233
FNUS51 KPBZ 300457
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1257 AM EDT THU APR 30 2026
DISCUSSION
LIGHT, SCATTERED SHOWERS ARE EXPECTED THIS MORNING, TAPERING OFF
EARLY AFTERNOON. MORE WIDESPREAD RAIN CHANCES AND ISOLATED
THUNDERSTORMS ARE THEN EXPECTED FRIDAY WITH LIGHT SHOWERS AGAIN ON
SATURDAY. DRIER WEATHER RETURNS ON SUNDAY, WITH MINIMUM RH VALUES
DROPPING INTO THE 30S THAT AFTERNOON. PERIODIC RAIN CHANCES THEN
RETURN FOR MUCH OF NEXT WEEK.
OHZ039-302015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 54 (-5) 36 (-8) 53
RH % (24H TREND) 50 (-31) 91 (-5) 63
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.16
PRECIP DURATION 0 6
PRECIP BEGIN 6 AM 7 AM
PRECIP END 8 AM 6 PM
MIXING HGT(M-AGL/MSL) 1340 1000
MIXING HGT(FT-AGL/MSL)4400 3290
TRANSPORT WND (MPH) NW 16 NW 10
VENT RATE (KT-FT) 103950 29610
CATEGORY DAY 4 3
INVERSION 44F/6AM 8PM 42F/9AM
DISPERSION 5 3
MAX ADI EARLY 53 GEN GOOD 13 GEN POOR 11 POOR
MAX ADI LATE 69 GOOD 2 VERY POOR 33 FAIR
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-302015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 54 (-5) 35 (-9) 52
RH % (24H TREND) 50 (-33) 91 (-6) 65
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.16
PRECIP DURATION 0 5
PRECIP BEGIN 6 AM 7 AM
PRECIP END 9 AM 6 PM
MIXING HGT(M-AGL/MSL) 1400 960
MIXING HGT(FT-AGL/MSL)4590 3130
TRANSPORT WND (MPH) NW 17 NW 9
VENT RATE (KT-FT) 100370 25040
CATEGORY DAY 4 2
INVERSION 43F/6AM 8PM 42F/9AM
DISPERSION 5 2
MAX ADI EARLY 52 GEN GOOD 14 GEN POOR 12 POOR
MAX ADI LATE 68 GOOD 3 VERY POOR 27 FAIR
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 2 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-302015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-5) 35 (-8) 51
RH % (24H TREND) 50 (-36) 91 (-4) 66
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.12
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 7 AM
PRECIP END 9 AM 6 PM
MIXING HGT(M-AGL/MSL) 1450 830
MIXING HGT(FT-AGL/MSL)4750 2710
TRANSPORT WND (MPH) NW 18 NW 8
VENT RATE (KT-FT) 122320 18970
CATEGORY DAY 4 2
INVERSION 43F/6AM 8PM 42F/9AM
DISPERSION 5 2
MAX ADI EARLY 49 GEN GOOD 24 FAIR 13 GEN POOR
MAX ADI LATE 74 GOOD 3 VERY POOR 23 FAIR
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-302015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 55 (-3) 36 (-8) 53
RH % (24H TREND) 47 (-32) 92 (-5) 60
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.14
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1600 1130
MIXING HGT(FT-AGL/MSL)5240 3720
TRANSPORT WND (MPH) NW 17 NW 10
VENT RATE (KT-FT) 122630 33480
CATEGORY DAY 4 3
INVERSION 44F/6AM 8PM 44F/10AM
DISPERSION 5 3
MAX ADI EARLY 50 GEN GOOD 11 POOR 11 POOR
MAX ADI LATE 72 GOOD 2 VERY POOR 37 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-302015-
HARRISON-
INCLUDING THE CITY OF CADIZ
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 55 (-7) 35 (-9) 53
RH % (24H TREND) 50 (-32) 92 (-4) 63
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 7 AM
PRECIP END 9 AM 6 PM
MIXING HGT(M-AGL/MSL) 1410 890
MIXING HGT(FT-AGL/MSL)4630 2900
TRANSPORT WND (MPH) NW 16 NW 9
VENT RATE (KT-FT) 101220 23200
CATEGORY DAY 4 2
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 2
MAX ADI EARLY 50 GEN GOOD 20 GEN POOR 13 GEN POOR
MAX ADI LATE 65 GOOD 2 VERY POOR 27 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-302015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 55 (-7) 35 (-10) 53
RH % (24H TREND) 48 (-34) 90 (-6) 63
WIND 20FT/EARLY(MPH) NW 7 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 7 AM
