843
FNUS51 KPBZ 180502
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
102 AM EDT THU JUN 18 2026
DISCUSSION
SHOWERS AND THUNDERSTORMS WILL GRADUALLY END BY EARLY TO MID
MORNING WITH A CROSSING COLD FRONT. GUSTY WIND IS THEN EXPECTED
THROUGH EARLY EVENING WITH MIXING DOWN OF STRONG WIND ALOFT.
MAINLY DRY WEATHER AND LESS WINDY CONDITIONS ARE EXPECTED FRIDAY
UNDER HIGH PRESSURE.
OHZ039-182045-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+2) 55 (-7) 76
RH % (24H TREND) 51 (+4) 94 (-4) 47
WIND 20FT/EARLY(MPH) SW 14 G28 W 8 G23 LGT/VAR
WIND 20FT/LATE(MPH) W 15 G30 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1800 2250
MIXING HGT(FT-AGL/MSL)5890 7390
TRANSPORT WND (MPH) W 36 W 20
VENT RATE (KT-FT) 182590 125630
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 146 VERY GOOD33 FAIR 70 GOOD
MAX ADI LATE 159 VERY GOOD5 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-182045-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 79 (+2) 54 (-8) 75
RH % (24H TREND) 49 (+4) 93 (-4) 48
WIND 20FT/EARLY(MPH) SW 15 G28 W 9 G25 W 5
WIND 20FT/LATE(MPH) W 18 G32 LGT/VAR W 11 G18
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(M-AGL/MSL) 1830 2130
MIXING HGT(FT-AGL/MSL)6010 6980
TRANSPORT WND (MPH) W 37 W 21
VENT RATE (KT-FT) 192320 125640
CATEGORY DAY 5 5
INVERSION 66F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 145 VERY GOOD37 FAIR 74 GOOD
MAX ADI LATE 164 VERY GOOD5 VERY POOR 97 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-182045-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+2) 54 (-7) 75
RH % (24H TREND) 49 (+3) 93 (-4) 46
WIND 20FT/EARLY(MPH) SW 14 G28 W 9 G24 W 5
WIND 20FT/LATE(MPH) W 17 G31 LGT/VAR W 10 G18
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT(M-AGL/MSL) 1880 2060
MIXING HGT(FT-AGL/MSL)6170 6760
TRANSPORT WND (MPH) W 38 W 22
VENT RATE (KT-FT) 203610 128440
CATEGORY DAY 5 5
INVERSION 66F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 145 VERY GOOD38 FAIR 84 GOOD
MAX ADI LATE 169 VERY GOOD5 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-182045-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+1) 54 (-8) 76
RH % (24H TREND) 51 (+3) 96 (-4) 49
WIND 20FT/EARLY(MPH) SW 12 G25 W 6 G23 LGT/VAR
WIND 20FT/LATE(MPH) W 14 G27 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1800 2250
MIXING HGT(FT-AGL/MSL)5910 7380
TRANSPORT WND (MPH) W 35 W 20
VENT RATE (KT-FT) 177300 125460
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 140 VERY GOOD32 FAIR 75 GOOD
MAX ADI LATE 155 VERY GOOD4 VERY POOR 147 VERY GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-182045-
HARRISON-
INCLUDING THE CITY OF CADIZ
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+2) 55 (-8) 76
RH % (24H TREND) 48 (+1) 97 (-2) 46
WIND 20FT/EARLY(MPH) SW 14 G30 W 8 G26 LGT/VAR
WIND 20FT/LATE(MPH) W 15 G32 LGT/VAR W 10 G19
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1840 2250
MIXING HGT(FT-AGL/MSL)6050 7390
TRANSPORT WND (MPH) W 35 W 20
VENT RATE (KT-FT) 181500 125630
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD32 FAIR 67 GOOD
MAX ADI LATE 158 VERY GOOD6 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-182045-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+3) 55 (-7) 76
RH % (24H TREND) 46 (+2) 94 (-4) 44
