884
FNUS51 KPBZ 230505
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
105 AM EDT THU APR 23 2026
DISCUSSION
A STALLED FRONT WILL BRING ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS TO PORTIONS OF THE REGION TODAY, MAINLY SOUTH AND
WEST OF PITTSBURGH. SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED ON FRIDAY AS THE FRONT MOVES NORTH AS A WARM FRONT. MORE
WIDESPREAD SHOWERS AND POSSIBLE THUNDERSTORMS ARE EXPECTED FRIDAY
NIGHT INTO SATURDAY WITH THE APPROACH AND PASSAGE OF A COLD FRONT.
MINIMUM RH LEVELS ARE EXPECTED TO BE BETWEEN 25 AND 35 PERCENT
NORTH OF INTERSTATE 80 THIS AFTERNOON, WITH DRY AIR IN PLACE NORTH
OF THE STALLED FRONT.
OHZ039-232015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-1) 55 (-1) 81
RH % (24H TREND) 49 (+12) 86 (-7) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1460 2350
MIXING HGT(FT-AGL/MSL)4780 7720
TRANSPORT WND (MPH) W 8 SW 22
VENT RATE (KT-FT) 33460 146680
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 67F/10AM
DISPERSION 3 5
MAX ADI EARLY 12 POOR 4 VERY POOR 47 GEN GOOD
MAX ADI LATE 48 GEN GOOD 4 VERY POOR 163 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-232015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 76 (0) 55 (0) 80
RH % (24H TREND) 49 (+12) 86 (-6) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1520 2110
MIXING HGT(FT-AGL/MSL)4990 6910
TRANSPORT WND (MPH) W 8 W 20
VENT RATE (KT-FT) 34930 117470
CATEGORY DAY 3 5
INVERSION 65F/10AM 8PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 10 POOR 4 VERY POOR 48 GEN GOOD
MAX ADI LATE 50 GEN GOOD 4 VERY POOR 140 VERY GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-232015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (+1) 55 (+1) 80
RH % (24H TREND) 43 (+9) 87 (-4) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1630 2110
MIXING HGT(FT-AGL/MSL)5360 6920
TRANSPORT WND (MPH) W 8 W 21
VENT RATE (KT-FT) 37520 124560
CATEGORY DAY 3 5
INVERSION 65F/10AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 9 POOR 4 VERY POOR 64 GOOD
MAX ADI LATE 53 GEN GOOD 4 VERY POOR 146 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-232015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 78 (+1) 54 (-2) 81
RH % (24H TREND) 48 (+7) 87 (-9) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 3 PM 4 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2340
MIXING HGT(FT-AGL/MSL)4920 7680
TRANSPORT WND (MPH) W 9 SW 24
VENT RATE (KT-FT) 39360 161280
CATEGORY DAY 3 5
INVERSION 66F/10AM 8PM 67F/10AM
DISPERSION 3 5
MAX ADI EARLY 12 POOR 4 VERY POOR 40 FAIR
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 183 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-232015-
HARRISON-
INCLUDING THE CITY OF CADIZ
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-1) 55 (0) 81
RH % (24H TREND) 46 (+11) 86 (-8) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1420 2180
MIXING HGT(FT-AGL/MSL)4660 7160
TRANSPORT WND (MPH) W 9 W 20
VENT RATE (KT-FT) 37280 121720
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 51 GEN GOOD
MAX ADI LATE 49 GEN GOOD 4 VERY POOR 140 VERY GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-232015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (0) 55 (0) 81
RH % (24H TREND) 45 (+12) 85 (-7) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1530 2220
MIXING HGT(FT-AGL/MSL)5010 7300
TRANSPORT WND (MPH) W 9 W 20
VENT RATE (KT-FT) 40080 124100
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 12 POOR 4 VERY POOR 70 GOOD
MAX ADI LATE 55 GEN GOOD 4 VERY POOR 146 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-232015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 79 (+2) 54 (-2) 82
RH % (24H TREND) 45 (-1) 86 (-13) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 4 PM 4 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1600 2360
MIXING HGT(FT-AGL/MSL)5260 7740
TRANSPORT WND (MPH) W 12 SW 22
VENT RATE (KT-FT) 52600 147060
CATEGORY DAY 4 5
INVERSION 66F/10AM 7PM 62F/9AM
DISPERSION 4 5
MAX ADI EARLY 16 GEN POOR 5 VERY POOR 41 GEN GOOD
MAX ADI LATE 71 GOOD 4 VERY POOR 170 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-232015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 20
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 79 (+1) 54 (-3) 82
RH % (24H TREND) 46 (+6) 87 (-9) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 6 PM 4 PM
PRECIP END 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1600 2330
MIXING HGT(FT-AGL/MSL)5240 7660
TRANSPORT WND (MPH) W 10 SW 20
VENT RATE (KT-FT) 47160 130220
CATEGORY DAY 4 5
INVERSION 62F/9AM 8PM 68F/10AM
