662
FNUS51 KPBZ 290558
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1258 AM EST MON DEC 29 2025
DISCUSSION
A STRONG COLD FRONT WILL CROSS THE REGION EARLY THIS MORNING,
WITH RAIN AND STRONG WIND GUSTS. TEMPERATURES WILL TURN SHARPLY
COLDER BEHIND THE FRONT AS STRONG WIND GUSTS CONTINUE, WITH SNOW
SHOWERS AND A FEW SQUALLS BY THIS AFTERNOON AND EVENING. SNOW
SHOWERS WILL CONTINUE INTO TUESDAY, WITH THE MOST IMPACTFUL
ACCUMULATIONS ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR AND IN
THE RIDGES. COLD TEMPERATURES AND PERIODIC ROUNDS OF SNOW WILL
THEN CONTINUE THROUGH THE END OF THE WEEK.
OHZ039-292115-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (-27) 19 (-11) 28
RH % (24H TREND) 60 (-12) 73 (-14) 54
WIND 20FT/EARLY(MPH) W 20 G38 W 18 G36 W 14 G24
WIND 20FT/LATE(MPH) W 20 G37 W 16 G30 W 12 G22
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1620 1370
MIXING HGT(FT-AGL/MSL)5320 4500
TRANSPORT WND (MPH) W 44 W 26
VENT RATE (KT-FT) 202160 103500
CATEGORY DAY 5 5
INVERSION 39F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD56 GEN GOOD 86 GOOD
MAX ADI LATE 136 VERY GOOD47 GEN GOOD 77 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 2 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-292115-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (-27) 19 (-12) 27
RH % (24H TREND) 61 (-9) 73 (-14) 55
WIND 20FT/EARLY(MPH) W 20 G40 W 19 G37 W 15 G25
WIND 20FT/LATE(MPH) W 21 G39 W 18 G31 W 13 G23
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1620 1390
MIXING HGT(FT-AGL/MSL)5320 4550
TRANSPORT WND (MPH) W 46 W 28
VENT RATE (KT-FT) 212800 109200
CATEGORY DAY 5 5
INVERSION 39F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 135 VERY GOOD56 GEN GOOD 91 GOOD
MAX ADI LATE 145 VERY GOOD51 GEN GOOD 84 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 1 1 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-292115-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 60 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (-22) 19 (-13) 27
RH % (24H TREND) 64 (-14) 76 (-17) 57
WIND 20FT/EARLY(MPH) W 20 G40 W 19 G37 W 16 G26
WIND 20FT/LATE(MPH) W 21 G39 W 18 G32 W 14 G23
PRECIP AMOUNT 0.03 0.02 0.00
PRECIP DURATION 4 4 1
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1580 1450
MIXING HGT(FT-AGL/MSL)5170 4760
TRANSPORT WND (MPH) W 43 W 29
VENT RATE (KT-FT) 191290 119000
CATEGORY DAY 5 5
INVERSION 41F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 134 VERY GOOD58 GEN GOOD 95 GOOD
MAX ADI LATE 136 VERY GOOD51 GEN GOOD 88 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-292115-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (-30) 19 (-9) 27
RH % (24H TREND) 61 (-13) 77 (-14) 54
WIND 20FT/EARLY(MPH) W 18 G36 W 16 G34 W 11 G23
WIND 20FT/LATE(MPH) W 18 G35 W 13 G28 W 11 G20
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1530 1310
MIXING HGT(FT-AGL/MSL)5030 4280
TRANSPORT WND (MPH) W 39 W 25
VENT RATE (KT-FT) 171020 94160
CATEGORY DAY 5 4
INVERSION 37F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 131 VERY GOOD53 GEN GOOD 75 GOOD
MAX ADI LATE 128 VERY GOOD41 GEN GOOD 69 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-292115-
HARRISON-
INCLUDING THE CITY OF CADIZ
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (-25) 19 (-12) 28
RH % (24H TREND) 57 (-11) 73 (-8) 52
WIND 20FT/EARLY(MPH) W 19 G42 W 18 G36 W 14 G25
WIND 20FT/LATE(MPH) W 20 G40 W 16 G31 W 12 G23
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1540 1400
