377
FNUS51 KPBZ 230406
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1206 AM EDT THU JUL 23 2026
DISCUSSION
QUIET AND DRY WEATHER IS EXPECTED TODAY INTO SATURDAY UNDER HIGH
PRESSURE. MINRH VALUES WILL LIKELY RANGE FROM THE LOW-50S TO
LOW-40S TODAY WITH MOSTLY CLEAR CONDITIONS. WINDS WILL PREVAIL
FROM THE NORTH. FIRE WEATHER POTENTIAL REMAINS LOW THROUGHOUT THE
WEEK.
FORECASTER: HEFFERAN
OHZ039-232015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 53 (0) 79
RH % (24H TREND) 43 (-12) 92 (-6) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1690
MIXING HGT(FT-AGL/MSL)6150 5540
TRANSPORT WND (MPH) NE 6 SE 8
VENT RATE (KT-FT) 30750 38780
CATEGORY DAY 3 3
INVERSION 66F/10AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 3 VERY POOR 36 FAIR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-232015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 52 (-1) 79
RH % (24H TREND) 43 (-13) 93 (-5) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1740
MIXING HGT(FT-AGL/MSL)6180 5710
TRANSPORT WND (MPH) N 5 SE 8
VENT RATE (KT-FT) 24720 39970
CATEGORY DAY 2 3
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 2 3
MAX ADI EARLY 25 FAIR 3 VERY POOR 37 FAIR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 4 5
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-232015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+4) 51 (-1) 79
RH % (24H TREND) 43 (-13) 93 (-1) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1890 1810
MIXING HGT(FT-AGL/MSL)6220 5950
TRANSPORT WND (MPH) N 5 SE 9
VENT RATE (KT-FT) 24880 47600
CATEGORY DAY 2 3
INVERSION 60F/9AM 8PM 61F/9AM
DISPERSION 2 3
MAX ADI EARLY 30 FAIR 3 VERY POOR 34 FAIR
MAX ADI LATE 38 FAIR 4 VERY POOR 62 GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-232015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 52 (-1) 79
RH % (24H TREND) 45 (-11) 94 (-5) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1840 1720
MIXING HGT(FT-AGL/MSL)6050 5640
TRANSPORT WND (MPH) NE 6 SE 7
VENT RATE (KT-FT) 30250 33840
CATEGORY DAY 3 3
INVERSION 66F/10AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 28 FAIR 4 VERY POOR 32 FAIR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 9 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-232015-
HARRISON-
INCLUDING THE CITY OF CADIZ
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+5) 53 (-1) 80
RH % (24H TREND) 42 (-10) 92 (-8) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1840 1500
MIXING HGT(FT-AGL/MSL)6030 4930
TRANSPORT WND (MPH) NE 6 SE 8
VENT RATE (KT-FT) 30150 34510
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 34 FAIR 4 VERY POOR 27 FAIR
MAX ADI LATE 42 GEN GOOD 5 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 9 4 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-232015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 53 (-1) 80
RH % (24H TREND) 40 (-12) 91 (-5) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1580
MIXING HGT(FT-AGL/MSL)6160 5170
TRANSPORT WND (MPH) NE 6 SE 8
VENT RATE (KT-FT) 30800 36190
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 38 FAIR 3 VERY POOR 27 FAIR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 4 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-232015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 53 (-1) 79
RH % (24H TREND) 45 (-10) 94 (-6) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1780 1650
MIXING HGT(FT-AGL/MSL)5850 5400
TRANSPORT WND (MPH) NE 7 SE 6
VENT RATE (KT-FT) 35100 27000
CATEGORY DAY 3 3
INVERSION 67F/10AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 41 GEN GOOD 3 VERY POOR 21 FAIR
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 40 FAIR
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-232015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 53 (-1) 80
RH % (24H TREND) 44 (-9) 93 (-7) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1780 1640
MIXING HGT(FT-AGL/MSL)5850 5370
TRANSPORT WND (MPH) NE 7 SE 7
VENT RATE (KT-FT) 35100 32220
CATEGORY DAY 3 3
INVERSION 67F/10AM 8PM 63F/9AM
DISPERSION 3 3
MAX ADI EARLY 42 GEN GOOD 3 VERY POOR 24 FAIR
