370
FNUS51 KPBZ 180439
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1239 AM EDT FRI SEP 18 2026
DISCUSSION
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND SOUTH
OF I-70 TODAY WITH THE SOUTH BEING WARM WITH HIGH HUMIDITY. THE
NORTH WILL SEE COOLER AND DRIER CONDITIONS. A WET AND ACTIVE
WEEKEND IS EXPECTED WITH RAIN ON SATURDAY AND SUNDAY.
OHZ039-182015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 56 (-10) 77
RH % (24H TREND) 59 (-15) 99 (0) 61
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 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) 1120 950
MIXING HGT(FT-AGL/MSL)3660 3110
TRANSPORT WND (MPH) N 10 S 7
VENT RATE (KT-FT) 32940 18660
CATEGORY DAY 3 2
INVERSION 66F/9AM 7PM 64F/10AM
DISPERSION 3 2
MAX ADI EARLY 23 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 43 GEN GOOD 4 VERY POOR 21 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-182015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 56 (-10) 76
RH % (24H TREND) 58 (-17) 99 (+1) 62
WIND 20FT/EARLY(MPH) LGT/VAR NE 6 LGT/VAR
WIND 20FT/LATE(MPH) N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 800
MIXING HGT(FT-AGL/MSL)3460 2620
TRANSPORT WND (MPH) N 9 SE 7
VENT RATE (KT-FT) 27680 15720
CATEGORY DAY 3 2
INVERSION 66F/9AM 7PM 60F/9AM
DISPERSION 3 2
MAX ADI EARLY 23 FAIR 8 POOR 16 GEN POOR
MAX ADI LATE 39 FAIR 5 VERY POOR 20 GEN POOR
MAX LVORI EARLY 6 7 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-182015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-6) 56 (-9) 76
RH % (24H TREND) 58 (-15) 99 (+1) 62
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1200 650
MIXING HGT(FT-AGL/MSL)3930 2130
TRANSPORT WND (MPH) N 9 SE 8
VENT RATE (KT-FT) 31440 14910
CATEGORY DAY 3 2
INVERSION 66F/9AM 7PM 60F/9AM
DISPERSION 3 2
MAX ADI EARLY 25 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 47 GEN GOOD 5 VERY POOR 18 GEN POOR
MAX LVORI EARLY 6 7 6
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-182015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 55 (-11) 77
RH % (24H TREND) 63 (-14) 100 (+1) 64
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) 1080 1030
MIXING HGT(FT-AGL/MSL)3540 3380
TRANSPORT WND (MPH) N 9 S 8
VENT RATE (KT-FT) 28320 23660
CATEGORY DAY 3 3
INVERSION 67F/9AM 7PM 69F/11AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 4 VERY POOR 11 POOR
MAX ADI LATE 43 GEN GOOD 4 VERY POOR 26 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-182015-
HARRISON-
INCLUDING THE CITY OF CADIZ
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-5) 56 (-10) 78
RH % (24H TREND) 60 (-14) 100 (+1) 60
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) 1100 1030
MIXING HGT(FT-AGL/MSL)3610 3370
TRANSPORT WND (MPH) N 8 S 7
VENT RATE (KT-FT) 25270 20220
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 65F/10AM
DISPERSION 3 2
MAX ADI EARLY 20 GEN POOR 4 VERY POOR 13 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 24 FAIR
MAX LVORI EARLY 7 9 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-182015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 56 (-10) 78
RH % (24H TREND) 59 (-15) 100 (0) 60
WIND 20FT/EARLY(MPH) LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1090 1010
MIXING HGT(FT-AGL/MSL)3590 3300
TRANSPORT WND (MPH) N 8 SE 7
VENT RATE (KT-FT) 25130 19800
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 61F/9AM
DISPERSION 3 2
MAX ADI EARLY 21 FAIR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 39 FAIR 4 VERY POOR 24 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-182015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-5) 56 (-12) 79
RH % (24H TREND) 66 (-6) 100 (+1) 61
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) 1010 1120
MIXING HGT(FT-AGL/MSL)3310 3680
TRANSPORT WND (MPH) NE 9 SW 7
VENT RATE (KT-FT) 26480 22080
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 70F/11AM
DISPERSION 3 2
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 10 POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 30 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-182015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-6) 57 (-10) 80
RH % (24H TREND) 62 (-9) 100 (+1) 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) 1100 1160
MIXING HGT(FT-AGL/MSL)3600 3810
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 25200 22860
