646
FNUS51 KPBZ 241731
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
131 PM EDT THU SEP 24 2026
DISCUSSION
AS A HIGH SETTLES INTO THE REGION, WINDS WILL EASE AND CONDITIONS
WILL BE DRY. TOMORROW, THE MINIMUM RELATIVE HUMIDITY WILL BE
BETWEEN 40%-55% WITH WIND SHIFTING FROM THE NORTHEAST TO OUT OF
THE NORTH. RELATIVE HUMIDITY WILL INCREASE THIS WEEKEND, HOWEVER,
CONDITIONS WILL REMAIN DRY.
OHZ039-250900-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-11) 66 (+1) 47 68
RH % (24H TREND) 98 (+11) 51 (-2) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NE 6 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) 1050 1410
MIXING HGT(FT-AGL/MSL) 3450 4630
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 37950 50930
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 23 FAIR 7 POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 64 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-250900-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-8) 67 (+2) 48 68
RH % (24H TREND) 95 (+12) 49 (-2) 100 56
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 7 N 5
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1080 1370
MIXING HGT(FT-AGL/MSL) 3530 4500
TRANSPORT WND (MPH) N 14 N 15
VENT RATE (KT-FT) 42360 58500
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 8 POOR 25 FAIR 13 GEN POOR 27 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 7 POOR 62 GOOD
MAX LVORI EARLY 4 5 5 8
MAX LVORI LATE 6 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-250900-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-8) 67 (+3) 48 68
RH % (24H TREND) 98 (+14) 50 (0) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 7 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1130 1340
MIXING HGT(FT-AGL/MSL) 3700 4400
TRANSPORT WND (MPH) N 14 N 15
VENT RATE (KT-FT) 44400 57200
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 24 FAIR 13 GEN POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 7 POOR 66 GOOD
MAX LVORI EARLY 4 6 5 8
MAX LVORI LATE 6 1 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-250900-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-11) 65 (0) 47 68
RH % (24H TREND) 99 (+6) 54 (-3) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NE 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) 1040 1390
MIXING HGT(FT-AGL/MSL) 3400 4570
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 37400 45700
CATEGORY DAY 3 3
INVERSION 7PM 53F/10AM 7PM 56F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 20 GEN POOR 7 POOR 22 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 5 VERY POOR 62 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-250900-
HARRISON-
INCLUDING THE CITY OF CADIZ
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-9) 68 (+3) 47 69
RH % (24H TREND) 96 (+11) 47 (-6) 100 53
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1090 1390
MIXING HGT(FT-AGL/MSL) 3570 4560
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 39270 54720
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 23 FAIR 7 POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 55 GEN GOOD 5 VERY POOR 67 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-250900-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-8) 68 (+3) 47 69
RH % (24H TREND) 96 (+13) 45 (-6) 100 52
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1120 1430
MIXING HGT(FT-AGL/MSL) 3660 4690
TRANSPORT WND (MPH) N 14 N 14
VENT RATE (KT-FT) 43920 56280
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 23 FAIR 8 POOR 28 FAIR
MAX ADI LATE 4 VERY POOR 59 GEN GOOD 5 VERY POOR 71 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-250900-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-11) 66 (0) 47 69
RH % (24H TREND) 99 (+1) 53 (-5) 100 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NE 5 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) 1040 1390
MIXING HGT(FT-AGL/MSL) 3400 4550
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 37400 45500
CATEGORY DAY 3 3
INVERSION 7PM 53F/10AM 7PM 56F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 19 GEN POOR 6 VERY POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 52 GEN GOOD 5 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-250900-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-10) 68 (+2) 47 70
RH % (24H TREND) 98 (+1) 49 (-7) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1070 1410
MIXING HGT(FT-AGL/MSL) 3520 4630
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 38720 46300
CATEGORY DAY 3 3
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 21 FAIR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 53 GEN GOOD 5 VERY POOR 62 GOOD
MAX LVORI EARLY 5 6 7 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-250900-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 42 (-10) 68 (+3) 47 70