PRECIP END 9 AM 6 PM
MIXING HGT(M-AGL/MSL) 1470 880
MIXING HGT(FT-AGL/MSL)4810 2870
TRANSPORT WND (MPH) NW 17 NW 8
VENT RATE (KT-FT) 98380 20090
CATEGORY DAY 4 2
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 2
MAX ADI EARLY 46 GEN GOOD 22 FAIR 15 GEN POOR
MAX ADI LATE 68 GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-302015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 56 (-5) 36 (-9) 56
RH % (24H TREND) 44 (-34) 91 (-6) 58
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1780 1170
MIXING HGT(FT-AGL/MSL)5840 3830
TRANSPORT WND (MPH) NW 17 NW 13
VENT RATE (KT-FT) 112390 42130
CATEGORY DAY 4 3
INVERSION 44F/6AM 8PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 48 GEN GOOD 11 POOR 16 GEN POOR
MAX ADI LATE 105 VERY GOOD2 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-302015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 56 (-6) 36 (-9) 55
RH % (24H TREND) 46 (-35) 93 (-4) 60
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 5
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1510 1030
MIXING HGT(FT-AGL/MSL)4960 3380
TRANSPORT WND (MPH) NW 17 NW 12
VENT RATE (KT-FT) 108180 33800
CATEGORY DAY 4 3
INVERSION 45F/6AM 8PM 44F/9AM
DISPERSION 5 3
MAX ADI EARLY 49 GEN GOOD 11 POOR 18 GEN POOR
MAX ADI LATE 73 GOOD 2 VERY POOR 39 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-302015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 56 (-8) 35 (-12) 56
RH % (24H TREND) 48 (-36) 94 (-2) 62
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 8
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1510 920
MIXING HGT(FT-AGL/MSL)4940 3010
TRANSPORT WND (MPH) NW 16 SW 10
VENT RATE (KT-FT) 106490 27090
CATEGORY DAY 4 3
INVERSION 45F/7AM 8PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 46 GEN GOOD 21 FAIR 31 FAIR
MAX ADI LATE 66 GOOD 2 VERY POOR 33 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-302015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 57 (-8) 36 (-11) 57
RH % (24H TREND) 46 (-36) 94 (-5) 60
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 8
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1600 1080
MIXING HGT(FT-AGL/MSL)5260 3530
TRANSPORT WND (MPH) NW 17 W 14
VENT RATE (KT-FT) 120890 42360
CATEGORY DAY 4 3
INVERSION 45F/7AM 9PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 48 GEN GOOD 11 POOR 34 FAIR
MAX ADI LATE 74 GOOD 2 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-302015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 57 (-9) 36 (-12) 59
RH % (24H TREND) 48 (-35) 93 (-5) 58
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 8
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1540 1230
MIXING HGT(FT-AGL/MSL)5050 4030
TRANSPORT WND (MPH) NW 16 SW 14
VENT RATE (KT-FT) 110330 48360
CATEGORY DAY 4 3
INVERSION 46F/6AM 8PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 48 GEN GOOD 11 POOR 49 GEN GOOD
MAX ADI LATE 66 GOOD 2 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-302015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (-4) 33 (-8) 50
RH % (24H TREND) 52 (-37) 100 (+1) 65
WIND 20FT/EARLY(MPH) NW 8 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 10 AM 6 PM
MIXING HGT(M-AGL/MSL) 1430 1110
MIXING HGT(FT-AGL/MSL)4710 3640
TRANSPORT WND (MPH) NW 20 W 8
VENT RATE (KT-FT) 137730 25480
CATEGORY DAY 4 3
INVERSION 41F/6AM 8PM 42F/9AM
DISPERSION 5 3
MAX ADI EARLY 48 GEN GOOD 25 FAIR 28 FAIR
MAX ADI LATE 68 GOOD 3 VERY POOR 27 FAIR
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-302015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (-5) 32 (-9) 51