WIND 20FT/EARLY(MPH) SW 14 G30 W 9 G26 LGT/VAR
WIND 20FT/LATE(MPH) W 16 G32 LGT/VAR W 10 G18
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1930 2160
MIXING HGT(FT-AGL/MSL)6330 7100
TRANSPORT WND (MPH) W 36 W 20
VENT RATE (KT-FT) 196230 120700
CATEGORY DAY 5 5
INVERSION 67F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 134 VERY GOOD38 FAIR 71 GOOD
MAX ADI LATE 164 VERY GOOD5 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-182045-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 30 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+1) 55 (-9) 77
RH % (24H TREND) 50 (+2) 97 (-1) 47
WIND 20FT/EARLY(MPH) SW 12 G27 W 6 G23 LGT/VAR
WIND 20FT/LATE(MPH) W 14 G28 LGT/VAR W 8 G17
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1810 2140
MIXING HGT(FT-AGL/MSL)5950 7020
TRANSPORT WND (MPH) W 33 W 18
VENT RATE (KT-FT) 172550 112320
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 128 VERY GOOD30 FAIR 67 GOOD
MAX ADI LATE 152 VERY GOOD4 VERY POOR 139 VERY GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-182045-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+1) 55 (-9) 77
RH % (24H TREND) 49 (+2) 97 (-3) 46
WIND 20FT/EARLY(MPH) SW 12 G29 W 6 G24 LGT/VAR
WIND 20FT/LATE(MPH) W 14 G30 LGT/VAR W 8 G17
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1840 2240
MIXING HGT(FT-AGL/MSL)6030 7350
TRANSPORT WND (MPH) W 31 W 20
VENT RATE (KT-FT) 162810 124950
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 62F/9AM
DISPERSION 5 5
MAX ADI EARLY 113 VERY GOOD30 FAIR 68 GOOD
MAX ADI LATE 152 VERY GOOD4 VERY POOR 143 VERY GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-182045-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 82 (+3) 56 (-8) 77
RH % (24H TREND) 47 (0) 98 (0) 44
WIND 20FT/EARLY(MPH) SW 14 G31 W 8 G26 LGT/VAR
WIND 20FT/LATE(MPH) W 15 G33 LGT/VAR W 9 G19
PRECIP AMOUNT 0.12 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1830 2120
MIXING HGT(FT-AGL/MSL)6010 6960
TRANSPORT WND (MPH) W 32 W 20
VENT RATE (KT-FT) 168280 118320
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 110 VERY GOOD32 FAIR 63 GOOD
MAX ADI LATE 157 VERY GOOD5 VERY POOR 110 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-182045-
NOBLE-
INCLUDING THE CITY OF CALDWELL
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 82 (+2) 56 (-8) 77
RH % (24H TREND) 48 (+2) 98 (-1) 46
WIND 20FT/EARLY(MPH) SW 12 G29 W 6 G24 LGT/VAR
WIND 20FT/LATE(MPH) W 13 G30 LGT/VAR W 8 G17
PRECIP AMOUNT 0.14 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1870 2290
MIXING HGT(FT-AGL/MSL)6140 7500
TRANSPORT WND (MPH) W 31 W 18
VENT RATE (KT-FT) 165780 120000
CATEGORY DAY 5 5
INVERSION 70F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 101 VERY GOOD31 FAIR 61 GOOD
MAX ADI LATE 141 VERY GOOD4 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-182045-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 82 (+2) 57 (-8) 77
RH % (24H TREND) 48 (-1) 97 (-1) 47
WIND 20FT/EARLY(MPH) SW 12 G31 W 6 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 12 G32 LGT/VAR W 7 G18
PRECIP AMOUNT 0.19 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1900 2280
MIXING HGT(FT-AGL/MSL)6220 7470
TRANSPORT WND (MPH) W 32 W 20
VENT RATE (KT-FT) 174160 126990
CATEGORY DAY 5 5