MIXING HGT(FT-AGL/MSL)5060 4590
TRANSPORT WND (MPH) W 43 W 28
VENT RATE (KT-FT) 187220 110160
CATEGORY DAY 5 5
INVERSION 43F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 129 VERY GOOD56 GEN GOOD 83 GOOD
MAX ADI LATE 131 VERY GOOD49 GEN GOOD 81 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 1 2 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-292115-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 60 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (-21) 19 (-15) 28
RH % (24H TREND) 57 (-11) 71 (-14) 50
WIND 20FT/EARLY(MPH) SW 20 G40 W 18 G35 W 15 G26
WIND 20FT/LATE(MPH) W 20 G41 W 18 G31 W 13 G24
PRECIP AMOUNT 0.03 0.02 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1600 1450
MIXING HGT(FT-AGL/MSL)5250 4750
TRANSPORT WND (MPH) W 43 W 28
VENT RATE (KT-FT) 194250 114000
CATEGORY DAY 5 5
INVERSION 45F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD55 GEN GOOD 94 GOOD
MAX ADI LATE 131 VERY GOOD50 GEN GOOD 85 GOOD
MAX LVORI EARLY 3 3 1
MAX LVORI LATE 1 1 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-292115-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 30 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (-31) 19 (-10) 27
RH % (24H TREND) 58 (-9) 76 (-4) 51
WIND 20FT/EARLY(MPH) W 19 G36 W 16 G34 W 12 G23
WIND 20FT/LATE(MPH) W 18 G36 W 14 G29 W 11 G21
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1400 1260
MIXING HGT(FT-AGL/MSL)4580 4130
TRANSPORT WND (MPH) W 39 W 25
VENT RATE (KT-FT) 155720 90860
CATEGORY DAY 5 4
INVERSION 38F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 129 VERY GOOD52 GEN GOOD 72 GOOD
MAX ADI LATE 124 VERY GOOD41 GEN GOOD 74 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-292115-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (-29) 19 (-11) 28
RH % (24H TREND) 56 (-16) 75 (-5) 51
WIND 20FT/EARLY(MPH) W 18 G39 W 15 G35 W 12 G24
WIND 20FT/LATE(MPH) W 17 G37 W 13 G29 W 10 G22
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1460 1330
MIXING HGT(FT-AGL/MSL)4780 4370
TRANSPORT WND (MPH) W 39 W 25
VENT RATE (KT-FT) 162520 96140
CATEGORY DAY 5 4
INVERSION 41F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 128 VERY GOOD48 GEN GOOD 74 GOOD
MAX ADI LATE 128 VERY GOOD40 FAIR 69 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-292115-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (-22) 20 (-14) 28
RH % (24H TREND) 53 (-17) 75 (-4) 51
WIND 20FT/EARLY(MPH) W 20 G41 W 17 G37 W 14 G25
WIND 20FT/LATE(MPH) W 20 G41 W 16 G32 W 13 G23
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1460 1400
MIXING HGT(FT-AGL/MSL)4790 4590
TRANSPORT WND (MPH) W 41 W 28
VENT RATE (KT-FT) 172440 110160
CATEGORY DAY 5 5
INVERSION 47F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD47 GEN GOOD 83 GOOD
MAX ADI LATE 130 VERY GOOD41 GEN GOOD 80 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-292115-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 20 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (-26) 20 (-12) 28
RH % (24H TREND) 55 (-16) 74 (-15) 49
WIND 20FT/EARLY(MPH) W 16 G38 W 14 G34 W 12 G24
WIND 20FT/LATE(MPH) W 16 G39 W 13 G29 W 10 G22
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1520 1310
MIXING HGT(FT-AGL/MSL)4990 4310
TRANSPORT WND (MPH) W 40 W 25
VENT RATE (KT-FT) 174650 94820
CATEGORY DAY 5 4
INVERSION 43F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 125 VERY GOOD49 GEN GOOD 72 GOOD
MAX ADI LATE 125 VERY GOOD42 GEN GOOD 84 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.