RH % (24H TREND) 55 (-34) 100 (0) 63
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 12 PM 6 PM
MIXING HGT(M-AGL/MSL) 1350 1450
MIXING HGT(FT-AGL/MSL)4420 4770
TRANSPORT WND (MPH) W 20 W 10
VENT RATE (KT-FT) 139520 42930
CATEGORY DAY 4 3
INVERSION 41F/6AM 9PM 38F/8AM
DISPERSION 5 3
MAX ADI EARLY 39 FAIR 21 FAIR 51 GEN GOOD
MAX ADI LATE 75 GOOD 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-302015-
FOREST-
INCLUDING THE CITY OF TIONESTA
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 51 (-6) 31 (-10) 51
RH % (24H TREND) 53 (-36) 99 (-1) 56
WIND 20FT/EARLY(MPH) NW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 1 PM 6 PM
MIXING HGT(M-AGL/MSL) 1240 1630
MIXING HGT(FT-AGL/MSL)4060 5350
TRANSPORT WND (MPH) NW 20 W 13
VENT RATE (KT-FT) 173720 58850
CATEGORY DAY 4 4
INVERSION 41F/6AM 8PM 37F/8AM
DISPERSION 5 4
MAX ADI EARLY 33 FAIR 12 POOR 76 GOOD
MAX ADI LATE 69 GOOD 4 VERY POOR 74 GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-302015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-3) 33 (-9) 52
RH % (24H TREND) 49 (-40) 96 (-3) 65
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 10 AM 6 PM
MIXING HGT(M-AGL/MSL) 1430 790
MIXING HGT(FT-AGL/MSL)4710 2580
TRANSPORT WND (MPH) NW 20 SW 6
VENT RATE (KT-FT) 127990 12900
CATEGORY DAY 4 2
INVERSION 43F/6AM 8PM 43F/9AM
DISPERSION 5 2
MAX ADI EARLY 49 GEN GOOD 25 FAIR 18 GEN POOR
MAX ADI LATE 74 GOOD 3 VERY POOR 20 GEN POOR
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-302015-
BUTLER-
INCLUDING THE CITY OF BUTLER
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-6) 32 (-11) 51
RH % (24H TREND) 55 (-35) 100 (0) 71
WIND 20FT/EARLY(MPH) NW 7 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 12 PM 6 PM
MIXING HGT(M-AGL/MSL) 1310 1100
MIXING HGT(FT-AGL/MSL)4280 3590
TRANSPORT WND (MPH) NW 20 W 8
VENT RATE (KT-FT) 140540 25130
CATEGORY DAY 4 3
INVERSION 43F/6AM 8PM 42F/9AM
DISPERSION 5 3
MAX ADI EARLY 44 GEN GOOD 25 FAIR 27 FAIR
MAX ADI LATE 74 GOOD 3 VERY POOR 24 FAIR
MAX LVORI EARLY 5 5 7
MAX LVORI LATE 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-302015-
CLARION-
INCLUDING THE CITY OF CLARION
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 53 (-6) 32 (-11) 52
RH % (24H TREND) 53 (-34) 99 (-1) 61
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 1 PM 6 PM
MIXING HGT(M-AGL/MSL) 1280 1500
MIXING HGT(FT-AGL/MSL)4180 4910
TRANSPORT WND (MPH) NW 20 W 12
VENT RATE (KT-FT) 158840 49100
CATEGORY DAY 4 3
INVERSION 42F/6AM 8PM 41F/9AM
DISPERSION 5 3
MAX ADI EARLY 38 FAIR 26 FAIR 62 GOOD
MAX ADI LATE 72 GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 6 4 7
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-302015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 52 (-6) 32 (-11) 51
RH % (24H TREND) 54 (-24) 95 (-4) 57
WIND 20FT/EARLY(MPH) NW 6 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G17 LGT/VAR W 6
PRECIP AMOUNT 0.02 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1190 1600
MIXING HGT(FT-AGL/MSL)3900 5250
TRANSPORT WND (MPH) NW 20 W 13
VENT RATE (KT-FT) 153250 57750
CATEGORY DAY 4 4
INVERSION 42F/6AM 8PM 37F/8AM
DISPERSION 5 4
MAX ADI EARLY 34 FAIR 26 FAIR 77 GOOD
MAX ADI LATE 66 GOOD 4 VERY POOR 74 GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-302015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-6) 35 (-10) 52
RH % (24H TREND) 48 (-37) 91 (-6) 66
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 5
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 10 AM 6 PM
