104
FNUS51 KPBZ 300542
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1242 AM EST TUE DEC 30 2025
DISCUSSION
FIRE WEATHER CONCERNS REMAIN LOW FOR THE 72 HOURS WITH PASSING
SNOW SHOWERS.
FORECASTER: HEFFERAN
OHZ039-302115-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-7) 19 (-2) 31
RH % (24H TREND) 54 (-12) 84 (-3) 67
WIND 20FT/EARLY(MPH) W 14 G23 W 10 G19 SW 9 G19
WIND 20FT/LATE(MPH) W 12 G22 SW 9 G18 W 11 G20
PRECIP AMOUNT 0.01 0.03 0.04
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 6 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1350 1210
MIXING HGT(FT-AGL/MSL)4430 3970
TRANSPORT WND (MPH) W 28 W 28
VENT RATE (KT-FT) 106320 95280
CATEGORY DAY 5 4
INVERSION 21F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 82 GOOD 31 FAIR 64 GOOD
MAX ADI LATE 77 GOOD 28 FAIR 74 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-302115-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 60 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-9) 19 (0) 30
RH % (24H TREND) 54 (-9) 83 (-3) 69
WIND 20FT/EARLY(MPH) W 15 G24 W 11 G19 SW 10 G19
WIND 20FT/LATE(MPH) W 13 G23 SW 10 G19 W 12 G20
PRECIP AMOUNT 0.01 0.02 0.05
PRECIP DURATION 1 3 6
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1370 1170
MIXING HGT(FT-AGL/MSL)4500 3830
TRANSPORT WND (MPH) W 29 W 28
VENT RATE (KT-FT) 112500 91920
CATEGORY DAY 5 4
INVERSION 20F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 91 GOOD 32 FAIR 68 GOOD
MAX ADI LATE 86 GOOD 29 FAIR 75 GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-302115-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-12) 19 (0) 29
RH % (24H TREND) 55 (-10) 83 (-1) 70
WIND 20FT/EARLY(MPH) W 15 G25 W 11 G20 SW 9 G19
WIND 20FT/LATE(MPH) W 13 G23 SW 10 G19 W 12 G20
PRECIP AMOUNT 0.00 0.01 0.05
PRECIP DURATION 0 3 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1390 1280
MIXING HGT(FT-AGL/MSL)4570 4200
TRANSPORT WND (MPH) W 29 W 29
VENT RATE (KT-FT) 114250 105000
CATEGORY DAY 5 5
INVERSION 20F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 89 GOOD 32 FAIR 69 GOOD
MAX ADI LATE 86 GOOD 29 FAIR 80 GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-302115-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 10 60 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-7) 19 (-2) 31
RH % (24H TREND) 54 (-15) 86 (-3) 67
WIND 20FT/EARLY(MPH) W 11 G22 W 9 G17 W 8 G17
WIND 20FT/LATE(MPH) W 11 G20 SW 8 G17 W 10 G19
PRECIP AMOUNT 0.01 0.02 0.02
PRECIP DURATION 1 2 4
PRECIP BEGIN 6 AM 7 PM 7 AM
PRECIP END 6 PM 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1270 1220
MIXING HGT(FT-AGL/MSL)4170 4010
TRANSPORT WND (MPH) W 26 W 26
VENT RATE (KT-FT) 95910 92230
CATEGORY DAY 4 4
INVERSION 21F/6AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 74 GOOD 29 FAIR 67 GOOD
MAX ADI LATE 73 GOOD 28 FAIR 71 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-302115-
HARRISON-
INCLUDING THE CITY OF CADIZ
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-9) 19 (-1) 31
RH % (24H TREND) 51 (-12) 82 (-5) 66
WIND 20FT/EARLY(MPH) W 14 G25 W 10 G19 SW 10 G21
WIND 20FT/LATE(MPH) W 12 G23 SW 10 G19 W 11 G21
PRECIP AMOUNT 0.01 0.02 0.04
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1360 1210
MIXING HGT(FT-AGL/MSL)4480 3950
TRANSPORT WND (MPH) W 29 W 28
VENT RATE (KT-FT) 112000 94800
CATEGORY DAY 5 4
INVERSION 21F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 86 GOOD 31 FAIR 68 GOOD
MAX ADI LATE 80 GOOD 29 FAIR 76 GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-302115-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-11) 19 (-1) 31