RH % (24H TREND) 96 (+5) 47 (-7) 99 52
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1050 1410
MIXING HGT(FT-AGL/MSL) 3460 4640
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 38060 51040
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 23 FAIR 7 POOR 24 FAIR
MAX ADI LATE 5 VERY POOR 52 GEN GOOD 5 VERY POOR 68 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-250900-
NOBLE-
INCLUDING THE CITY OF CALDWELL
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 43 (-10) 68 (+2) 47 70
RH % (24H TREND) 96 (-2) 49 (-9) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1030 1410
MIXING HGT(FT-AGL/MSL) 3370 4620
TRANSPORT WND (MPH) N 12 N 10
VENT RATE (KT-FT) 33700 41580
CATEGORY DAY 3 3
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 20 GEN POOR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 50 GEN GOOD 5 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-250900-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 43 (-10) 69 (+2) 47 71
RH % (24H TREND) 95 (-2) 46 (-9) 99 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 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) 1030 1380
MIXING HGT(FT-AGL/MSL) 3380 4520
TRANSPORT WND (MPH) N 12 N 12
VENT RATE (KT-FT) 33800 45200
CATEGORY DAY 3 3
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 21 FAIR 5 VERY POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 50 GEN GOOD 5 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 4 5 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-250900-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-6) 68 (+2) 48 69
RH % (24H TREND) 98 (+13) 52 (+7) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 7 N 5
WIND 20FT/LATE(MPH) LGT/VAR N 8 LGT/VAR N 10
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1360
MIXING HGT(FT-AGL/MSL) 3520 4470
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 38720 58110
CATEGORY DAY 3 4
INVERSION 6PM 60F/11AM 7PM 58F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 10 POOR 32 FAIR
MAX ADI LATE 4 VERY POOR 47 GEN GOOD 6 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-250900-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-5) 68 (+3) 47 69
RH % (24H TREND) 100 (+13) 53 (+6) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 N 5
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1020 1410
MIXING HGT(FT-AGL/MSL) 3350 4630
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 36850 60190
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 23 FAIR 7 POOR 34 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 5 VERY POOR 61 GOOD
MAX LVORI EARLY 5 7 6 8
MAX LVORI LATE 7 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-250900-
FOREST-
INCLUDING THE CITY OF TIONESTA
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-4) 69 (+4) 45 69
RH % (24H TREND) 100 (+11) 48 (+4) 100 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1050 1400
MIXING HGT(FT-AGL/MSL) 3450 4600
TRANSPORT WND (MPH) N 14 N 16
VENT RATE (KT-FT) 41400 64400
CATEGORY DAY 3 4
INVERSION 6PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 27 FAIR 6 VERY POOR 39 FAIR
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 5 VERY POOR 85 GOOD
MAX LVORI EARLY 4 8 6 8
MAX LVORI LATE 8 1 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-250900-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-7) 68 (+2) 47 69
RH % (24H TREND) 98 (+14) 50 (+4) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1120 1380
MIXING HGT(FT-AGL/MSL) 3680 4540
TRANSPORT WND (MPH) N 14 N 15
VENT RATE (KT-FT) 44160 59020
CATEGORY DAY 3 4
INVERSION 7PM 55F/10AM 7PM 58F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 26 FAIR 8 POOR 29 FAIR
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 6 VERY POOR 62 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-250900-
BUTLER-
INCLUDING THE CITY OF BUTLER
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-6) 69 (+4) 47 70
RH % (24H TREND) 98 (+12) 51 (+1) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 N 5
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1070 1440
MIXING HGT(FT-AGL/MSL) 3520 4740
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 38720 61620
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 25 FAIR 8 POOR 35 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 6 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-250900-
CLARION-
INCLUDING THE CITY OF CLARION
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-4) 69 (+4) 47 70
RH % (24H TREND) 99 (+10) 49 (+1) 100 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 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) 1050 1450
MIXING HGT(FT-AGL/MSL) 3440 4750