DISPERSION 4 5
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 44 GEN GOOD
MAX ADI LATE 65 GOOD 4 VERY POOR 151 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-232015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 78 (+2) 55 (-1) 82
RH % (24H TREND) 47 (+6) 87 (-7) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 3 PM 4 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1440 2130
MIXING HGT(FT-AGL/MSL)4730 6990
TRANSPORT WND (MPH) W 10 W 17
VENT RATE (KT-FT) 42570 104850
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 20 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 129 VERY GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-232015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 79 (+2) 54 (-2) 83
RH % (24H TREND) 45 (0) 89 (-6) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1510 2300
MIXING HGT(FT-AGL/MSL)4960 7530
TRANSPORT WND (MPH) W 10 SW 17
VENT RATE (KT-FT) 44640 112950
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 67F/10AM
DISPERSION 3 5
MAX ADI EARLY 21 FAIR 5 VERY POOR 40 FAIR
MAX ADI LATE 62 GOOD 4 VERY POOR 139 VERY GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-232015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 20 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 79 (+4) 54 (-2) 82
RH % (24H TREND) 45 (0) 89 (-4) 32
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1550 2390
MIXING HGT(FT-AGL/MSL)5100 7840
TRANSPORT WND (MPH) W 10 W 18
VENT RATE (KT-FT) 45900 125440
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 67F/10AM
DISPERSION 3 5
MAX ADI EARLY 24 FAIR 5 VERY POOR 47 GEN GOOD
MAX ADI LATE 66 GOOD 4 VERY POOR 145 VERY GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-232015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 76 (+2) 51 (+1) 79
RH % (24H TREND) 38 (-1) 91 (+4) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1650 1870
MIXING HGT(FT-AGL/MSL)5430 6150
TRANSPORT WND (MPH) W 7 W 15
VENT RATE (KT-FT) 32580 79950
CATEGORY DAY 3 4
INVERSION 64F/10AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 46 GEN GOOD
MAX ADI LATE 45 GEN GOOD 3 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 5 3 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-232015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 75 (+2) 48 (-1) 79
RH % (24H TREND) 31 (-10) 88 (+1) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1700 1760
MIXING HGT(FT-AGL/MSL)5590 5790
TRANSPORT WND (MPH) W 6 W 13
VENT RATE (KT-FT) 27950 63690
CATEGORY DAY 3 4
INVERSION 63F/10AM 8PM 60F/9AM
DISPERSION 3 4
MAX ADI EARLY 24 FAIR 3 VERY POOR 43 GEN GOOD
MAX ADI LATE 45 GEN GOOD 3 VERY POOR 87 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-232015-
FOREST-
INCLUDING THE CITY OF TIONESTA
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 74 (0) 47 (+1) 76
RH % (24H TREND) 28 (-6) 83 (-3) 45
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 0.16
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1720 1670
MIXING HGT(FT-AGL/MSL)5660 5470
TRANSPORT WND (MPH) NW 7 W 13
VENT RATE (KT-FT) 33960 60170
CATEGORY DAY 3 4
INVERSION 61F/10AM 8PM 57F/9AM
DISPERSION 3 4
MAX ADI EARLY 27 FAIR 3 VERY POOR 38 FAIR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 79 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-232015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 78 (+3) 53 (0) 81
RH % (24H TREND) 39 (+3) 92 (+2) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1700 1960
MIXING HGT(FT-AGL/MSL)5560 6440
TRANSPORT WND (MPH) W 7 W 17
VENT RATE (KT-FT) 33360 96600
CATEGORY DAY 3 4
INVERSION 65F/10AM 8PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 55 GEN GOOD
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 121 VERY GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-232015-
BUTLER-
INCLUDING THE CITY OF BUTLER
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (+2) 51 (-1) 80
RH % (24H TREND) 39 (+1) 97 (+4) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1680 2040
MIXING HGT(FT-AGL/MSL)5510 6680
TRANSPORT WND (MPH) W 8 W 16
VENT RATE (KT-FT) 38570 93520
CATEGORY DAY 3 4
INVERSION 64F/10AM 8PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 45 GEN GOOD
MAX ADI LATE 50 GEN GOOD 3 VERY POOR 119 VERY GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 2 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-232015-
CLARION-
INCLUDING THE CITY OF CLARION
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 76 (+3) 50 (+1) 79
RH % (24H TREND) 30 (-7) 90 (+2) 43
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 0.12