MAX ADI LATE 49 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-232015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 54 (-1) 80
RH % (24H TREND) 42 (-12) 91 (-8) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1720 1440
MIXING HGT(FT-AGL/MSL)5650 4720
TRANSPORT WND (MPH) NE 7 SE 8
VENT RATE (KT-FT) 33900 33040
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 46 GEN GOOD 4 VERY POOR 20 GEN POOR
MAX ADI LATE 52 GEN GOOD 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 9 5 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-232015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 54 (-1) 79
RH % (24H TREND) 45 (-12) 91 (-8) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1720 1590
MIXING HGT(FT-AGL/MSL)5640 5210
TRANSPORT WND (MPH) NE 8 S 8
VENT RATE (KT-FT) 39480 36470
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 64F/9AM
DISPERSION 3 3
MAX ADI EARLY 54 GEN GOOD 4 VERY POOR 18 GEN POOR
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 8 5 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-232015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (0) 56 (0) 80
RH % (24H TREND) 45 (-14) 88 (-9) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1670 1430
MIXING HGT(FT-AGL/MSL)5490 4710
TRANSPORT WND (MPH) NE 8 SE 7
VENT RATE (KT-FT) 38430 28260
CATEGORY DAY 3 3
INVERSION 62F/9AM 8PM 64F/9AM
DISPERSION 3 3
MAX ADI EARLY 55 GEN GOOD 4 VERY POOR 21 FAIR
MAX ADI LATE 60 GEN GOOD 5 VERY POOR 40 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-232015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+6) 49 (-2) 79
RH % (24H TREND) 46 (-15) 95 (-1) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1850 1680
MIXING HGT(FT-AGL/MSL)6090 5520
TRANSPORT WND (MPH) N 6 S 10
VENT RATE (KT-FT) 30450 49680
CATEGORY DAY 3 4
INVERSION 59F/9AM 8PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 41 GEN GOOD 3 VERY POOR 36 FAIR
MAX ADI LATE 48 GEN GOOD 4 VERY POOR 67 GOOD
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-232015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+10) 49 (-1) 79
RH % (24H TREND) 46 (-26) 96 (0) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1830 1750
MIXING HGT(FT-AGL/MSL)6020 5750
TRANSPORT WND (MPH) N 6 S 10
VENT RATE (KT-FT) 30100 51750
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 59F/9AM
DISPERSION 3 4
MAX ADI EARLY 53 GEN GOOD 3 VERY POOR 39 FAIR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 72 GOOD
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-232015-
FOREST-
INCLUDING THE CITY OF TIONESTA
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+10) 47 (-2) 79
RH % (24H TREND) 41 (-31) 95 (-2) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1710 1870
MIXING HGT(FT-AGL/MSL)5620 6150
TRANSPORT WND (MPH) NW 7 S 8
VENT RATE (KT-FT) 33720 43050
CATEGORY DAY 3 3
INVERSION 56F/9AM 7PM 59F/9AM
DISPERSION 3 3
MAX ADI EARLY 59 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX ADI LATE 60 GEN GOOD 3 VERY POOR 67 GOOD
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-232015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 50 (-2) 80
RH % (24H TREND) 44 (-16) 95 (-4) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1900 1580
MIXING HGT(FT-AGL/MSL)6240 5180
TRANSPORT WND (MPH) N 6 SE 9
VENT RATE (KT-FT) 31200 41440
CATEGORY DAY 3 3
INVERSION 59F/9AM 8PM 62F/9AM
DISPERSION 3 3
MAX ADI EARLY 34 FAIR 3 VERY POOR 35 FAIR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 8 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-232015-
BUTLER-
INCLUDING THE CITY OF BUTLER
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 50 (-1) 80
RH % (24H TREND) 47 (-15) 96 (-3) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1850 1560
MIXING HGT(FT-AGL/MSL)6070 5100
TRANSPORT WND (MPH) N 6 SE 9
VENT RATE (KT-FT) 30350 40800
CATEGORY DAY 3 3
INVERSION 59F/9AM 8PM 61F/9AM
DISPERSION 3 3
MAX ADI EARLY 47 GEN GOOD 3 VERY POOR 35 FAIR
MAX ADI LATE 48 GEN GOOD 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 8 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-232015-
CLARION-
INCLUDING THE CITY OF CLARION
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+9) 49 (-1) 79