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 37840 61750
CATEGORY DAY 3 4
INVERSION 6PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 23 FAIR 6 VERY POOR 40 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 69 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-250900-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 40 (-4) 69 (+5) 46 69
RH % (24H TREND) 98 (+4) 48 (+1) 99 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 N 5
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1080 1380
MIXING HGT(FT-AGL/MSL) 3550 4530
TRANSPORT WND (MPH) N 14 N 16
VENT RATE (KT-FT) 42600 63420
CATEGORY DAY 3 4
INVERSION 6PM 54F/10AM 7PM 52F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 5 VERY POOR 43 GEN GOOD
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 5 VERY POOR 61 GOOD
MAX LVORI EARLY 4 6 6 7
MAX LVORI LATE 6 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-250900-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-9) 69 (+4) 47 70
RH % (24H TREND) 97 (+15) 48 (0) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 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) 1150 1430
MIXING HGT(FT-AGL/MSL) 3760 4700
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 41360 61100
CATEGORY DAY 3 4
INVERSION 7PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 25 FAIR 8 POOR 29 FAIR
MAX ADI LATE 4 VERY POOR 59 GEN GOOD 5 VERY POOR 68 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-250900-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 41 (-8) 69 (+4) 47 70
RH % (24H TREND) 98 (+12) 50 (+3) 100 55
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR N 9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1090 1500
MIXING HGT(FT-AGL/MSL) 3580 4930
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 39380 59160
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 52F/9AM
DISPERSION 3 4
MAX ADI EARLY 7 POOR 24 FAIR 8 POOR 29 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 5 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-250900-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-6) 69 (+4) 46 70
RH % (24H TREND) 99 (+5) 53 (+2) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1080 1410
MIXING HGT(FT-AGL/MSL) 3540 4630
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 38940 55560
CATEGORY DAY 3 4
INVERSION 6PM 54F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 23 FAIR 6 VERY POOR 34 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 7 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-250900-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 41 (-9) 68 (+4) 46 69
RH % (24H TREND) 99 (+16) 48 (-5) 99 54
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1070 1440
MIXING HGT(FT-AGL/MSL) 3520 4740
TRANSPORT WND (MPH) N 14 N 14
VENT RATE (KT-FT) 42240 56880
CATEGORY DAY 3 4
INVERSION 7PM 52F/10AM 7PM 56F/10AM
DISPERSION 3 4
MAX ADI EARLY 7 POOR 25 FAIR 6 VERY POOR 25 FAIR
MAX ADI LATE 4 VERY POOR 49 GEN GOOD 5 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 6 5 8
MAX LVORI LATE 6 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-250900-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-10) 67 (+2) 45 69
RH % (24H TREND) 100 (+14) 51 (-5) 100 57
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1030 1390
MIXING HGT(FT-AGL/MSL) 3380 4550
TRANSPORT WND (MPH) N 14 N 13
VENT RATE (KT-FT) 40560 50050
CATEGORY DAY 3 4
INVERSION 7PM 52F/10AM 7PM 50F/9AM
DISPERSION 3 4
MAX ADI EARLY 7 POOR 25 FAIR 5 VERY POOR 25 FAIR
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-250900-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-9) 68 (+3) 45 69
RH % (24H TREND) 100 (+13) 52 (+5) 100 57
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 7 LGT/VAR N 9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1450
MIXING HGT(FT-AGL/MSL) 3500 4750
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 38500 57000
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 51F/9AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 24 FAIR 7 POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 45 GEN GOOD 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 7 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-250900-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-7) 68 (+5) 44 68
RH % (24H TREND) 99 (+13) 49 (+1) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1440
MIXING HGT(FT-AGL/MSL) 3450 4710
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 37950 61230
CATEGORY DAY 3 4
INVERSION 6PM 53F/10AM 7PM 50F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 25 FAIR 5 VERY POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-250900-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-10) 68 (+3) 45 69
