828
FNUS51 KPBZ 120715
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
315 AM EDT SAT SEP 12 2026
DISCUSSION
MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS THROUGH THE WEEKEND,
ALONG WITH ALREADY WET SOIL AND ELEVATED RELATIVE HUMIDITY LEVELS,
WILL CONTINUE TO KEEP ANY FIRE WEATHER CONCERNS AT BAY. A PERIOD
OF DRIER WEATHER RETURNS EARLY NEXT WEEK.
OHZ039-122015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 80 (0) 64 (+1) 81
RH % (24H TREND) 78 (+24) 100 (+4) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.40 0.30 0.01
PRECIP DURATION 5 4 0
PRECIP BEGIN 9 AM CONTINUING 4 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 730 1510
MIXING HGT(FT-AGL/MSL)2400 4960
TRANSPORT WND (MPH) W 8 W 12
VENT RATE (KT-FT) 16800 49600
CATEGORY DAY 2 3
INVERSION 76F/11AM 6PM 69F/9AM
DISPERSION 2 3
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 16 GEN POOR 3 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-122015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 80 (0) 64 (+2) 81
RH % (24H TREND) 78 (+25) 100 (+8) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.38 0.28 0.01
PRECIP DURATION 4 5 0
PRECIP BEGIN 10 AM CONTINUING 4 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 760 1540
MIXING HGT(FT-AGL/MSL)2490 5060
TRANSPORT WND (MPH) SW 8 W 12
VENT RATE (KT-FT) 17430 50600
CATEGORY DAY 2 3
INVERSION 72F/10AM 6PM 68F/9AM
DISPERSION 2 3
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 17 GEN POOR 4 VERY POOR 64 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-122015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 0
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 80 (+1) 64 (+3) 81
RH % (24H TREND) 75 (+22) 100 (+7) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.32 0.29 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 750 1550
MIXING HGT(FT-AGL/MSL)2440 5070
TRANSPORT WND (MPH) SW 8 W 13
VENT RATE (KT-FT) 17080 55770
CATEGORY DAY 2 4
INVERSION 71F/10AM 6PM 68F/9AM
DISPERSION 2 4
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 16 GEN POOR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 69 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-122015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 79 (-1) 63 (0) 81
RH % (24H TREND) 82 (+25) 100 (+2) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.39 0.22 0.01
PRECIP DURATION 5 3 1
PRECIP BEGIN 8 AM CONTINUING 3 PM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 720 1510
MIXING HGT(FT-AGL/MSL)2350 4940
TRANSPORT WND (MPH) W 8 W 12
VENT RATE (KT-FT) 16450 49400
CATEGORY DAY 2 3
INVERSION 75F/11AM 6PM 72F/10AM
DISPERSION 2 3
MAX ADI EARLY 10 POOR 3 VERY POOR 16 GEN POOR
MAX ADI LATE 16 GEN POOR 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 8 10 9
MAX LVORI LATE 5 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-122015-
HARRISON-
INCLUDING THE CITY OF CADIZ
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 80 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (+1) 64 (+1) 81
RH % (24H TREND) 76 (+21) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.34 0.27 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 800 1420
MIXING HGT(FT-AGL/MSL)2630 4670
TRANSPORT WND (MPH) SW 7 W 12
VENT RATE (KT-FT) 15780 46700
CATEGORY DAY 2 3
INVERSION 73F/10AM 6PM 68F/9AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 19 GEN POOR 3 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-122015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (0) 65 (+2) 81
RH % (24H TREND) 72 (+20) 100 (+3) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.36 0.38 0.00
PRECIP DURATION 4 6
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 920 1460
MIXING HGT(FT-AGL/MSL)3010 4790
TRANSPORT WND (MPH) SW 8 W 12
VENT RATE (KT-FT) 21070 47900
CATEGORY DAY 2 3
INVERSION 73F/10AM 6PM 69F/9AM
DISPERSION 2 3
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 22 FAIR 3 VERY POOR 61 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-122015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 100 90 0
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 80 (-1) 64 (0) 82
RH % (24H TREND) 80 (+21) 100 (+1) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.43 0.25 0.00