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1780 1640
MIXING HGT(FT-AGL/MSL)5830 5380
TRANSPORT WND (MPH) W 7 W 14
VENT RATE (KT-FT) 34980 64560
CATEGORY DAY 3 4
INVERSION 63F/10AM 8PM 60F/9AM
DISPERSION 3 4
MAX ADI EARLY 26 FAIR 4 VERY POOR 52 GEN GOOD
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 88 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-232015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 74 (+2) 49 (0) 77
RH % (24H TREND) 28 (-5) 86 (+2) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.21
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1340
MIXING HGT(FT-AGL/MSL)5800 4400
TRANSPORT WND (MPH) W 9 W 14
VENT RATE (KT-FT) 46400 52800
CATEGORY DAY 3 4
INVERSION 62F/10AM 8PM 59F/9AM
DISPERSION 3 4
MAX ADI EARLY 29 FAIR 4 VERY POOR 46 GEN GOOD
MAX ADI LATE 66 GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 5 3 5
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-232015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 78 (+2) 55 (0) 81
RH % (24H TREND) 41 (+8) 88 (-2) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1680 2420
MIXING HGT(FT-AGL/MSL)5500 7930
TRANSPORT WND (MPH) W 8 W 20
VENT RATE (KT-FT) 38500 134810
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 60 GEN GOOD
MAX ADI LATE 50 GEN GOOD 3 VERY POOR 157 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-232015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (+1) 55 (-1) 81
RH % (24H TREND) 44 (+10) 94 (+1) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1630 2290
MIXING HGT(FT-AGL/MSL)5350 7500
TRANSPORT WND (MPH) W 8 W 18
VENT RATE (KT-FT) 37450 120000
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 50 GEN GOOD
MAX ADI LATE 48 GEN GOOD 3 VERY POOR 137 VERY GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-232015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 76 (+1) 52 (-1) 80
RH % (24H TREND) 38 (+3) 98 (+3) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1740 1810
MIXING HGT(FT-AGL/MSL)5720 5940
TRANSPORT WND (MPH) W 8 W 15
VENT RATE (KT-FT) 40040 77220
CATEGORY DAY 3 4
INVERSION 60F/9AM 7PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 23 FAIR 4 VERY POOR 51 GEN GOOD
MAX ADI LATE 56 GEN GOOD 3 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 7 3 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-232015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 76 (+1) 55 (-1) 81
RH % (24H TREND) 47 (+10) 89 (-4) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2300
MIXING HGT(FT-AGL/MSL)4930 7530
TRANSPORT WND (MPH) W 10 W 18
VENT RATE (KT-FT) 44370 120480
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 84 GOOD
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-232015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 30 0 20
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 76 (+4) 55 (0) 81
RH % (24H TREND) 50 (+3) 91 (-3) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM 8 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1460 2420
MIXING HGT(FT-AGL/MSL)4800 7930
TRANSPORT WND (MPH) W 10 W 18
VENT RATE (KT-FT) 43200 126880
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 25 FAIR 4 VERY POOR 97 GOOD
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 154 VERY GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-232015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 76 (0) 54 (-1) 80
RH % (24H TREND) 46 (+12) 97 (+1) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2170
MIXING HGT(FT-AGL/MSL)4930 7130
TRANSPORT WND (MPH) W 8 W 17
VENT RATE (KT-FT) 34510 106950
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 21 FAIR 4 VERY POOR 48 GEN GOOD
MAX ADI LATE 47 GEN GOOD 3 VERY POOR 132 VERY GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 2 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-232015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 76 (+3) 54 (0) 79
RH % (24H TREND) 43 (+9) 90 (-2) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1410 1930
MIXING HGT(FT-AGL/MSL)4640 6330
TRANSPORT WND (MPH) W 10 W 18
VENT RATE (KT-FT) 41760 101280
CATEGORY DAY 3 4
INVERSION 60F/9AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 26 FAIR 5 VERY POOR 78 GOOD
MAX ADI LATE 56 GEN GOOD 4 VERY POOR 119 VERY GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-232015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 20 0 30
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 76 (+4) 55 (0) 80
RH % (24H TREND) 50 (+2) 94 (+1) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 8 AM 8 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1380 2430
