773
FNUS51 KPBZ 180557
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1257 AM EST SUN JAN 18 2026
DISCUSSION
LIGHT SNOW SHOWERS WILL TAPER OFF THIS MORNING. COLD WEATHER IS
EXPECTED THROUGH TUESDAY, WITH DANGEROUSLY COLD WIND CHILLS MONDAY
NIGHT AND TUESDAY MORNING. LIGHT SNOW CHANCES ARE EXPECTED AGAIN
ON MONDAY, PRIMARILY NORTH OF I-70.
OHZ039-180715-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE FRZ RAIN NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 13 (-17) 23
RH % (24H TREND) 63 80 (-15) 45
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR SW 7
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 9 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1230 1290
MIXING HGT(FT-AGL/MSL)4040 4230
TRANSPORT WND (MPH) SW 25 W 16
VENT RATE (KT-FT) 88880 59220
CATEGORY DAY 4 4
INVERSION 33F/9AM 7PM 17F/4AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 12 POOR 63 GOOD
MAX ADI LATE 88 GOOD 11 POOR 63 GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-180715-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 13 (-16) 23
RH % (24H TREND) 62 81 (-12) 46
WIND 20FT/EARLY(MPH) SW 7 G17 W 5 W 6
WIND 20FT/LATE(MPH) SW 11 G18 W 5 W 7
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 10 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1120 1320
MIXING HGT(FT-AGL/MSL)3680 4320
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 77280 60480
CATEGORY DAY 4 4
INVERSION 32F/9AM 7PM 17F/4AM
DISPERSION 4 4
MAX ADI EARLY 43 GEN GOOD 17 GEN POOR 56 GEN GOOD
MAX ADI LATE 64 GOOD 10 POOR 49 GEN GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-180715-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 13 (-16) 22
RH % (24H TREND) 63 88 (-6) 47
WIND 20FT/EARLY(MPH) SW 7 G18 W 5 W 5
WIND 20FT/LATE(MPH) SW 10 G18 LGT/VAR W 7
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 10 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1070 1350
MIXING HGT(FT-AGL/MSL)3510 4430
TRANSPORT WND (MPH) SW 26 W 17
VENT RATE (KT-FT) 80730 66450
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 18 GEN POOR 64 GOOD
MAX ADI LATE 67 GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-180715-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE FRZ RAIN NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 12 (-18) 23
RH % (24H TREND) 56 84 (-13) 47
WIND 20FT/EARLY(MPH) SW 6 W 5 G18 W 5
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 9 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1310 1260
MIXING HGT(FT-AGL/MSL)4300 4120
TRANSPORT WND (MPH) SW 25 W 16
VENT RATE (KT-FT) 94600 57680
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 16F/4AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 11 POOR 62 GOOD
MAX ADI LATE 95 GOOD 12 POOR 60 GEN GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-180715-
HARRISON-
INCLUDING THE CITY OF CADIZ
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE FRZ RAIN SNOW NONE
CHANCE PRECIP (%) 70 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 14 (-15) 23
RH % (24H TREND) 55 81 (-17) 45
WIND 20FT/EARLY(MPH) SW 7 G17 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 10 G19 W 5 SW 7
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1190 1360
MIXING HGT(FT-AGL/MSL)3890 4470
TRANSPORT WND (MPH) SW 25 W 16
VENT RATE (KT-FT) 85580 62580
CATEGORY DAY 4 4
INVERSION 32F/9AM 7PM 18F/4AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 12 POOR 47 GEN GOOD
MAX ADI LATE 69 GOOD 10 POOR 49 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-180715-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 15 (-13) 23
RH % (24H TREND) 54 86 (-12) 44
WIND 20FT/EARLY(MPH) SW 7 W 5 W 6
WIND 20FT/LATE(MPH) SW 10 G21 LGT/VAR SW 7
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1100 1400
MIXING HGT(FT-AGL/MSL)3600 4580
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 75600 64120
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 18 GEN POOR 51 GEN GOOD
MAX ADI LATE 63 GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 7 5 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-180715-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE FRZ RAIN NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 13 (-17) 23
RH % (24H TREND) 48 79 (-19) 46
