028
FNUS51 KPBZ 230451
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1251 AM EDT SUN AUG 23 2026
DISCUSSION
COLD ADVECTION WITHIN NORTHWEST FLOW WILL DROP AREA TEMPERATURE
AROUND 10 DEGREES BELOW SEASONAL AVERAGES WHILE CREATING AFTERNOON
WIND GUSTS ON THE ORDER OF 15 TO 25 MPH. ISOLATED POP UP SHOWERS
MAY DEVELOP THROUGH THE AFTERNOON AS WELL WITH PROBABILITIES FOR
THESE BRIEF SHOWERS FAVORING NORTHWEST PA.
HIGH PRESSURE AND DRY NORTHWEST FLOW ALOFT FAVORS LITTLE TO NO
PRECIPITATION CHANCES WITH SEASONABLY COOL TEMPERATURE MONDAY.
OHZ039-232015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-6) 53 (-6) 71
RH % (24H TREND) 58 (-11) 99 (-1) 57
WIND 20FT/EARLY(MPH) W 7 G17 W 5 W 5
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1690 1670
MIXING HGT(FT-AGL/MSL)5560 5480
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 83400 65760
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 55 GEN GOOD 9 POOR 63 GOOD
MAX ADI LATE 101 VERY GOOD7 POOR 93 GOOD
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-232015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-7) 53 (-6) 70
RH % (24H TREND) 58 (-6) 100 (0) 58
WIND 20FT/EARLY(MPH) W 8 G17 W 6 W 7
WIND 20FT/LATE(MPH) W 11 W 5 W 10
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1700 1610
MIXING HGT(FT-AGL/MSL)5560 5280
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 83400 63360
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 60 GEN GOOD 18 GEN POOR 53 GEN GOOD
MAX ADI LATE 82 GOOD 5 VERY POOR 101 VERY GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-232015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 72 (-9) 53 (-5) 70
RH % (24H TREND) 59 (0) 100 (0) 58
WIND 20FT/EARLY(MPH) W 8 G17 W 6 W 7 G17
WIND 20FT/LATE(MPH) W 11 G18 LGT/VAR W 10 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(M-AGL/MSL) 1540 1670
MIXING HGT(FT-AGL/MSL)5050 5460
TRANSPORT WND (MPH) W 18 W 15
VENT RATE (KT-FT) 80800 70980
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 65 GOOD 11 POOR 59 GEN GOOD
MAX ADI LATE 83 GOOD 6 VERY POOR 80 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-232015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-8) 52 (-6) 71
RH % (24H TREND) 60 (-3) 98 (-2) 59
WIND 20FT/EARLY(MPH) W 6 W 5 LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1720 1730
MIXING HGT(FT-AGL/MSL)5640 5670
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 78960 68040
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 56F/9AM
DISPERSION 4 4
MAX ADI EARLY 54 GEN GOOD 19 GEN POOR 68 GOOD
MAX ADI LATE 108 VERY GOOD5 VERY POOR 90 GOOD
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-232015-
HARRISON-
INCLUDING THE CITY OF CADIZ
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-8) 53 (-6) 71
RH % (24H TREND) 55 (-6) 100 (0) 56
WIND 20FT/EARLY(MPH) W 7 W 5 W 5
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1630 1680
MIXING HGT(FT-AGL/MSL)5360 5510
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 75040 66120
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 57 GEN GOOD 9 POOR 62 GOOD
MAX ADI LATE 97 GOOD 6 VERY POOR 95 GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-232015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-8) 54 (-5) 71
RH % (24H TREND) 55 (-2) 99 (-1) 55
WIND 20FT/EARLY(MPH) W 7 W 6 W 6
WIND 20FT/LATE(MPH) W 10 G18 W 5 W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1590 1710
MIXING HGT(FT-AGL/MSL)5230 5620
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 78450 67440
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 63 GOOD 10 POOR 64 GOOD