RH % (24H TREND) 100 (+18) 52 (+1) 99 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1020 1480
MIXING HGT(FT-AGL/MSL) 3340 4850
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 36740 53350
CATEGORY DAY 3 4
INVERSION 6PM 52F/10AM 7PM 50F/9AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 22 FAIR 5 VERY POOR 21 FAIR
MAX ADI LATE 3 VERY POOR 49 GEN GOOD 4 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-250900-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (-8) 67 (+5) 43 68
RH % (24H TREND) 97 (+10) 46 (-6) 99 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 990 1350
MIXING HGT(FT-AGL/MSL) 3260 4420
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 35860 53040
CATEGORY DAY 3 4
INVERSION 7PM 52F/10AM 7PM 48F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 5 VERY POOR 25 FAIR
MAX ADI LATE 4 VERY POOR 49 GEN GOOD 4 VERY POOR 70 GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-250900-
INDIANA-
INCLUDING THE CITY OF INDIANA
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 40 (-5) 68 (+4) 46 68
RH % (24H TREND) 100 (+4) 53 (+5) 99 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1100 1440
MIXING HGT(FT-AGL/MSL) 3600 4730
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 39600 61490
CATEGORY DAY 3 4
INVERSION 6PM 54F/10AM 7PM 52F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 5 VERY POOR 36 FAIR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 7 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-250900-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-5) 67 (+4) 45 67
RH % (24H TREND) 99 (+5) 50 (+3) 100 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1080 1510
MIXING HGT(FT-AGL/MSL) 3550 4940
TRANSPORT WND (MPH) N 13 N 15
VENT RATE (KT-FT) 39050 64220
CATEGORY DAY 3 4
INVERSION 6PM 53F/10AM 7PM 51F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 5 VERY POOR 32 FAIR
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 4 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 1 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-250900-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-8) 68 (+4) 47 69
RH % (24H TREND) 96 (+13) 46 (-4) 100 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 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) 1140 1400
MIXING HGT(FT-AGL/MSL) 3750 4610
TRANSPORT WND (MPH) N 14 N 14
VENT RATE (KT-FT) 45000 55320
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 24 FAIR 8 POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 61 GOOD 5 VERY POOR 74 GOOD
MAX LVORI EARLY 4 6 5 8
MAX LVORI LATE 6 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-250900-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 42 (-9) 68 (+3) 47 70
RH % (24H TREND) 96 (+15) 46 (-6) 99 52
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 6 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) 1100 1440
MIXING HGT(FT-AGL/MSL) 3590 4730
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 39490 56760
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 23 FAIR 5 VERY POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 55 GEN GOOD 5 VERY POOR 75 GOOD
MAX LVORI EARLY 4 5 5 8
MAX LVORI LATE 6 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-250900-
OHIO-
INCLUDING THE CITY OF WHEELING
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 41 (-10) 68 (+3) 47 70
RH % (24H TREND) 97 (+15) 47 (-4) 100 53
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1060 1440
MIXING HGT(FT-AGL/MSL) 3490 4710
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 38390 51810
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 57F/10AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 25 FAIR 5 VERY POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 69 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-250900-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 42 (-10) 69 (+4) 46 71
RH % (24H TREND) 98 (+6) 49 (-6) 100 56
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1040 1400
MIXING HGT(FT-AGL/MSL) 3430 4580
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 37730 50380
CATEGORY DAY 3 4
INVERSION 7PM 53F/10AM 7PM 56F/10AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 24 FAIR 5 VERY POOR 24 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 5 VERY POOR 66 GOOD
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-250900-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR 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) 42 (-10) 69 (+4) 46 71
RH % (24H TREND) 95 (-4) 50 (-7) 100 56
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1020 1380
MIXING HGT(FT-AGL/MSL) 3350 4530
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 36850 45300
CATEGORY DAY 3 3
INVERSION 7PM 53F/10AM 7PM 50F/9AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 24 FAIR 4 VERY POOR 22 FAIR