RH % (24H TREND) 50 (-13) 80 (-8) 65
WIND 20FT/EARLY(MPH) W 14 G25 W 11 G19 SW 10 G20
WIND 20FT/LATE(MPH) W 13 G23 SW 11 G19 W 12 G22
PRECIP AMOUNT 0.01 0.01 0.04
PRECIP DURATION 1 2 6
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1420 1280
MIXING HGT(FT-AGL/MSL)4660 4210
TRANSPORT WND (MPH) W 28 W 28
VENT RATE (KT-FT) 111840 101040
CATEGORY DAY 5 4
INVERSION 21F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 94 GOOD 32 FAIR 71 GOOD
MAX ADI LATE 87 GOOD 29 FAIR 77 GOOD
MAX LVORI EARLY 1 3 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-302115-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-7) 20 (-1) 32
RH % (24H TREND) 51 (-15) 83 (+3) 65
WIND 20FT/EARLY(MPH) W 12 G23 W 8 G18 W 8 G19
WIND 20FT/LATE(MPH) W 11 G21 SW 8 G18 W 11 G20
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 10 PM 7 AM
PRECIP END 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1260 1250
MIXING HGT(FT-AGL/MSL)4120 4090
TRANSPORT WND (MPH) W 28 W 26
VENT RATE (KT-FT) 98880 94070
CATEGORY DAY 4 4
INVERSION 22F/6AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 76 GOOD 29 FAIR 68 GOOD
MAX ADI LATE 73 GOOD 30 FAIR 73 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-302115-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (-7) 20 (-1) 33
RH % (24H TREND) 50 (-16) 82 (-4) 63
WIND 20FT/EARLY(MPH) W 12 G23 W 8 G19 SW 8 G19
WIND 20FT/LATE(MPH) W 10 G22 SW 8 G18 W 10 G20
PRECIP AMOUNT 0.01 0.02 0.02
PRECIP DURATION 1 2 2
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 11 AM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1340 1260
MIXING HGT(FT-AGL/MSL)4390 4140
TRANSPORT WND (MPH) W 28 W 26
VENT RATE (KT-FT) 105360 95220
CATEGORY DAY 5 4
INVERSION 22F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 81 GOOD 30 FAIR 67 GOOD
MAX ADI LATE 75 GOOD 30 FAIR 74 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-302115-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 60 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (-9) 20 (-1) 32
RH % (24H TREND) 50 (-15) 82 (+1) 64
WIND 20FT/EARLY(MPH) W 14 G24 W 10 G20 SW 10 G21
WIND 20FT/LATE(MPH) W 12 G23 SW 10 G20 SW 12 G22
PRECIP AMOUNT 0.02 0.02 0.02
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1270
MIXING HGT(FT-AGL/MSL)4520 4180
TRANSPORT WND (MPH) W 29 W 28
VENT RATE (KT-FT) 113000 100320
CATEGORY DAY 5 4
INVERSION 22F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 81 GOOD 31 FAIR 68 GOOD
MAX ADI LATE 78 GOOD 30 FAIR 79 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-302115-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (-9) 20 (-1) 33
RH % (24H TREND) 49 (-16) 82 (+3) 63
WIND 20FT/EARLY(MPH) W 12 G23 W 7 G19 SW 8 G19
WIND 20FT/LATE(MPH) W 10 G22 SW 8 G18 W 9 G20
PRECIP AMOUNT 0.00 0.01 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1320 1290
MIXING HGT(FT-AGL/MSL)4330 4250
TRANSPORT WND (MPH) W 28 W 25
VENT RATE (KT-FT) 103920 93500
CATEGORY DAY 4 4
INVERSION 22F/6AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 77 GOOD 30 FAIR 65 GOOD
MAX ADI LATE 80 GOOD 30 FAIR 73 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-302115-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (-10) 21 (0) 33
RH % (24H TREND) 48 (-16) 80 (+4) 63
WIND 20FT/EARLY(MPH) W 11 G24 W 8 G19 SW 8 G21
WIND 20FT/LATE(MPH) W 10 G23 SW 8 G20 SW 9 G21
PRECIP AMOUNT 0.00 0.02 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1370 1320
MIXING HGT(FT-AGL/MSL)4490 4320