RH % (24H TREND) 42 (-26) 95 (-2) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1790 1700
MIXING HGT(FT-AGL/MSL)5860 5590
TRANSPORT WND (MPH) N 6 S 10
VENT RATE (KT-FT) 29300 50310
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 60F/9AM
DISPERSION 3 4
MAX ADI EARLY 57 GEN GOOD 3 VERY POOR 40 FAIR
MAX ADI LATE 59 GEN GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-232015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+7) 49 (-1) 78
RH % (24H TREND) 40 (-23) 92 (-2) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1760 1860
MIXING HGT(FT-AGL/MSL)5760 6100
TRANSPORT WND (MPH) N 6 S 9
VENT RATE (KT-FT) 28800 48800
CATEGORY DAY 3 3
INVERSION 56F/9AM 8PM 60F/9AM
DISPERSION 3 3
MAX ADI EARLY 57 GEN GOOD 3 VERY POOR 45 GEN GOOD
MAX ADI LATE 61 GOOD 3 VERY POOR 68 GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-232015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 52 (-2) 80
RH % (24H TREND) 43 (-12) 92 (-4) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1900 1620
MIXING HGT(FT-AGL/MSL)6230 5330
TRANSPORT WND (MPH) N 5 SE 8
VENT RATE (KT-FT) 24920 37310
CATEGORY DAY 2 3
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 2 3
MAX ADI EARLY 34 FAIR 3 VERY POOR 33 FAIR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 7 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-232015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 53 (-2) 82
RH % (24H TREND) 42 (-13) 92 (-4) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1820 1720
MIXING HGT(FT-AGL/MSL)5980 5650
TRANSPORT WND (MPH) N 6 SE 9
VENT RATE (KT-FT) 29900 45200
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 41 GEN GOOD 3 VERY POOR 29 FAIR
MAX ADI LATE 46 GEN GOOD 4 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 7 3 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-232015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 50 (-1) 82
RH % (24H TREND) 44 (-16) 97 (-2) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1770 1610
MIXING HGT(FT-AGL/MSL)5820 5270
TRANSPORT WND (MPH) N 6 SE 10
VENT RATE (KT-FT) 29100 47430
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 48 GEN GOOD 3 VERY POOR 36 FAIR
MAX ADI LATE 52 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-232015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 54 (0) 80
RH % (24H TREND) 43 (-11) 88 (-7) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1760 1610
MIXING HGT(FT-AGL/MSL)5780 5280
TRANSPORT WND (MPH) NE 7 SE 8
VENT RATE (KT-FT) 34680 36960
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 45 GEN GOOD 3 VERY POOR 25 FAIR
MAX ADI LATE 46 GEN GOOD 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 7 3 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-232015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 55 (0) 80
RH % (24H TREND) 47 (-16) 87 (-9) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1630 1760
MIXING HGT(FT-AGL/MSL)5360 5770
TRANSPORT WND (MPH) NE 8 SE 8
VENT RATE (KT-FT) 37520 40390
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 53 GEN GOOD 4 VERY POOR 20 GEN POOR
MAX ADI LATE 53 GEN GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 8 4 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-232015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 52 (-2) 81
RH % (24H TREND) 43 (-15) 96 (-4) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1710 1540
MIXING HGT(FT-AGL/MSL)5590 5060
TRANSPORT WND (MPH) N 7 SE 9
VENT RATE (KT-FT) 33540 40480
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 42 GEN GOOD 3 VERY POOR 27 FAIR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 9 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-232015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 52 (-2) 81
RH % (24H TREND) 40 (-20) 88 (-8) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1520 1630
MIXING HGT(FT-AGL/MSL)4980 5350
TRANSPORT WND (MPH) N 7 S 12
VENT RATE (KT-FT) 29880 53500
CATEGORY DAY 3 4
INVERSION 58F/9AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 45 GEN GOOD 3 VERY POOR 37 FAIR