MAX ADI LATE 79 GOOD 5 VERY POOR 100 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-232015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-10) 52 (-7) 71
RH % (24H TREND) 63 (0) 97 (-3) 60
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1590 1750
MIXING HGT(FT-AGL/MSL)5220 5730
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 73080 63030
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 50 GEN GOOD 8 POOR 60 GEN GOOD
MAX ADI LATE 103 VERY GOOD5 VERY POOR 88 GOOD
MAX LVORI EARLY 8 7 6
MAX LVORI LATE 3 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-232015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-8) 53 (-6) 71
RH % (24H TREND) 58 (-9) 99 (-1) 57
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1640 1720
MIXING HGT(FT-AGL/MSL)5380 5640
TRANSPORT WND (MPH) W 15 W 14
VENT RATE (KT-FT) 69940 67680
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 51 GEN GOOD 8 POOR 62 GOOD
MAX ADI LATE 106 VERY GOOD5 VERY POOR 88 GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-232015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 54 (-6) 71
RH % (24H TREND) 57 (-3) 100 (0) 55
WIND 20FT/EARLY(MPH) W 7 W 5 W 5
WIND 20FT/LATE(MPH) W 9 G17 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1590 1700
MIXING HGT(FT-AGL/MSL)5230 5560
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 73220 66720
CATEGORY DAY 4 4
INVERSION 62F/9AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 51 GEN GOOD 9 POOR 62 GOOD
MAX ADI LATE 106 VERY GOOD6 VERY POOR 90 GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-232015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 53 (-7) 71
RH % (24H TREND) 58 (-6) 100 (0) 57
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1560 1780
MIXING HGT(FT-AGL/MSL)5130 5820
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 71820 64020
CATEGORY DAY 4 4
INVERSION 62F/9AM 7PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 6 VERY POOR 59 GEN GOOD
MAX ADI LATE 100 GOOD 5 VERY POOR 84 GOOD
MAX LVORI EARLY 8 9 7
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-232015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-11) 54 (-6) 72
RH % (24H TREND) 56 (-1) 100 (0) 55
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1590 1740
MIXING HGT(FT-AGL/MSL)5210 5710
TRANSPORT WND (MPH) W 15 W 13
VENT RATE (KT-FT) 67730 62810
CATEGORY DAY 4 4
INVERSION 63F/9AM 7PM 59F/9AM
DISPERSION 4 4
MAX ADI EARLY 48 GEN GOOD 6 VERY POOR 61 GOOD
MAX ADI LATE 103 VERY GOOD4 VERY POOR 87 GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-232015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 70 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 72 (-8) 52 (-6) 70
RH % (24H TREND) 64 (+9) 100 (0) 63
WIND 20FT/EARLY(MPH) W 9 W 6 W 8 G17
WIND 20FT/LATE(MPH) W 12 G19 LGT/VAR W 11 G19
PRECIP AMOUNT 0.09 0.11 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1580 1700
MIXING HGT(FT-AGL/MSL)5190 5560
TRANSPORT WND (MPH) W 18 W 17
VENT RATE (KT-FT) 83040 83400
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 19 GEN POOR 59 GEN GOOD
MAX ADI LATE 66 GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-232015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 70 (-10) 51 (-6) 67
RH % (24H TREND) 72 (+15) 100 (0) 75
WIND 20FT/EARLY(MPH) W 8 W 5 W 7 G17
WIND 20FT/LATE(MPH) W 9 G17 LGT/VAR W 9 G18
PRECIP AMOUNT 0.05 0.09 0.00
PRECIP DURATION 4 4
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1470 1510
MIXING HGT(FT-AGL/MSL)4820 4940
TRANSPORT WND (MPH) W 17 W 17
VENT RATE (KT-FT) 72300 74100
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 49 GEN GOOD 19 GEN POOR 56 GEN GOOD