TRANSPORT WND (MPH) W 28 W 25
VENT RATE (KT-FT) 107760 95040
CATEGORY DAY 5 4
INVERSION 22F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 78 GOOD 30 FAIR 66 GOOD
MAX ADI LATE 76 GOOD 29 FAIR 74 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-302115-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 70 70 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 24 (-15) 16 (-2) 27
RH % (24H TREND) 65 (-12) 89 (-3) 77
WIND 20FT/EARLY(MPH) W 16 G26 W 12 SW 10 G18
WIND 20FT/LATE(MPH) W 14 G25 SW 11 G19 W 12 G19
PRECIP AMOUNT 0.05 0.05 0.11
PRECIP DURATION 6 5 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1370 1170
MIXING HGT(FT-AGL/MSL)4510 3830
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 117260 95750
CATEGORY DAY 5 4
INVERSION 19F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 86 GOOD 28 FAIR 62 GOOD
MAX ADI LATE 86 GOOD 26 FAIR 73 GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-302115-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 60 70 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 24 (-20) 16 (-1) 27
RH % (24H TREND) 67 (-12) 88 (-5) 78
WIND 20FT/EARLY(MPH) W 14 G27 W 10 G20 SW 9 G18
WIND 20FT/LATE(MPH) W 12 G25 W 9 G19 SW 9 G18
PRECIP AMOUNT 0.05 0.04 0.11
PRECIP DURATION 3 5 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1170
MIXING HGT(FT-AGL/MSL)4760 3840
TRANSPORT WND (MPH) W 32 W 28
VENT RATE (KT-FT) 133280 92160
CATEGORY DAY 5 4
INVERSION 19F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 98 GOOD 29 FAIR 64 GOOD
MAX ADI LATE 95 GOOD 26 FAIR 77 GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-302115-
FOREST-
INCLUDING THE CITY OF TIONESTA
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 60 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 23 (-23) 16 (-1) 26
RH % (24H TREND) 63 (-14) 86 (-1) 73
WIND 20FT/EARLY(MPH) W 13 G28 W 9 G21 SW 7 G18
WIND 20FT/LATE(MPH) W 11 G27 W 8 G19 SW 8 G19
PRECIP AMOUNT 0.03 0.02 0.10
PRECIP DURATION 2 4 6
PRECIP BEGIN 6 AM 7 PM CONTINUING
PRECIP END 2 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1250
MIXING HGT(FT-AGL/MSL)4940 4090
TRANSPORT WND (MPH) NW 37 W 29
VENT RATE (KT-FT) 158080 102250
CATEGORY DAY 5 5
INVERSION 18F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 112 VERY GOOD32 FAIR 68 GOOD
MAX ADI LATE 110 VERY GOOD30 FAIR 81 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-302115-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 70 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-14) 17 (-2) 29
RH % (24H TREND) 59 (-10) 85 (-3) 71
WIND 20FT/EARLY(MPH) W 14 G24 W 10 G19 SW 9 G17
WIND 20FT/LATE(MPH) W 13 G23 SW 9 G18 W 11 G18
PRECIP AMOUNT 0.02 0.03 0.07
PRECIP DURATION 1 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1360
MIXING HGT(FT-AGL/MSL)4540 4450
TRANSPORT WND (MPH) W 30 W 28
VENT RATE (KT-FT) 118040 106800
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 87 GOOD 30 FAIR 70 GOOD
MAX ADI LATE 85 GOOD 28 FAIR 80 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-302115-
BUTLER-
INCLUDING THE CITY OF BUTLER
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 100
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 25 (-17) 16 (-2) 30
RH % (24H TREND) 59 (-10) 86 (-5) 73
WIND 20FT/EARLY(MPH) W 15 G25 W 11 G21 SW 9 G18
WIND 20FT/LATE(MPH) W 13 G24 W 9 G19 W 10 G19
PRECIP AMOUNT 0.02 0.03 0.07
PRECIP DURATION 2 3 10
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1440 1330
MIXING HGT(FT-AGL/MSL)4710 4360
TRANSPORT WND (MPH) W 31 W 28