MIXING HGT(M-AGL/MSL) 1450 820
MIXING HGT(FT-AGL/MSL)4740 2700
TRANSPORT WND (MPH) NW 18 SW 7
VENT RATE (KT-FT) 99500 16200
CATEGORY DAY 4 2
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 2
MAX ADI EARLY 45 GEN GOOD 25 FAIR 19 GEN POOR
MAX ADI LATE 75 GOOD 3 VERY POOR 20 GEN POOR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-302015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-8) 35 (-11) 54
RH % (24H TREND) 52 (-34) 94 (-4) 64
WIND 20FT/EARLY(MPH) NW 7 NW 6 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 7
PRECIP AMOUNT 0.01 0.00 0.10
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 12 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1410 1010
MIXING HGT(FT-AGL/MSL)4630 3310
TRANSPORT WND (MPH) NW 18 SW 9
VENT RATE (KT-FT) 104770 26480
CATEGORY DAY 4 3
INVERSION 46F/6AM 8PM 43F/9AM
DISPERSION 5 3
MAX ADI EARLY 44 GEN GOOD 25 FAIR 32 FAIR
MAX ADI LATE 62 GOOD 3 VERY POOR 32 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-302015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-6) 33 (-11) 52
RH % (24H TREND) 55 (-33) 100 (0) 66
WIND 20FT/EARLY(MPH) NW 6 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 5
PRECIP AMOUNT 0.02 0.00 0.07
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 1 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1290 1340
MIXING HGT(FT-AGL/MSL)4240 4390
TRANSPORT WND (MPH) NW 20 W 10
VENT RATE (KT-FT) 135600 39510
CATEGORY DAY 4 3
INVERSION 43F/6AM 8PM 42F/9AM
DISPERSION 5 3
MAX ADI EARLY 40 FAIR 26 FAIR 43 GEN GOOD
MAX ADI LATE 73 GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 6 4 8
MAX LVORI LATE 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-302015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 55 (-9) 35 (-11) 55
RH % (24H TREND) 51 (-34) 94 (-3) 64
WIND 20FT/EARLY(MPH) NW 7 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 12 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1460 1080
MIXING HGT(FT-AGL/MSL)4780 3540
TRANSPORT WND (MPH) NW 17 SW 10
VENT RATE (KT-FT) 86060 31860
CATEGORY DAY 4 3
INVERSION 46F/6AM 8PM 43F/9AM
DISPERSION 5 3
MAX ADI EARLY 44 GEN GOOD 24 FAIR 32 FAIR
MAX ADI LATE 61 GOOD 3 VERY POOR 32 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-302015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 55 (-11) 35 (-12) 56
RH % (24H TREND) 53 (-33) 95 (-4) 58
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1490 1380
MIXING HGT(FT-AGL/MSL)4890 4510
TRANSPORT WND (MPH) NW 16 SW 13
VENT RATE (KT-FT) 83120 49610
CATEGORY DAY 4 4
INVERSION 46F/7AM 8PM 44F/9AM
DISPERSION 5 4
MAX ADI EARLY 48 GEN GOOD 15 GEN POOR 47 GEN GOOD
MAX ADI LATE 79 GOOD 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-302015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-9) 34 (-12) 55
RH % (24H TREND) 55 (-33) 99 (-1) 62
WIND 20FT/EARLY(MPH) W 7 NW 6 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G17 LGT/VAR W 7
PRECIP AMOUNT 0.04 0.00 0.07
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 1 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1330 1270
MIXING HGT(FT-AGL/MSL)4360 4160
TRANSPORT WND (MPH) NW 18 SW 12
VENT RATE (KT-FT) 118030 41600
CATEGORY DAY 4 3
INVERSION 45F/6AM 8PM 44F/9AM
DISPERSION 5 3
MAX ADI EARLY 42 GEN GOOD 24 FAIR 42 GEN GOOD
MAX ADI LATE 56 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-302015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 50 0 70
CHANCE OF THUNDER (%) 10 0 0
TEMP (24H TREND) 55 (-7) 34 (-11) 56
RH % (24H TREND) 52 (-32) 92 (-7) 56
WIND 20FT/EARLY(MPH) W 6 NW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G19 LGT/VAR W 6
