995
FNUS51 KPBZ 170459
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1259 AM EDT FRI APR 17 2026
DISCUSSION
A COLD FRONT IS CURRENTLY PASSING THROUGH THE FORECAST AREA. IT
WILL PUSH THROUGH BY DAWN. DRY WEATHER IS THEN EXPECTED THROUGH
THE DAY ON FRIDAY. EXPECT SOME RH VALUES DROPPING INTO THE LOWER
40% RANGE, ALTHOUGH, SOME VALUES COULD DIP DOWN IN TO THE 30%
RANGE. FIRE WEATHER CONDITIONS ARE EXPECTED TO BE LESS THAN
MARGINAL AT THIS TIME. THE CHANCE FOR ADDITIONAL RAINFALL RETURNS
ON SATURDAY WITH A MORE POTENT COLD FRONT.
OHZ039-172045-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 77 (-3) 59 (+1) 80
RH % (24H TREND) 42 (-4) 70 (-22) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 9 G22
WIND 20FT/LATE(MPH) LGT/VAR SE 5 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.32
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1460 1140
MIXING HGT(FT-AGL/MSL)4790 3730
TRANSPORT WND (MPH) SW 5 SW 30
VENT RATE (KT-FT) 20880 110340
CATEGORY DAY 2 4
INVERSION 57F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 16 GEN POOR 5 VERY POOR 82 GOOD
MAX ADI LATE 26 FAIR 11 POOR 86 GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-172045-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 76 (-4) 58 (0) 79
RH % (24H TREND) 43 (-2) 72 (-20) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 9 G22
WIND 20FT/LATE(MPH) LGT/VAR SE 5 SW 14 G23
PRECIP AMOUNT 0.00 0.00 0.35
PRECIP DURATION 5
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1400 1240
MIXING HGT(FT-AGL/MSL)4580 4080
TRANSPORT WND (MPH) SW 5 SW 30
VENT RATE (KT-FT) 19210 121210
CATEGORY DAY 2 5
INVERSION 57F/8AM 7PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 72 GOOD
MAX ADI LATE 26 FAIR 13 GEN POOR 80 GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-172045-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 76 (-4) 57 (-1) 79
RH % (24H TREND) 44 (0) 75 (-19) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 9 G22
WIND 20FT/LATE(MPH) LGT/VAR SE 5 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.33
PRECIP DURATION 5
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1410 1450
MIXING HGT(FT-AGL/MSL)4620 4770
TRANSPORT WND (MPH) SW 3 SW 30
VENT RATE (KT-FT) 15020 147590
CATEGORY DAY 2 5
INVERSION 57F/8AM 7PM 66F/9AM
DISPERSION 4 5
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 77 GOOD
MAX ADI LATE 20 GEN POOR 11 POOR 88 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-172045-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 77 (-3) 59 (+2) 78
RH % (24H TREND) 40 (-4) 69 (-25) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G22
PRECIP AMOUNT 0.00 0.00 0.33
PRECIP DURATION 9
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1570 1390
MIXING HGT(FT-AGL/MSL)5160 4570
TRANSPORT WND (MPH) SW 5 SW 30
VENT RATE (KT-FT) 30380 84590
CATEGORY DAY 2 5
INVERSION 59F/9AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 104 VERY GOOD
MAX ADI LATE 29 FAIR 11 POOR 109 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-172045-
HARRISON-
INCLUDING THE CITY OF CADIZ
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 77 (-4) 58 (-1) 80
RH % (24H TREND) 40 (+1) 72 (-19) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 9 G22
WIND 20FT/LATE(MPH) LGT/VAR SE 5 SW 13 G24
PRECIP AMOUNT 0.00 0.00 0.22
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1530 1530
MIXING HGT(FT-AGL/MSL)5030 5030
TRANSPORT WND (MPH) W 5 SW 30
VENT RATE (KT-FT) 27020 121160
CATEGORY DAY 2 5
INVERSION 58F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 73 GOOD
MAX ADI LATE 28 FAIR 11 POOR 112 VERY GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-172045-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 77 (-4) 58 (-1) 82
RH % (24H TREND) 40 (0) 72 (-17) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G24
PRECIP AMOUNT 0.00 0.00 0.22
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1540 1700
MIXING HGT(FT-AGL/MSL)5050 5570
TRANSPORT WND (MPH) W 5 SW 30
VENT RATE (KT-FT) 30010 138820
CATEGORY DAY 2 5