VENT RATE (KT-FT) 127170 104640
CATEGORY DAY 5 4
INVERSION 19F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 91 GOOD 31 FAIR 72 GOOD
MAX ADI LATE 92 GOOD 29 FAIR 80 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-302115-
CLARION-
INCLUDING THE CITY OF CLARION
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 50 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 24 (-21) 17 (-1) 27
RH % (24H TREND) 63 (-8) 85 (-3) 74
WIND 20FT/EARLY(MPH) W 14 G29 W 10 G22 SW 9 G20
WIND 20FT/LATE(MPH) W 13 G27 W 9 G21 SW 9 G20
PRECIP AMOUNT 0.03 0.02 0.08
PRECIP DURATION 2 3 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1470 1340
MIXING HGT(FT-AGL/MSL)4820 4400
TRANSPORT WND (MPH) W 32 W 26
VENT RATE (KT-FT) 134960 101200
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 95 GOOD 32 FAIR 68 GOOD
MAX ADI LATE 94 GOOD 30 FAIR 82 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-302115-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 50 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 23 (-24) 16 (-2) 26
RH % (24H TREND) 60 (-7) 82 (-2) 70
WIND 20FT/EARLY(MPH) W 17 G30 W 12 G23 SW 10 G21
WIND 20FT/LATE(MPH) W 15 G29 W 11 G22 W 11 G22
PRECIP AMOUNT 0.02 0.01 0.07
PRECIP DURATION 1 2 6
PRECIP BEGIN 6 AM 8 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1520 1450
MIXING HGT(FT-AGL/MSL)4980 4750
TRANSPORT WND (MPH) W 37 W 30
VENT RATE (KT-FT) 159360 123500
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 112 VERY GOOD34 FAIR 71 GOOD
MAX ADI LATE 111 VERY GOOD32 FAIR 87 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-302115-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-15) 19 (-1) 30
RH % (24H TREND) 54 (-11) 82 (-2) 68
WIND 20FT/EARLY(MPH) W 14 G25 W 10 G19 SW 8 G19
WIND 20FT/LATE(MPH) W 12 G23 SW 9 G19 W 10 G20
PRECIP AMOUNT 0.00 0.01 0.05
PRECIP DURATION 0 3 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1440 1350
MIXING HGT(FT-AGL/MSL)4710 4420
TRANSPORT WND (MPH) W 30 W 28
VENT RATE (KT-FT) 122460 106080
CATEGORY DAY 5 5
INVERSION 21F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 92 GOOD 32 FAIR 69 GOOD
MAX ADI LATE 89 GOOD 30 FAIR 78 GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-302115-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-19) 19 (-2) 31
RH % (24H TREND) 53 (-10) 82 (-5) 67
WIND 20FT/EARLY(MPH) W 17 G25 W 12 G21 SW 11 G20
WIND 20FT/LATE(MPH) W 15 G25 SW 11 G20 SW 13 G21
PRECIP AMOUNT 0.00 0.01 0.04
PRECIP DURATION 2 6
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1490 1440
MIXING HGT(FT-AGL/MSL)4900 4730
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 127400 118250
CATEGORY DAY 5 5
INVERSION 21F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 95 GOOD 33 FAIR 73 GOOD
MAX ADI LATE 92 GOOD 31 FAIR 84 GOOD
MAX LVORI EARLY 1 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-302115-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 50 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-20) 17 (-2) 30
RH % (24H TREND) 58 (-8) 84 (-2) 72
WIND 20FT/EARLY(MPH) W 16 G27 W 11 G22 SW 10 G19
WIND 20FT/LATE(MPH) W 14 G26 W 10 G21 SW 11 G20
PRECIP AMOUNT 0.01 0.01 0.05
PRECIP DURATION 1 1 6
PRECIP BEGIN 6 AM 9 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1350
MIXING HGT(FT-AGL/MSL)4950 4440
TRANSPORT WND (MPH) W 33 W 29
VENT RATE (KT-FT) 143550 111000
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 99 GOOD 32 FAIR 77 GOOD