MAX ADI LATE 70 GOOD 6 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-232015-
FOREST-
INCLUDING THE CITY OF TIONESTA
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 80 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 70 (-9) 50 (-7) 66
RH % (24H TREND) 68 (+13) 100 (0) 73
WIND 20FT/EARLY(MPH) W 6 G17 LGT/VAR W 5 G17
WIND 20FT/LATE(MPH) W 7 G17 LGT/VAR W 7 G18
PRECIP AMOUNT 0.03 0.06 0.00
PRECIP DURATION 4 4
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1350 1370
MIXING HGT(FT-AGL/MSL)4440 4500
TRANSPORT WND (MPH) W 17 W 16
VENT RATE (KT-FT) 66600 63000
CATEGORY DAY 4 4
INVERSION 59F/8AM 8PM 54F/8AM
DISPERSION 4 4
MAX ADI EARLY 48 GEN GOOD 10 POOR 53 GEN GOOD
MAX ADI LATE 61 GOOD 5 VERY POOR 61 GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-232015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 73 (-9) 52 (-6) 71
RH % (24H TREND) 61 (+5) 100 (0) 60
WIND 20FT/EARLY(MPH) W 8 W 5 W 6
WIND 20FT/LATE(MPH) W 10 LGT/VAR W 10 G17
PRECIP AMOUNT 0.02 0.02 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1610 1680
MIXING HGT(FT-AGL/MSL)5290 5510
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 84640 77140
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 52 GEN GOOD 21 FAIR 70 GOOD
MAX ADI LATE 81 GOOD 8 POOR 100 GOOD
MAX LVORI EARLY 8 7 9
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-232015-
BUTLER-
INCLUDING THE CITY OF BUTLER
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 73 (-8) 52 (-5) 70
RH % (24H TREND) 65 (+7) 100 (0) 65
WIND 20FT/EARLY(MPH) W 8 W 5 W 7
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 10 G17
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1590 1570
MIXING HGT(FT-AGL/MSL)5220 5140
TRANSPORT WND (MPH) W 17 W 15
VENT RATE (KT-FT) 78300 66820
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 18 GEN POOR 65 GOOD
MAX ADI LATE 81 GOOD 7 POOR 71 GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-232015-
CLARION-
INCLUDING THE CITY OF CLARION
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 60 0
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 71 (-8) 52 (-6) 68
RH % (24H TREND) 67 (+8) 100 (0) 69
WIND 20FT/EARLY(MPH) W 7 LGT/VAR W 6 G17
WIND 20FT/LATE(MPH) W 9 G17 LGT/VAR W 9 G18
PRECIP AMOUNT 0.05 0.04 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1450 1400
MIXING HGT(FT-AGL/MSL)4750 4600
TRANSPORT WND (MPH) W 17 W 16
VENT RATE (KT-FT) 71250 64400
CATEGORY DAY 4 4
INVERSION 61F/9AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 50 GEN GOOD 20 GEN POOR 55 GEN GOOD
MAX ADI LATE 69 GOOD 6 VERY POOR 63 GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-232015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 69 (-10) 51 (-7) 66
RH % (24H TREND) 70 (+15) 100 (0) 72
WIND 20FT/EARLY(MPH) W 8 G17 W 5 W 7 G17
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 10 G19
PRECIP AMOUNT 0.04 0.03 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1410 1270
MIXING HGT(FT-AGL/MSL)4630 4160
TRANSPORT WND (MPH) W 18 W 15
VENT RATE (KT-FT) 74080 54080
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 54F/8AM
DISPERSION 4 4
MAX ADI EARLY 49 GEN GOOD 19 GEN POOR 53 GEN GOOD
MAX ADI LATE 60 GEN GOOD 7 POOR 49 GEN GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-232015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 73 (-10) 54 (-5) 71
RH % (24H TREND) 59 (+5) 99 (-1) 58
WIND 20FT/EARLY(MPH) W 7 W 5 W 6
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT(M-AGL/MSL) 1570 1730
MIXING HGT(FT-AGL/MSL)5160 5670
TRANSPORT WND (MPH) W 18 W 15
VENT RATE (KT-FT) 82560 73710