OHZ069-292115-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 30 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (-21) 20 (-15) 28
RH % (24H TREND) 48 (-23) 73 (-10) 49
WIND 20FT/EARLY(MPH) W 16 G40 W 13 G36 W 12 G25
WIND 20FT/LATE(MPH) W 16 G40 W 13 G30 W 10 G23
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1550 1360
MIXING HGT(FT-AGL/MSL)5080 4470
TRANSPORT WND (MPH) W 39 W 25
VENT RATE (KT-FT) 172720 98340
CATEGORY DAY 5 4
INVERSION 49F/6AM NONE NONE
DISPERSION 5 4
MAX ADI EARLY 124 VERY GOOD49 GEN GOOD 74 GOOD
MAX ADI LATE 128 VERY GOOD39 FAIR 71 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.
PAZ007-292115-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 90 80 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (-19) 18 (-14) 25
RH % (24H TREND) 71 (-21) 84 (-15) 65
WIND 20FT/EARLY(MPH) SW 21 G38 W 20 G36 W 17 G27
WIND 20FT/LATE(MPH) W 22 G41 W 19 G33 W 15 G25
PRECIP AMOUNT 0.09 0.12 0.02
PRECIP DURATION 5 9 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1490
MIXING HGT(FT-AGL/MSL)4740 4890
TRANSPORT WND (MPH) W 40 W 32
VENT RATE (KT-FT) 165900 136920
CATEGORY DAY 5 5
INVERSION 42F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD50 GEN GOOD 102 VERY GOOD
MAX ADI LATE 129 VERY GOOD45 GEN GOOD 97 GOOD
MAX LVORI EARLY 4 4 3
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-292115-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 90 90 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (-12) 17 (-17) 24
RH % (24H TREND) 73 (-20) 85 (-15) 68
WIND 20FT/EARLY(MPH) SW 17 G37 W 18 G36 W 15 G28
WIND 20FT/LATE(MPH) W 18 G39 W 16 G34 W 13 G26
PRECIP AMOUNT 0.10 0.12 0.03
PRECIP DURATION 5 9 6
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1500
MIXING HGT(FT-AGL/MSL)4750 4920
TRANSPORT WND (MPH) W 38 NW 37
VENT RATE (KT-FT) 156750 157440
CATEGORY DAY 5 5
INVERSION 44F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD48 GEN GOOD 111 VERY GOOD
MAX ADI LATE 131 VERY GOOD48 GEN GOOD 104 VERY GOOD
MAX LVORI EARLY 4 4 3
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-292115-
FOREST-
INCLUDING THE CITY OF TIONESTA
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 90 90 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 41 (-5) 17 (-19) 23
RH % (24H TREND) 69 (-25) 81 (-19) 66
WIND 20FT/EARLY(MPH) SW 14 G37 W 16 G37 W 14 G29
WIND 20FT/LATE(MPH) W 16 G39 W 14 G34 W 12 G27
PRECIP AMOUNT 0.09 0.08 0.02
PRECIP DURATION 4 9 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1560
MIXING HGT(FT-AGL/MSL)4760 5110
TRANSPORT WND (MPH) W 40 NW 40
VENT RATE (KT-FT) 166600 178850
CATEGORY DAY 5 5
INVERSION 47F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 129 VERY GOOD50 GEN GOOD 125 VERY GOOD
MAX ADI LATE 133 VERY GOOD57 GEN GOOD 116 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-292115-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 (-20) 18 (-15) 27
RH % (24H TREND) 67 (-23) 83 (-13) 59
WIND 20FT/EARLY(MPH) SW 18 G35 W 18 G34 W 15 G25
WIND 20FT/LATE(MPH) W 20 G36 W 17 G31 W 13 G23
PRECIP AMOUNT 0.04 0.04 0.01
PRECIP DURATION 4 6 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1520
MIXING HGT(FT-AGL/MSL)4950 5000
TRANSPORT WND (MPH) W 41 W 30
VENT RATE (KT-FT) 178200 130000
CATEGORY DAY 5 5
INVERSION 43F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD53 GEN GOOD 100 GOOD
MAX ADI LATE 136 VERY GOOD49 GEN GOOD 96 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-292115-
BUTLER-
INCLUDING THE CITY OF BUTLER
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 (-14) 17 (-18) 26