PRECIP DURATION 4 4
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 770 1390
MIXING HGT(FT-AGL/MSL)2530 4550
TRANSPORT WND (MPH) W 6 W 10
VENT RATE (KT-FT) 12650 40950
CATEGORY DAY 2 3
INVERSION 74F/10AM 6PM 73F/10AM
DISPERSION 2 3
MAX ADI EARLY 10 POOR 3 VERY POOR 12 POOR
MAX ADI LATE 14 GEN POOR 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 5 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-122015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 90 0
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 81 (0) 65 (+1) 82
RH % (24H TREND) 75 (+18) 100 (+2) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.41 0.34 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 800 1430
MIXING HGT(FT-AGL/MSL)2620 4680
TRANSPORT WND (MPH) SW 6 W 10
VENT RATE (KT-FT) 13100 42120
CATEGORY DAY 2 3
INVERSION 75F/10AM 6PM 72F/10AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 16 GEN POOR 3 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-122015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+1) 65 (+1) 82
RH % (24H TREND) 72 (+16) 100 (+2) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.27 0.31 0.00
PRECIP DURATION 3 5
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 940 1210
MIXING HGT(FT-AGL/MSL)3100 3960
TRANSPORT WND (MPH) SW 8 W 10
VENT RATE (KT-FT) 21700 35640
CATEGORY DAY 2 3
INVERSION 75F/10AM 6PM 72F/10AM
DISPERSION 2 3
MAX ADI EARLY 23 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-122015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (0) 65 (0) 83
RH % (24H TREND) 75 (+14) 100 (+1) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.52 0.51 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 860 1270
MIXING HGT(FT-AGL/MSL)2830 4160
TRANSPORT WND (MPH) S 7 W 9
VENT RATE (KT-FT) 16980 33280
CATEGORY DAY 2 3
INVERSION 76F/10AM 6PM 73F/10AM
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 11 POOR
MAX ADI LATE 17 GEN POOR 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 5 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-122015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (0) 65 (0) 83
RH % (24H TREND) 72 (+16) 100 (+1) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.35 0.40 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 930 1160
MIXING HGT(FT-AGL/MSL)3060 3800
TRANSPORT WND (MPH) S 9 W 9
VENT RATE (KT-FT) 24480 30400
CATEGORY DAY 2 3
INVERSION 76F/10AM 6PM 72F/10AM
DISPERSION 2 3
MAX ADI EARLY 21 FAIR 4 VERY POOR 10 POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-122015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 70 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 80 (+1) 63 (+4) 80
RH % (24H TREND) 75 (+26) 100 (+7) 67
WIND 20FT/EARLY(MPH) SE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR W 7
PRECIP AMOUNT 0.20 0.39 0.02
PRECIP DURATION 3 4 1
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 760 1420
MIXING HGT(FT-AGL/MSL)2490 4670
TRANSPORT WND (MPH) S 12 W 13
VENT RATE (KT-FT) 24900 51370
CATEGORY DAY 2 4
INVERSION 71F/10AM 5PM 68F/9AM
DISPERSION 2 4
MAX ADI EARLY 26 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 25 FAIR 5 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 5 9 9
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-122015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 90 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 79 (+2) 63 (+6) 79
RH % (24H TREND) 77 (+26) 100 (+5) 71
WIND 20FT/EARLY(MPH) SE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 6
PRECIP AMOUNT 0.37 0.66 0.01
PRECIP DURATION 3 7 0
PRECIP BEGIN 12 PM CONTINUING 3 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 800 1300
MIXING HGT(FT-AGL/MSL)2630 4280
TRANSPORT WND (MPH) S 13 W 13
VENT RATE (KT-FT) 28930 47080
CATEGORY DAY 3 3
INVERSION 68F/10AM 6PM 66F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 28 FAIR 4 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-122015-
FOREST-
INCLUDING THE CITY OF TIONESTA
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 100 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 78 (+2) 62 (+7) 79