MAX ADI LATE 48 GEN GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 7 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-232015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 54 (-1) 80
RH % (24H TREND) 44 (-13) 88 (-8) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1540 1830
MIXING HGT(FT-AGL/MSL)5060 6010
TRANSPORT WND (MPH) NE 7 SE 9
VENT RATE (KT-FT) 30360 48080
CATEGORY DAY 3 3
INVERSION 61F/9AM 7PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 47 GEN GOOD 4 VERY POOR 23 FAIR
MAX ADI LATE 48 GEN GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 4 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-232015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+1) 52 (-1) 78
RH % (24H TREND) 43 (-21) 87 (-9) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1460 1800
MIXING HGT(FT-AGL/MSL)4790 5910
TRANSPORT WND (MPH) NE 7 SE 10
VENT RATE (KT-FT) 28740 53190
CATEGORY DAY 3 4
INVERSION 58F/9AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 43 GEN GOOD 3 VERY POOR 32 FAIR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-232015-
INDIANA-
INCLUDING THE CITY OF INDIANA
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 51 (-1) 81
RH % (24H TREND) 43 (-18) 94 (-4) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1710 1830
MIXING HGT(FT-AGL/MSL)5590 6020
TRANSPORT WND (MPH) N 7 S 10
VENT RATE (KT-FT) 33540 54180
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 46 GEN GOOD 3 VERY POOR 41 GEN GOOD
MAX ADI LATE 52 GEN GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 9 5 5
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-232015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR CLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 52 (-1) 80
RH % (24H TREND) 42 (-19) 88 (-9) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1580 1790
MIXING HGT(FT-AGL/MSL)5180 5870
TRANSPORT WND (MPH) N 7 S 10
VENT RATE (KT-FT) 31080 52830
CATEGORY DAY 3 4
INVERSION 58F/9AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 45 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 73 GOOD
MAX LVORI EARLY 8 5 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-232015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 53 (-1) 80
RH % (24H TREND) 41 (-13) 89 (-6) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1620
MIXING HGT(FT-AGL/MSL)6160 5300
TRANSPORT WND (MPH) N 5 SE 7
VENT RATE (KT-FT) 24640 31800
CATEGORY DAY 2 3
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 2 3
MAX ADI EARLY 35 FAIR 3 VERY POOR 29 FAIR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 7 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-232015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 54 (-1) 80
RH % (24H TREND) 41 (-9) 88 (-8) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1780 1530
MIXING HGT(FT-AGL/MSL)5860 5000
TRANSPORT WND (MPH) NE 6 SE 8
VENT RATE (KT-FT) 29300 35000
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 3
MAX ADI EARLY 43 GEN GOOD 3 VERY POOR 24 FAIR
MAX ADI LATE 48 GEN GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 8 3 5
MAX LVORI LATE 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-232015-
OHIO-
INCLUDING THE CITY OF WHEELING
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 55 (0) 80
RH % (24H TREND) 42 (-11) 86 (-10) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1710 1460
MIXING HGT(FT-AGL/MSL)5630 4810
TRANSPORT WND (MPH) NE 7 SE 7
VENT RATE (KT-FT) 33780 28860
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 64F/9AM
DISPERSION 3 3
MAX ADI EARLY 44 GEN GOOD 3 VERY POOR 24 FAIR
MAX ADI LATE 50 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 7 4 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-232015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+2) 56 (0) 81
RH % (24H TREND) 45 (-16) 85 (-9) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1680 1480
MIXING HGT(FT-AGL/MSL)5510 4870
TRANSPORT WND (MPH) NE 8 SE 7
VENT RATE (KT-FT) 38570 29220
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 64F/9AM
DISPERSION 3 3
MAX ADI EARLY 55 GEN GOOD 4 VERY POOR 21 FAIR
MAX ADI LATE 55 GEN GOOD 5 VERY POOR 38 FAIR