WIND 20FT/EARLY(MPH) SW 8 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G26 LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 9 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1290 1250
MIXING HGT(FT-AGL/MSL)4240 4120
TRANSPORT WND (MPH) SW 25 W 16
VENT RATE (KT-FT) 93280 57680
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 17F/4AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 11 POOR 41 GEN GOOD
MAX ADI LATE 79 GOOD 11 POOR 54 GEN GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-180715-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE FRZ RAIN NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 14 (-15) 24
RH % (24H TREND) 50 81 (-17) 45
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR SW 6
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 9 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1270 1340
MIXING HGT(FT-AGL/MSL)4150 4390
TRANSPORT WND (MPH) SW 25 W 15
VENT RATE (KT-FT) 91300 57070
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 18F/4AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 8 POOR 42 GEN GOOD
MAX ADI LATE 83 GOOD 9 POOR 46 GEN GOOD
MAX LVORI EARLY 7 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-180715-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 14 (-15) 24
RH % (24H TREND) 55 84 (-15) 47
WIND 20FT/EARLY(MPH) SW 6 G17 LGT/VAR W 6
WIND 20FT/LATE(MPH) SW 10 G20 W 5 W 7
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1030 1370
MIXING HGT(FT-AGL/MSL)3390 4480
TRANSPORT WND (MPH) SW 23 W 16
VENT RATE (KT-FT) 67800 62720
CATEGORY DAY 4 4
INVERSION 32F/9AM 6PM 20F/4AM
DISPERSION 4 4
MAX ADI EARLY 37 FAIR 10 POOR 41 GEN GOOD
MAX ADI LATE 55 GEN GOOD 9 POOR 47 GEN GOOD
MAX LVORI EARLY 7 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-180715-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 40 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 14 (-16) 24
RH % (24H TREND) 48 83 (-16) 47
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 1230 1380
MIXING HGT(FT-AGL/MSL)4020 4530
TRANSPORT WND (MPH) SW 24 W 15
VENT RATE (KT-FT) 84420 58890
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 20F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 7 POOR 40 FAIR
MAX ADI LATE 64 GOOD 10 POOR 44 GEN GOOD
MAX LVORI EARLY 7 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-180715-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 40 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 41 16 (-14) 25
RH % (24H TREND) 53 87 (-13) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1020 1400
MIXING HGT(FT-AGL/MSL)3340 4600
TRANSPORT WND (MPH) SW 22 W 15
VENT RATE (KT-FT) 63460 59800
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 33 FAIR 8 POOR 40 FAIR
MAX ADI LATE 53 GEN GOOD 10 POOR 46 GEN GOOD
MAX LVORI EARLY 7 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-180715-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 12 (-15) 20
RH % (24H TREND) 61 90 (-4) 53
WIND 20FT/EARLY(MPH) SW 7 W 6 G19 SW 6
WIND 20FT/LATE(MPH) SW 10 G19 W 5 SW 7
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 850 1270
MIXING HGT(FT-AGL/MSL)2800 4170
TRANSPORT WND (MPH) SW 22 W 17
VENT RATE (KT-FT) 53200 62550
CATEGORY DAY 4 4
INVERSION 31F/9AM 7PM 15F/4AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 18 GEN POOR 66 GOOD
MAX ADI LATE 48 GEN GOOD 10 POOR 68 GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-180715-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 12 (-13) 20
RH % (24H TREND) 67 91 (-4) 55
WIND 20FT/EARLY(MPH) SW 6 W 6 W 5
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR SW 6
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 890 1310
MIXING HGT(FT-AGL/MSL)2920 4310
TRANSPORT WND (MPH) SW 22 W 15
VENT RATE (KT-FT) 55480 56030
CATEGORY DAY 4 4
INVERSION 31F/9AM 7PM 16F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 12 POOR 63 GOOD
MAX ADI LATE 51 GEN GOOD 10 POOR 60 GEN GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-180715-
FOREST-
INCLUDING THE CITY OF TIONESTA
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 13 (-13) 20
RH % (24H TREND) 72 89 (-7) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 920 1310
MIXING HGT(FT-AGL/MSL)3030 4300
TRANSPORT WND (MPH) SW 22 W 15
VENT RATE (KT-FT) 57570 55900
CATEGORY DAY 4 4