MAX ADI LATE 100 GOOD 30 FAIR 84 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-302115-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 60 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-16) 19 (-2) 31
RH % (24H TREND) 53 (-8) 81 (-4) 66
WIND 20FT/EARLY(MPH) W 17 G25 W 12 G21 SW 12 G21
WIND 20FT/LATE(MPH) W 15 G25 SW 12 G21 SW 13 G22
PRECIP AMOUNT 0.01 0.01 0.03
PRECIP DURATION 1 2 6
PRECIP BEGIN 10 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1460 1360
MIXING HGT(FT-AGL/MSL)4800 4450
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 124800 111250
CATEGORY DAY 5 5
INVERSION 21F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 93 GOOD 34 FAIR 76 GOOD
MAX ADI LATE 89 GOOD 31 FAIR 83 GOOD
MAX LVORI EARLY 1 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-302115-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-17) 19 (-2) 31
RH % (24H TREND) 55 (-6) 81 (+1) 68
WIND 20FT/EARLY(MPH) W 14 G25 W 10 G20 SW 10 G21
WIND 20FT/LATE(MPH) W 13 G23 SW 10 G20 SW 11 G21
PRECIP AMOUNT 0.01 0.02 0.03
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1460 1370
MIXING HGT(FT-AGL/MSL)4780 4480
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 124280 112000
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 90 GOOD 30 FAIR 74 GOOD
MAX ADI LATE 87 GOOD 30 FAIR 82 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-302115-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-21) 19 (-1) 31
RH % (24H TREND) 54 (-6) 84 (-1) 69
WIND 20FT/EARLY(MPH) W 19 G29 W 14 G23 SW 13 G21
WIND 20FT/LATE(MPH) W 17 G25 SW 12 G22 SW 14 G22
PRECIP AMOUNT 0.00 0.02 0.04
PRECIP DURATION 1 10
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1420
MIXING HGT(FT-AGL/MSL)4940 4650
TRANSPORT WND (MPH) W 31 W 30
VENT RATE (KT-FT) 133380 120900
CATEGORY DAY 5 5
INVERSION 20F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 98 GOOD 36 FAIR 81 GOOD
MAX ADI LATE 95 GOOD 33 FAIR 87 GOOD
MAX LVORI EARLY 2 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-302115-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 50 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-19) 17 (-1) 29
RH % (24H TREND) 51 (-8) 81 (-6) 65
WIND 20FT/EARLY(MPH) W 20 G34 W 14 G27 W 12 G24
WIND 20FT/LATE(MPH) W 17 G30 W 12 G26 W 13 G23
PRECIP AMOUNT 0.02 0.03 0.07
PRECIP DURATION 1 1 10
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1500 1390
MIXING HGT(FT-AGL/MSL)4940 4570
TRANSPORT WND (MPH) W 36 W 30
VENT RATE (KT-FT) 153140 118820
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 104 VERY GOOD39 FAIR 86 GOOD
MAX ADI LATE 104 VERY GOOD37 FAIR 89 GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-302115-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-20) 19 (-2) 32
RH % (24H TREND) 55 (-3) 83 (+2) 68
WIND 20FT/EARLY(MPH) W 15 G27 W 11 G22 SW 11 G20
WIND 20FT/LATE(MPH) W 13 G23 SW 11 G21 SW 12 G20
PRECIP AMOUNT 0.01 0.02 0.03
PRECIP DURATION 1 2 6
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1520 1420
MIXING HGT(FT-AGL/MSL)4990 4650
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 129740 116250
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 93 GOOD 32 FAIR 78 GOOD
MAX ADI LATE 91 GOOD 31 FAIR 85 GOOD
MAX LVORI EARLY 2 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-302115-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 50 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 24 (-20) 16 (-1) 29
RH % (24H TREND) 57 (-8) 86 (-2) 69
WIND 20FT/EARLY(MPH) W 15 G29 W 12 G24 W 10 G22
WIND 20FT/LATE(MPH) W 12 G25 W 11 G23 W 10 G22
PRECIP AMOUNT 0.03 0.04 0.07