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 67F/10AM
DISPERSION 3 2
MAX ADI EARLY 17 GEN POOR 5 VERY POOR 12 POOR
MAX ADI LATE 34 FAIR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-182015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-5) 58 (-9) 80
RH % (24H TREND) 63 (-9) 100 (0) 60
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) 1080 1150
MIXING HGT(FT-AGL/MSL)3550 3780
TRANSPORT WND (MPH) N 8 SW 8
VENT RATE (KT-FT) 24850 26460
CATEGORY DAY 3 3
INVERSION 68F/9AM 7PM 67F/10AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 13 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-182015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 10 0 0
TEMP (24H TREND) 78 (-5) 58 (-10) 80
RH % (24H TREND) 69 (0) 100 (+1) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 980 1210
MIXING HGT(FT-AGL/MSL)3230 3960
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 22610 23760
CATEGORY DAY 2 2
INVERSION 69F/9AM 7PM 68F/10AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 12 POOR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 9 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-182015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 10 0 0
TEMP (24H TREND) 78 (-5) 59 (-9) 81
RH % (24H TREND) 69 (0) 100 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 990 1280
MIXING HGT(FT-AGL/MSL)3250 4210
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 22750 25260
CATEGORY DAY 2 2
INVERSION 69F/9AM 7PM 68F/10AM
DISPERSION 2 2
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 11 POOR
MAX ADI LATE 24 FAIR 4 VERY POOR 33 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-182015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-2) 54 (-10) 74
RH % (24H TREND) 58 (-19) 99 (+1) 62
WIND 20FT/EARLY(MPH) N 5 N 5 E 5
WIND 20FT/LATE(MPH) N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 550
MIXING HGT(FT-AGL/MSL)4080 1810
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36720 14480
CATEGORY DAY 3 2
INVERSION 64F/9AM 7PM 62F/10AM
DISPERSION 3 2
MAX ADI EARLY 32 FAIR 9 POOR 20 GEN POOR
MAX ADI LATE 50 GEN GOOD 6 VERY POOR 20 GEN POOR
MAX LVORI EARLY 6 8 6
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-182015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-2) 52 (-11) 72
RH % (24H TREND) 59 (-22) 100 (+2) 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) 1230 610
MIXING HGT(FT-AGL/MSL)4040 2000
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36360 16000
CATEGORY DAY 3 2
INVERSION 62F/9AM 7PM 56F/9AM
DISPERSION 3 2
MAX ADI EARLY 28 FAIR 7 POOR 19 GEN POOR
MAX ADI LATE 49 GEN GOOD 5 VERY POOR 23 FAIR
MAX LVORI EARLY 7 8 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-182015-
FOREST-
INCLUDING THE CITY OF TIONESTA
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-1) 49 (-13) 72
RH % (24H TREND) 53 (-30) 100 (+2) 57
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) 1220 680
MIXING HGT(FT-AGL/MSL)4000 2230
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36000 17840
CATEGORY DAY 3 2
INVERSION 62F/9AM 7PM 54F/9AM
DISPERSION 3 2
MAX ADI EARLY 27 FAIR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 49 GEN GOOD 4 VERY POOR 24 FAIR
MAX LVORI EARLY 7 9 6
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-182015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 55 (-10) 76
RH % (24H TREND) 56 (-14) 99 (0) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 590
MIXING HGT(FT-AGL/MSL)4070 1920
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36630 15360
CATEGORY DAY 3 2
INVERSION 66F/9AM 7PM 63F/10AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 50 GEN GOOD 7 POOR 21 FAIR
MAX LVORI EARLY 6 9 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-182015-
BUTLER-
INCLUDING THE CITY OF BUTLER
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-2) 54 (-11) 75
RH % (24H TREND) 59 (-16) 100 (+2) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR E 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 650
MIXING HGT(FT-AGL/MSL)4060 2140
TRANSPORT WND (MPH) N 9 SE 10
VENT RATE (KT-FT) 32480 19260
CATEGORY DAY 3 2
INVERSION 66F/9AM 7PM 58F/9AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 46 GEN GOOD 7 POOR 21 FAIR
MAX LVORI EARLY 7 9 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-182015-
CLARION-
INCLUDING THE CITY OF CLARION
