895
FNUS51 KPBZ 232015
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
415 PM EDT WED SEP 23 2026
DISCUSSION
THE POTENTIAL FOR FIRE WEATHER REMAINS LOW OVER THE NEXT 48 HOURS
GIVEN RECENT SATURATED CONDITIONS. DRIER AND COOLER WEATHER IS
EXPECTED INTO THE WEEKEND. THE PROBABILITY OF RAIN REMAINS LOW
THROUGH WEDNESDAY.
FORECASTER: HEFFERAN
OHZ039-240815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-3) 66 (+2) 43 69
RH % (24H TREND) 87 (-13) 51 (-18) 95 55
WIND 20FT/EARLY(MPH) E 9 G17 E 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 G17 E 8 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1010 1120
MIXING HGT(FT-AGL/MSL) 3330 3670
TRANSPORT WND (MPH) E 15 NE 12
VENT RATE (KT-FT) 43290 36700
CATEGORY DAY 3 3
INVERSION 7PM 53F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 15 GEN POOR 44 GEN GOOD 5 VERY POOR 25 FAIR
MAX ADI LATE 12 POOR 54 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-240815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-4) 66 (+2) 43 69
RH % (24H TREND) 86 (-13) 49 (-12) 93 52
WIND 20FT/EARLY(MPH) E 10 G19 E 9 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 8 G17 E 9 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 990 1100
MIXING HGT(FT-AGL/MSL) 3250 3620
TRANSPORT WND (MPH) E 14 N 13
VENT RATE (KT-FT) 39000 39820
CATEGORY DAY 3 3
INVERSION 8PM 52F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 19 GEN POOR 44 GEN GOOD 8 POOR 28 FAIR
MAX ADI LATE 12 POOR 49 GEN GOOD 5 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-240815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-4) 66 (+2) 43 69
RH % (24H TREND) 86 (-11) 49 (0) 95 54
WIND 20FT/EARLY(MPH) E 9 G18 E 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 G17 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1000 1140
MIXING HGT(FT-AGL/MSL) 3290 3750
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 39480 37500
CATEGORY DAY 3 3
INVERSION 7PM 51F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 12 POOR 41 GEN GOOD 5 VERY POOR 27 FAIR
MAX ADI LATE 11 POOR 56 GEN GOOD 5 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 4 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-240815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-3) 66 (+4) 43 68
RH % (24H TREND) 93 (-7) 56 (-20) 97 56
WIND 20FT/EARLY(MPH) E 7 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 7 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1030 1120
MIXING HGT(FT-AGL/MSL) 3360 3690
TRANSPORT WND (MPH) E 15 NE 12
VENT RATE (KT-FT) 43680 36900
CATEGORY DAY 3 3
INVERSION 7PM 54F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 12 POOR 40 FAIR 5 VERY POOR 23 FAIR
MAX ADI LATE 11 POOR 59 GEN GOOD 5 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 5 5 5 6
MAX LVORI LATE 5 2 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-240815-
HARRISON-
INCLUDING THE CITY OF CADIZ
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-3) 66 (+2) 43 69
RH % (24H TREND) 87 (-13) 51 (-16) 95 51
WIND 20FT/EARLY(MPH) E 9 G19 E 8 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 8 G17 E 8 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 980 1120
MIXING HGT(FT-AGL/MSL) 3220 3660
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 38640 36600
CATEGORY DAY 3 3
INVERSION 8PM 53F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 43 GEN GOOD 5 VERY POOR 29 FAIR
MAX ADI LATE 12 POOR 54 GEN GOOD 5 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-240815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-3) 66 (+2) 43 70
RH % (24H TREND) 85 (-14) 50 (-10) 95 50
WIND 20FT/EARLY(MPH) E 9 G18 E 8 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 G17 E 8 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1010 1130
MIXING HGT(FT-AGL/MSL) 3310 3710
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 39720 37100
CATEGORY DAY 3 3
INVERSION 8PM 52F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 43 GEN GOOD 7 POOR 28 FAIR
MAX ADI LATE 11 POOR 55 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-240815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLEAR CLEAR CLEAR
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-3) 67 (+3) 44 68
RH % (24H TREND) 94 (-6) 57 (-19) 96 54
WIND 20FT/EARLY(MPH) E 7 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 6 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 4 AM