INVERSION 30F/9AM 3AM 16F/4AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 12 POOR 60 GEN GOOD
MAX ADI LATE 50 GEN GOOD 8 POOR 47 GEN GOOD
MAX LVORI EARLY 5 4 3
MAX LVORI LATE 4 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-180715-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 13 (-15) 22
RH % (24H TREND) 60 87 (-7) 48
WIND 20FT/EARLY(MPH) SW 5 W 5 G19 W 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 960 1360
MIXING HGT(FT-AGL/MSL)3160 4450
TRANSPORT WND (MPH) SW 23 W 17
VENT RATE (KT-FT) 63200 66750
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 12 POOR 67 GOOD
MAX ADI LATE 53 GEN GOOD 10 POOR 52 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-180715-
BUTLER-
INCLUDING THE CITY OF BUTLER
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 12 (-16) 22
RH % (24H TREND) 67 88 (-8) 52
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G22 LGT/VAR W 6
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 900 1390
MIXING HGT(FT-AGL/MSL)2950 4570
TRANSPORT WND (MPH) SW 22 W 17
VENT RATE (KT-FT) 56050 68550
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 12 POOR 58 GEN GOOD
MAX ADI LATE 50 GEN GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-180715-
CLARION-
INCLUDING THE CITY OF CLARION
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 60 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 14 (-13) 21
RH % (24H TREND) 73 90 (-6) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR W 5
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 880 1340
MIXING HGT(FT-AGL/MSL)2900 4380
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 55100 61320
CATEGORY DAY 4 4
INVERSION 31F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 12 POOR 60 GEN GOOD
MAX ADI LATE 50 GEN GOOD 10 POOR 48 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-180715-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 15 (-12) 20
RH % (24H TREND) 77 92 (-4) 54
WIND 20FT/EARLY(MPH) SW 5 W 6 G23 W 5
WIND 20FT/LATE(MPH) SW 9 G17 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.01 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 950 1300
MIXING HGT(FT-AGL/MSL)3120 4250
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 59280 59500
CATEGORY DAY 4 4
INVERSION 31F/9AM 11PM 19F/4AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 20 GEN POOR 50 GEN GOOD
MAX ADI LATE 52 GEN GOOD 8 POOR 46 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 4 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-180715-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 15 (-14) 23
RH % (24H TREND) 60 83 (-14) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1050 1440
MIXING HGT(FT-AGL/MSL)3450 4710
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 72450 65940
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 11 POOR 62 GOOD
MAX ADI LATE 61 GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-180715-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 17 (-13) 24
RH % (24H TREND) 61 87 (-9) 50
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 6
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR W 7
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 960 1470
MIXING HGT(FT-AGL/MSL)3140 4810
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 59660 67340
CATEGORY DAY 4 4
INVERSION 33F/9AM 7PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 15 GEN POOR 49 GEN GOOD
MAX ADI LATE 54 GEN GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-180715-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 15 (-13) 23
RH % (24H TREND) 74 91 (-6) 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G17 LGT/VAR W 6
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 980 1440
MIXING HGT(FT-AGL/MSL)3210 4730
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 60990 66220
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 21F/4AM
DISPERSION 4 4
MAX ADI EARLY 36 FAIR 13 GEN POOR 47 GEN GOOD
MAX ADI LATE 53 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 7 4 4
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-180715-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 40 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 16 (-14) 24
RH % (24H TREND) 61 87 (-10) 50
WIND 20FT/EARLY(MPH) SW 7 SW 5 G18 W 6
WIND 20FT/LATE(MPH) SW 11 G20 W 5 W 8