INVERSION 58F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 22 FAIR 3 VERY POOR 67 GOOD
MAX ADI LATE 28 FAIR 6 VERY POOR 116 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-172045-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 79 (-2) 60 (+2) 79
RH % (24H TREND) 37 (-7) 65 (-26) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.31
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1610 1390
MIXING HGT(FT-AGL/MSL)5300 4570
TRANSPORT WND (MPH) W 5 SW 26
VENT RATE (KT-FT) 33210 83810
CATEGORY DAY 2 5
INVERSION 60F/9AM 8PM 69F/9AM
DISPERSION 5 5
MAX ADI EARLY 17 GEN POOR 5 VERY POOR 95 GOOD
MAX ADI LATE 36 FAIR 11 POOR 101 VERY GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-172045-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 79 (-3) 59 (0) 81
RH % (24H TREND) 38 (-4) 67 (-24) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G21
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.28
PRECIP DURATION 5
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1630 1310
MIXING HGT(FT-AGL/MSL)5360 4310
TRANSPORT WND (MPH) W 5 SW 26
VENT RATE (KT-FT) 26370 115310
CATEGORY DAY 2 4
INVERSION 60F/9AM 8PM 69F/9AM
DISPERSION 5 5
MAX ADI EARLY 19 GEN POOR 4 VERY POOR 81 GOOD
MAX ADI LATE 30 FAIR 10 POOR 96 GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-172045-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 78 (-4) 58 (-2) 83
RH % (24H TREND) 38 (0) 71 (-20) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G22
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 13 G25
PRECIP AMOUNT 0.00 0.00 0.38
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1640 1750
MIXING HGT(FT-AGL/MSL)5380 5730
TRANSPORT WND (MPH) W 5 SW 31
VENT RATE (KT-FT) 28590 108230
CATEGORY DAY 2 5
INVERSION 60F/9AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 21 FAIR 4 VERY POOR 88 GOOD
MAX ADI LATE 36 FAIR 7 POOR 126 VERY GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-172045-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 80 (-3) 59 (0) 82
RH % (24H TREND) 36 (-5) 68 (-22) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.40
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1670 1530
MIXING HGT(FT-AGL/MSL)5480 5010
TRANSPORT WND (MPH) W 6 SW 29
VENT RATE (KT-FT) 27300 99500
CATEGORY DAY 3 5
INVERSION 61F/9AM 8PM 69F/9AM
DISPERSION 5 5
MAX ADI EARLY 22 FAIR 4 VERY POOR 99 GOOD
MAX ADI LATE 37 FAIR 10 POOR 113 VERY GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-172045-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 80 (-4) 59 (-1) 83
RH % (24H TREND) 36 (0) 68 (-23) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G22
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G24
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1730 1910
MIXING HGT(FT-AGL/MSL)5660 6260
TRANSPORT WND (MPH) W 6 SW 30
VENT RATE (KT-FT) 31310 96230
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 69F/9AM
DISPERSION 5 5
MAX ADI EARLY 26 FAIR 3 VERY POOR 112 VERY GOOD
MAX ADI LATE 43 GEN GOOD 6 VERY POOR 133 VERY GOOD
MAX LVORI EARLY 5 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-172045-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 73 (-6) 55 (-1) 78
RH % (24H TREND) 49 (-3) 84 (-16) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 9 G20
WIND 20FT/LATE(MPH) LGT/VAR SE 6 SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.43
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1170 1560
MIXING HGT(FT-AGL/MSL)3850 5100
TRANSPORT WND (MPH) NW 3 SW 32
VENT RATE (KT-FT) 17730 135910
CATEGORY DAY 2 5
INVERSION 56F/8AM 7PM 68F/10AM
DISPERSION 5 5
MAX ADI EARLY 21 FAIR 5 VERY POOR 52 GEN GOOD
MAX ADI LATE 20 GEN POOR 12 POOR 96 GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-172045-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 73 (-6) 54 (-2) 78
RH % (24H TREND) 47 (-2) 86 (-13) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.31
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1270 1550
MIXING HGT(FT-AGL/MSL)4160 5070
TRANSPORT WND (MPH) W 3 SW 31
VENT RATE (KT-FT) 16270 138070
