51 GEN GOOD
MAX ADI LATE 84 GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-072030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-2) 38 (-6) 61
RH % (24H TREND) 41 (-38) 86 (-3) 47
WIND 20FT/EARLY(MPH) LGT/VAR NW 5 SW 6 G18
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 11 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 1990 1930
MIXING HGT(FT-AGL/MSL)6540 6330
TRANSPORT WND (MPH) W 16 W 20
VENT RATE (KT-FT) 109330 112410
CATEGORY DAY 4 5
INVERSION 45F/8AM 8PM 46F/9AM
DISPERSION 5 5
MAX ADI EARLY 108 VERY GOOD21 FAIR 55 GEN GOOD
MAX ADI LATE 119 VERY GOOD5 VERY POOR 72 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-072030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (0) 41 (-2) 62
RH % (24H TREND) 40 (-11) 76 (-3) 44
WIND 20FT/EARLY(MPH) LGT/VAR W 6 SW 6 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2180 2390
MIXING HGT(FT-AGL/MSL)7150 7830
TRANSPORT WND (MPH) W 16 W 22
VENT RATE (KT-FT) 88700 100420
CATEGORY DAY 4 5
INVERSION 49F/9AM 8PM 46F/8AM
DISPERSION 5 5
MAX ADI EARLY 70 GOOD 28 FAIR 71 GOOD
MAX ADI LATE 88 GOOD 6 VERY POOR 96 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-072030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (0) 41 (-4) 63
RH % (24H TREND) 38 (-15) 75 (-3) 43
WIND 20FT/EARLY(MPH) LGT/VAR W 7 G17 SW 7 G17
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 2200 2440
MIXING HGT(FT-AGL/MSL)7230 8010
TRANSPORT WND (MPH) W 18 W 21
VENT RATE (KT-FT) 102030 100550
CATEGORY DAY 5 5
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 96 GOOD 28 FAIR 73 GOOD
MAX ADI LATE 88 GOOD 5 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-072030-
OHIO-
INCLUDING THE CITY OF WHEELING
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (0) 40 (-5) 63
RH % (24H TREND) 40 (-20) 77 (-4) 45
WIND 20FT/EARLY(MPH) LGT/VAR W 7 G17 SW 8 G18
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 10 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 11 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 2200 2100
MIXING HGT(FT-AGL/MSL)7210 6890
TRANSPORT WND (MPH) W 18 W 20
VENT RATE (KT-FT) 99320 107750
CATEGORY DAY 5 5
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 83 GOOD 28 FAIR 65 GOOD
MAX ADI LATE 88 GOOD 5 VERY POOR 90 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-072030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (+1) 41 (-5) 65
RH % (24H TREND) 41 (-32) 76 (-9) 47
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G18 SW 6 G17
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2250 1920
MIXING HGT(FT-AGL/MSL)7390 6290
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 102440 109220
CATEGORY DAY 5 4
INVERSION 50F/9AM 8PM 49F/9AM
DISPERSION 5 5
MAX ADI EARLY 73 GOOD 28 FAIR 67 GOOD
MAX ADI LATE 93 GOOD 5 VERY POOR 84 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-072030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (+1) 40 (-7) 64
RH % (24H TREND) 42 (-39) 78 (-15) 48
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G18 SW 5 G17
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 8 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2270 1570
MIXING HGT(FT-AGL/MSL)7430 5160
TRANSPORT WND (MPH) W 17 W 18
VENT RATE (KT-FT) 94930 106000
CATEGORY DAY 5 4
INVERSION 47F/8AM 8PM 48F/9AM
DISPERSION 5 5
MAX ADI EARLY 69 GOOD 28 FAIR 63 GOOD
MAX ADI LATE 102 VERY GOOD4 VERY POOR 94 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-072030-
MARION-
INCLUDING THE CITY OF FAIRMONT
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (0) 38 (-8) 63
RH % (24H TREND) 41 (-42) 83 (-12) 46
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 SW 5
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2300 1730
MIXING HGT(FT-AGL/MSL)7550 5680
TRANSPORT WND (MPH) W 18 W 22