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 960 1410
MIXING HGT(FT-AGL/MSL)3130 4620
TRANSPORT WND (MPH) SW 23 W 16
VENT RATE (KT-FT) 62600 64680
CATEGORY DAY 4 4
INVERSION 33F/9AM 7PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 14 GEN POOR 48 GEN GOOD
MAX ADI LATE 53 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-180715-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 18 (-13) 24
RH % (24H TREND) 72 93 (-7) 54
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 9 LGT/VAR W 7
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1070 1450
MIXING HGT(FT-AGL/MSL)3520 4750
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 73920 66500
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 9 POOR 49 GEN GOOD
MAX ADI LATE 59 GEN GOOD 10 POOR 49 GEN GOOD
MAX LVORI EARLY 7 5 4
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-180715-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 70 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 17 (-13) 25
RH % (24H TREND) 67 95 (-3) 53
WIND 20FT/EARLY(MPH) SW 6 W 5 W 6
WIND 20FT/LATE(MPH) SW 11 G23 LGT/VAR W 8
PRECIP AMOUNT 0.03 0.03 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1080 1450
MIXING HGT(FT-AGL/MSL)3540 4750
TRANSPORT WND (MPH) SW 23 W 16
VENT RATE (KT-FT) 70800 66500
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 13 GEN POOR 49 GEN GOOD
MAX ADI LATE 58 GEN GOOD 10 POOR 51 GEN GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-180715-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 80 50 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 16 (-14) 23
RH % (24H TREND) 72 96 (-2) 53
WIND 20FT/EARLY(MPH) SW 5 W 5 W 6
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR W 7
PRECIP AMOUNT 0.06 0.04 0.01
PRECIP DURATION 3 2 0
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 AM
MIXING HGT(M-AGL/MSL) 1140 1350
MIXING HGT(FT-AGL/MSL)3740 4420
TRANSPORT WND (MPH) W 24 W 17
VENT RATE (KT-FT) 78540 66300
CATEGORY DAY 4 4
INVERSION 32F/9AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 12 POOR 45 GEN GOOD
MAX ADI LATE 62 GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-180715-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SNOW NONE
CHANCE PRECIP (%) 70 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 18 (-13) 25
RH % (24H TREND) 67 95 (-4) 56
WIND 20FT/EARLY(MPH) SW 6 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.05 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1160 1430
MIXING HGT(FT-AGL/MSL)3800 4710
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 79800 65940
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 24F/4AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 9 POOR 48 GEN GOOD
MAX ADI LATE 64 GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 4 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-180715-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE FRZ RAIN SNOW NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 17 (-12) 23
RH % (24H TREND) 77 99 (-1) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G18 LGT/VAR W 6
PRECIP AMOUNT 0.08 0.06 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1080 1320
MIXING HGT(FT-AGL/MSL)3550 4340
TRANSPORT WND (MPH) W 24 W 17
VENT RATE (KT-FT) 74550 65100
CATEGORY DAY 4 4
INVERSION 30F/9AM 5PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 10 POOR 45 GEN GOOD
MAX ADI LATE 59 GEN GOOD 9 POOR 48 GEN GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 4 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-180715-
INDIANA-
INCLUDING THE CITY OF INDIANA
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 80 70 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 17 (-12) 24
RH % (24H TREND) 73 93 (-4) 54
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 W 6
WIND 20FT/LATE(MPH) SW 9 G18 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.03 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1010 1420
MIXING HGT(FT-AGL/MSL)3330 4650
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 63270 65100
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 14 GEN POOR 45 GEN GOOD
MAX ADI LATE 54 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 7 4 4
MAX LVORI LATE 4 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-180715-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 80 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 18 (-11) 23