CATEGORY DAY 2 5
INVERSION 55F/7AM 8PM 63F/9AM
DISPERSION 5 5
MAX ADI EARLY 27 FAIR 3 VERY POOR 44 GEN GOOD
MAX ADI LATE 26 FAIR 9 POOR 108 VERY GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 3 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-172045-
FOREST-
INCLUDING THE CITY OF TIONESTA
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 72 (-7) 52 (-4) 78
RH % (24H TREND) 45 (+3) 88 (-11) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 9 G22
PRECIP AMOUNT 0.00 0.00 0.29
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1310 1440
MIXING HGT(FT-AGL/MSL)4300 4710
TRANSPORT WND (MPH) N 2 SW 29
VENT RATE (KT-FT) 17740 110690
CATEGORY DAY 1 5
INVERSION 55F/6AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 30 FAIR 3 VERY POOR 72 GOOD
MAX ADI LATE 31 FAIR 7 POOR 113 VERY GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-172045-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 75 (-6) 56 (-2) 80
RH % (24H TREND) 45 (+1) 81 (-18) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G22
PRECIP AMOUNT 0.00 0.00 0.31
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1240 1420
MIXING HGT(FT-AGL/MSL)4080 4650
TRANSPORT WND (MPH) W 2 SW 30
VENT RATE (KT-FT) 13380 127520
CATEGORY DAY 1 5
INVERSION 57F/8AM 7PM 70F/10AM
DISPERSION 4 5
MAX ADI EARLY 22 FAIR 4 VERY POOR 57 GEN GOOD
MAX ADI LATE 22 FAIR 10 POOR 103 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-172045-
BUTLER-
INCLUDING THE CITY OF BUTLER
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 75 (-6) 53 (-4) 80
RH % (24H TREND) 47 (+3) 87 (-11) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.21
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1370 1510
MIXING HGT(FT-AGL/MSL)4490 4970
TRANSPORT WND (MPH) NW 3 SW 26
VENT RATE (KT-FT) 19630 135600
CATEGORY DAY 2 5
INVERSION 57F/8AM 8PM 69F/10AM
DISPERSION 5 5
MAX ADI EARLY 28 FAIR 4 VERY POOR 43 GEN GOOD
MAX ADI LATE 28 FAIR 6 VERY POOR 95 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-172045-
CLARION-
INCLUDING THE CITY OF CLARION
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 73 (-7) 53 (-4) 79
RH % (24H TREND) 46 (+7) 86 (-12) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1470
MIXING HGT(FT-AGL/MSL)4530 4830
TRANSPORT WND (MPH) NW 3 SW 26
VENT RATE (KT-FT) 14780 128950
CATEGORY DAY 2 5
INVERSION 56F/7AM 8PM 63F/9AM
DISPERSION 4 5
MAX ADI EARLY 30 FAIR 3 VERY POOR 61 GOOD
MAX ADI LATE 29 FAIR 6 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-172045-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 73 (-7) 53 (-5) 79
RH % (24H TREND) 44 (+9) 84 (-15) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR S 11 G22
PRECIP AMOUNT 0.00 0.00 0.31
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1440 1450
MIXING HGT(FT-AGL/MSL)4710 4770
TRANSPORT WND (MPH) NW 5 SW 24
VENT RATE (KT-FT) 18780 107940
CATEGORY DAY 2 4
INVERSION 57F/7AM 8PM 63F/9AM
DISPERSION 5 5
MAX ADI EARLY 32 FAIR 3 VERY POOR 72 GOOD
MAX ADI LATE 40 FAIR 6 VERY POOR 97 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-172045-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 76 (-6) 58 (-2) 81
RH % (24H TREND) 42 (+3) 76 (-18) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1430 1620
MIXING HGT(FT-AGL/MSL)4680 5300
TRANSPORT WND (MPH) W 3 SW 28
VENT RATE (KT-FT) 18360 146830
CATEGORY DAY 2 5
INVERSION 58F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 24 FAIR 4 VERY POOR 67 GOOD
MAX ADI LATE 30 FAIR 6 VERY POOR 104 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-172045-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 76 (-7) 56 (-4) 83
RH % (24H TREND) 42 (+4) 82 (-12) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.23
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1490 1660
MIXING HGT(FT-AGL/MSL)4880 5440
TRANSPORT WND (MPH) NW 5 SW 24
VENT RATE (KT-FT) 29000 147250
CATEGORY DAY 2 5
INVERSION 59F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 27 FAIR 3 VERY POOR 60 GEN GOOD