VENT RATE (KT-FT) 95650 122760
CATEGORY DAY 5 5
INVERSION 47F/8AM 9PM 48F/9AM
DISPERSION 5 5
MAX ADI EARLY 62 GOOD 27 FAIR 62 GOOD
MAX ADI LATE 99 GOOD 4 VERY POOR 92 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-072030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-1) 39 (-8) 63
RH % (24H TREND) 40 (-40) 80 (-16) 46
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 SW 6 G17
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2300 1850
MIXING HGT(FT-AGL/MSL)7550 6050
TRANSPORT WND (MPH) W 16 W 21
VENT RATE (KT-FT) 92790 113580
CATEGORY DAY 5 5
INVERSION 47F/8AM 8PM 48F/9AM
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 26 FAIR 64 GOOD
MAX ADI LATE 90 GOOD 4 VERY POOR 92 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-072030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (-1) 37 (-8) 60
RH % (24H TREND) 40 (-36) 82 (-18) 47
WIND 20FT/EARLY(MPH) LGT/VAR NW 5 SW 5 G17
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 8 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2180 1930
MIXING HGT(FT-AGL/MSL)7160 6320
TRANSPORT WND (MPH) W 17 W 21
VENT RATE (KT-FT) 90870 106390
CATEGORY DAY 5 5
INVERSION 45F/8AM 8PM 46F/9AM
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 25 FAIR 64 GOOD
MAX ADI LATE 87 GOOD 4 VERY POOR 93 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-072030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-2) 37 (-9) 61
RH % (24H TREND) 40 (-36) 82 (-17) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 8 G18
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2140 1950
MIXING HGT(FT-AGL/MSL)7030 6390
TRANSPORT WND (MPH) W 18 W 21
VENT RATE (KT-FT) 98150 112630
CATEGORY DAY 5 5
INVERSION 45F/8AM 8PM 47F/9AM
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 25 FAIR 71 GOOD
MAX ADI LATE 87 GOOD 4 VERY POOR 96 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-072030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 58 (-3) 36 (-9) 60
RH % (24H TREND) 41 (-30) 82 (-17) 47
WIND 20FT/EARLY(MPH) LGT/VAR W 6 SW 6 G20
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 9 G21
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2020 1940
MIXING HGT(FT-AGL/MSL)6620 6360
TRANSPORT WND (MPH) W 18 W 23
VENT RATE (KT-FT) 98420 113380
CATEGORY DAY 5 5
INVERSION 44F/8AM 8PM 42F/8AM
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 26 FAIR 77 GOOD
MAX ADI LATE 91 GOOD 5 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-072030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-3) 36 (-10) 62
RH % (24H TREND) 40 (-31) 83 (-14) 43
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) NW 6 G17 LGT/VAR W 9 G20
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1960 1840
MIXING HGT(FT-AGL/MSL)6420 6040
TRANSPORT WND (MPH) W 20 W 22
VENT RATE (KT-FT) 93730 121410
CATEGORY DAY 5 5
INVERSION 45F/8AM 8PM 43F/8AM
DISPERSION 5 5
MAX ADI EARLY 57 GEN GOOD 27 FAIR 103 VERY GOOD
MAX ADI LATE 113 VERY GOOD4 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-072030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1239 AM EDT THU MAY 7 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 56 (-4) 33 (-11) 59
RH % (24H TREND) 46 (-17) 82 (-17) 48
WIND 20FT/EARLY(MPH) LGT/VAR NW 8 G23 W 7 G28
WIND 20FT/LATE(MPH) NW 8 G22 LGT/VAR W 11 G28
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1770 1960
MIXING HGT(FT-AGL/MSL)5800 6420
TRANSPORT WND (MPH) W 21 W 25
VENT RATE (KT-FT) 109210 133680
CATEGORY DAY 4 5
INVERSION 42F/6AM 11PM 41F/8AM
DISPERSION 5 5
MAX ADI EARLY 57 GEN GOOD 29 FAIR 110 VERY GOOD
MAX ADI LATE 129 VERY GOOD7 POOR 118 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN
THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
SOUTHWEST WINDS 10 TO 15 MPH.
MILCAREK
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