PRECIP DURATION 1 1 10
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1400 1330
MIXING HGT(FT-AGL/MSL)4600 4360
TRANSPORT WND (MPH) W 33 W 31
VENT RATE (KT-FT) 133400 117720
CATEGORY DAY 5 5
INVERSION 18F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 96 GOOD 32 FAIR 79 GOOD
MAX ADI LATE 94 GOOD 32 FAIR 87 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-302115-
INDIANA-
INCLUDING THE CITY OF INDIANA
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 40 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-22) 17 (-2) 29
RH % (24H TREND) 55 (-8) 83 (-1) 71
WIND 20FT/EARLY(MPH) W 19 G32 W 13 G24 W 11 G21
WIND 20FT/LATE(MPH) W 16 G30 W 12 G23 W 12 G22
PRECIP AMOUNT 0.01 0.00 0.06
PRECIP DURATION 1 1 6
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1390
MIXING HGT(FT-AGL/MSL)4960 4570
TRANSPORT WND (MPH) W 36 W 30
VENT RATE (KT-FT) 153760 118820
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 108 VERY GOOD37 FAIR 80 GOOD
MAX ADI LATE 110 VERY GOOD34 FAIR 86 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-302115-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 40 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 25 (-22) 17 (-1) 29
RH % (24H TREND) 54 (-5) 81 (-5) 68
WIND 20FT/EARLY(MPH) W 19 G33 W 14 G26 W 12 G22
WIND 20FT/LATE(MPH) W 16 G31 W 12 G24 W 12 G23
PRECIP AMOUNT 0.00 0.01 0.06
PRECIP DURATION 1 6
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1470 1360
MIXING HGT(FT-AGL/MSL)4820 4470
TRANSPORT WND (MPH) W 37 W 31
VENT RATE (KT-FT) 154240 120690
CATEGORY DAY 5 5
INVERSION 19F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 111 VERY GOOD43 GEN GOOD 83 GOOD
MAX ADI LATE 112 VERY GOOD36 FAIR 87 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-302115-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 60 90
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-14) 20 (-1) 30
RH % (24H TREND) 51 (-13) 78 (-8) 66
WIND 20FT/EARLY(MPH) W 14 G25 W 11 G19 SW 9 G19
WIND 20FT/LATE(MPH) W 12 G23 SW 10 G18 W 11 G20
PRECIP AMOUNT 0.00 0.01 0.04
PRECIP DURATION 0 2 6
PRECIP BEGIN 12 PM 11 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1470 1350
MIXING HGT(FT-AGL/MSL)4820 4420
TRANSPORT WND (MPH) W 29 W 28
VENT RATE (KT-FT) 120500 106080
CATEGORY DAY 5 5
INVERSION 21F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 94 GOOD 32 FAIR 70 GOOD
MAX ADI LATE 87 GOOD 29 FAIR 77 GOOD
MAX LVORI EARLY 1 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-302115-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 80
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-14) 21 (0) 31
RH % (24H TREND) 50 (-11) 78 (-10) 64
WIND 20FT/EARLY(MPH) W 14 G25 W 11 G19 SW 10 G20
WIND 20FT/LATE(MPH) W 13 G23 SW 10 G19 SW 12 G22
PRECIP AMOUNT 0.01 0.01 0.03
PRECIP DURATION 0 2 6
PRECIP BEGIN 11 AM 12 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1490 1360
MIXING HGT(FT-AGL/MSL)4880 4460
TRANSPORT WND (MPH) W 31 W 28
VENT RATE (KT-FT) 131760 107040
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 94 GOOD 33 FAIR 70 GOOD
MAX ADI LATE 88 GOOD 31 FAIR 82 GOOD
MAX LVORI EARLY 1 1 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-302115-
OHIO-
INCLUDING THE CITY OF WHEELING
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 60 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (-13) 21 (0) 32
RH % (24H TREND) 52 (-11) 80 (-1) 66
WIND 20FT/EARLY(MPH) W 15 G25 W 12 G20 SW 11 G21
WIND 20FT/LATE(MPH) W 14 G23 SW 11 G20 SW 13 G22
PRECIP AMOUNT 0.01 0.01 0.03