RH % (24H TREND) 73 (+23) 100 (+6) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.48 1.24 0.01
PRECIP DURATION 3 7 1
PRECIP BEGIN 1 PM CONTINUING 3 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 740 1160
MIXING HGT(FT-AGL/MSL)2440 3820
TRANSPORT WND (MPH) S 14 W 12
VENT RATE (KT-FT) 29280 38200
CATEGORY DAY 3 3
INVERSION 64F/9AM 6PM 68F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 5 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-122015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 80 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 81 (+1) 63 (+3) 82
RH % (24H TREND) 74 (+25) 100 (+6) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 6
PRECIP AMOUNT 0.28 0.33 0.01
PRECIP DURATION 3 6 0
PRECIP BEGIN 12 PM CONTINUING 4 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 780 1540
MIXING HGT(FT-AGL/MSL)2550 5060
TRANSPORT WND (MPH) S 10 W 13
VENT RATE (KT-FT) 22950 55660
CATEGORY DAY 2 4
INVERSION 72F/10AM 5PM 68F/9AM
DISPERSION 2 4
MAX ADI EARLY 22 FAIR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 73 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-122015-
BUTLER-
INCLUDING THE CITY OF BUTLER
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 90 0
CHANCE OF THUNDER (%) 50 40 0
TEMP (24H TREND) 82 (+2) 63 (+4) 81
RH % (24H TREND) 75 (+23) 100 (+5) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 6
PRECIP AMOUNT 0.52 0.71 0.00
PRECIP DURATION 3 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 850 1430
MIXING HGT(FT-AGL/MSL)2780 4710
TRANSPORT WND (MPH) S 10 W 13
VENT RATE (KT-FT) 25020 51810
CATEGORY DAY 3 4
INVERSION 71F/10AM 6PM 67F/9AM
DISPERSION 3 4
MAX ADI EARLY 25 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 65 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-122015-
CLARION-
INCLUDING THE CITY OF CLARION
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 81 (+3) 63 (+6) 80
RH % (24H TREND) 73 (+23) 100 (+7) 67
WIND 20FT/EARLY(MPH) SE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 5
PRECIP AMOUNT 0.75 1.25 0.00
PRECIP DURATION 3 7 0
PRECIP BEGIN 1 PM CONTINUING 3 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 770 1260
MIXING HGT(FT-AGL/MSL)2540 4140
TRANSPORT WND (MPH) S 13 W 12
VENT RATE (KT-FT) 27940 41400
CATEGORY DAY 3 3
INVERSION 65F/9AM 6PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 28 FAIR 4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-122015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 79 (+2) 63 (+6) 78
RH % (24H TREND) 75 (+25) 100 (+6) 68
WIND 20FT/EARLY(MPH) SE 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR W 6
PRECIP AMOUNT 0.60 1.62 0.01
PRECIP DURATION 2 8 0
PRECIP BEGIN 1 PM CONTINUING 4 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 650 1070
MIXING HGT(FT-AGL/MSL)2130 3500
TRANSPORT WND (MPH) S 13 W 13
VENT RATE (KT-FT) 23430 38500
CATEGORY DAY 2 3
INVERSION 65F/9AM 6PM 68F/10AM
DISPERSION 2 3
MAX ADI EARLY 27 FAIR 6 VERY POOR 16 GEN POOR
MAX ADI LATE 28 FAIR 4 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 5 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-122015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+1) 64 (+3) 81
RH % (24H TREND) 72 (+22) 100 (+5) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.37 0.43 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 940 1540
MIXING HGT(FT-AGL/MSL)3100 5050
TRANSPORT WND (MPH) SW 10 W 12
VENT RATE (KT-FT) 27900 50500
CATEGORY DAY 3 3
INVERSION 72F/10AM 6PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 70 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-122015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 84 (+2) 65 (+3) 82
RH % (24H TREND) 70 (+19) 100 (+5) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 6
PRECIP AMOUNT 0.53 0.70 0.00
PRECIP DURATION 3 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1060 1340
MIXING HGT(FT-AGL/MSL)3470 4380
TRANSPORT WND (MPH) S 10 W 12
VENT RATE (KT-FT) 31230 43800
CATEGORY DAY 3 3
INVERSION 73F/10AM 6PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 26 FAIR 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-122015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+3) 63 (+4) 81
