717
FNUS51 KPBZ 250501
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
101 AM EDT MON MAY 25 2026
DISCUSSION
AN AREA SHOWERS WILL BE EXITING THE AREA THIS MORNING NORTH OF THE
MASON DIXON LINE. EXPECT SOME CONTINUED SHOWERS AND THUNDERSTORMS
THROUGH THE DAY IN NORTHERN WV. DRY CONDITIONS WILL THEN SET IN BY
THE AFTERNOON. WITH THE AMOUNT OF RAIN AND THE GREEN UP BASICALLY
COMPLETE, ANY CONCERN FOR FIRE WEATHER WILL BE MINIMAL IF NOT
NONE.
OHZ039-252030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 55 (-5) 82
RH % (24H TREND) 54 (-36) 91 (-9) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1280 1210
MIXING HGT(FT-AGL/MSL)4180 3980
TRANSPORT WND (MPH) N 8 NW 8
VENT RATE (KT-FT) 29260 27860
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 40 FAIR 3 VERY POOR 38 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-252030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+2) 54 (-5) 82
RH % (24H TREND) 53 (-35) 89 (-11) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1170
MIXING HGT(FT-AGL/MSL)4120 3820
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 28840 26740
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 31 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 41 GEN GOOD 3 VERY POOR 38 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-252030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 53 (-4) 82
RH % (24H TREND) 52 (-32) 91 (-9) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1180
MIXING HGT(FT-AGL/MSL)4140 3870
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 28980 27090
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 6 VERY POOR 14 GEN POOR
MAX ADI LATE 40 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-252030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 55 (-4) 82
RH % (24H TREND) 54 (-38) 94 (-6) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1220 1160
MIXING HGT(FT-AGL/MSL)4020 3810
TRANSPORT WND (MPH) NE 8 NE 7
VENT RATE (KT-FT) 28140 22860
CATEGORY DAY 3 2
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 2
MAX ADI EARLY 32 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 38 FAIR 3 VERY POOR 33 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-252030-
HARRISON-
INCLUDING THE CITY OF CADIZ
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 55 (-5) 82
RH % (24H TREND) 53 (-30) 93 (-7) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1260
MIXING HGT(FT-AGL/MSL)4130 4140
TRANSPORT WND (MPH) N 8 NW 8
VENT RATE (KT-FT) 28910 28980
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 5 VERY POOR 18 GEN POOR
MAX ADI LATE 31 FAIR 4 VERY POOR 38 FAIR
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-252030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 55 (-4) 82
RH % (24H TREND) 53 (-27) 91 (-9) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1250 1260
MIXING HGT(FT-AGL/MSL)4100 4130
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 28700 28910
CATEGORY DAY 3 3
INVERSION 63F/8AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-252030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 55 (-5) 82
RH % (24H TREND) 56 (-31) 96 (-4) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1120
MIXING HGT(FT-AGL/MSL)4060 3680
TRANSPORT WND (MPH) NE 8 SE 6
VENT RATE (KT-FT) 28420 18400
CATEGORY DAY 3 2
INVERSION 62F/8AM 8PM 70F/10AM
DISPERSION 3 2
MAX ADI EARLY 30 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 33 FAIR
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-252030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 56 (-4) 83
RH % (24H TREND) 55 (-30) 95 (-5) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1240
MIXING HGT(FT-AGL/MSL)4120 4080
TRANSPORT WND (MPH) N 8 NW 7
VENT RATE (KT-FT) 28840 24480
CATEGORY DAY 3 2
INVERSION 63F/8AM 8PM 71F/10AM
DISPERSION 3 2
MAX ADI EARLY 26 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-252030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 55 (-6) 82
RH % (24H TREND) 58 (-22) 97 (-3) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1190 1170
MIXING HGT(FT-AGL/MSL)3890 3850
TRANSPORT WND (MPH) N 8 W 5
VENT RATE (KT-FT) 27230 15400
CATEGORY DAY 3 2
INVERSION 63F/8AM 8PM 71F/10AM
DISPERSION 3 2
MAX ADI EARLY 23 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 33 FAIR 4 VERY POOR 35 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-252030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 56 (-4) 83
RH % (24H TREND) 59 (-24) 98 (-2) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1200 1320
MIXING HGT(FT-AGL/MSL)3930 4320
TRANSPORT WND (MPH) N 8 W 6
VENT RATE (KT-FT) 27510 21600
CATEGORY DAY 3 2
INVERSION 63F/8AM 8PM 66F/9AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-252030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 57 (-5) 82
RH % (24H TREND) 63 (-17) 96 (-4) 52
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1140 1370