INVERSION 70F/8AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 97 GOOD 34 FAIR 61 GOOD
MAX ADI LATE 144 VERY GOOD4 VERY POOR 147 VERY GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-182045-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 79 (+3) 54 (-6) 74
RH % (24H TREND) 52 (0) 96 (-3) 47
WIND 20FT/EARLY(MPH) SW 14 G28 W 10 G25 W 6
WIND 20FT/LATE(MPH) W 17 G31 LGT/VAR W 11 G19
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1760 1870
MIXING HGT(FT-AGL/MSL)5790 6150
TRANSPORT WND (MPH) W 38 W 23
VENT RATE (KT-FT) 191070 123000
CATEGORY DAY 5 5
INVERSION 68F/8AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 142 VERY GOOD36 FAIR 89 GOOD
MAX ADI LATE 165 VERY GOOD5 VERY POOR 100 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-182045-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 50 0 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 78 (+3) 54 (-4) 73
RH % (24H TREND) 54 (+1) 96 (-3) 50
WIND 20FT/EARLY(MPH) SW 12 G26 W 9 G25 W 5
WIND 20FT/LATE(MPH) W 14 G29 LGT/VAR W 9 G19
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 2 0
PRECIP BEGIN 6 AM 12 PM
PRECIP END 6 PM 4 PM
MIXING HGT(M-AGL/MSL) 1760 1800
MIXING HGT(FT-AGL/MSL)5780 5910
TRANSPORT WND (MPH) W 37 W 22
VENT RATE (KT-FT) 184960 112290
CATEGORY DAY 5 5
INVERSION 66F/8AM 9PM 58F/8AM
DISPERSION 5 5
MAX ADI EARLY 140 VERY GOOD38 FAIR 93 GOOD
MAX ADI LATE 161 VERY GOOD7 POOR 114 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-182045-
FOREST-
INCLUDING THE CITY OF TIONESTA
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 0 20
CHANCE OF THUNDER (%) 20 0 20
TEMP (24H TREND) 77 (+3) 53 (-5) 72
RH % (24H TREND) 52 (+2) 95 (-3) 47
WIND 20FT/EARLY(MPH) SW 10 G26 W 8 G26 LGT/VAR
WIND 20FT/LATE(MPH) W 12 G28 LGT/VAR W 8 G20
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM 12 PM
PRECIP END 6 PM 5 PM
MIXING HGT(M-AGL/MSL) 1760 1830
MIXING HGT(FT-AGL/MSL)5770 6010
TRANSPORT WND (MPH) W 37 W 22
VENT RATE (KT-FT) 184640 114190
CATEGORY DAY 5 5
INVERSION 64F/8AM 9PM 57F/8AM
DISPERSION 5 5
MAX ADI EARLY 130 VERY GOOD37 FAIR 94 GOOD
MAX ADI LATE 164 VERY GOOD9 POOR 149 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-182045-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 80 (+2) 54 (-7) 76
RH % (24H TREND) 49 (+1) 96 (-2) 47
WIND 20FT/EARLY(MPH) SW 13 G26 W 9 G23 LGT/VAR
WIND 20FT/LATE(MPH) W 17 G28 LGT/VAR W 10
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1870 1900
MIXING HGT(FT-AGL/MSL)6140 6230
TRANSPORT WND (MPH) W 38 W 22
VENT RATE (KT-FT) 202620 118370
CATEGORY DAY 5 5
INVERSION 68F/8AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 147 VERY GOOD36 FAIR 86 GOOD
MAX ADI LATE 170 VERY GOOD5 VERY POOR 108 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-182045-
BUTLER-
INCLUDING THE CITY OF BUTLER
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 80 (+3) 54 (-6) 75
RH % (24H TREND) 50 (0) 95 (-4) 50
WIND 20FT/EARLY(MPH) SW 13 G27 W 9 G25 W 5
WIND 20FT/LATE(MPH) W 16 G30 LGT/VAR W 10 G18
PRECIP AMOUNT 0.09 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1970 1940
MIXING HGT(FT-AGL/MSL)6460 6380
TRANSPORT WND (MPH) W 38 W 21
VENT RATE (KT-FT) 213180 114840
CATEGORY DAY 5 5
INVERSION 65F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 138 VERY GOOD38 FAIR 88 GOOD