MIXING HGT(M-AGL/MSL) 1040 1110
MIXING HGT(FT-AGL/MSL) 3420 3650
TRANSPORT WND (MPH) E 14 NE 10
VENT RATE (KT-FT) 41040 32850
CATEGORY DAY 3 3
INVERSION 7PM 55F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 37 FAIR 5 VERY POOR 23 FAIR
MAX ADI LATE 8 POOR 57 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 6 5 5 6
MAX LVORI LATE 5 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-240815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-3) 67 (+3) 44 69
RH % (24H TREND) 91 (-9) 54 (-22) 95 51
WIND 20FT/EARLY(MPH) E 8 G18 E 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 G17 E 7 LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1040 1150
MIXING HGT(FT-AGL/MSL) 3400 3770
TRANSPORT WND (MPH) E 14 NE 10
VENT RATE (KT-FT) 40800 33930
CATEGORY DAY 3 3
INVERSION 7PM 55F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 39 FAIR 5 VERY POOR 26 FAIR
MAX ADI LATE 12 POOR 58 GEN GOOD 5 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 5 4 4 6
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-240815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-4) 67 (+2) 44 70
RH % (24H TREND) 89 (-11) 53 (-14) 93 50
WIND 20FT/EARLY(MPH) E 9 G19 E 8 G18 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 8 G17 E 8 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1010 1110
MIXING HGT(FT-AGL/MSL) 3310 3640
TRANSPORT WND (MPH) E 14 NE 12
VENT RATE (KT-FT) 39720 36400
CATEGORY DAY 3 3
INVERSION 7PM 54F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 42 GEN GOOD 8 POOR 27 FAIR
MAX ADI LATE 11 POOR 52 GEN GOOD 5 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 5 4 4 6
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-240815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-4) 67 (+2) 44 69
RH % (24H TREND) 92 (-8) 54 (-21) 93 50
WIND 20FT/EARLY(MPH) E 8 G18 E 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 NE 6 LGT/VAR NE 5
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT(M-AGL/MSL) 1050 1130
MIXING HGT(FT-AGL/MSL) 3440 3700
TRANSPORT WND (MPH) E 13 NE 9
VENT RATE (KT-FT) 37840 29600
CATEGORY DAY 3 3
INVERSION 7PM 55F/9AM 7PM 55F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 38 FAIR 5 VERY POOR 28 FAIR
MAX ADI LATE 12 POOR 54 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 5 4 4 5
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-240815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-4) 68 (+1) 45 69
RH % (24H TREND) 91 (-9) 53 (-14) 91 48
WIND 20FT/EARLY(MPH) E 7 G18 NE 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 G17 NE 6 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 3 AM
MIXING HGT(M-AGL/MSL) 1090 1100
MIXING HGT(FT-AGL/MSL) 3580 3600
TRANSPORT WND (MPH) E 13 N 10
VENT RATE (KT-FT) 39380 32400
CATEGORY DAY 3 3
INVERSION 7PM 55F/9AM 7PM 55F/10AM
DISPERSION 3 3
MAX ADI EARLY 12 POOR 40 FAIR 5 VERY POOR 28 FAIR
MAX ADI LATE 11 POOR 55 GEN GOOD 5 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 5 4 4 5
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-240815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-6) 67 (+4) 43 69
RH % (24H TREND) 93 (-4) 45 (+4) 100 55
WIND 20FT/EARLY(MPH) E 8 E 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 E 7 LGT/VAR N 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1140 1180
MIXING HGT(FT-AGL/MSL) 3750 3860
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 41250 38600
CATEGORY DAY 3 3
INVERSION 7PM 50F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 8 POOR 38 FAIR 4 VERY POOR 27 FAIR
MAX ADI LATE 8 POOR 56 GEN GOOD 5 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 4 5 4 7
MAX LVORI LATE 6 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-240815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 66 (+3) 42 68
RH % (24H TREND) 94 (-4) 44 (+4) 100 53
WIND 20FT/EARLY(MPH) E 5 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 5 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1210 1220
MIXING HGT(FT-AGL/MSL) 3970 4020
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 43670 40200
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 37 FAIR 4 VERY POOR 26 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 5 4 8