MIXING HGT(FT-AGL/MSL)3740 4480
TRANSPORT WND (MPH) N 8 NW 8
VENT RATE (KT-FT) 26180 31360
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 33 FAIR 4 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-252030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 52 (-5) 83
RH % (24H TREND) 51 (-32) 94 (-6) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) N 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1250 1150
MIXING HGT(FT-AGL/MSL)4100 3770
TRANSPORT WND (MPH) N 9 W 9
VENT RATE (KT-FT) 32800 30160
CATEGORY DAY 3 3
INVERSION 61F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-252030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+8) 51 (-4) 83
RH % (24H TREND) 48 (-37) 94 (-6) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1360 1510
MIXING HGT(FT-AGL/MSL)4460 4940
TRANSPORT WND (MPH) N 8 W 10
VENT RATE (KT-FT) 31220 44460
CATEGORY DAY 3 3
INVERSION 63F/9AM 8PM 70F/10AM
DISPERSION 3 3
MAX ADI EARLY 28 FAIR 5 VERY POOR 19 GEN POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-252030-
FOREST-
INCLUDING THE CITY OF TIONESTA
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+11) 50 (-3) 83
RH % (24H TREND) 45 (-39) 93 (-5) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1320 1660
MIXING HGT(FT-AGL/MSL)4330 5460
TRANSPORT WND (MPH) N 9 W 10
VENT RATE (KT-FT) 34640 49140
CATEGORY DAY 3 4
INVERSION 63F/9AM 8PM 70F/10AM
DISPERSION 3 4
MAX ADI EARLY 27 FAIR 5 VERY POOR 21 FAIR
MAX ADI LATE 51 GEN GOOD 3 VERY POOR 73 GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-252030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+6) 53 (-4) 84
RH % (24H TREND) 51 (-30) 92 (-8) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1140
MIXING HGT(FT-AGL/MSL)4140 3730
TRANSPORT WND (MPH) N 9 W 8
VENT RATE (KT-FT) 33120 26110
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 6 VERY POOR 14 GEN POOR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 38 FAIR
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-252030-
BUTLER-
INCLUDING THE CITY OF BUTLER
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+6) 53 (-4) 83
RH % (24H TREND) 53 (-29) 95 (-5) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1350 1430
MIXING HGT(FT-AGL/MSL)4430 4690
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 31010 32830
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 42 GEN GOOD 4 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-252030-
CLARION-
INCLUDING THE CITY OF CLARION
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+8) 52 (-3) 83
RH % (24H TREND) 47 (-33) 93 (-6) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1430 1680
MIXING HGT(FT-AGL/MSL)4690 5500
TRANSPORT WND (MPH) N 8 W 9
VENT RATE (KT-FT) 32830 44000
CATEGORY DAY 3 3
INVERSION 64F/9AM 8PM 65F/9AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 19 GEN POOR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 61 GOOD
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-252030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+9) 51 (-2) 81
RH % (24H TREND) 47 (-28) 90 (-9) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1340 1650
MIXING HGT(FT-AGL/MSL)4400 5410
TRANSPORT WND (MPH) N 8 W 10
VENT RATE (KT-FT) 30800 48690
CATEGORY DAY 3 4
INVERSION 62F/9AM 8PM 65F/9AM
DISPERSION 3 4
MAX ADI EARLY 23 FAIR 5 VERY POOR 23 FAIR
MAX ADI LATE 33 FAIR 4 VERY POOR 67 GOOD
MAX LVORI EARLY 8 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-252030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 55 (-4) 83
RH % (24H TREND) 53 (-25) 90 (-10) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1270 1330
MIXING HGT(FT-AGL/MSL)4180 4380
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 29260 30660
CATEGORY DAY 3 3
INVERSION 63F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 38 FAIR 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-252030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 56 (-3) 83
RH % (24H TREND) 59 (-14) 94 (-5) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1280 1400
MIXING HGT(FT-AGL/MSL)4210 4590
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 29470 32130
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 7 5 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-252030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 54 (-2) 83
RH % (24H TREND) 54 (-20) 97 (-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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1360 1510
MIXING HGT(FT-AGL/MSL)4470 4950
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 31290 34650
CATEGORY DAY 3 3
INVERSION 62F/8AM 8PM 66F/9AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-252030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (0) 56 (-3) 81
RH % (24H TREND) 60 (-15) 94 (-6) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1170 1230
MIXING HGT(FT-AGL/MSL)3850 4020