MAX ADI LATE 171 VERY GOOD5 VERY POOR 113 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-182045-
CLARION-
INCLUDING THE CITY OF CLARION
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 80 (+4) 54 (-5) 74
RH % (24H TREND) 50 (+1) 93 (-4) 47
WIND 20FT/EARLY(MPH) SW 12 G27 W 9 G26 W 5
WIND 20FT/LATE(MPH) W 14 G28 LGT/VAR W 9 G19
PRECIP AMOUNT 0.11 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1860 1960
MIXING HGT(FT-AGL/MSL)6100 6440
TRANSPORT WND (MPH) W 37 W 22
VENT RATE (KT-FT) 195200 122360
CATEGORY DAY 5 5
INVERSION 66F/8AM 9PM 58F/8AM
DISPERSION 5 5
MAX ADI EARLY 139 VERY GOOD38 FAIR 90 GOOD
MAX ADI LATE 167 VERY GOOD6 VERY POOR 113 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-182045-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 78 (+3) 54 (-5) 73
RH % (24H TREND) 51 (+2) 92 (-2) 48
WIND 20FT/EARLY(MPH) SW 13 G30 W 10 G28 W 6
WIND 20FT/LATE(MPH) W 16 G31 LGT/VAR W 10 G21
PRECIP AMOUNT 0.12 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1930 1710
MIXING HGT(FT-AGL/MSL)6320 5610
TRANSPORT WND (MPH) W 38 W 24
VENT RATE (KT-FT) 208560 117810
CATEGORY DAY 5 5
INVERSION 65F/8AM 9PM 58F/8AM
DISPERSION 5 5
MAX ADI EARLY 116 VERY GOOD41 GEN GOOD 92 GOOD
MAX ADI LATE 171 VERY GOOD7 POOR 111 VERY GOOD
MAX LVORI EARLY 5 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-182045-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 81 (+3) 55 (-7) 76
RH % (24H TREND) 47 (+2) 93 (-4) 46
WIND 20FT/EARLY(MPH) SW 12 G27 W 9 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 16 G30 LGT/VAR W 10 G18
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 2000 2020
MIXING HGT(FT-AGL/MSL)6570 6640
TRANSPORT WND (MPH) W 37 W 22
VENT RATE (KT-FT) 210240 126160
CATEGORY DAY 5 5
INVERSION 67F/7AM 9PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 143 VERY GOOD38 FAIR 86 GOOD
MAX ADI LATE 172 VERY GOOD5 VERY POOR 122 VERY GOOD
MAX LVORI EARLY 5 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-182045-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 83 (+4) 57 (-6) 77
RH % (24H TREND) 48 (+1) 92 (-3) 46
WIND 20FT/EARLY(MPH) SW 15 G29 W 11 G26 W 5
WIND 20FT/LATE(MPH) W 18 G32 LGT/VAR W 11 G19
PRECIP AMOUNT 0.09 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 2060 2150
MIXING HGT(FT-AGL/MSL)6750 7050
TRANSPORT WND (MPH) W 36 W 21
VENT RATE (KT-FT) 209250 126900
CATEGORY DAY 5 5
INVERSION 67F/6AM 9PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 117 VERY GOOD39 FAIR 80 GOOD
MAX ADI LATE 170 VERY GOOD7 POOR 98 GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-182045-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 82 (+4) 55 (-6) 76
RH % (24H TREND) 49 (0) 95 (-2) 50
WIND 20FT/EARLY(MPH) SW 14 G29 W 9 G26 W 5
WIND 20FT/LATE(MPH) W 16 G31 LGT/VAR W 10 G19
PRECIP AMOUNT 0.11 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 2000 2050
MIXING HGT(FT-AGL/MSL)6570 6740
TRANSPORT WND (MPH) W 37 W 21
VENT RATE (KT-FT) 210240 121320
CATEGORY DAY 5 5
INVERSION 65F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 113 VERY GOOD40 FAIR 85 GOOD
MAX ADI LATE 170 VERY GOOD6 VERY POOR 106 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-182045-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+3) 56 (-8) 76
RH % (24H TREND) 49 (+2) 93 (-2) 46