MAX LVORI LATE 6 1 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-240815-
FOREST-
INCLUDING THE CITY OF TIONESTA
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-6) 66 (+3) 41 68
RH % (24H TREND) 92 (-4) 38 (-3) 100 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1230
MIXING HGT(FT-AGL/MSL) 4060 4030
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 44660 40300
CATEGORY DAY 3 3
INVERSION 7PM 47F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 38 FAIR 5 VERY POOR 30 FAIR
MAX ADI LATE 4 VERY POOR 61 GOOD 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 4 5 4 8
MAX LVORI LATE 6 1 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-240815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-5) 67 (+4) 43 70
RH % (24H TREND) 89 (-8) 46 (+4) 97 53
WIND 20FT/EARLY(MPH) E 7 G17 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1170
MIXING HGT(FT-AGL/MSL) 3440 3840
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 41280 38400
CATEGORY DAY 3 3
INVERSION 7PM 51F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 9 POOR 39 FAIR 4 VERY POOR 28 FAIR
MAX ADI LATE 8 POOR 56 GEN GOOD 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-240815-
BUTLER-
INCLUDING THE CITY OF BUTLER
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-5) 66 (+4) 42 70
RH % (24H TREND) 92 (-6) 49 (+2) 99 53
WIND 20FT/EARLY(MPH) E 8 G17 E 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1060 1240
MIXING HGT(FT-AGL/MSL) 3490 4070
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 38390 40700
CATEGORY DAY 3 3
INVERSION 7PM 49F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 9 POOR 39 FAIR 5 VERY POOR 27 FAIR
MAX ADI LATE 8 POOR 55 GEN GOOD 5 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 5 5 7
MAX LVORI LATE 6 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-240815-
CLARION-
INCLUDING THE CITY OF CLARION
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 66 (+4) 42 69
RH % (24H TREND) 93 (-4) 42 (-4) 100 50
WIND 20FT/EARLY(MPH) E 5 E 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR E 5 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1150 1240
MIXING HGT(FT-AGL/MSL) 3770 4070
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 41470 40700
CATEGORY DAY 3 3
INVERSION 7PM 47F/9AM 6PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 8 POOR 40 FAIR 4 VERY POOR 25 FAIR
MAX ADI LATE 5 VERY POOR 56 GEN GOOD 4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 5 5 4 8
MAX LVORI LATE 6 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-240815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-6) 65 (+3) 41 69
RH % (24H TREND) 89 (-8) 42 (+2) 98 49
WIND 20FT/EARLY(MPH) E 6 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 5 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1120 1260
MIXING HGT(FT-AGL/MSL) 3690 4120
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 40590 41200
CATEGORY DAY 3 3
INVERSION 7PM 47F/9AM 7PM 47F/9AM
DISPERSION 3 3
MAX ADI EARLY 8 POOR 41 GEN GOOD 4 VERY POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 5 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 4 5 4 7
MAX LVORI LATE 5 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-240815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-5) 66 (+2) 43 70
RH % (24H TREND) 86 (-10) 49 (+4) 95 52
WIND 20FT/EARLY(MPH) E 9 G18 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 G17 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1030 1210
MIXING HGT(FT-AGL/MSL) 3400 3970
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 40800 39700
CATEGORY DAY 3 3
INVERSION 8PM 51F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 39 FAIR 5 VERY POOR 28 FAIR
MAX ADI LATE 8 POOR 56 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-240815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-4) 66 (+2) 43 70
RH % (24H TREND) 86 (-10) 51 (+6) 95 53
WIND 20FT/EARLY(MPH) E 9 G18 E 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 E 9 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1110 1250
MIXING HGT(FT-AGL/MSL) 3630 4100
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 43560 41000
CATEGORY DAY 3 3
INVERSION 7PM 51F/9AM 7PM 48F/9AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 40 FAIR 8 POOR 27 FAIR