RH % (24H TREND) 69 (-21) 84 (-14) 61
WIND 20FT/EARLY(MPH) SW 18 G35 W 18 G36 W 16 G27
WIND 20FT/LATE(MPH) W 19 G37 W 17 G32 W 13 G24
PRECIP AMOUNT 0.04 0.05 0.01
PRECIP DURATION 4 7 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1520 1500
MIXING HGT(FT-AGL/MSL)5000 4920
TRANSPORT WND (MPH) W 41 W 33
VENT RATE (KT-FT) 180000 142680
CATEGORY DAY 5 5
INVERSION 45F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD55 GEN GOOD 104 VERY GOOD
MAX ADI LATE 141 VERY GOOD51 GEN GOOD 101 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-292115-
CLARION-
INCLUDING THE CITY OF CLARION
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 90 80 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 42 (-7) 17 (-20) 24
RH % (24H TREND) 69 (-22) 81 (-19) 64
WIND 20FT/EARLY(MPH) W 16 G38 W 17 G37 W 15 G29
WIND 20FT/LATE(MPH) W 18 G39 W 16 G34 W 13 G27
PRECIP AMOUNT 0.06 0.09 0.02
PRECIP DURATION 4 8 5
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1590 1530
MIXING HGT(FT-AGL/MSL)5220 5020
TRANSPORT WND (MPH) W 40 W 38
VENT RATE (KT-FT) 182700 165660
CATEGORY DAY 5 5
INVERSION 46F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 134 VERY GOOD54 GEN GOOD 117 VERY GOOD
MAX ADI LATE 140 VERY GOOD50 GEN GOOD 108 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-292115-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 80 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (+1) 17 (-22) 23
RH % (24H TREND) 65 (-26) 77 (-20) 62
WIND 20FT/EARLY(MPH) W 18 G39 W 20 G39 W 18 G32
WIND 20FT/LATE(MPH) W 20 G41 W 19 G35 W 15 G29
PRECIP AMOUNT 0.05 0.09 0.01
PRECIP DURATION 4 7 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1580 1560
MIXING HGT(FT-AGL/MSL)5170 5110
TRANSPORT WND (MPH) W 44 W 41
VENT RATE (KT-FT) 196460 183960
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 137 VERY GOOD56 GEN GOOD 126 VERY GOOD
MAX ADI LATE 145 VERY GOOD55 GEN GOOD 120 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-292115-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 60 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (-18) 19 (-16) 27
RH % (24H TREND) 63 (-19) 76 (-16) 54
WIND 20FT/EARLY(MPH) SW 17 G36 W 17 G34 W 14 G27
WIND 20FT/LATE(MPH) W 19 G38 W 16 G32 W 13 G23
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1580 1500
MIXING HGT(FT-AGL/MSL)5170 4930
TRANSPORT WND (MPH) W 44 W 29
VENT RATE (KT-FT) 196460 123250
CATEGORY DAY 5 5
INVERSION 46F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 127 VERY GOOD55 GEN GOOD 99 GOOD
MAX ADI LATE 136 VERY GOOD51 GEN GOOD 90 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 2 2 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-292115-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 60 60 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 43 (-14) 19 (-19) 28
RH % (24H TREND) 62 (-17) 76 (-14) 54
WIND 20FT/EARLY(MPH) W 20 G38 W 19 G35 W 17 G27
WIND 20FT/LATE(MPH) W 22 G40 W 18 G33 W 15 G25
PRECIP AMOUNT 0.02 0.03 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1570 1530
MIXING HGT(FT-AGL/MSL)5160 5010
TRANSPORT WND (MPH) W 44 W 29
VENT RATE (KT-FT) 196080 125250
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 136 VERY GOOD55 GEN GOOD 102 VERY GOOD
MAX ADI LATE 135 VERY GOOD51 GEN GOOD 92 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 2 2 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-292115-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 44 (-8) 18 (-21) 27
RH % (24H TREND) 67 (-17) 79 (-20) 58
WIND 20FT/EARLY(MPH) W 18 G37 W 19 G37 W 16 G29