MAX ADI LATE 32 FAIR 6 VERY POOR 92 GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-172045-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 75 (-7) 54 (-4) 82
RH % (24H TREND) 46 (+8) 87 (-12) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1600
MIXING HGT(FT-AGL/MSL)4760 5230
TRANSPORT WND (MPH) NW 5 SW 25
VENT RATE (KT-FT) 25570 130300
CATEGORY DAY 2 5
INVERSION 58F/8AM 8PM 65F/9AM
DISPERSION 5 5
MAX ADI EARLY 29 FAIR 3 VERY POOR 66 GOOD
MAX ADI LATE 34 FAIR 6 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-172045-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (-5) 56 (-3) 83
RH % (24H TREND) 42 (+4) 78 (-15) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 13 G23
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1560 1850
MIXING HGT(FT-AGL/MSL)5120 6090
TRANSPORT WND (MPH) NW 6 SW 26
VENT RATE (KT-FT) 29780 152630
CATEGORY DAY 3 5
INVERSION 59F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 26 FAIR 4 VERY POOR 77 GOOD
MAX ADI LATE 35 FAIR 6 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-172045-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (-6) 57 (-3) 84
RH % (24H TREND) 40 (+2) 76 (-16) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1720 2040
MIXING HGT(FT-AGL/MSL)5630 6690
TRANSPORT WND (MPH) NW 6 SW 26
VENT RATE (KT-FT) 30560 163030
CATEGORY DAY 3 5
INVERSION 60F/8AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 36 FAIR 3 VERY POOR 113 VERY GOOD
MAX ADI LATE 45 GEN GOOD 6 VERY POOR 121 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-172045-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 76 (-7) 55 (-4) 83
RH % (24H TREND) 45 (+8) 85 (-12) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1610
MIXING HGT(FT-AGL/MSL)4750 5300
TRANSPORT WND (MPH) NW 6 SW 21
VENT RATE (KT-FT) 27800 167500
CATEGORY DAY 3 4
INVERSION 59F/8AM 8PM 73F/10AM
DISPERSION 5 5
MAX ADI EARLY 30 FAIR 3 VERY POOR 67 GOOD
MAX ADI LATE 36 FAIR 6 VERY POOR 86 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.
PAZ074-172045-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 75 (-6) 54 (-5) 84
RH % (24H TREND) 43 (+9) 80 (-19) 37
WIND 20FT/EARLY(MPH) W 5 LGT/VAR S 6 G19
WIND 20FT/LATE(MPH) NW 5 LGT/VAR SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1410 1850
MIXING HGT(FT-AGL/MSL)4610 6070
TRANSPORT WND (MPH) NW 8 SW 22
VENT RATE (KT-FT) 30850 152900
CATEGORY DAY 3 5
INVERSION 58F/8AM 7PM 65F/9AM
DISPERSION 5 5
MAX ADI EARLY 29 FAIR 3 VERY POOR 73 GOOD
MAX ADI LATE 44 GEN GOOD 6 VERY POOR 116 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-172045-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (-6) 56 (-4) 84
RH % (24H TREND) 42 (+5) 79 (-11) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.14
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1600 1910
MIXING HGT(FT-AGL/MSL)5260 6270
TRANSPORT WND (MPH) NW 7 SW 22
VENT RATE (KT-FT) 35590 175830
CATEGORY DAY 3 5
INVERSION 60F/8AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 29 FAIR 3 VERY POOR 102 VERY GOOD
MAX ADI LATE 45 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-172045-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 74 (-6) 53 (-5) 82
RH % (24H TREND) 43 (+7) 78 (-17) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 8 G20
PRECIP AMOUNT 0.00 0.00 0.12
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1490 1950
MIXING HGT(FT-AGL/MSL)4890 6390
TRANSPORT WND (MPH) NW 8 SW 23
VENT RATE (KT-FT) 39480 159310
CATEGORY DAY 3 5
INVERSION 57F/8AM 7PM 65F/9AM
DISPERSION 5 5
MAX ADI EARLY 32 FAIR 3 VERY POOR 103 VERY GOOD
MAX ADI LATE 49 GEN GOOD 5 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-172045-
INDIANA-
INCLUDING THE CITY OF INDIANA
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 75 (-7) 54 (-4) 83
RH % (24H TREND) 47 (+12) 85 (-14) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 7 G19
WIND 20FT/LATE(MPH) NW 5 LGT/VAR S 11 G21
PRECIP AMOUNT 0.00 0.00 0.21
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1430 1630
MIXING HGT(FT-AGL/MSL)4700 5360
TRANSPORT WND (MPH) NW 7 SW 24
VENT RATE (KT-FT) 25060 139700
CATEGORY DAY 3 5
INVERSION 59F/8AM 8PM 65F/9AM