MAX ADI LATE 5 VERY POOR 52 GEN GOOD 4 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 4 5 6 8
MAX LVORI LATE 6 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-250900-
MARION-
INCLUDING THE CITY OF FAIRMONT
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-11) 67 (+2) 44 69
RH % (24H TREND) 99 (+5) 51 (-4) 100 58
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1000 1300
MIXING HGT(FT-AGL/MSL) 3280 4270
TRANSPORT WND (MPH) N 13 N 12
VENT RATE (KT-FT) 36080 42700
CATEGORY DAY 3 3
INVERSION 6PM 52F/10AM 7PM 49F/9AM
DISPERSION 3 3
MAX ADI EARLY 6 VERY POOR 21 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 4 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 6 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-250900-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 40 (-10) 67 (+2) 44 69
RH % (24H TREND) 100 (+12) 52 (-2) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 1000 1320
MIXING HGT(FT-AGL/MSL) 3300 4340
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 36300 47740
CATEGORY DAY 3 3
INVERSION 6PM 52F/10AM 7PM 49F/9AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 22 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 3 VERY POOR 51 GEN GOOD 4 VERY POOR 64 GOOD
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 7 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-250900-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (-10) 65 (+3) 42 66
RH % (24H TREND) 96 (+4) 52 (-3) 100 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 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) 960 1260
MIXING HGT(FT-AGL/MSL) 3130 4130
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 34430 45430
CATEGORY DAY 3 3
INVERSION 7PM 50F/10AM 7PM 47F/9AM
DISPERSION 3 3
MAX ADI EARLY 4 VERY POOR 24 FAIR 5 VERY POOR 22 FAIR
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 2 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-250900-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-9) 68 (+5) 42 68
RH % (24H TREND) 95 (+5) 45 (-9) 100 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1250
MIXING HGT(FT-AGL/MSL) 3460 4080
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 38060 44880
CATEGORY DAY 3 3
INVERSION 7PM 52F/10AM 7PM 48F/9AM
DISPERSION 3 3
MAX ADI EARLY 4 VERY POOR 26 FAIR 5 VERY POOR 23 FAIR
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 1 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-250900-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER CLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 38 (-8) 68 (+8) 42 67
RH % (24H TREND) 95 (0) 43 (-17) 100 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR N 5 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1230
MIXING HGT(FT-AGL/MSL) 3460 4030
TRANSPORT WND (MPH) N 13 N 14
VENT RATE (KT-FT) 38060 48360
CATEGORY DAY 3 3
INVERSION 7PM 51F/10AM 7PM 47F/9AM
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 31 FAIR 5 VERY POOR 29 FAIR
MAX ADI LATE 5 VERY POOR 52 GEN GOOD 4 VERY POOR 63 GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 1 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-250900-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 39 (-8) 69 (+6) 42 69
RH % (24H TREND) 93 (+2) 37 (-16) 98 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1090 1140
MIXING HGT(FT-AGL/MSL) 3570 3740
TRANSPORT WND (MPH) N 13 N 13
VENT RATE (KT-FT) 39270 41140
CATEGORY DAY 3 3
INVERSION 7PM 51F/10AM 7PM 47F/9AM
DISPERSION 3 3
MAX ADI EARLY 4 VERY POOR 31 FAIR 5 VERY POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 54 GEN GOOD 3 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 5 5 6 8
MAX LVORI LATE 6 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-250900-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
131 PM EDT THU SEP 24 2026
TONIGHT FRI FRI NIGHT SAT
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) 36 (-7) 65 (+9) 40 65
RH % (24H TREND) 93 (-4) 37 (-28) 95 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6 G19
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1040 1180
MIXING HGT(FT-AGL/MSL) 3420 3870
TRANSPORT WND (MPH) N 14 N 16
VENT RATE (KT-FT) 41040 54180
CATEGORY DAY 3 4
INVERSION 7PM 49F/10AM 7PM 47F/9AM
DISPERSION 3 4
MAX ADI EARLY 6 VERY POOR 32 FAIR 5 VERY POOR 39 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 4 VERY POOR 69 GOOD
MAX LVORI EARLY 5 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.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHWEST WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 50. 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.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
LUPO
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