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 26950 28140
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-252030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+1) 57 (-3) 81
RH % (24H TREND) 69 (-8) 95 (-5) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1050 1420
MIXING HGT(FT-AGL/MSL)3450 4650
TRANSPORT WND (MPH) N 9 W 8
VENT RATE (KT-FT) 27600 32550
CATEGORY DAY 3 3
INVERSION 66F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 6 VERY POOR 18 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 4 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-252030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+1) 56 (-2) 82
RH % (24H TREND) 61 (-9) 100 (0) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1230 1390
MIXING HGT(FT-AGL/MSL)4020 4560
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 28140 31920
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-252030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+6) 57 (+1) 82
RH % (24H TREND) 58 (-8) 94 (-6) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1070 1610
MIXING HGT(FT-AGL/MSL)3500 5290
TRANSPORT WND (MPH) N 8 W 9
VENT RATE (KT-FT) 24500 42320
CATEGORY DAY 3 3
INVERSION 64F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 19 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-252030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 56 (-3) 81
RH % (24H TREND) 67 (-1) 99 (-1) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1130 1360
MIXING HGT(FT-AGL/MSL)3710 4450
TRANSPORT WND (MPH) N 9 W 8
VENT RATE (KT-FT) 29680 31150
CATEGORY DAY 3 3
INVERSION 67F/9AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-252030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+4) 56 (0) 80
RH % (24H TREND) 65 (-5) 98 (-2) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM 1 PM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1040 1550
MIXING HGT(FT-AGL/MSL)3410 5100
TRANSPORT WND (MPH) N 9 W 8
VENT RATE (KT-FT) 27280 35700
CATEGORY DAY 3 3
INVERSION 65F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 17 GEN POOR 4 VERY POOR 23 FAIR
MAX ADI LATE 32 FAIR 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-252030-
INDIANA-
INCLUDING THE CITY OF INDIANA
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 55 (0) 83
RH % (24H TREND) 55 (-15) 97 (-3) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1200 1570
MIXING HGT(FT-AGL/MSL)3920 5160
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 27440 36120
CATEGORY DAY 3 3
INVERSION 64F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 7 6 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-252030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 56 (+1) 82
RH % (24H TREND) 57 (-11) 94 (-6) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(M-AGL/MSL) 1150 1680
MIXING HGT(FT-AGL/MSL)3780 5500
TRANSPORT WND (MPH) N 8 W 9
VENT RATE (KT-FT) 26460 44000
CATEGORY DAY 3 3
INVERSION 64F/9AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 23 FAIR
MAX ADI LATE 29 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 8 6 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-252030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 56 (-3) 82
RH % (24H TREND) 52 (-24) 89 (-11) 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 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1270 1320
MIXING HGT(FT-AGL/MSL)4160 4340
TRANSPORT WND (MPH) N 7 W 8
VENT RATE (KT-FT) 24960 30380
CATEGORY DAY 2 3
INVERSION 63F/8AM 8PM 70F/10AM
DISPERSION 2 3
MAX ADI EARLY 27 FAIR 5 VERY POOR 15 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-252030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+2) 57 (-3) 82
RH % (24H TREND) 55 (-21) 89 (-9) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1230
MIXING HGT(FT-AGL/MSL)4070 4020
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 28490 28140
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 71F/10AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 37 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-252030-
OHIO-
INCLUDING THE CITY OF WHEELING
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+2) 57 (-3) 81
RH % (24H TREND) 59 (-18) 93 (-7) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1210 1150
MIXING HGT(FT-AGL/MSL)3970 3780
TRANSPORT WND (MPH) N 8 W 5
VENT RATE (KT-FT) 27790 15120
CATEGORY DAY 3 2
INVERSION 64F/8AM 8PM 71F/10AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 5 VERY POOR 17 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 38 FAIR
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-252030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 58 (-4) 83
RH % (24H TREND) 65 (-16) 91 (-9) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1120 1340
MIXING HGT(FT-AGL/MSL)3670 4390
TRANSPORT WND (MPH) N 8 NW 8
VENT RATE (KT-FT) 25690 30730
CATEGORY DAY 3 3