WIND 20FT/EARLY(MPH) SW 16 G29 W 10 G26 LGT/VAR
WIND 20FT/LATE(MPH) W 17 G32 LGT/VAR W 10 G19
PRECIP AMOUNT 0.11 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1950 2100
MIXING HGT(FT-AGL/MSL)6400 6880
TRANSPORT WND (MPH) W 36 W 20
VENT RATE (KT-FT) 198400 116960
CATEGORY DAY 5 5
INVERSION 67F/7AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 114 VERY GOOD38 FAIR 66 GOOD
MAX ADI LATE 164 VERY GOOD7 POOR 91 GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-182045-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+3) 57 (-7) 76
RH % (24H TREND) 52 (+4) 93 (-4) 48
WIND 20FT/EARLY(MPH) SW 14 G29 W 7 G24 LGT/VAR
WIND 20FT/LATE(MPH) W 14 G31 LGT/VAR W 8 G17
PRECIP AMOUNT 0.21 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1990 2320
MIXING HGT(FT-AGL/MSL)6510 7600
TRANSPORT WND (MPH) W 33 W 18
VENT RATE (KT-FT) 188790 121600
CATEGORY DAY 5 5
INVERSION 68F/8AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 96 GOOD 37 FAIR 60 GEN GOOD
MAX ADI LATE 155 VERY GOOD6 VERY POOR 146 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-182045-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 82 (+3) 56 (-7) 76
RH % (24H TREND) 49 (+3) 95 (0) 48
WIND 20FT/EARLY(MPH) SW 17 G34 W 11 G29 W 5
WIND 20FT/LATE(MPH) W 20 G36 LGT/VAR W 12 G20
PRECIP AMOUNT 0.14 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1950 1960
MIXING HGT(FT-AGL/MSL)6410 6440
TRANSPORT WND (MPH) W 35 W 20
VENT RATE (KT-FT) 192300 109480
CATEGORY DAY 5 5
INVERSION 66F/7AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 85 GOOD 36 FAIR 72 GOOD
MAX ADI LATE 165 VERY GOOD6 VERY POOR 90 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-182045-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 82 (+5) 56 (-6) 76
RH % (24H TREND) 47 (+4) 93 (0) 47
WIND 20FT/EARLY(MPH) SW 14 G36 W 10 G31 W 5
WIND 20FT/LATE(MPH) W 16 G39 LGT/VAR W 10 G20
PRECIP AMOUNT 0.17 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 12 PM
MIXING HGT(M-AGL/MSL) 1870 1960
MIXING HGT(FT-AGL/MSL)6140 6420
TRANSPORT WND (MPH) W 36 W 20
VENT RATE (KT-FT) 190340 109140
CATEGORY DAY 5 5
INVERSION 66F/6AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 62 GOOD 38 FAIR 71 GOOD
MAX ADI LATE 164 VERY GOOD8 POOR 97 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-182045-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 82 (+3) 57 (-7) 76
RH % (24H TREND) 52 (+6) 95 (+2) 49
WIND 20FT/EARLY(MPH) SW 14 G33 W 8 G27 LGT/VAR
WIND 20FT/LATE(MPH) W 15 G34 LGT/VAR W 9 G17
PRECIP AMOUNT 0.21 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 12 PM
MIXING HGT(M-AGL/MSL) 1920 2240
MIXING HGT(FT-AGL/MSL)6280 7360
TRANSPORT WND (MPH) W 32 W 18
VENT RATE (KT-FT) 175840 117760
CATEGORY DAY 5 5
INVERSION 67F/7AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 34 FAIR 61 GOOD
MAX ADI LATE 151 VERY GOOD5 VERY POOR 108 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-182045-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 80 (+4) 56 (-6) 74
RH % (24H TREND) 51 (+4) 96 (+3) 49
WIND 20FT/EARLY(MPH) SW 12 G35 W 7 G29 LGT/VAR
WIND 20FT/LATE(MPH) W 12 G38 LGT/VAR W 8 G18
PRECIP AMOUNT 0.25 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 1 PM
MIXING HGT(M-AGL/MSL) 1780 2240
MIXING HGT(FT-AGL/MSL)5840 7340
TRANSPORT WND (MPH) W 31 W 18