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1410 1310
MIXING HGT(FT-AGL/MSL)4640 4290
TRANSPORT WND (MPH) W 30 W 29
VENT RATE (KT-FT) 120640 107250
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 89 GOOD 33 FAIR 70 GOOD
MAX ADI LATE 85 GOOD 31 FAIR 82 GOOD
MAX LVORI EARLY 2 1 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-302115-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 60 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (-13) 21 (0) 33
RH % (24H TREND) 53 (-12) 79 (0) 66
WIND 20FT/EARLY(MPH) W 13 G25 W 10 G20 SW 10 G21
WIND 20FT/LATE(MPH) W 12 G23 SW 10 G20 SW 11 G21
PRECIP AMOUNT 0.01 0.02 0.02
PRECIP DURATION 1 2 5
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 12 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1420 1340
MIXING HGT(FT-AGL/MSL)4650 4410
TRANSPORT WND (MPH) W 29 W 28
VENT RATE (KT-FT) 116250 105840
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 83 GOOD 30 FAIR 68 GOOD
MAX ADI LATE 80 GOOD 29 FAIR 80 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-302115-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-16) 21 (0) 32
RH % (24H TREND) 53 (-10) 82 (+4) 69
WIND 20FT/EARLY(MPH) W 12 G25 W 9 G20 SW 9 G20
WIND 20FT/LATE(MPH) W 10 G23 SW 10 G20 SW 10 G21
PRECIP AMOUNT 0.00 0.03 0.02
PRECIP DURATION 1 5
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1360
MIXING HGT(FT-AGL/MSL)4530 4470
TRANSPORT WND (MPH) W 26 W 28
VENT RATE (KT-FT) 104190 107280
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 79 GOOD 30 FAIR 67 GOOD
MAX ADI LATE 77 GOOD 32 FAIR 81 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-302115-
MARION-
INCLUDING THE CITY OF FAIRMONT
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-19) 20 (0) 31
RH % (24H TREND) 57 (-4) 84 (+5) 69
WIND 20FT/EARLY(MPH) W 14 G24 W 9 G19 SW 10 G20
WIND 20FT/LATE(MPH) W 12 G22 SW 10 G20 SW 11 G20
PRECIP AMOUNT 0.00 0.02 0.03
PRECIP DURATION 1 8
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1420 1390
MIXING HGT(FT-AGL/MSL)4670 4570
TRANSPORT WND (MPH) W 28 SW 28
VENT RATE (KT-FT) 112080 109680
CATEGORY DAY 5 5
INVERSION 21F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 86 GOOD 30 FAIR 67 GOOD
MAX ADI LATE 80 GOOD 32 FAIR 83 GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-302115-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SNOW SNOW
CHANCE PRECIP (%) 0 50 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 26 (-19) 19 (-2) 31
RH % (24H TREND) 56 (-3) 82 (+1) 69
WIND 20FT/EARLY(MPH) W 14 G24 W 9 G19 SW 10 G20
WIND 20FT/LATE(MPH) W 11 G22 SW 10 G20 SW 10 G20
PRECIP AMOUNT 0.00 0.02 0.03
PRECIP DURATION 1 8
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1480 1430
MIXING HGT(FT-AGL/MSL)4840 4680
TRANSPORT WND (MPH) W 30 SW 29
VENT RATE (KT-FT) 125840 117000
CATEGORY DAY 5 5
INVERSION 22F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 89 GOOD 29 FAIR 68 GOOD
MAX ADI LATE 83 GOOD 31 FAIR 84 GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-302115-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 20 50 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 23 (-20) 17 (-1) 28
RH % (24H TREND) 59 (-5) 87 (+1) 70
WIND 20FT/EARLY(MPH) W 14 G25 W 11 G22 SW 11 G21
WIND 20FT/LATE(MPH) W 11 G23 W 12 G22 SW 10 G20
PRECIP AMOUNT 0.02 0.04 0.06
PRECIP DURATION 1 1 8
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1290 1270
MIXING HGT(FT-AGL/MSL)4220 4180
TRANSPORT WND (MPH) W 31 SW 30
VENT RATE (KT-FT) 113940 108680
CATEGORY DAY 5 5