PRECIP AMOUNT 0.09 0.00 0.07
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1180 1430
MIXING HGT(FT-AGL/MSL)3860 4700
TRANSPORT WND (MPH) NW 20 W 13
VENT RATE (KT-FT) 145990 51700
CATEGORY DAY 4 4
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 4
MAX ADI EARLY 38 FAIR 26 FAIR 51 GEN GOOD
MAX ADI LATE 64 GOOD 4 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-302015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 40 0 70
CHANCE OF THUNDER (%) 10 0 10
TEMP (24H TREND) 55 (-10) 35 (-12) 57
RH % (24H TREND) 54 (-26) 98 (-1) 58
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 3 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1330 1360
MIXING HGT(FT-AGL/MSL)4350 4450
TRANSPORT WND (MPH) NW 17 SW 12
VENT RATE (KT-FT) 94850 44500
CATEGORY DAY 4 3
INVERSION 46F/6AM 8PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 47 GEN GOOD 22 FAIR 44 GEN GOOD
MAX ADI LATE 68 GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-302015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 70
CHANCE OF THUNDER (%) 10 0 10
TEMP (24H TREND) 53 (-9) 34 (-11) 55
RH % (24H TREND) 56 (-30) 95 (-4) 56
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 6
PRECIP AMOUNT 0.08 0.00 0.06
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1180 1410
MIXING HGT(FT-AGL/MSL)3880 4630
TRANSPORT WND (MPH) NW 18 W 14
VENT RATE (KT-FT) 113800 55560
CATEGORY DAY 4 4
INVERSION 44F/6AM 8PM 42F/9AM
DISPERSION 5 4
MAX ADI EARLY 49 GEN GOOD 13 GEN POOR 52 GEN GOOD
MAX ADI LATE 66 GOOD 4 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-302015-
INDIANA-
INCLUDING THE CITY OF INDIANA
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-7) 33 (-12) 54
RH % (24H TREND) 56 (-31) 98 (-2) 61
WIND 20FT/EARLY(MPH) NW 6 NW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G18 LGT/VAR W 6
PRECIP AMOUNT 0.03 0.00 0.06
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1170 1460
MIXING HGT(FT-AGL/MSL)3840 4780
TRANSPORT WND (MPH) NW 20 W 13
VENT RATE (KT-FT) 146060 52580
CATEGORY DAY 4 4
INVERSION 44F/6AM 8PM 42F/9AM
DISPERSION 5 4
MAX ADI EARLY 36 FAIR 26 FAIR 64 GOOD
MAX ADI LATE 58 GEN GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-302015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (-7) 34 (-11) 54
RH % (24H TREND) 56 (-30) 92 (-7) 59
WIND 20FT/EARLY(MPH) NW 6 NW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G18 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.00 0.06
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 2 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1040 1370
MIXING HGT(FT-AGL/MSL)3410 4510
TRANSPORT WND (MPH) NW 20 W 13
VENT RATE (KT-FT) 142130 49610
CATEGORY DAY 4 4
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 4
MAX ADI EARLY 38 FAIR 26 FAIR 64 GOOD
MAX ADI LATE 51 GEN GOOD 4 VERY POOR 61 GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-302015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (-6) 36 (-9) 52
RH % (24H TREND) 48 (-34) 90 (-6) 66
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 9 AM 6 PM
MIXING HGT(M-AGL/MSL) 1570 780
MIXING HGT(FT-AGL/MSL)5130 2570
TRANSPORT WND (MPH) NW 17 NW 7
VENT RATE (KT-FT) 96930 15420
CATEGORY DAY 4 2
INVERSION 45F/6AM 8PM 43F/9AM
DISPERSION 5 2
MAX ADI EARLY 45 GEN GOOD 24 FAIR 17 GEN POOR
MAX ADI LATE 75 GOOD 3 VERY POOR 20 GEN POOR
MAX LVORI EARLY 4 3 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-302015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 56 (-8) 37 (-9) 55
RH % (24H TREND) 47 (-34) 89 (-8) 62