VENT RATE (KT-FT) 157680 117440
CATEGORY DAY 5 5
INVERSION 65F/7AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 58 GEN GOOD 35 FAIR 64 GOOD
MAX ADI LATE 146 VERY GOOD7 POOR 141 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-182045-
INDIANA-
INCLUDING THE CITY OF INDIANA
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 82 (+5) 55 (-6) 75
RH % (24H TREND) 49 (0) 94 (-1) 50
WIND 20FT/EARLY(MPH) SW 14 G31 W 10 G29 W 6
WIND 20FT/LATE(MPH) W 17 G33 LGT/VAR W 11 G21
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 1 PM
MIXING HGT(M-AGL/MSL) 1970 1910
MIXING HGT(FT-AGL/MSL)6450 6260
TRANSPORT WND (MPH) W 36 W 22
VENT RATE (KT-FT) 199950 118940
CATEGORY DAY 5 5
INVERSION 65F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 71 GOOD 40 FAIR 82 GOOD
MAX ADI LATE 169 VERY GOOD7 POOR 95 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-182045-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+5) 56 (-5) 75
RH % (24H TREND) 48 (+3) 93 (0) 49
WIND 20FT/EARLY(MPH) SW 14 G34 W 10 G29 W 6
WIND 20FT/LATE(MPH) W 17 G35 LGT/VAR W 11 G21
PRECIP AMOUNT 0.14 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 1 PM
MIXING HGT(M-AGL/MSL) 1920 1900
MIXING HGT(FT-AGL/MSL)6310 6230
TRANSPORT WND (MPH) W 36 W 22
VENT RATE (KT-FT) 195610 118370
CATEGORY DAY 5 5
INVERSION 65F/6AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 68 GOOD 40 FAIR 80 GOOD
MAX ADI LATE 170 VERY GOOD8 POOR 98 GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-182045-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 81 (+3) 56 (-6) 76
RH % (24H TREND) 47 (+2) 92 (-5) 45
WIND 20FT/EARLY(MPH) SW 13 G27 W 9 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 16 G31 LGT/VAR W 10 G18
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1990 2080
MIXING HGT(FT-AGL/MSL)6530 6810
TRANSPORT WND (MPH) W 37 W 21
VENT RATE (KT-FT) 208960 122580
CATEGORY DAY 5 5
INVERSION 67F/7AM 9PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 139 VERY GOOD39 FAIR 79 GOOD
MAX ADI LATE 172 VERY GOOD5 VERY POOR 115 VERY GOOD
MAX LVORI EARLY 5 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-182045-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 60 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 81 (+2) 57 (-7) 76
RH % (24H TREND) 46 (0) 91 (-4) 44
WIND 20FT/EARLY(MPH) SW 14 G29 W 9 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 16 G32 LGT/VAR W 10 G18
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 9 AM
MIXING HGT(M-AGL/MSL) 1950 2140
MIXING HGT(FT-AGL/MSL)6400 7010
TRANSPORT WND (MPH) W 33 W 20
VENT RATE (KT-FT) 185600 119170
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 118 VERY GOOD35 FAIR 67 GOOD
MAX ADI LATE 163 VERY GOOD6 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 4 3 5
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-182045-
OHIO-
INCLUDING THE CITY OF WHEELING
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+2) 56 (-9) 77
RH % (24H TREND) 48 (+2) 93 (-3) 44
WIND 20FT/EARLY(MPH) SW 14 G29 W 9 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 16 G32 LGT/VAR W 10 G18
PRECIP AMOUNT 0.12 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1840 2140
MIXING HGT(FT-AGL/MSL)6040 7030
TRANSPORT WND (MPH) W 36 W 18
VENT RATE (KT-FT) 187240 112480