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-232015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (0) 57 (0) 78
RH % (24H TREND) 50 (-17) 86 (-7) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1630 1460
MIXING HGT(FT-AGL/MSL)5360 4780
TRANSPORT WND (MPH) NE 8 SE 8
VENT RATE (KT-FT) 37520 33460
CATEGORY DAY 3 3
INVERSION 61F/9AM 8PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 60 GEN GOOD 4 VERY POOR 18 GEN POOR
MAX ADI LATE 61 GOOD 5 VERY POOR 39 FAIR
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-232015-
MARION-
INCLUDING THE CITY OF FAIRMONT
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-3) 56 (0) 79
RH % (24H TREND) 49 (-16) 87 (-10) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1520 1590
MIXING HGT(FT-AGL/MSL)4990 5230
TRANSPORT WND (MPH) NE 9 SE 8
VENT RATE (KT-FT) 39920 36610
CATEGORY DAY 3 3
INVERSION 60F/9AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 57 GEN GOOD 4 VERY POOR 19 GEN POOR
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 7 4 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-232015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-1) 56 (-1) 79
RH % (24H TREND) 48 (-19) 86 (-9) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1550 1770
MIXING HGT(FT-AGL/MSL)5080 5800
TRANSPORT WND (MPH) NE 8 SE 8
VENT RATE (KT-FT) 35560 40600
CATEGORY DAY 3 3
INVERSION 61F/9AM 7PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 54 GEN GOOD 4 VERY POOR 19 GEN POOR
MAX ADI LATE 53 GEN GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 7 4 5
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-232015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (0) 53 (-2) 78
RH % (24H TREND) 47 (-23) 84 (-12) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1470 1730
MIXING HGT(FT-AGL/MSL)4810 5670
TRANSPORT WND (MPH) NE 7 SE 8
VENT RATE (KT-FT) 28860 39690
CATEGORY DAY 3 3
INVERSION 59F/9AM 7PM 68F/10AM
DISPERSION 3 3
MAX ADI EARLY 47 GEN GOOD 4 VERY POOR 23 FAIR
MAX ADI LATE 46 GEN GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-232015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-1) 53 (-2) 78
RH % (24H TREND) 45 (-21) 86 (-12) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1450 1660
MIXING HGT(FT-AGL/MSL)4750 5430
TRANSPORT WND (MPH) NE 7 S 9
VENT RATE (KT-FT) 28500 43440
CATEGORY DAY 3 3
INVERSION 59F/9AM 8PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 46 GEN GOOD 4 VERY POOR 27 FAIR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-232015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-1) 53 (-1) 76
RH % (24H TREND) 46 (-25) 84 (-13) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1440 1620
MIXING HGT(FT-AGL/MSL)4730 5330
TRANSPORT WND (MPH) NE 7 S 10
VENT RATE (KT-FT) 28380 47970
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 40 FAIR 4 VERY POOR 32 FAIR
MAX ADI LATE 40 FAIR 5 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-232015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-1) 55 (-1) 78
RH % (24H TREND) 45 (-20) 85 (-12) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1400 1590
MIXING HGT(FT-AGL/MSL)4590 5220
TRANSPORT WND (MPH) N 6 S 10
VENT RATE (KT-FT) 22950 46980
CATEGORY DAY 3 3
INVERSION 58F/9AM 8PM 61F/9AM
DISPERSION 3 3
MAX ADI EARLY 34 FAIR 4 VERY POOR 31 FAIR
MAX ADI LATE 38 FAIR 4 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-232015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1206 AM EDT THU JUL 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+1) 50 (-3) 74
RH % (24H TREND) 50 (-20) 83 (-15) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1390 1410
MIXING HGT(FT-AGL/MSL)4560 4630
TRANSPORT WND (MPH) N 6 S 12
VENT RATE (KT-FT) 22800 46300
CATEGORY DAY 3 3
INVERSION 53F/8AM 8PM 59F/9AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 4 VERY POOR 33 FAIR
MAX ADI LATE 37 FAIR 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
PATCHY FOG. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. LIGHT
WINDS.
MONDAY
MOSTLY CLOUDY. PATCHY FOG THROUGH THE NIGHT. A CHANCE
OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 80. NORTHWEST
WINDS 5 TO 10 MPH.
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