RH % (24H TREND) 75 (+21) 100 (+2) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 6
PRECIP AMOUNT 0.74 1.33 0.00
PRECIP DURATION 3 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 800 1260
MIXING HGT(FT-AGL/MSL)2640 4120
TRANSPORT WND (MPH) S 12 W 12
VENT RATE (KT-FT) 26400 41200
CATEGORY DAY 3 3
INVERSION 68F/9AM 5PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 23 FAIR 5 VERY POOR 14 GEN POOR
MAX ADI LATE 25 FAIR 4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-122015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+1) 65 (+2) 81
RH % (24H TREND) 72 (+17) 100 (+4) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 6
PRECIP AMOUNT 0.33 0.41 0.00
PRECIP DURATION 4 6
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1080 1270
MIXING HGT(FT-AGL/MSL)3560 4170
TRANSPORT WND (MPH) S 9 W 10
VENT RATE (KT-FT) 28480 37530
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 69F/9AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 29 FAIR 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-122015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+2) 65 (+1) 81
RH % (24H TREND) 71 (+11) 100 (+3) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 5
PRECIP AMOUNT 0.38 0.50 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1140 1220
MIXING HGT(FT-AGL/MSL)3740 4020
TRANSPORT WND (MPH) S 10 W 10
VENT RATE (KT-FT) 33660 36180
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-122015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+2) 65 (+3) 81
RH % (24H TREND) 72 (+17) 100 (+3) 70
WIND 20FT/EARLY(MPH) SE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR W 7
PRECIP AMOUNT 0.53 1.03 0.00
PRECIP DURATION 3 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 910 1170
MIXING HGT(FT-AGL/MSL)2970 3830
TRANSPORT WND (MPH) S 12 W 10
VENT RATE (KT-FT) 29700 34470
CATEGORY DAY 3 3
INVERSION 70F/9AM 6PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 34 FAIR 4 VERY POOR 40 FAIR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-122015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+3) 63 (+2) 81
RH % (24H TREND) 68 (+11) 100 (+3) 68
WIND 20FT/EARLY(MPH) SE 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 6 LGT/VAR W 6
PRECIP AMOUNT 0.29 1.21 0.01
PRECIP DURATION 3 7 0
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 850 1130
MIXING HGT(FT-AGL/MSL)2780 3720
TRANSPORT WND (MPH) S 14 W 12
VENT RATE (KT-FT) 33360 37200
CATEGORY DAY 3 3
INVERSION 71F/10AM 6PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 6 VERY POOR 13 GEN POOR
MAX ADI LATE 31 FAIR 4 VERY POOR 40 FAIR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-122015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 100 20
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+2) 65 (0) 81
RH % (24H TREND) 70 (+14) 100 (+6) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR W 5
PRECIP AMOUNT 0.26 0.87 0.01
PRECIP DURATION 3 6 1
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1000 1200
MIXING HGT(FT-AGL/MSL)3280 3940
TRANSPORT WND (MPH) S 9 W 10
VENT RATE (KT-FT) 26240 35460
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 28 FAIR 6 VERY POOR 13 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-122015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 100 30
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+4) 62 (0) 80
RH % (24H TREND) 67 (+8) 100 (+3) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.25 1.01 0.02
PRECIP DURATION 3 8 1
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 990 1080
MIXING HGT(FT-AGL/MSL)3230 3550
TRANSPORT WND (MPH) S 12 W 12
VENT RATE (KT-FT) 32300 35500
CATEGORY DAY 3 3
INVERSION 68F/9AM 6PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 34 FAIR 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-122015-
INDIANA-
INCLUDING THE CITY OF INDIANA
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+3) 63 (+4) 81
RH % (24H TREND) 74 (+20) 100 (+3) 71
WIND 20FT/EARLY(MPH) SE 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR W 6
PRECIP AMOUNT 0.48 1.69 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 810 1170
MIXING HGT(FT-AGL/MSL)2650 3850
TRANSPORT WND (MPH) S 14 W 13