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 112 VERY GOOD34 FAIR 64 GOOD
MAX ADI LATE 158 VERY GOOD6 VERY POOR 101 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-182045-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 83 (+4) 58 (-7) 77
RH % (24H TREND) 51 (+1) 93 (-4) 48
WIND 20FT/EARLY(MPH) SW 13 G30 W 7 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 14 G31 LGT/VAR W 8 G17
PRECIP AMOUNT 0.17 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 10 AM
MIXING HGT(M-AGL/MSL) 1860 2210
MIXING HGT(FT-AGL/MSL)6100 7260
TRANSPORT WND (MPH) W 33 W 18
VENT RATE (KT-FT) 176900 116160
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 94 GOOD 34 FAIR 60 GEN GOOD
MAX ADI LATE 150 VERY GOOD5 VERY POOR 133 VERY GOOD
MAX LVORI EARLY 5 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-182045-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+3) 58 (-6) 75
RH % (24H TREND) 55 (+2) 93 (-6) 51
WIND 20FT/EARLY(MPH) SW 12 G29 W 6 G24 LGT/VAR
WIND 20FT/LATE(MPH) W 12 G31 LGT/VAR W 7 G17
PRECIP AMOUNT 0.31 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 11 AM
MIXING HGT(M-AGL/MSL) 1990 2250
MIXING HGT(FT-AGL/MSL)6520 7390
TRANSPORT WND (MPH) W 31 W 18
VENT RATE (KT-FT) 176040 118240
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 93 GOOD 35 FAIR 52 GEN GOOD
MAX ADI LATE 145 VERY GOOD4 VERY POOR 144 VERY GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-182045-
MARION-
INCLUDING THE CITY OF FAIRMONT
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+2) 58 (-6) 75
RH % (24H TREND) 56 (+5) 95 (-3) 50
WIND 20FT/EARLY(MPH) SW 13 G28 W 7 G23 LGT/VAR
WIND 20FT/LATE(MPH) W 13 G30 LGT/VAR W 8
PRECIP AMOUNT 0.38 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 1 PM
MIXING HGT(M-AGL/MSL) 2000 2410
MIXING HGT(FT-AGL/MSL)6550 7910
TRANSPORT WND (MPH) W 30 W 18
VENT RATE (KT-FT) 170300 126560
CATEGORY DAY 5 5
INVERSION 68F/8AM 8PM 61F/8AM
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 35 FAIR 52 GEN GOOD
MAX ADI LATE 138 VERY GOOD4 VERY POOR 147 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-182045-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 81 (+2) 58 (-7) 76
RH % (24H TREND) 53 (+3) 93 (-2) 49
WIND 20FT/EARLY(MPH) SW 14 G30 W 7 G25 LGT/VAR
WIND 20FT/LATE(MPH) W 13 G33 LGT/VAR W 8
PRECIP AMOUNT 0.33 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 1 PM
MIXING HGT(M-AGL/MSL) 2020 2400
MIXING HGT(FT-AGL/MSL)6620 7860
TRANSPORT WND (MPH) W 30 W 17
VENT RATE (KT-FT) 172120 117900
CATEGORY DAY 5 5
INVERSION 69F/8AM 8PM 62F/8AM
DISPERSION 5 5
MAX ADI EARLY 66 GOOD 35 FAIR 57 GEN GOOD
MAX ADI LATE 142 VERY GOOD4 VERY POOR 143 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-182045-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 90 0 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 79 (+3) 57 (-6) 73
RH % (24H TREND) 55 (+4) 96 (+2) 49
WIND 20FT/EARLY(MPH) SW 13 G34 W 7 G27 LGT/VAR
WIND 20FT/LATE(MPH) W 11 G36 LGT/VAR W 7 G17
PRECIP AMOUNT 0.38 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 2 PM
MIXING HGT(M-AGL/MSL) 1700 2280
MIXING HGT(FT-AGL/MSL)5590 7470
TRANSPORT WND (MPH) W 30 W 17
VENT RATE (KT-FT) 145340 112050
CATEGORY DAY 5 5
INVERSION 67F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 53 GEN GOOD 33 FAIR 55 GEN GOOD