DISPERSION 5 5
MAX ADI EARLY 29 FAIR 3 VERY POOR 72 GOOD
MAX ADI LATE 39 FAIR 6 VERY POOR 98 GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-172045-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 74 (-7) 55 (-4) 83
RH % (24H TREND) 46 (+12) 82 (-17) 38
WIND 20FT/EARLY(MPH) NW 5 LGT/VAR S 7 G19
WIND 20FT/LATE(MPH) NW 5 LGT/VAR S 10 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1350 1770
MIXING HGT(FT-AGL/MSL)4430 5800
TRANSPORT WND (MPH) NW 8 SW 23
VENT RATE (KT-FT) 26790 107510
CATEGORY DAY 3 5
INVERSION 59F/8AM 8PM 65F/9AM
DISPERSION 5 5
MAX ADI EARLY 30 FAIR 3 VERY POOR 62 GOOD
MAX ADI LATE 43 GEN GOOD 6 VERY POOR 110 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-172045-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 76 (-5) 59 (0) 80
RH % (24H TREND) 40 (+2) 72 (-20) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.22
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1520 1670
MIXING HGT(FT-AGL/MSL)4980 5480
TRANSPORT WND (MPH) W 3 SW 29
VENT RATE (KT-FT) 15740 146220
CATEGORY DAY 2 5
INVERSION 58F/8AM 8PM 67F/9AM
DISPERSION 4 5
MAX ADI EARLY 23 FAIR 4 VERY POOR 71 GOOD
MAX ADI LATE 27 FAIR 6 VERY POOR 122 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-172045-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 80
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (-5) 59 (-2) 83
RH % (24H TREND) 39 (+2) 70 (-18) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 12 G24
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1590 1860
MIXING HGT(FT-AGL/MSL)5200 6110
TRANSPORT WND (MPH) NW 5 SW 28
VENT RATE (KT-FT) 29910 126930
CATEGORY DAY 2 5
INVERSION 59F/8AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 24 FAIR 4 VERY POOR 74 GOOD
MAX ADI LATE 35 FAIR 6 VERY POOR 114 VERY GOOD
MAX LVORI EARLY 4 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-172045-
OHIO-
INCLUDING THE CITY OF WHEELING
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 77 (-5) 59 (-1) 82
RH % (24H TREND) 39 (+1) 71 (-20) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 8 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 13 G24
PRECIP AMOUNT 0.00 0.00 0.45
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1610 1900
MIXING HGT(FT-AGL/MSL)5270 6230
TRANSPORT WND (MPH) W 5 SW 30
VENT RATE (KT-FT) 28060 108380
CATEGORY DAY 2 5
INVERSION 59F/8AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 23 FAIR 4 VERY POOR 73 GOOD
MAX ADI LATE 35 FAIR 7 POOR 122 VERY GOOD
MAX LVORI EARLY 4 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-172045-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 79 (-4) 60 (-1) 83
RH % (24H TREND) 40 (+2) 69 (-22) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 7 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1730 1980
MIXING HGT(FT-AGL/MSL)5680 6500
TRANSPORT WND (MPH) NW 5 SW 30
VENT RATE (KT-FT) 30560 106200
CATEGORY DAY 2 5
INVERSION 61F/9AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 30 FAIR 3 VERY POOR 92 GOOD
MAX ADI LATE 40 FAIR 6 VERY POOR 129 VERY GOOD
MAX LVORI EARLY 4 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-172045-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-4) 59 (-1) 83
RH % (24H TREND) 39 (+1) 68 (-23) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G23
PRECIP AMOUNT 0.00 0.00 0.21
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1800 2200
MIXING HGT(FT-AGL/MSL)5900 7220
TRANSPORT WND (MPH) NW 7 SW 29
VENT RATE (KT-FT) 37300 160540
CATEGORY DAY 3 5
INVERSION 62F/9AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 36 FAIR 3 VERY POOR 119 VERY GOOD
MAX ADI LATE 56 GEN GOOD 6 VERY POOR 158 VERY GOOD
MAX LVORI EARLY 4 3 2
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-172045-
MARION-
INCLUDING THE CITY OF FAIRMONT
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 78 (-5) 58 (-2) 84
RH % (24H TREND) 40 (+3) 73 (-23) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1850 2260
MIXING HGT(FT-AGL/MSL)6080 7410
TRANSPORT WND (MPH) NW 7 SW 29
VENT RATE (KT-FT) 40040 171240