MAX ADI LATE 8 POOR 49 GEN GOOD 4 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-240815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-6) 67 (+5) 42 71
RH % (24H TREND) 91 (-6) 49 (+3) 100 54
WIND 20FT/EARLY(MPH) E 7 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 6 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1100 1240
MIXING HGT(FT-AGL/MSL) 3620 4060
TRANSPORT WND (MPH) E 14 N 10
VENT RATE (KT-FT) 43440 36540
CATEGORY DAY 3 3
INVERSION 7PM 49F/9AM 6PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 9 POOR 42 GEN GOOD 4 VERY POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 5 5 5 8
MAX LVORI LATE 6 1 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-240815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-5) 65 (+2) 42 69
RH % (24H TREND) 84 (-11) 53 (-1) 95 52
WIND 20FT/EARLY(MPH) E 10 G19 E 9 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 8 G17 E 9 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1150
MIXING HGT(FT-AGL/MSL) 3520 3790
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 42240 37900
CATEGORY DAY 3 3
INVERSION 7PM 51F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 43 GEN GOOD 8 POOR 28 FAIR
MAX ADI LATE 11 POOR 48 GEN GOOD 4 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-240815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-4) 65 (+2) 42 67
RH % (24H TREND) 85 (-13) 54 (-1) 97 51
WIND 20FT/EARLY(MPH) E 9 G18 NE 7 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 6 NE 8 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1180 1100
MIXING HGT(FT-AGL/MSL) 3880 3600
TRANSPORT WND (MPH) E 14 N 13
VENT RATE (KT-FT) 46560 39600
CATEGORY DAY 3 3
INVERSION 7PM 52F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 15 GEN POOR 42 GEN GOOD 8 POOR 28 FAIR
MAX ADI LATE 9 POOR 56 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-240815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-5) 66 (+2) 41 70
RH % (24H TREND) 89 (-7) 51 (+3) 99 54
WIND 20FT/EARLY(MPH) E 9 G17 E 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 E 9 LGT/VAR N 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1110 1190
MIXING HGT(FT-AGL/MSL) 3640 3920
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 43680 39200
CATEGORY DAY 3 3
INVERSION 7PM 50F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 15 GEN POOR 42 GEN GOOD 7 POOR 27 FAIR
MAX ADI LATE 8 POOR 48 GEN GOOD 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 4 5 6 7
MAX LVORI LATE 5 1 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-240815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 65 (+5) 40 69
RH % (24H TREND) 88 (-9) 48 (-4) 96 51
WIND 20FT/EARLY(MPH) E 10 G21 E 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 G22 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1000 1140
MIXING HGT(FT-AGL/MSL) 3290 3750
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 39480 37500
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 52F/10AM
DISPERSION 3 3
MAX ADI EARLY 16 GEN POOR 41 GEN GOOD 4 VERY POOR 26 FAIR
MAX ADI LATE 9 POOR 53 GEN GOOD 4 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-240815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 48 (-5) 66 (+3) 41 68
RH % (24H TREND) 83 (-10) 51 (-1) 97 51
WIND 20FT/EARLY(MPH) E 8 NE 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 G17 NE 7 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1180 1130
MIXING HGT(FT-AGL/MSL) 3860 3700
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 46320 37000
CATEGORY DAY 3 3
INVERSION 7PM 51F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 10 POOR 45 GEN GOOD 6 VERY POOR 27 FAIR
MAX ADI LATE 8 POOR 62 GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-240815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-5) 64 (+5) 39 67
RH % (24H TREND) 86 (-12) 47 (-10) 94 47
WIND 20FT/EARLY(MPH) E 9 G21 E 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 8 G22 E 5 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1090
MIXING HGT(FT-AGL/MSL) 3460 3590
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 41520 35900
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 51F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 45 GEN GOOD 5 VERY POOR 28 FAIR
MAX ADI LATE 14 GEN POOR 55 GEN GOOD 4 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-240815-
INDIANA-
INCLUDING THE CITY OF INDIANA