VENT RATE (KT-FT) 31800 42350
CATEGORY DAY 3 3
INVERSION 68F/9AM 6PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 7 POOR 14 GEN POOR
MAX ADI LATE 28 FAIR 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-122015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 60 100 30
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 80 (+1) 63 (+4) 80
RH % (24H TREND) 73 (+19) 100 (0) 70
WIND 20FT/EARLY(MPH) SE 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 6 LGT/VAR W 6
PRECIP AMOUNT 0.26 1.55 0.02
PRECIP DURATION 2 7 0
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 1130
MIXING HGT(FT-AGL/MSL)2630 3690
TRANSPORT WND (MPH) S 15 W 12
VENT RATE (KT-FT) 34190 36900
CATEGORY DAY 3 3
INVERSION 68F/9AM 6PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 7 POOR 13 GEN POOR
MAX ADI LATE 33 FAIR 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-122015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 81 (0) 65 (+3) 81
RH % (24H TREND) 74 (+22) 100 (+4) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.36 0.46 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 940 1490
MIXING HGT(FT-AGL/MSL)3090 4900
TRANSPORT WND (MPH) SW 8 W 12
VENT RATE (KT-FT) 21630 49000
CATEGORY DAY 2 3
INVERSION 72F/10AM 6PM 68F/9AM
DISPERSION 2 3
MAX ADI EARLY 24 FAIR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 23 FAIR 3 VERY POOR 68 GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-122015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (+1) 66 (+3) 82
RH % (24H TREND) 71 (+20) 100 (+7) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.33 0.34 0.00
PRECIP DURATION 4 6
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1010 1190
MIXING HGT(FT-AGL/MSL)3310 3910
TRANSPORT WND (MPH) S 9 W 10
VENT RATE (KT-FT) 26480 35190
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 14 GEN POOR
MAX ADI LATE 23 FAIR 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-122015-
OHIO-
INCLUDING THE CITY OF WHEELING
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (0) 65 (+1) 81
RH % (24H TREND) 73 (+21) 100 (+4) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR W 5
PRECIP AMOUNT 0.24 0.33 0.00
PRECIP DURATION 3 5
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1010 1240
MIXING HGT(FT-AGL/MSL)3330 4070
TRANSPORT WND (MPH) S 9 W 10
VENT RATE (KT-FT) 26640 36630
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-122015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 84 (+2) 66 (+1) 82
RH % (24H TREND) 74 (+16) 100 (+3) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.41 0.46 0.00
PRECIP DURATION 3 5
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1030 1220
MIXING HGT(FT-AGL/MSL)3380 3990
TRANSPORT WND (MPH) S 9 W 9
VENT RATE (KT-FT) 27040 31920
CATEGORY DAY 3 3
INVERSION 75F/10AM 6PM 72F/10AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 5 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-122015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 100 0
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 82 (0) 65 (0) 82
RH % (24H TREND) 75 (+13) 100 (+2) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.44 0.53 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1090 1040
MIXING HGT(FT-AGL/MSL)3570 3420
TRANSPORT WND (MPH) S 10 W 9
VENT RATE (KT-FT) 32130 27360
CATEGORY DAY 3 3
INVERSION 75F/10AM 6PM 73F/11AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 4 VERY POOR 11 POOR
MAX ADI LATE 35 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-122015-
MARION-
INCLUDING THE CITY OF FAIRMONT
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 100 0
CHANCE OF THUNDER (%) 50 40 0
TEMP (24H TREND) 82 (+1) 64 (-1) 80
RH % (24H TREND) 75 (+10) 100 (+1) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.42 0.72 0.00
PRECIP DURATION 3 7
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1080 1030
MIXING HGT(FT-AGL/MSL)3550 3390
TRANSPORT WND (MPH) S 12 W 9
VENT RATE (KT-FT) 35500 27120
CATEGORY DAY 3 3
INVERSION 75F/10AM 6PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 11 POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 8 10 9
MAX LVORI LATE 5 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-122015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 100 20