WIND 20FT/LATE(MPH) W 20 G40 W 18 G33 W 14 G26
PRECIP AMOUNT 0.04 0.04 0.01
PRECIP DURATION 3 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1670 1540
MIXING HGT(FT-AGL/MSL)5480 5040
TRANSPORT WND (MPH) W 43 W 32
VENT RATE (KT-FT) 202760 141120
CATEGORY DAY 5 5
INVERSION 48F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 135 VERY GOOD56 GEN GOOD 108 VERY GOOD
MAX ADI LATE 142 VERY GOOD53 GEN GOOD 103 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-292115-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 42 (-16) 19 (-18) 28
RH % (24H TREND) 60 (-12) 74 (-10) 53
WIND 20FT/EARLY(MPH) W 22 G40 W 19 G35 W 17 G27
WIND 20FT/LATE(MPH) W 22 G41 W 19 G33 W 15 G25
PRECIP AMOUNT 0.02 0.03 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1490 1490
MIXING HGT(FT-AGL/MSL)4880 4880
TRANSPORT WND (MPH) W 43 W 29
VENT RATE (KT-FT) 180560 122000
CATEGORY DAY 5 5
INVERSION 48F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 136 VERY GOOD50 GEN GOOD 94 GOOD
MAX ADI LATE 134 VERY GOOD46 GEN GOOD 89 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-292115-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW/RAIN SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 43 (-16) 20 (-18) 27
RH % (24H TREND) 61 (-7) 74 (-9) 55
WIND 20FT/EARLY(MPH) W 19 G38 W 18 G34 W 14 G26
WIND 20FT/LATE(MPH) W 19 G38 W 17 G32 W 13 G23
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1520 1470
MIXING HGT(FT-AGL/MSL)4970 4820
TRANSPORT WND (MPH) W 39 W 28
VENT RATE (KT-FT) 168980 115680
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD46 GEN GOOD 86 GOOD
MAX ADI LATE 133 VERY GOOD43 GEN GOOD 83 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-292115-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 60 60 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-11) 19 (-21) 27
RH % (24H TREND) 62 (-12) 78 (-12) 55
WIND 20FT/EARLY(MPH) W 23 G38 W 22 G38 W 20 G30
WIND 20FT/LATE(MPH) W 26 G41 W 20 G35 W 17 G26
PRECIP AMOUNT 0.03 0.04 0.01
PRECIP DURATION 3 6 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1630 1530
MIXING HGT(FT-AGL/MSL)5360 5010
TRANSPORT WND (MPH) W 44 W 31
VENT RATE (KT-FT) 203680 135270
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 138 VERY GOOD60 GEN GOOD 107 VERY GOOD
MAX ADI LATE 145 VERY GOOD51 GEN GOOD 99 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-292115-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 60 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 47 (-5) 16 (-25) 26
RH % (24H TREND) 57 (-19) 77 (-13) 52
WIND 20FT/EARLY(MPH) W 21 G41 W 23 G44 W 20 G35
WIND 20FT/LATE(MPH) W 23 G44 W 21 G40 W 17 G31
PRECIP AMOUNT 0.07 0.11 0.01
PRECIP DURATION 3 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1630 1500
MIXING HGT(FT-AGL/MSL)5350 4920
TRANSPORT WND (MPH) W 47 W 36
VENT RATE (KT-FT) 219350 152520
CATEGORY DAY 5 5
INVERSION 51F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 138 VERY GOOD61 GOOD 120 VERY GOOD
MAX ADI LATE 154 VERY GOOD58 GEN GOOD 108 VERY GOOD
MAX LVORI EARLY 4 3 2
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-292115-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 50 60 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-13) 19 (-22) 27
RH % (24H TREND) 61 (-5) 75 (-10) 54
WIND 20FT/EARLY(MPH) W 18 G35 W 18 G36 W 16 G28
WIND 20FT/LATE(MPH) W 20 G36 W 17 G33 W 14 G23
PRECIP AMOUNT 0.04 0.04 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1630 1530
MIXING HGT(FT-AGL/MSL)5340 5020
TRANSPORT WND (MPH) W 41 W 30
VENT RATE (KT-FT) 192240 130520
CATEGORY DAY 5 5