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-1) 52 (-12) 74
RH % (24H TREND) 54 (-26) 100 (+3) 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) 1220 700
MIXING HGT(FT-AGL/MSL)4010 2300
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36090 18400
CATEGORY DAY 3 2
INVERSION 64F/9AM 7PM 56F/9AM
DISPERSION 3 2
MAX ADI EARLY 22 FAIR 7 POOR 19 GEN POOR
MAX ADI LATE 49 GEN GOOD 5 VERY POOR 25 FAIR
MAX LVORI EARLY 7 8 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-182015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (0) 50 (-13) 73
RH % (24H TREND) 54 (-25) 99 (+2) 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) 1230 760
MIXING HGT(FT-AGL/MSL)4040 2490
TRANSPORT WND (MPH) N 10 SE 10
VENT RATE (KT-FT) 36360 22410
CATEGORY DAY 3 2
INVERSION 64F/9AM 7PM 55F/9AM
DISPERSION 3 2
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 18 GEN POOR
MAX ADI LATE 49 GEN GOOD 6 VERY POOR 29 FAIR
MAX LVORI EARLY 7 7 6
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-182015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 56 (-10) 76
RH % (24H TREND) 58 (-14) 99 (+1) 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 0.01
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 790
MIXING HGT(FT-AGL/MSL)4070 2600
TRANSPORT WND (MPH) N 10 SE 9
VENT RATE (KT-FT) 36630 20800
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 60F/9AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 6 VERY POOR 19 GEN POOR
MAX ADI LATE 47 GEN GOOD 5 VERY POOR 24 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-182015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-4) 57 (-10) 77
RH % (24H TREND) 62 (-11) 99 (+1) 62
WIND 20FT/EARLY(MPH) LGT/VAR N 5 E 5
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 930
MIXING HGT(FT-AGL/MSL)4060 3040
TRANSPORT WND (MPH) N 8 SE 9
VENT RATE (KT-FT) 28420 24320
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 61F/9AM
DISPERSION 3 2
MAX ADI EARLY 21 FAIR 4 VERY POOR 19 GEN POOR
MAX ADI LATE 38 FAIR 5 VERY POOR 26 FAIR
MAX LVORI EARLY 7 7 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-182015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-3) 54 (-11) 76
RH % (24H TREND) 60 (-15) 100 (+2) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR E 5
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) 1200 810
MIXING HGT(FT-AGL/MSL)3920 2650
TRANSPORT WND (MPH) N 9 SE 10
VENT RATE (KT-FT) 31360 23850
CATEGORY DAY 3 3
INVERSION 67F/9AM 7PM 58F/9AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 43 GEN GOOD 6 VERY POOR 29 FAIR
MAX LVORI EARLY 7 9 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-182015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 57 (-10) 77
RH % (24H TREND) 64 (-10) 99 (0) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1130 990
MIXING HGT(FT-AGL/MSL)3720 3240
TRANSPORT WND (MPH) N 8 S 8
VENT RATE (KT-FT) 26040 22680
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 61F/9AM
DISPERSION 3 2
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 26 FAIR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-182015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 58 (-9) 78
RH % (24H TREND) 73 (-4) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1100 1150
MIXING HGT(FT-AGL/MSL)3600 3780
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 25200 22680
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 66F/10AM
DISPERSION 3 2
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 30 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-182015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 56 (-11) 77
RH % (24H TREND) 66 (-8) 100 (+1) 63
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 LGT/VAR
WIND 20FT/LATE(MPH) N 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1120 980
MIXING HGT(FT-AGL/MSL)3670 3210
TRANSPORT WND (MPH) N 9 SE 9
VENT RATE (KT-FT) 29360 25680
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 65F/10AM
DISPERSION 3 2
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 19 GEN POOR
MAX ADI LATE 37 FAIR 4 VERY POOR 24 FAIR
MAX LVORI EARLY 8 9 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-182015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-1) 56 (-10) 76
RH % (24H TREND) 66 (-11) 100 (+1) 59
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) 1010 820