RH % (24H TREND) 75 94 (-4) 55
WIND 20FT/EARLY(MPH) SW 5 W 5 W 6
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR W 7
PRECIP AMOUNT 0.06 0.03 0.02
PRECIP DURATION 2 3 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 9 AM
MIXING HGT(M-AGL/MSL) 1030 1290
MIXING HGT(FT-AGL/MSL)3370 4220
TRANSPORT WND (MPH) W 22 W 18
VENT RATE (KT-FT) 64030 67520
CATEGORY DAY 4 4
INVERSION 32F/10AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 31 FAIR 14 GEN POOR 43 GEN GOOD
MAX ADI LATE 54 GEN GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 8 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-180715-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 16 (-13) 23
RH % (24H TREND) 58 87 (-10) 44
WIND 20FT/EARLY(MPH) SW 6 W 5 W 5
WIND 20FT/LATE(MPH) SW 9 G17 LGT/VAR SW 6
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1130 1440
MIXING HGT(FT-AGL/MSL)3720 4710
TRANSPORT WND (MPH) SW 25 W 16
VENT RATE (KT-FT) 81840 65940
CATEGORY DAY 4 4
INVERSION 32F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 18 GEN POOR 63 GOOD
MAX ADI LATE 65 GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 7 5 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-180715-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 17 (-13) 24
RH % (24H TREND) 54 84 (-13) 47
WIND 20FT/EARLY(MPH) SW 7 SW 5 W 5
WIND 20FT/LATE(MPH) SW 10 G23 LGT/VAR W 7
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1060 1450
MIXING HGT(FT-AGL/MSL)3480 4770
TRANSPORT WND (MPH) SW 23 W 16
VENT RATE (KT-FT) 69600 66780
CATEGORY DAY 4 4
INVERSION 33F/9AM 7PM 21F/4AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 17 GEN POOR 46 GEN GOOD
MAX ADI LATE 56 GEN GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-180715-
OHIO-
INCLUDING THE CITY OF WHEELING
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 17 (-13) 24
RH % (24H TREND) 54 83 (-15) 49
WIND 20FT/EARLY(MPH) SW 7 SW 5 W 6
WIND 20FT/LATE(MPH) SW 11 G23 W 5 W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1020 1390
MIXING HGT(FT-AGL/MSL)3350 4570
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 63650 63980
CATEGORY DAY 4 4
INVERSION 32F/9AM 7PM 21F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 16 GEN POOR 42 GEN GOOD
MAX ADI LATE 54 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-180715-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 30 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 17 (-13) 25
RH % (24H TREND) 63 87 (-12) 52
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 6
WIND 20FT/LATE(MPH) SW 9 G18 W 5 W 7
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1040 1400
MIXING HGT(FT-AGL/MSL)3420 4590
TRANSPORT WND (MPH) SW 22 W 16
VENT RATE (KT-FT) 64980 64260
CATEGORY DAY 4 4
INVERSION 32F/9AM 6PM 22F/4AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 9 POOR 47 GEN GOOD
MAX ADI LATE 55 GEN GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 7 4 3
MAX LVORI LATE 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-180715-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 37 18 (-12) 24
RH % (24H TREND) 70 89 (-11) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 W 5 W 6
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 950 1430
MIXING HGT(FT-AGL/MSL)3120 4700
TRANSPORT WND (MPH) SW 21 W 16
VENT RATE (KT-FT) 56160 65800
CATEGORY DAY 4 4
INVERSION 32F/9AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 8 POOR 46 GEN GOOD
MAX ADI LATE 49 GEN GOOD 10 POOR 50 GEN GOOD
MAX LVORI EARLY 7 5 3
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-180715-
MARION-
INCLUDING THE CITY OF FAIRMONT
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 40 18 (-13) 24
RH % (24H TREND) 74 92 (-8) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.04 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1150 1520
MIXING HGT(FT-AGL/MSL)3780 4970
TRANSPORT WND (MPH) SW 24 W 17
VENT RATE (KT-FT) 79380 74550
CATEGORY DAY 4 4
INVERSION 32F/9AM 6PM 24F/4AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 8 POOR 49 GEN GOOD
MAX ADI LATE 63 GOOD 10 POOR 52 GEN GOOD
MAX LVORI EARLY 7 5 4
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-180715-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 70 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 38 19 (-12) 26