WIND 20FT/EARLY(MPH) NW 6 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 0 8
PRECIP BEGIN 6 AM 8 AM
PRECIP END 10 AM 6 PM
MIXING HGT(M-AGL/MSL) 1540 830
MIXING HGT(FT-AGL/MSL)5040 2740
TRANSPORT WND (MPH) NW 16 W 8
VENT RATE (KT-FT) 89010 19180
CATEGORY DAY 4 2
INVERSION 46F/6AM 8PM 44F/9AM
DISPERSION 5 2
MAX ADI EARLY 43 GEN GOOD 23 FAIR 17 GEN POOR
MAX ADI LATE 68 GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-302015-
OHIO-
INCLUDING THE CITY OF WHEELING
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 55 (-9) 35 (-12) 55
RH % (24H TREND) 49 (-35) 93 (-3) 63
WIND 20FT/EARLY(MPH) NW 7 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 0 8
PRECIP BEGIN 8 AM 8 AM
PRECIP END 11 AM 6 PM
MIXING HGT(M-AGL/MSL) 1510 940
MIXING HGT(FT-AGL/MSL)4960 3070
TRANSPORT WND (MPH) NW 16 SW 9
VENT RATE (KT-FT) 93600 24560
CATEGORY DAY 4 2
INVERSION 46F/6AM 8PM 44F/9AM
DISPERSION 5 2
MAX ADI EARLY 43 GEN GOOD 23 FAIR 30 FAIR
MAX ADI LATE 67 GOOD 2 VERY POOR 32 FAIR
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-302015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 57 (-8) 36 (-12) 57
RH % (24H TREND) 50 (-35) 92 (-4) 61
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 8 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1580 1280
MIXING HGT(FT-AGL/MSL)5190 4190
TRANSPORT WND (MPH) W 16 SW 13
VENT RATE (KT-FT) 98990 46090
CATEGORY DAY 4 3
INVERSION 46F/7AM 8PM 45F/9AM
DISPERSION 5 3
MAX ADI EARLY 45 GEN GOOD 22 FAIR 47 GEN GOOD
MAX ADI LATE 67 GOOD 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 5 3 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-302015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 30 0 60
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 56 (-9) 36 (-13) 57
RH % (24H TREND) 52 (-34) 93 (-5) 58
WIND 20FT/EARLY(MPH) NW 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 0 4
PRECIP BEGIN 10 AM 8 AM
PRECIP END 12 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1500 1360
MIXING HGT(FT-AGL/MSL)4930 4460
TRANSPORT WND (MPH) NW 17 SW 14
VENT RATE (KT-FT) 83530 53520
CATEGORY DAY 4 4
INVERSION 46F/7AM 8PM 44F/9AM
DISPERSION 5 4
MAX ADI EARLY 51 GEN GOOD 11 POOR 55 GEN GOOD
MAX ADI LATE 69 GOOD 2 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 3 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-302015-
MARION-
INCLUDING THE CITY OF FAIRMONT
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 40 0 60
CHANCE OF THUNDER (%) 0 0 10
TEMP (24H TREND) 55 (-10) 35 (-13) 58
RH % (24H TREND) 55 (-31) 97 (-3) 56
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.04
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1480
MIXING HGT(FT-AGL/MSL)4770 4850
TRANSPORT WND (MPH) NW 16 SW 14
VENT RATE (KT-FT) 83940 58200
CATEGORY DAY 4 4
INVERSION 46F/7AM 9PM 44F/9AM
DISPERSION 5 4
MAX ADI EARLY 49 GEN GOOD 11 POOR 50 GEN GOOD
MAX ADI LATE 71 GOOD 3 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 7 4 7
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-302015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 40 0 70
CHANCE OF THUNDER (%) 20 0 10
TEMP (24H TREND) 55 (-10) 35 (-13) 57
RH % (24H TREND) 53 (-33) 96 (-3) 55
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 7 LGT/VAR W 6
PRECIP AMOUNT 0.02 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1400 1450
MIXING HGT(FT-AGL/MSL)4610 4740
TRANSPORT WND (MPH) NW 17 SW 13
VENT RATE (KT-FT) 82270 52140
CATEGORY DAY 4 4
INVERSION 46F/7AM 8PM 45F/9AM
DISPERSION 5 4
MAX ADI EARLY 48 GEN GOOD 11 POOR 46 GEN GOOD