MIXING HGT(FT-AGL/MSL)4520 7960
TRANSPORT WND (MPH) W 9 W 18
VENT RATE (KT-FT) 36160 127360
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 21 FAIR 3 VERY POOR 57 GEN GOOD
MAX ADI LATE 50 GEN GOOD 4 VERY POOR 148 VERY GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-232015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 30 0 40
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 73 (+4) 54 (+2) 77
RH % (24H TREND) 51 (+4) 90 (-4) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 8 AM 8 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1290 2130
MIXING HGT(FT-AGL/MSL)4230 7000
TRANSPORT WND (MPH) W 12 W 18
VENT RATE (KT-FT) 42300 112000
CATEGORY DAY 3 5
INVERSION 58F/9AM 7PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 23 FAIR 4 VERY POOR 81 GOOD
MAX ADI LATE 55 GEN GOOD 3 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-232015-
INDIANA-
INCLUDING THE CITY OF INDIANA
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 75 (+1) 53 (-1) 79
RH % (24H TREND) 36 (+3) 95 (+2) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1700 1710
MIXING HGT(FT-AGL/MSL)5580 5600
TRANSPORT WND (MPH) W 9 W 16
VENT RATE (KT-FT) 44640 78400
CATEGORY DAY 3 4
INVERSION 60F/9AM 8PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 26 FAIR 4 VERY POOR 54 GEN GOOD
MAX ADI LATE 65 GOOD 3 VERY POOR 95 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-232015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 74 (+1) 54 (0) 78
RH % (24H TREND) 40 (+9) 90 (-2) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1540 1580
MIXING HGT(FT-AGL/MSL)5050 5180
TRANSPORT WND (MPH) W 10 W 17
VENT RATE (KT-FT) 45450 77700
CATEGORY DAY 3 4
INVERSION 61F/9AM 8PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 27 FAIR 5 VERY POOR 74 GOOD
MAX ADI LATE 66 GOOD 4 VERY POOR 98 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-232015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (0) 56 (+1) 81
RH % (24H TREND) 44 (+12) 85 (-6) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1630 2340
MIXING HGT(FT-AGL/MSL)5360 7690
TRANSPORT WND (MPH) W 9 W 20
VENT RATE (KT-FT) 42880 130730
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 74 GOOD
MAX ADI LATE 59 GEN GOOD 4 VERY POOR 154 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-232015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (+2) 56 (-1) 81
RH % (24H TREND) 45 (+12) 83 (-8) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1530 2300
MIXING HGT(FT-AGL/MSL)5020 7550
TRANSPORT WND (MPH) W 10 W 20
VENT RATE (KT-FT) 45180 128350
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 68 GOOD
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 150 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-232015-
OHIO-
INCLUDING THE CITY OF WHEELING
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (0) 56 (-1) 81
RH % (24H TREND) 47 (+12) 86 (-7) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 3 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1450 2290
MIXING HGT(FT-AGL/MSL)4760 7520
TRANSPORT WND (MPH) W 10 W 18
VENT RATE (KT-FT) 42840 120320
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 63F/9AM
DISPERSION 3 5
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 62 GOOD
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 145 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-232015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 78 (+5) 56 (0) 82
RH % (24H TREND) 49 (+3) 86 (-7) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 2 PM 4 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1520 2260
MIXING HGT(FT-AGL/MSL)4990 7410
TRANSPORT WND (MPH) W 10 W 17
VENT RATE (KT-FT) 44910 111150
CATEGORY DAY 3 5
INVERSION 61F/9AM 7PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 23 FAIR 4 VERY POOR 52 GEN GOOD
MAX ADI LATE 61 GOOD 4 VERY POOR 134 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-232015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 0
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 78 (+8) 56 (+1) 81
RH % (24H TREND) 50 (0) 88 (-5) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 1610 2350
MIXING HGT(FT-AGL/MSL)5300 7710
TRANSPORT WND (MPH) W 12 W 17
VENT RATE (KT-FT) 53000 115650
CATEGORY DAY 4 5
INVERSION 59F/9AM 8PM 61F/9AM
DISPERSION 4 5
MAX ADI EARLY 26 FAIR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 70 GOOD 3 VERY POOR 135 VERY GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-232015-
MARION-
INCLUDING THE CITY OF FAIRMONT
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 30 20