MAX ADI LATE 129 VERY GOOD5 VERY POOR 135 VERY GOOD
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 3 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-182045-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 90 30 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 79 (+2) 56 (-6) 74
RH % (24H TREND) 56 (+5) 97 (+3) 49
WIND 20FT/EARLY(MPH) SW 12 G34 W 7 G28 LGT/VAR
WIND 20FT/LATE(MPH) W 12 G38 LGT/VAR W 8 G17
PRECIP AMOUNT 0.41 0.00 0.00
PRECIP DURATION 5 1
PRECIP BEGIN 6 AM 8 PM
PRECIP END 2 PM 10 PM
MIXING HGT(M-AGL/MSL) 1650 2270
MIXING HGT(FT-AGL/MSL)5400 7450
TRANSPORT WND (MPH) W 28 W 18
VENT RATE (KT-FT) 129600 119200
CATEGORY DAY 5 5
INVERSION 67F/8AM 8PM 60F/8AM
DISPERSION 5 5
MAX ADI EARLY 55 GEN GOOD 33 FAIR 61 GOOD
MAX ADI LATE 121 VERY GOOD5 VERY POOR 145 VERY GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-182045-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 90 40 0
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 78 (+4) 57 (-4) 72
RH % (24H TREND) 58 (+5) 98 (+3) 51
WIND 20FT/EARLY(MPH) SW 13 G36 W 9 G30 LGT/VAR
WIND 20FT/LATE(MPH) W 13 G39 LGT/VAR W 9 G19
PRECIP AMOUNT 0.39 0.00 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM 8 PM
PRECIP END 3 PM 5 AM
MIXING HGT(M-AGL/MSL) 1580 2230
MIXING HGT(FT-AGL/MSL)5200 7310
TRANSPORT WND (MPH) W 29 W 20
VENT RATE (KT-FT) 130000 124270
CATEGORY DAY 5 5
INVERSION 66F/6AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 57 GEN GOOD 35 FAIR 65 GOOD
MAX ADI LATE 121 VERY GOOD9 POOR 110 VERY GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 4 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-182045-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 40 20 0
TEMP (24H TREND) 78 (+2) 58 (-3) 74
RH % (24H TREND) 61 (+13) 99 (+5) 49
WIND 20FT/EARLY(MPH) SW 14 G37 W 9 G30 LGT/VAR
WIND 20FT/LATE(MPH) W 13 G39 LGT/VAR W 9 G19
PRECIP AMOUNT 0.37 0.01 0.00
PRECIP DURATION 5 2
PRECIP BEGIN 6 AM 6 PM
PRECIP END 4 PM 5 AM
MIXING HGT(M-AGL/MSL) 1510 2190
MIXING HGT(FT-AGL/MSL)4960 7190
TRANSPORT WND (MPH) W 29 W 20
VENT RATE (KT-FT) 124000 122230
CATEGORY DAY 5 5
INVERSION 66F/8AM 8PM 59F/8AM
DISPERSION 5 5
MAX ADI EARLY 63 GOOD 32 FAIR 66 GOOD
MAX ADI LATE 110 VERY GOOD8 POOR 130 VERY GOOD
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 4 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-182045-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
102 AM EDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 40 0
CHANCE OF THUNDER (%) 40 20 0
TEMP (24H TREND) 74 (+2) 55 (-2) 70
RH % (24H TREND) 65 (+15) 99 (+7) 54
WIND 20FT/EARLY(MPH) W 14 G40 W 11 G34 W 5 G21
WIND 20FT/LATE(MPH) W 14 G41 W 6 G23 W 10 G24
PRECIP AMOUNT 0.28 0.01 0.00
PRECIP DURATION 5 2
PRECIP BEGIN 6 AM 6 PM
PRECIP END 5 PM 5 AM
MIXING HGT(M-AGL/MSL) 1330 2030
MIXING HGT(FT-AGL/MSL)4360 6680
TRANSPORT WND (MPH) W 32 W 23
VENT RATE (KT-FT) 122080 133600
CATEGORY DAY 5 5
INVERSION 65F/8AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 78 GOOD 39 FAIR 71 GOOD
MAX ADI LATE 113 VERY GOOD15 GEN POOR 105 VERY GOOD
MAX LVORI EARLY 4 5 5
MAX LVORI LATE 4 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. LIGHT WINDS.
MONDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
WM
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