CATEGORY DAY 3 5
INVERSION 59F/8AM 8PM 67F/9AM
DISPERSION 5 5
MAX ADI EARLY 45 GEN GOOD 3 VERY POOR 141 VERY GOOD
MAX ADI LATE 65 GOOD 5 VERY POOR 190 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-172045-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 77 (-6) 58 (-2) 84
RH % (24H TREND) 40 (+2) 73 (-22) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.12
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1740 2210
MIXING HGT(FT-AGL/MSL)5700 7250
TRANSPORT WND (MPH) NW 6 SW 28
VENT RATE (KT-FT) 35890 175080
CATEGORY DAY 3 5
INVERSION 60F/8AM 8PM 68F/9AM
DISPERSION 5 5
MAX ADI EARLY 41 GEN GOOD 3 VERY POOR 130 VERY GOOD
MAX ADI LATE 56 GEN GOOD 5 VERY POOR 170 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-172045-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 74 (-6) 56 (-2) 82
RH % (24H TREND) 42 (+6) 74 (-25) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5
WIND 20FT/LATE(MPH) NW 5 LGT/VAR SW 8 G20
PRECIP AMOUNT 0.00 0.00 0.12
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1520 2110
MIXING HGT(FT-AGL/MSL)5000 6920
TRANSPORT WND (MPH) NW 8 SW 29
VENT RATE (KT-FT) 42180 167950
CATEGORY DAY 3 5
INVERSION 59F/9AM 7PM 71F/10AM
DISPERSION 5 5
MAX ADI EARLY 35 FAIR 3 VERY POOR 111 VERY GOOD
MAX ADI LATE 51 GEN GOOD 5 VERY POOR 192 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-172045-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 76 (-5) 55 (-4) 82
RH % (24H TREND) 41 (+6) 75 (-23) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 8 G19
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1720 2160
MIXING HGT(FT-AGL/MSL)5640 7090
TRANSPORT WND (MPH) NW 9 SW 26
VENT RATE (KT-FT) 49100 157990
CATEGORY DAY 3 5
INVERSION 58F/8AM 8PM 66F/9AM
DISPERSION 5 5
MAX ADI EARLY 50 GEN GOOD 3 VERY POOR 122 VERY GOOD
MAX ADI LATE 62 GOOD 5 VERY POOR 190 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-172045-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-6) 55 (-3) 81
RH % (24H TREND) 42 (+6) 76 (-23) 36
WIND 20FT/EARLY(MPH) W 5 LGT/VAR S 5
WIND 20FT/LATE(MPH) NW 6 LGT/VAR SW 8 G19
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 3
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1620 2060
MIXING HGT(FT-AGL/MSL)5330 6750
TRANSPORT WND (MPH) NW 10 SW 25
VENT RATE (KT-FT) 47220 138090
CATEGORY DAY 4 5
INVERSION 57F/8AM 7PM 64F/9AM
DISPERSION 5 5
MAX ADI EARLY 54 GEN GOOD 4 VERY POOR 109 VERY GOOD
MAX ADI LATE 64 GOOD 5 VERY POOR 174 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-172045-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-6) 55 (-3) 83
RH % (24H TREND) 38 (+5) 74 (-21) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR SW 8 G20
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1780 2030
MIXING HGT(FT-AGL/MSL)5830 6640
TRANSPORT WND (MPH) NW 12 SW 23
VENT RATE (KT-FT) 55090 147040
CATEGORY DAY 4 5
INVERSION 57F/8AM 8PM 64F/9AM
DISPERSION 5 5
MAX ADI EARLY 72 GOOD 4 VERY POOR 128 VERY GOOD
MAX ADI LATE 78 GOOD 5 VERY POOR 161 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-172045-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1259 AM EDT FRI APR 17 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-7) 51 (-4) 80
RH % (24H TREND) 45 (+15) 77 (-19) 38
WIND 20FT/EARLY(MPH) W 8 G23 LGT/VAR S 5 G21
WIND 20FT/LATE(MPH) NW 8 G23 LGT/VAR SW 9 G23
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1590 2130
MIXING HGT(FT-AGL/MSL)5220 6980
TRANSPORT WND (MPH) NW 14 SW 24
VENT RATE (KT-FT) 80420 143120
CATEGORY DAY 4 5
INVERSION 55F/8AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 75 GOOD 5 VERY POOR 94 GOOD
MAX ADI LATE 84 GOOD 5 VERY POOR 154 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 50S. WEST
WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 40S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 20S. HIGHS IN
THE MID 60S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS AROUND 70. WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 10 TO 15 MPH.
SHALLENBERGER
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