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 83 (+2) 65 (0) 80
RH % (24H TREND) 72 (+8) 100 (+3) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.35 0.70 0.01
PRECIP DURATION 3 6 0
PRECIP BEGIN 12 PM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM 1 PM
MIXING HGT(M-AGL/MSL) 1170 1090
MIXING HGT(FT-AGL/MSL)3830 3580
TRANSPORT WND (MPH) S 10 W 10
VENT RATE (KT-FT) 34470 32220
CATEGORY DAY 3 3
INVERSION 76F/10AM 6PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 23 FAIR 5 VERY POOR 11 POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 36 FAIR
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 5 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-122015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 20
CHANCE OF THUNDER (%) 50 40 20
TEMP (24H TREND) 81 (+4) 63 (0) 77
RH % (24H TREND) 73 (+9) 100 (+2) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.29 0.79 0.02
PRECIP DURATION 3 8 1
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 PM
MIXING HGT(M-AGL/MSL) 1100 1020
MIXING HGT(FT-AGL/MSL)3610 3340
TRANSPORT WND (MPH) S 12 W 10
VENT RATE (KT-FT) 36100 30060
CATEGORY DAY 3 3
INVERSION 74F/10AM 6PM 70F/11AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 12 POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 26 FAIR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-122015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 30
CHANCE OF THUNDER (%) 50 50 20
TEMP (24H TREND) 82 (+3) 63 (0) 79
RH % (24H TREND) 69 (+8) 100 (+1) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.31 0.75 0.02
PRECIP DURATION 3 9 1
PRECIP BEGIN 12 PM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM 3 PM
MIXING HGT(M-AGL/MSL) 1150 950
MIXING HGT(FT-AGL/MSL)3780 3130
TRANSPORT WND (MPH) S 10 W 10
VENT RATE (KT-FT) 34020 28170
CATEGORY DAY 3 3
INVERSION 75F/10AM 6PM 69F/10AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 34 FAIR 3 VERY POOR 27 FAIR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-122015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 100 30
CHANCE OF THUNDER (%) 50 50 20
TEMP (24H TREND) 80 (+4) 63 (+2) 77
RH % (24H TREND) 72 (+5) 100 (+1) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.29 0.69 0.04
PRECIP DURATION 3 9 1
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 3 PM
MIXING HGT(M-AGL/MSL) 1170 910
MIXING HGT(FT-AGL/MSL)3840 2980
TRANSPORT WND (MPH) S 12 W 12
VENT RATE (KT-FT) 38400 29800
CATEGORY DAY 3 3
INVERSION 72F/10AM 6PM 68F/10AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 4 VERY POOR 15 GEN POOR
MAX ADI LATE 35 FAIR 4 VERY POOR 27 FAIR
MAX LVORI EARLY 7 9 9
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-122015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 90 40
CHANCE OF THUNDER (%) 50 40 20
TEMP (24H TREND) 82 (+4) 64 (+1) 79
RH % (24H TREND) 67 (-3) 100 (+2) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.57 0.02
PRECIP DURATION 2 8 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 5 PM
MIXING HGT(M-AGL/MSL) 1210 930
MIXING HGT(FT-AGL/MSL)3970 3040
TRANSPORT WND (MPH) S 12 W 12
VENT RATE (KT-FT) 39700 30400
CATEGORY DAY 3 3
INVERSION 72F/10AM 6PM 67F/10AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 47 GEN GOOD 4 VERY POOR 27 FAIR
MAX LVORI EARLY 6 10 9
MAX LVORI LATE 4 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-122015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
315 AM EDT SAT SEP 12 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 30
CHANCE OF THUNDER (%) 50 40 0
TEMP (24H TREND) 78 (+7) 58 (-2) 75
RH % (24H TREND) 78 (+1) 100 (0) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.11 0.34 0.01
PRECIP DURATION 2 7 1
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1000 1070
MIXING HGT(FT-AGL/MSL)3280 3500
TRANSPORT WND (MPH) S 13 W 13
VENT RATE (KT-FT) 36080 38500
CATEGORY DAY 3 3
INVERSION 66F/9AM 7PM 64F/9AM
DISPERSION 3 3
MAX ADI EARLY 23 FAIR 5 VERY POOR 19 GEN POOR
MAX ADI LATE 39 FAIR 6 VERY POOR 32 FAIR
MAX LVORI EARLY 7 9 8
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
CL
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