MAX ADI LATE 69 GOOD 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-302015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 70
CHANCE OF THUNDER (%) 20 0 10
TEMP (24H TREND) 53 (-10) 34 (-12) 55
RH % (24H TREND) 56 (-31) 97 (-3) 56
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR W 6
PRECIP AMOUNT 0.06 0.00 0.05
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1160 1330
MIXING HGT(FT-AGL/MSL)3810 4380
TRANSPORT WND (MPH) NW 18 W 13
VENT RATE (KT-FT) 78400 48180
CATEGORY DAY 4 3
INVERSION 44F/7AM 8PM 42F/9AM
DISPERSION 5 3
MAX ADI EARLY 47 GEN GOOD 12 POOR 43 GEN GOOD
MAX ADI LATE 67 GOOD 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 7 4 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-302015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 0 70
CHANCE OF THUNDER (%) 20 0 10
TEMP (24H TREND) 54 (-9) 34 (-13) 58
RH % (24H TREND) 56 (-32) 97 (-3) 52
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.00 0.04
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1260 1540
MIXING HGT(FT-AGL/MSL)4140 5040
TRANSPORT WND (MPH) NW 18 W 14
VENT RATE (KT-FT) 100230 60480
CATEGORY DAY 4 4
INVERSION 45F/6AM 8PM 40F/8AM
DISPERSION 5 4
MAX ADI EARLY 58 GEN GOOD 12 POOR 57 GEN GOOD
MAX ADI LATE 71 GOOD 4 VERY POOR 66 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-302015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 70
CHANCE OF THUNDER (%) 20 0 10
TEMP (24H TREND) 52 (-9) 34 (-12) 56
RH % (24H TREND) 58 (-32) 96 (-4) 52
WIND 20FT/EARLY(MPH) W 7 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 8 G17 LGT/VAR W 7
PRECIP AMOUNT 0.05 0.00 0.05
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1120 1520
MIXING HGT(FT-AGL/MSL)3680 4990
TRANSPORT WND (MPH) NW 21 W 16
VENT RATE (KT-FT) 108800 69860
CATEGORY DAY 4 4
INVERSION 44F/6AM 8PM 42F/9AM
DISPERSION 5 4
MAX ADI EARLY 58 GEN GOOD 26 FAIR 70 GOOD
MAX ADI LATE 69 GOOD 6 VERY POOR 85 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-302015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 60
CHANCE OF THUNDER (%) 20 0 10
TEMP (24H TREND) 54 (-8) 34 (-12) 59
RH % (24H TREND) 53 (-34) 95 (-5) 46
WIND 20FT/EARLY(MPH) NW 6 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) NW 8 G17 LGT/VAR W 7
PRECIP AMOUNT 0.05 0.00 0.03
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1360 1770
MIXING HGT(FT-AGL/MSL)4450 5810
TRANSPORT WND (MPH) NW 21 W 16
VENT RATE (KT-FT) 100250 81340
CATEGORY DAY 4 4
INVERSION 45F/6AM 8PM 39F/8AM
DISPERSION 5 4
MAX ADI EARLY 66 GOOD 25 FAIR 63 GOOD
MAX ADI LATE 78 GOOD 4 VERY POOR 99 GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-302015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1257 AM EDT THU APR 30 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 50 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 50 (-9) 30 (-13) 56
RH % (24H TREND) 64 (-23) 97 (-3) 50
WIND 20FT/EARLY(MPH) NW 9 G25 NW 7 G23 LGT/VAR
WIND 20FT/LATE(MPH) NW 9 G24 LGT/VAR W 8 G21
PRECIP AMOUNT 0.07 0.00 0.02
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM 8 AM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 1220 1760
MIXING HGT(FT-AGL/MSL)4000 5760
TRANSPORT WND (MPH) NW 24 W 20
VENT RATE (KT-FT) 109630 97920
CATEGORY DAY 4 4
INVERSION 43F/6AM 8PM 41F/9AM
DISPERSION 5 4
MAX ADI EARLY 66 GOOD 30 FAIR 70 GOOD
MAX ADI LATE 85 GOOD 11 POOR 107 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF FROST THROUGH THE NIGHT. A
CHANCE OF RAIN SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH.
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