RH % (24H TREND) 74 93 (-5) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.04 0.05 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1180 1540
MIXING HGT(FT-AGL/MSL)3880 5040
TRANSPORT WND (MPH) SW 24 W 16
VENT RATE (KT-FT) 81480 70560
CATEGORY DAY 4 4
INVERSION 33F/9AM 6PM 25F/4AM
DISPERSION 4 4
MAX ADI EARLY 33 FAIR 8 POOR 50 GEN GOOD
MAX ADI LATE 65 GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 7 5 4
MAX LVORI LATE 4 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-180715-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 17 (-13) 23
RH % (24H TREND) 77 98 (-2) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.10 0.08 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1060 1310
MIXING HGT(FT-AGL/MSL)3480 4300
TRANSPORT WND (MPH) W 24 W 17
VENT RATE (KT-FT) 73080 64500
CATEGORY DAY 4 4
INVERSION 31F/10AM 5PM 22F/5AM
DISPERSION 4 4
MAX ADI EARLY 26 FAIR 8 POOR 45 GEN GOOD
MAX ADI LATE 60 GEN GOOD 9 POOR 48 GEN GOOD
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-180715-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 18 (-12) 23
RH % (24H TREND) 78 100 (0) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 7 LGT/VAR W 6
PRECIP AMOUNT 0.11 0.06 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1130 1380
MIXING HGT(FT-AGL/MSL)3700 4520
TRANSPORT WND (MPH) W 24 W 17
VENT RATE (KT-FT) 77700 67800
CATEGORY DAY 4 4
INVERSION 31F/7AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 29 FAIR 8 POOR 47 GEN GOOD
MAX ADI LATE 60 GEN GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-180715-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 36 17 (-11) 22
RH % (24H TREND) 80 100 (0) 60
WIND 20FT/EARLY(MPH) SW 6 W 5 W 7
WIND 20FT/LATE(MPH) W 8 G17 W 5 W 7
PRECIP AMOUNT 0.12 0.07 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 1070 1240
MIXING HGT(FT-AGL/MSL)3520 4060
TRANSPORT WND (MPH) W 24 W 18
VENT RATE (KT-FT) 73920 64960
CATEGORY DAY 4 4
INVERSION 30F/9AM 6PM 23F/4AM
DISPERSION 4 4
MAX ADI EARLY 33 FAIR 11 POOR 46 GEN GOOD
MAX ADI LATE 60 GEN GOOD 11 POOR 51 GEN GOOD
MAX LVORI EARLY 5 7 5
MAX LVORI LATE 4 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-180715-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 80 60 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 39 18 (-10) 23
RH % (24H TREND) 70 97 (0) 56
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR W 6
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR W 6
PRECIP AMOUNT 0.09 0.06 0.01
PRECIP DURATION 5 2 0
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 AM
MIXING HGT(M-AGL/MSL) 1250 1250
MIXING HGT(FT-AGL/MSL)4110 4110
TRANSPORT WND (MPH) W 25 W 17
VENT RATE (KT-FT) 90420 61650
CATEGORY DAY 4 4
INVERSION 30F/8AM 6PM 24F/4AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 9 POOR 45 GEN GOOD
MAX ADI LATE 69 GOOD 10 POOR 51 GEN GOOD
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-180715-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1257 AM EST SUN JAN 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS SNOW SNOW
CHANCE PRECIP (%) 70 60 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 14 (-10) 20
RH % (24H TREND) 65 100 (+6) 64
WIND 20FT/EARLY(MPH) W 7 W 5 W 8 G22
WIND 20FT/LATE(MPH) W 9 G17 W 6 G20 W 8 G21
PRECIP AMOUNT 0.08 0.05 0.01
PRECIP DURATION 3 2 0
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 11 AM
MIXING HGT(M-AGL/MSL) 1130 1030
MIXING HGT(FT-AGL/MSL)3700 3370
TRANSPORT WND (MPH) W 29 W 21
VENT RATE (KT-FT) 92500 60660
CATEGORY DAY 4 4
INVERSION 29F/9AM 6PM 21F/4AM
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 12 POOR 42 GEN GOOD
MAX ADI LATE 72 GOOD 14 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 4 6 4
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND 15.
HIGHS IN THE MID 20S. SOUTHWEST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 4. HIGHS AROUND 16.
SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SNOW. NOT AS COOL. LOWS
AROUND 8. HIGHS IN THE MID 30S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SNOW. LOWS AROUND 20.
HIGHS IN THE UPPER 20S. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 11. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
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