INVERSION 18F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 86 GOOD 30 FAIR 70 GOOD
MAX ADI LATE 83 GOOD 31 FAIR 80 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-302115-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 30 50 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 24 (-21) 17 (-1) 29
RH % (24H TREND) 58 (-5) 88 (+4) 70
WIND 20FT/EARLY(MPH) W 14 G26 W 9 G22 SW 9 G20
WIND 20FT/LATE(MPH) W 11 G23 W 10 G21 SW 9 G20
PRECIP AMOUNT 0.02 0.03 0.06
PRECIP DURATION 1 1 8
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1360 1350
MIXING HGT(FT-AGL/MSL)4450 4420
TRANSPORT WND (MPH) W 31 W 29
VENT RATE (KT-FT) 120150 110500
CATEGORY DAY 5 5
INVERSION 18F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 91 GOOD 30 FAIR 72 GOOD
MAX ADI LATE 89 GOOD 31 FAIR 83 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-302115-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 40 40 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 22 (-22) 16 (0) 28
RH % (24H TREND) 61 (-6) 90 (+2) 70
WIND 20FT/EARLY(MPH) W 17 G34 W 13 G27 W 12 G25
WIND 20FT/LATE(MPH) W 14 G29 W 13 G25 W 12 G24
PRECIP AMOUNT 0.03 0.04 0.08
PRECIP DURATION 1 1 8
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1240 1260
MIXING HGT(FT-AGL/MSL)4060 4120
TRANSPORT WND (MPH) W 36 W 32
VENT RATE (KT-FT) 125860 115360
CATEGORY DAY 5 5
INVERSION 16F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 97 GOOD 32 FAIR 76 GOOD
MAX ADI LATE 90 GOOD 34 FAIR 86 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-302115-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 50 30 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 23 (-24) 16 (0) 30
RH % (24H TREND) 56 (-7) 86 (+3) 64
WIND 20FT/EARLY(MPH) W 17 G33 W 13 G26 W 11 G24
WIND 20FT/LATE(MPH) W 13 G28 W 12 G25 W 11 G23
PRECIP AMOUNT 0.03 0.01 0.06
PRECIP DURATION 1 1 8
PRECIP BEGIN 6 AM 2 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1250 1280
MIXING HGT(FT-AGL/MSL)4100 4190
TRANSPORT WND (MPH) W 35 W 30
VENT RATE (KT-FT) 123000 108940
CATEGORY DAY 5 5
INVERSION 17F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 94 GOOD 33 FAIR 68 GOOD
MAX ADI LATE 86 GOOD 34 FAIR 82 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-302115-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1242 AM EST TUE DEC 30 2025
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 60 20 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 19 (-26) 12 (0) 26
RH % (24H TREND) 66 (-9) 88 (-1) 73
WIND 20FT/EARLY(MPH) W 20 G48 W 16 G38 W 14 G34
WIND 20FT/LATE(MPH) W 16 G41 W 15 G35 W 13 G34
PRECIP AMOUNT 0.05 0.01 0.07
PRECIP DURATION 4 0 2
PRECIP BEGIN 6 AM 3 AM CONTINUING
PRECIP END 1 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1070
MIXING HGT(FT-AGL/MSL)3350 3510
TRANSPORT WND (MPH) W 39 W 35
VENT RATE (KT-FT) 113900 105300
CATEGORY DAY 5 5
INVERSION 13F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 93 GOOD 42 GEN GOOD 84 GOOD
MAX ADI LATE 93 GOOD 37 FAIR 85 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SNOW. LOWS AROUND 14. HIGHS IN THE LOWER 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 13. HIGHS IN THE LOWER 30S.
SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS AROUND 17. HIGHS AROUND 30.
NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS AROUND 15. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. LOWS IN
THE LOWER 20S. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS 5 TO
10 MPH.
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