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 76 (+4) 54 (0) 80
RH % (24H TREND) 53 (+3) 93 (-3) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 1 1 0
PRECIP BEGIN 2 PM CONTINUING 3 PM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2430
MIXING HGT(FT-AGL/MSL)4940 7970
TRANSPORT WND (MPH) W 12 W 17
VENT RATE (KT-FT) 49400 119550
CATEGORY DAY 3 5
INVERSION 59F/9AM 8PM 61F/9AM
DISPERSION 3 5
MAX ADI EARLY 27 FAIR 4 VERY POOR 87 GOOD
MAX ADI LATE 65 GOOD 3 VERY POOR 146 VERY GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-232015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 20
CHANCE OF THUNDER (%) 30 20 20
TEMP (24H TREND) 76 (+5) 55 (0) 80
RH % (24H TREND) 51 (+2) 92 (-1) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 1 0 1
PRECIP BEGIN 1 PM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1420 2460
MIXING HGT(FT-AGL/MSL)4670 8060
TRANSPORT WND (MPH) W 10 W 17
VENT RATE (KT-FT) 42030 120900
CATEGORY DAY 3 5
INVERSION 60F/9AM 7PM 62F/9AM
DISPERSION 3 5
MAX ADI EARLY 28 FAIR 4 VERY POOR 86 GOOD
MAX ADI LATE 56 GEN GOOD 3 VERY POOR 150 VERY GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-232015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 30 30 20
TEMP (24H TREND) 73 (+5) 54 (+2) 78
RH % (24H TREND) 52 (+6) 91 (-3) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 2 1 2
PRECIP BEGIN 8 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1220 2270
MIXING HGT(FT-AGL/MSL)3990 7460
TRANSPORT WND (MPH) W 12 W 18
VENT RATE (KT-FT) 39900 119360
CATEGORY DAY 3 5
INVERSION 60F/10AM 7PM 61F/9AM
DISPERSION 3 5
MAX ADI EARLY 22 FAIR 4 VERY POOR 94 GOOD
MAX ADI LATE 50 GEN GOOD 3 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-232015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 30 30 20
TEMP (24H TREND) 73 (+5) 53 (+1) 77
RH % (24H TREND) 51 (+1) 91 (-4) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 2 1 2
PRECIP BEGIN 9 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1380 2290
MIXING HGT(FT-AGL/MSL)4520 7530
TRANSPORT WND (MPH) W 13 W 20
VENT RATE (KT-FT) 49720 128010
CATEGORY DAY 4 5
INVERSION 58F/9AM 7PM 61F/9AM
DISPERSION 4 5
MAX ADI EARLY 35 FAIR 5 VERY POOR 106 VERY GOOD
MAX ADI LATE 65 GOOD 3 VERY POOR 157 VERY GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-232015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 30 30
CHANCE OF THUNDER (%) 30 30 20
TEMP (24H TREND) 72 (+6) 53 (+2) 76
RH % (24H TREND) 52 (+1) 90 (-4) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 6 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 1 1 2
PRECIP BEGIN 9 AM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1310 2150
MIXING HGT(FT-AGL/MSL)4300 7050
TRANSPORT WND (MPH) W 15 W 20
VENT RATE (KT-FT) 55900 119850
CATEGORY DAY 4 5
INVERSION 60F/10AM 8PM 60F/9AM
DISPERSION 4 5
MAX ADI EARLY 39 FAIR 8 POOR 114 VERY GOOD
MAX ADI LATE 69 GOOD 4 VERY POOR 155 VERY GOOD
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-232015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 74 (+5) 53 (+1) 77
RH % (24H TREND) 48 (+1) 89 (-2) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 1 1 2
PRECIP BEGIN 12 PM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1370 2250
MIXING HGT(FT-AGL/MSL)4510 7390
TRANSPORT WND (MPH) W 15 W 20
VENT RATE (KT-FT) 58630 125630
CATEGORY DAY 4 5
INVERSION 58F/9AM 7PM 60F/9AM
DISPERSION 4 5
MAX ADI EARLY 47 GEN GOOD 8 POOR 140 VERY GOOD
MAX ADI LATE 81 GOOD 3 VERY POOR 164 VERY GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-232015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
105 AM EDT THU APR 23 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 40
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 70 (+8) 50 (0) 74
RH % (24H TREND) 53 (-1) 89 (-1) 39
WIND 20FT/EARLY(MPH) W 5 G20 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 G21 LGT/VAR W 7 G20
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1 4
PRECIP BEGIN 12 PM CONTINUING 8 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1280 2180
MIXING HGT(FT-AGL/MSL)4190 7170
TRANSPORT WND (MPH) W 18 W 20
VENT RATE (KT-FT) 67040 121890
CATEGORY DAY 4 5
INVERSION 57F/9AM 8PM 60F/9AM
DISPERSION 4 5
MAX ADI EARLY 57 GEN GOOD 10 POOR 142 VERY GOOD
MAX ADI LATE 81 GOOD 5 VERY POOR 157 VERY GOOD
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
60S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTH WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
60S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 60S. WEST WINDS 10 TO 15 MPH.
WM
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