MIXING HGT(FT-AGL/MSL)3300 2700
TRANSPORT WND (MPH) N 8 SE 12
VENT RATE (KT-FT) 23100 27000
CATEGORY DAY 3 3
INVERSION 66F/9AM 7PM 59F/9AM
DISPERSION 3 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 21 FAIR
MAX ADI LATE 34 FAIR 5 VERY POOR 24 FAIR
MAX LVORI EARLY 8 9 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-182015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 59 (-9) 78
RH % (24H TREND) 71 (-2) 100 (+1) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1090 1070
MIXING HGT(FT-AGL/MSL)3590 3520
TRANSPORT WND (MPH) N 9 S 8
VENT RATE (KT-FT) 28720 24640
CATEGORY DAY 3 3
INVERSION 68F/9AM 7PM 63F/9AM
DISPERSION 3 3
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 36 FAIR 4 VERY POOR 28 FAIR
MAX LVORI EARLY 8 9 6
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-182015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-2) 55 (-11) 76
RH % (24H TREND) 70 (-5) 100 (0) 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) 940 950
MIXING HGT(FT-AGL/MSL)3080 3110
TRANSPORT WND (MPH) N 8 S 10
VENT RATE (KT-FT) 21560 27990
CATEGORY DAY 2 3
INVERSION 66F/9AM 7PM 59F/9AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 33 FAIR 5 VERY POOR 29 FAIR
MAX LVORI EARLY 9 9 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-182015-
INDIANA-
INCLUDING THE CITY OF INDIANA
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-2) 52 (-13) 75
RH % (24H TREND) 60 (-18) 100 (+2) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR E 5
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) 1220 830
MIXING HGT(FT-AGL/MSL)4000 2730
TRANSPORT WND (MPH) N 9 SE 12
VENT RATE (KT-FT) 32000 27300
CATEGORY DAY 3 3
INVERSION 67F/9AM 7PM 58F/9AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 21 FAIR
MAX ADI LATE 42 GEN GOOD 6 VERY POOR 26 FAIR
MAX LVORI EARLY 7 9 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-182015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-1) 53 (-12) 74
RH % (24H TREND) 63 (-16) 100 (+2) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR E 5
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) 1140 820
MIXING HGT(FT-AGL/MSL)3740 2700
TRANSPORT WND (MPH) N 9 SE 12
VENT RATE (KT-FT) 29920 27000
CATEGORY DAY 3 3
INVERSION 66F/9AM 7PM 58F/9AM
DISPERSION 3 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 23 FAIR
MAX ADI LATE 40 FAIR 6 VERY POOR 29 FAIR
MAX LVORI EARLY 8 9 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-182015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 57 (-9) 76
RH % (24H TREND) 59 (-16) 96 (-2) 62
WIND 20FT/EARLY(MPH) LGT/VAR N 5 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) 1150 830
MIXING HGT(FT-AGL/MSL)3790 2740
TRANSPORT WND (MPH) N 9 SE 8
VENT RATE (KT-FT) 30320 19180
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 61F/9AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 41 GEN GOOD 4 VERY POOR 24 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-182015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-4) 57 (-10) 78
RH % (24H TREND) 61 (-14) 99 (0) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1110 1050
MIXING HGT(FT-AGL/MSL)3650 3440
TRANSPORT WND (MPH) N 8 S 7
VENT RATE (KT-FT) 25550 20640
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 62F/9AM
DISPERSION 3 2
MAX ADI EARLY 21 FAIR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 38 FAIR 4 VERY POOR 27 FAIR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-182015-
OHIO-
INCLUDING THE CITY OF WHEELING
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-5) 58 (-9) 79
RH % (24H TREND) 66 (-1) 100 (+1) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1100 1130
MIXING HGT(FT-AGL/MSL)3600 3700
TRANSPORT WND (MPH) N 8 S 7
VENT RATE (KT-FT) 25200 22200
CATEGORY DAY 3 2
INVERSION 67F/9AM 7PM 62F/9AM
DISPERSION 3 2
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 34 FAIR 4 VERY POOR 28 FAIR
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-182015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-4) 59 (-8) 80
RH % (24H TREND) 72 (-3) 100 (0) 66
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) 1040 1240
MIXING HGT(FT-AGL/MSL)3430 4070
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 24010 24420
CATEGORY DAY 3 2
INVERSION 68F/9AM 7PM 67F/10AM
DISPERSION 3 2
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 13 GEN POOR