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 66 (+4) 41 71
RH % (24H TREND) 89 (-8) 49 (+5) 99 53
WIND 20FT/EARLY(MPH) E 7 G17 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1080 1250
MIXING HGT(FT-AGL/MSL) 3560 4110
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 42720 41100
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 9 POOR 43 GEN GOOD 4 VERY POOR 22 FAIR
MAX ADI LATE 6 VERY POOR 57 GEN GOOD 4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 4 5 5 7
MAX LVORI LATE 5 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-240815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 65 (+4) 41 68
RH % (24H TREND) 87 (-7) 49 (+3) 96 52
WIND 20FT/EARLY(MPH) E 8 G17 E 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1020 1220
MIXING HGT(FT-AGL/MSL) 3350 4000
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 40200 40000
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 9 POOR 42 GEN GOOD 4 VERY POOR 23 FAIR
MAX ADI LATE 8 POOR 55 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-240815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-4) 66 (+1) 43 70
RH % (24H TREND) 85 (-12) 50 (-3) 95 52
WIND 20FT/EARLY(MPH) E 9 G18 E 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 7 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1020 1150
MIXING HGT(FT-AGL/MSL) 3340 3770
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 40080 37700
CATEGORY DAY 3 3
INVERSION 8PM 52F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 40 FAIR 5 VERY POOR 28 FAIR
MAX ADI LATE 9 POOR 57 GEN GOOD 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-240815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-4) 66 (+2) 44 70
RH % (24H TREND) 83 (-13) 51 (-7) 93 50
WIND 20FT/EARLY(MPH) E 9 G18 E 8 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 7 G17 E 8 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1020 1130
MIXING HGT(FT-AGL/MSL) 3350 3710
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 40200 37100
CATEGORY DAY 3 3
INVERSION 8PM 53F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 43 GEN GOOD 8 POOR 27 FAIR
MAX ADI LATE 11 POOR 55 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-240815-
OHIO-
INCLUDING THE CITY OF WHEELING
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-5) 66 (+1) 43 69
RH % (24H TREND) 85 (-13) 55 (-3) 95 51
WIND 20FT/EARLY(MPH) E 9 G19 E 9 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 8 G17 E 8 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1000 1100
MIXING HGT(FT-AGL/MSL) 3280 3600
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 39360 36000
CATEGORY DAY 3 3
INVERSION 7PM 53F/9AM 7PM 48F/9AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 43 GEN GOOD 8 POOR 27 FAIR
MAX ADI LATE 11 POOR 54 GEN GOOD 4 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-240815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-5) 67 (+3) 43 69
RH % (24H TREND) 88 (-12) 56 (-8) 95 52
WIND 20FT/EARLY(MPH) E 9 G19 E 8 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 7 NE 8 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1090 1090
MIXING HGT(FT-AGL/MSL) 3570 3570
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 42840 35700
CATEGORY DAY 3 3
INVERSION 7PM 53F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 41 GEN GOOD 8 POOR 29 FAIR
MAX ADI LATE 10 POOR 57 GEN GOOD 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-240815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY CLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-5) 67 (+2) 43 68
RH % (24H TREND) 86 (-14) 56 (-14) 93 48
WIND 20FT/EARLY(MPH) E 9 G19 E 7 G17 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 7 G17 NE 7 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1130 1080
MIXING HGT(FT-AGL/MSL) 3710 3560
TRANSPORT WND (MPH) E 14 N 12
VENT RATE (KT-FT) 44520 35600
CATEGORY DAY 3 3
INVERSION 7PM 53F/9AM 7PM 54F/10AM
DISPERSION 3 3
MAX ADI EARLY 12 POOR 41 GEN GOOD 5 VERY POOR 30 FAIR
MAX ADI LATE 11 POOR 60 GEN GOOD 5 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 4 4 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-240815-
MARION-
INCLUDING THE CITY OF FAIRMONT
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-4) 65 (0) 42 68
RH % (24H TREND) 86 (-12) 55 (-10) 96 49