INVERSION 51F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 132 VERY GOOD51 GEN GOOD 94 GOOD
MAX ADI LATE 141 VERY GOOD48 GEN GOOD 90 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-292115-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 70 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-9) 16 (-23) 25
RH % (24H TREND) 62 (-11) 80 (-11) 56
WIND 20FT/EARLY(MPH) W 17 G36 W 19 G40 W 15 G31
WIND 20FT/LATE(MPH) W 18 G38 W 17 G36 W 13 G26
PRECIP AMOUNT 0.10 0.11 0.01
PRECIP DURATION 4 6 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1590 1390
MIXING HGT(FT-AGL/MSL)5220 4550
TRANSPORT WND (MPH) W 45 W 33
VENT RATE (KT-FT) 203580 131950
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 127 VERY GOOD53 GEN GOOD 104 VERY GOOD
MAX ADI LATE 138 VERY GOOD51 GEN GOOD 100 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-292115-
INDIANA-
INCLUDING THE CITY OF INDIANA
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (-3) 18 (-23) 26
RH % (24H TREND) 63 (-17) 77 (-18) 56
WIND 20FT/EARLY(MPH) W 20 G40 W 21 G41 W 19 G33
WIND 20FT/LATE(MPH) W 23 G44 W 20 G38 W 16 G30
PRECIP AMOUNT 0.04 0.03 0.01
PRECIP DURATION 3 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1660 1520
MIXING HGT(FT-AGL/MSL)5450 5000
TRANSPORT WND (MPH) W 47 W 36
VENT RATE (KT-FT) 223450 155000
CATEGORY DAY 5 5
INVERSION 52F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 143 VERY GOOD63 GOOD 118 VERY GOOD
MAX ADI LATE 154 VERY GOOD56 GEN GOOD 112 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-292115-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 70 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 47 (-1) 18 (-24) 25
RH % (24H TREND) 61 (-19) 76 (-19) 55
WIND 20FT/EARLY(MPH) W 20 G42 W 23 G44 W 19 G34
WIND 20FT/LATE(MPH) W 23 G45 W 21 G40 W 17 G32
PRECIP AMOUNT 0.05 0.03 0.01
PRECIP DURATION 4 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1640 1470
MIXING HGT(FT-AGL/MSL)5370 4820
TRANSPORT WND (MPH) W 51 W 37
VENT RATE (KT-FT) 236280 154240
CATEGORY DAY 5 5
INVERSION 52F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 145 VERY GOOD67 GOOD 124 VERY GOOD
MAX ADI LATE 159 VERY GOOD60 GEN GOOD 115 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-292115-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 60 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 (-21) 20 (-14) 27
RH % (24H TREND) 59 (-14) 70 (-24) 51
WIND 20FT/EARLY(MPH) SW 18 G37 W 18 G34 W 14 G26
WIND 20FT/LATE(MPH) W 19 G38 W 17 G31 W 13 G23
PRECIP AMOUNT 0.02 0.03 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1650 1490
MIXING HGT(FT-AGL/MSL)5410 4890
TRANSPORT WND (MPH) W 45 W 28
VENT RATE (KT-FT) 210990 117360
CATEGORY DAY 5 5
INVERSION 44F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 128 VERY GOOD55 GEN GOOD 95 GOOD
MAX ADI LATE 140 VERY GOOD51 GEN GOOD 85 GOOD
MAX LVORI EARLY 3 3 1
MAX LVORI LATE 1 1 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-292115-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (-21) 20 (-15) 28
RH % (24H TREND) 57 (-9) 71 (-9) 50
WIND 20FT/EARLY(MPH) SW 19 G40 W 18 G34 W 15 G26
WIND 20FT/LATE(MPH) W 20 G40 W 17 G32 W 13 G24
PRECIP AMOUNT 0.03 0.03 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1570 1500
MIXING HGT(FT-AGL/MSL)5160 4930
TRANSPORT WND (MPH) W 41 W 28
VENT RATE (KT-FT) 185760 118320
CATEGORY DAY 5 5
INVERSION 47F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 133 VERY GOOD50 GEN GOOD 93 GOOD
MAX ADI LATE 133 VERY GOOD49 GEN GOOD 85 GOOD
MAX LVORI EARLY 3 2 1
MAX LVORI LATE 1 1 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-292115-