MAX ADI LATE 33 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 9 7 9
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-182015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-4) 60 (-8) 80
RH % (24H TREND) 76 (+2) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 970 1290
MIXING HGT(FT-AGL/MSL)3170 4230
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 22190 25380
CATEGORY DAY 2 2
INVERSION 69F/9AM 7PM 68F/10AM
DISPERSION 2 2
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 11 POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 34 FAIR
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-182015-
MARION-
INCLUDING THE CITY OF FAIRMONT
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 60 (-8) 79
RH % (24H TREND) 78 (+4) 100 (0) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1020 1260
MIXING HGT(FT-AGL/MSL)3330 4150
TRANSPORT WND (MPH) N 8 SW 7
VENT RATE (KT-FT) 23310 24900
CATEGORY DAY 3 2
INVERSION 70F/9AM 7PM 64F/9AM
DISPERSION 3 2
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-182015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 60 (-8) 78
RH % (24H TREND) 75 (0) 100 (0) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1020 1240
MIXING HGT(FT-AGL/MSL)3360 4050
TRANSPORT WND (MPH) N 9 SW 8
VENT RATE (KT-FT) 26880 28350
CATEGORY DAY 3 3
INVERSION 69F/9AM 7PM 63F/9AM
DISPERSION 3 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 34 FAIR
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-182015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-3) 57 (-9) 75
RH % (24H TREND) 77 (-3) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 860 1150
MIXING HGT(FT-AGL/MSL)2820 3790
TRANSPORT WND (MPH) N 9 SW 8
VENT RATE (KT-FT) 22560 26530
CATEGORY DAY 2 3
INVERSION 67F/9AM 7PM 61F/9AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 31 FAIR 5 VERY POOR 34 FAIR
MAX LVORI EARLY 9 9 7
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-182015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-2) 57 (-9) 77
RH % (24H TREND) 75 (-1) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 900 1060
MIXING HGT(FT-AGL/MSL)2960 3480
TRANSPORT WND (MPH) N 8 SW 8
VENT RATE (KT-FT) 20720 24360
CATEGORY DAY 2 3
INVERSION 68F/9AM 7PM 61F/9AM
DISPERSION 2 3
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 30 FAIR 4 VERY POOR 29 FAIR
MAX LVORI EARLY 9 9 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-182015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-1) 56 (-10) 76
RH % (24H TREND) 77 (-5) 100 (0) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 900 970
MIXING HGT(FT-AGL/MSL)2950 3180
TRANSPORT WND (MPH) NW 8 SW 9
VENT RATE (KT-FT) 20650 25440
CATEGORY DAY 2 2
INVERSION 67F/9AM 7PM 59F/9AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 29 FAIR 6 VERY POOR 27 FAIR
MAX LVORI EARLY 9 9 7
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-182015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (0) 59 (-7) 78
RH % (24H TREND) 74 (-6) 100 (0) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.01 0.00
PRECIP DURATION 2 0 1
PRECIP BEGIN 6 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 810 870
MIXING HGT(FT-AGL/MSL)2660 2870
TRANSPORT WND (MPH) NW 8 SW 8
VENT RATE (KT-FT) 18620 20090
CATEGORY DAY 2 2
INVERSION 67F/9AM 7PM 61F/9AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 16 GEN POOR
MAX ADI LATE 24 FAIR 4 VERY POOR 25 FAIR
MAX LVORI EARLY 8 10 9
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-182015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1239 AM EDT FRI SEP 18 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 73 (-2) 55 (-9) 72
RH % (24H TREND) 83 (-2) 100 (0) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 2 1 0
PRECIP BEGIN 6 AM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 750 780
MIXING HGT(FT-AGL/MSL)2460 2550
TRANSPORT WND (MPH) NW 9 S 10
VENT RATE (KT-FT) 19680 22950
CATEGORY DAY 2 2
INVERSION 67F/9AM 7PM 58F/9AM
DISPERSION 2 2
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 23 FAIR 5 VERY POOR 28 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS AROUND 70. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 60S. EAST WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. EAST WINDS 15 TO 20 MPH.
SHALLENBERGER
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