INVERSION 65F/8AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-252030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (+1) 59 (-3) 81
RH % (24H TREND) 72 (-11) 94 (-6) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 11 AM 2 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1080 1510
MIXING HGT(FT-AGL/MSL)3530 4970
TRANSPORT WND (MPH) N 8 NW 8
VENT RATE (KT-FT) 24710 34790
CATEGORY DAY 3 3
INVERSION 65F/8AM 8PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 18 GEN POOR
MAX ADI LATE 32 FAIR 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-252030-
MARION-
INCLUDING THE CITY OF FAIRMONT
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 20 30
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 75 (-1) 58 (-2) 80
RH % (24H TREND) 75 (-2) 100 (0) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 2 0 1
PRECIP BEGIN 6 AM CONTINUING 10 AM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1060 1490
MIXING HGT(FT-AGL/MSL)3470 4890
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 24290 34230
CATEGORY DAY 3 3
INVERSION 64F/8AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 16 GEN POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-252030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 50 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (0) 59 (-2) 80
RH % (24H TREND) 72 (-2) 97 (-2) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM 1 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1110 1470
MIXING HGT(FT-AGL/MSL)3630 4830
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 25410 33810
CATEGORY DAY 3 3
INVERSION 67F/9AM 8PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 6 VERY POOR 19 GEN POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 4 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-252030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (0) 58 (0) 78
RH % (24H TREND) 72 (+1) 100 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM 10 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1380
MIXING HGT(FT-AGL/MSL)3370 4520
TRANSPORT WND (MPH) N 8 W 8
VENT RATE (KT-FT) 23590 31640
CATEGORY DAY 3 3
INVERSION 65F/9AM 7PM 67F/9AM
DISPERSION 3 3
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-252030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 0 40
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 74 (-1) 57 (-1) 79
RH % (24H TREND) 70 (+1) 100 (0) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.09 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM 9 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1430
MIXING HGT(FT-AGL/MSL)3360 4700
TRANSPORT WND (MPH) N 8 W 9
VENT RATE (KT-FT) 23520 37600
CATEGORY DAY 3 3
INVERSION 65F/9AM 7PM 68F/9AM
DISPERSION 3 3
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-252030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 50
CHANCE OF THUNDER (%) 40 0 20
TEMP (24H TREND) 73 (+1) 57 (+1) 77
RH % (24H TREND) 72 (-1) 100 (0) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.01 0.01
PRECIP DURATION 4 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990 1460
MIXING HGT(FT-AGL/MSL)3240 4790
TRANSPORT WND (MPH) N 7 W 8
VENT RATE (KT-FT) 19440 33530
CATEGORY DAY 2 3
INVERSION 65F/11AM 8PM 65F/9AM
DISPERSION 2 3
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 22 FAIR
MAX ADI LATE 26 FAIR 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-252030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 40 60
CHANCE OF THUNDER (%) 40 30 20
TEMP (24H TREND) 74 (-2) 58 (0) 78
RH % (24H TREND) 70 (+3) 100 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.01 0.02
PRECIP DURATION 6 1 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 960 1080
MIXING HGT(FT-AGL/MSL)3150 3540
TRANSPORT WND (MPH) N 7 W 7
VENT RATE (KT-FT) 18900 21240
CATEGORY DAY 2 2
INVERSION 63F/9AM 8PM 65F/9AM
DISPERSION 2 2
MAX ADI EARLY 12 POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 31 FAIR
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 5 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-252030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
101 AM EDT MON MAY 25 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 60 70
CHANCE OF THUNDER (%) 40 30 30
TEMP (24H TREND) 71 (-3) 55 (0) 74
RH % (24H TREND) 78 (+8) 100 (0) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.02 0.03
PRECIP DURATION 6 3 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 870 900
MIXING HGT(FT-AGL/MSL)2850 2960
TRANSPORT WND (MPH) NW 7 S 7
VENT RATE (KT-FT) 17100 17760
CATEGORY DAY 2 2
INVERSION 62F/9AM 8PM 63F/9AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 3 VERY POOR 19 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS AROUND 80. LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 70S. NORTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. NORTHEAST WINDS 5 TO 10 MPH.
SHALLENBERGER
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