OHIO-
INCLUDING THE CITY OF WHEELING
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 50 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 (-21) 20 (-16) 28
RH % (24H TREND) 58 (-10) 72 (-8) 52
WIND 20FT/EARLY(MPH) W 20 G40 W 18 G34 W 15 G27
WIND 20FT/LATE(MPH) W 21 G40 W 18 G32 W 14 G24
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1460 1450
MIXING HGT(FT-AGL/MSL)4790 4760
TRANSPORT WND (MPH) W 41 W 29
VENT RATE (KT-FT) 172440 119000
CATEGORY DAY 5 5
INVERSION 48F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 132 VERY GOOD50 GEN GOOD 87 GOOD
MAX ADI LATE 131 VERY GOOD46 GEN GOOD 84 GOOD
MAX LVORI EARLY 3 3 2
MAX LVORI LATE 1 2 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-292115-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 41 (-19) 21 (-15) 29
RH % (24H TREND) 56 (-13) 73 (-6) 54
WIND 20FT/EARLY(MPH) W 18 G40 W 17 G34 W 14 G26
WIND 20FT/LATE(MPH) W 19 G39 W 16 G32 W 12 G23
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1550 1420
MIXING HGT(FT-AGL/MSL)5070 4660
TRANSPORT WND (MPH) W 40 W 26
VENT RATE (KT-FT) 177450 107180
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 127 VERY GOOD46 GEN GOOD 83 GOOD
MAX ADI LATE 129 VERY GOOD41 GEN GOOD 78 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-292115-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SNOW SHOWERS NONE
CHANCE PRECIP (%) 40 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 41 (-18) 20 (-17) 27
RH % (24H TREND) 58 (-10) 75 (-6) 55
WIND 20FT/EARLY(MPH) W 17 G38 W 15 G34 W 13 G26
WIND 20FT/LATE(MPH) W 16 G38 W 14 G30 W 11 G23
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1580 1360
MIXING HGT(FT-AGL/MSL)5190 4460
TRANSPORT WND (MPH) W 38 W 26
VENT RATE (KT-FT) 171270 102580
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 124 VERY GOOD46 GEN GOOD 76 GOOD
MAX ADI LATE 128 VERY GOOD39 FAIR 74 GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-292115-
MARION-
INCLUDING THE CITY OF FAIRMONT
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 40 50 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 44 (-15) 19 (-20) 27
RH % (24H TREND) 62 (-1) 76 (-11) 55
WIND 20FT/EARLY(MPH) W 18 G37 W 16 G33 W 14 G25
WIND 20FT/LATE(MPH) W 18 G36 W 15 G29 W 11 G22
PRECIP AMOUNT 0.04 0.02 0.00
PRECIP DURATION 3 4 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1610 1430
MIXING HGT(FT-AGL/MSL)5290 4680
TRANSPORT WND (MPH) W 39 W 26
VENT RATE (KT-FT) 179860 107640
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD47 GEN GOOD 81 GOOD
MAX ADI LATE 131 VERY GOOD41 GEN GOOD 78 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-292115-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 50 50 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-14) 20 (-20) 27
RH % (24H TREND) 62 (-2) 75 (-10) 55
WIND 20FT/EARLY(MPH) W 18 G37 W 16 G34 W 14 G25
WIND 20FT/LATE(MPH) W 17 G36 W 16 G30 W 11 G22
PRECIP AMOUNT 0.04 0.03 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1640 1490
MIXING HGT(FT-AGL/MSL)5380 4880
TRANSPORT WND (MPH) W 39 W 28
VENT RATE (KT-FT) 182920 117120
CATEGORY DAY 5 5
INVERSION 51F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD45 GEN GOOD 85 GOOD
MAX ADI LATE 133 VERY GOOD43 GEN GOOD 81 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-292115-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 70 60 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 44 (-12) 17 (-22) 24
RH % (24H TREND) 64 (-7) 79 (-12) 57
WIND 20FT/EARLY(MPH) W 17 G36 W 18 G34 W 15 G27
WIND 20FT/LATE(MPH) W 16 G36 W 17 G32 W 11 G23