WIND 20FT/EARLY(MPH) E 9 G18 E 7 NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 7 E 7 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1160 1080
MIXING HGT(FT-AGL/MSL) 3810 3530
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 41910 35300
CATEGORY DAY 3 3
INVERSION 7PM 52F/9AM 7PM 53F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 42 GEN GOOD 6 VERY POOR 29 FAIR
MAX ADI LATE 10 POOR 57 GEN GOOD 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-240815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-5) 65 (+1) 42 67
RH % (24H TREND) 83 (-14) 54 (0) 97 49
WIND 20FT/EARLY(MPH) E 8 G18 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 G18 E 7 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1190 1080
MIXING HGT(FT-AGL/MSL) 3910 3560
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 43010 35600
CATEGORY DAY 3 3
INVERSION 7PM 52F/9AM 7PM 52F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 45 GEN GOOD 5 VERY POOR 28 FAIR
MAX ADI LATE 9 POOR 61 GOOD 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-240815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-5) 62 (+2) 40 65
RH % (24H TREND) 84 (-13) 53 (-10) 94 50
WIND 20FT/EARLY(MPH) E 8 G19 E 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 9 G20 E 5 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1130 1110
MIXING HGT(FT-AGL/MSL) 3720 3650
TRANSPORT WND (MPH) E 12 N 12
VENT RATE (KT-FT) 37200 36500
CATEGORY DAY 3 3
INVERSION 7PM 48F/8AM 7PM 45F/9AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 46 GEN GOOD 5 VERY POOR 28 FAIR
MAX ADI LATE 14 GEN POOR 55 GEN GOOD 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-240815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-5) 64 (+2) 40 68
RH % (24H TREND) 84 (-13) 50 (-15) 93 45
WIND 20FT/EARLY(MPH) E 9 G20 E 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 8 G20 E 6 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1080 1160
MIXING HGT(FT-AGL/MSL) 3560 3810
TRANSPORT WND (MPH) E 14 N 10
VENT RATE (KT-FT) 42720 34290
CATEGORY DAY 3 3
INVERSION 7PM 48F/8AM 7PM 46F/9AM
DISPERSION 3 3
MAX ADI EARLY 16 GEN POOR 44 GEN GOOD 5 VERY POOR 30 FAIR
MAX ADI LATE 16 GEN POOR 56 GEN GOOD 4 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-240815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (-6) 63 (+5) 40 66
RH % (24H TREND) 91 (-8) 53 (-22) 93 44
WIND 20FT/EARLY(MPH) E 12 G23 E 8 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 11 G23 E 6 LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 970 1190
MIXING HGT(FT-AGL/MSL) 3190 3910
TRANSPORT WND (MPH) E 15 N 12
VENT RATE (KT-FT) 41470 39100
CATEGORY DAY 3 3
INVERSION NONE NONE 7PM 46F/9AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 43 GEN GOOD 5 VERY POOR 33 FAIR
MAX ADI LATE 19 GEN POOR 56 GEN GOOD 5 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-240815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 46 (-6) 64 (+2) 40 68
RH % (24H TREND) 88 (-11) 50 (-22) 93 40
WIND 20FT/EARLY(MPH) SE 9 G23 E 5 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 8 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 970 1210
MIXING HGT(FT-AGL/MSL) 3180 3980
TRANSPORT WND (MPH) E 13 N 12
VENT RATE (KT-FT) 34980 39800
CATEGORY DAY 3 3
INVERSION 7PM 48F/9AM 7PM 45F/9AM
DISPERSION 3 3
MAX ADI EARLY 17 GEN POOR 39 FAIR 5 VERY POOR 32 FAIR
MAX ADI LATE 15 GEN POOR 50 GEN GOOD 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-240815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
415 PM EDT WED SEP 23 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-6) 58 (+4) 37 65
RH % (24H TREND) 99 (-1) 58 (-29) 92 40
WIND 20FT/EARLY(MPH) E 9 G25 E 6 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 9 G25 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 810 1130
MIXING HGT(FT-AGL/MSL) 2640 3700
TRANSPORT WND (MPH) E 15 N 13
VENT RATE (KT-FT) 34320 40700
CATEGORY DAY 3 3
INVERSION 8PM 44F/8AM 7PM 44F/9AM
DISPERSION 3 3
MAX ADI EARLY 19 GEN POOR 33 FAIR 6 VERY POOR 34 FAIR
MAX ADI LATE 19 GEN POOR 44 GEN GOOD 5 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 5 5 5 5
MAX LVORI LATE 5 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. NORTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
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