PRECIP AMOUNT 0.09 0.08 0.00
PRECIP DURATION 4 6 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1480 1350
MIXING HGT(FT-AGL/MSL)4850 4410
TRANSPORT WND (MPH) W 38 W 32
VENT RATE (KT-FT) 160050 123480
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 122 VERY GOOD47 GEN GOOD 91 GOOD
MAX ADI LATE 130 VERY GOOD45 GEN GOOD 84 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-292115-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-12) 17 (-23) 24
RH % (24H TREND) 63 (-9) 81 (-12) 57
WIND 20FT/EARLY(MPH) W 16 G36 W 16 G34 W 13 G27
WIND 20FT/LATE(MPH) W 16 G36 W 15 G32 W 11 G23
PRECIP AMOUNT 0.11 0.08 0.00
PRECIP DURATION 4 6 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1570 1400
MIXING HGT(FT-AGL/MSL)5160 4580
TRANSPORT WND (MPH) W 40 W 32
VENT RATE (KT-FT) 180600 128240
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 131 VERY GOOD49 GEN GOOD 97 GOOD
MAX ADI LATE 138 VERY GOOD48 GEN GOOD 92 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-292115-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-10) 14 (-26) 23
RH % (24H TREND) 65 (-13) 84 (-12) 58
WIND 20FT/EARLY(MPH) W 18 G42 W 21 G42 W 17 G34
WIND 20FT/LATE(MPH) W 20 G43 W 19 G39 W 14 G30
PRECIP AMOUNT 0.14 0.11 0.01
PRECIP DURATION 4 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1490 1290
MIXING HGT(FT-AGL/MSL)4890 4230
TRANSPORT WND (MPH) W 45 W 38
VENT RATE (KT-FT) 190710 139590
CATEGORY DAY 5 5
INVERSION 49F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 133 VERY GOOD55 GEN GOOD 105 VERY GOOD
MAX ADI LATE 138 VERY GOOD54 GEN GOOD 101 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-292115-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 46 (-11) 15 (-26) 23
RH % (24H TREND) 60 (-12) 80 (-10) 53
WIND 20FT/EARLY(MPH) W 18 G42 W 20 G42 W 17 G34
WIND 20FT/LATE(MPH) W 20 G43 W 19 G39 W 14 G28
PRECIP AMOUNT 0.11 0.08 0.01
PRECIP DURATION 4 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1510 1260
MIXING HGT(FT-AGL/MSL)4970 4140
TRANSPORT WND (MPH) W 43 W 35
VENT RATE (KT-FT) 183890 124200
CATEGORY DAY 5 5
INVERSION 50F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 128 VERY GOOD53 GEN GOOD 97 GOOD
MAX ADI LATE 139 VERY GOOD52 GEN GOOD 91 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-292115-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1258 AM EST MON DEC 29 2025
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE RAIN SNOW SHOWERS SNOW SHOWERS
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 45 (-8) 11 (-28) 19
RH % (24H TREND) 69 (-10) 84 (-13) 64
WIND 20FT/EARLY(MPH) W 20 G51 W 24 G53 W 21 G51
WIND 20FT/LATE(MPH) W 22 G52 W 24 G52 W 16 G43
PRECIP AMOUNT 0.16 0.14 0.02
PRECIP DURATION 4 7 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1430 1060
MIXING HGT(FT-AGL/MSL)4690 3480
TRANSPORT WND (MPH) W 53 W 43
VENT RATE (KT-FT) 215740 128760
CATEGORY DAY 5 5
INVERSION 47F/6AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 135 VERY GOOD72 GOOD 112 VERY GOOD
MAX ADI LATE 151 VERY GOOD68 GOOD 104 VERY GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND 20. HIGHS
IN THE LOWER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
SNOW. LOWS AROUND 14. HIGHS IN THE LOWER 20S. WEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 12. HIGHS IN THE MID 20S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS AROUND 14. HIGHS AROUND 30. WEST
WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 15. HIGHS AROUND 30.
SOUTHWEST WINDS 5 TO 10 MPH.
WM
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