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 59 GEN GOOD 11 POOR 67 GOOD
MAX ADI LATE 91 GOOD 5 VERY POOR 99 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-232015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-9) 55 (-5) 71
RH % (24H TREND) 58 (+2) 100 (0) 58
WIND 20FT/EARLY(MPH) W 9 W 7 W 7
WIND 20FT/LATE(MPH) W 12 G19 W 5 W 11
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 7 PM
PRECIP END 2 AM
MIXING HGT(M-AGL/MSL) 1610 1880
MIXING HGT(FT-AGL/MSL)5290 6160
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 79350 73920
CATEGORY DAY 4 4
INVERSION 62F/8AM 8PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 42 GEN GOOD 12 POOR 54 GEN GOOD
MAX ADI LATE 78 GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-232015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 74 (-7) 53 (-6) 71
RH % (24H TREND) 67 (+9) 100 (0) 65
WIND 20FT/EARLY(MPH) W 8 W 5 W 6
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 10 G17
PRECIP AMOUNT 0.01 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1550 1530
MIXING HGT(FT-AGL/MSL)5090 5020
TRANSPORT WND (MPH) W 17 W 15
VENT RATE (KT-FT) 76350 65260
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 21 FAIR 60 GEN GOOD
MAX ADI LATE 76 GOOD 6 VERY POOR 67 GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-232015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-10) 54 (-5) 70
RH % (24H TREND) 60 (+2) 100 (+1) 58
WIND 20FT/EARLY(MPH) W 8 G17 W 6 W 7
WIND 20FT/LATE(MPH) W 11 W 5 W 10
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1550 1770
MIXING HGT(FT-AGL/MSL)5080 5800
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 76200 69600
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 52 GEN GOOD 10 POOR 56 GEN GOOD
MAX ADI LATE 78 GOOD 6 VERY POOR 68 GOOD
MAX LVORI EARLY 7 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-232015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 55 (-5) 70
RH % (24H TREND) 60 (+4) 100 (0) 57
WIND 20FT/EARLY(MPH) W 7 W 5 W 5
WIND 20FT/LATE(MPH) W 9 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1570 1780
MIXING HGT(FT-AGL/MSL)5170 5840
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 77550 64240
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 59F/9AM
DISPERSION 4 4
MAX ADI EARLY 54 GEN GOOD 10 POOR 69 GOOD
MAX ADI LATE 108 VERY GOOD5 VERY POOR 98 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-232015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 30 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 73 (-10) 54 (-5) 71
RH % (24H TREND) 62 (+5) 100 (0) 60
WIND 20FT/EARLY(MPH) W 9 W 7 W 8
WIND 20FT/LATE(MPH) W 12 SW 5 W 12
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 8 AM 9 PM
PRECIP END 5 PM 2 AM
MIXING HGT(M-AGL/MSL) 1540 1740
MIXING HGT(FT-AGL/MSL)5060 5690
TRANSPORT WND (MPH) W 17 W 15
VENT RATE (KT-FT) 75900 73970
CATEGORY DAY 4 4
INVERSION 62F/8AM 8PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 20 GEN POOR 55 GEN GOOD
MAX ADI LATE 76 GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-232015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 40 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 72 (-9) 52 (-6) 69
RH % (24H TREND) 63 (+7) 100 (0) 59
WIND 20FT/EARLY(MPH) W 9 G18 W 6 G17 W 7 G17
WIND 20FT/LATE(MPH) W 10 G18 SW 5 W 11 G20
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 8 AM 9 PM
PRECIP END 6 PM 4 AM
MIXING HGT(M-AGL/MSL) 1430 1650
MIXING HGT(FT-AGL/MSL)4710 5430
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 75360 76020
CATEGORY DAY 4 4
INVERSION 60F/8AM 7PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 20 GEN POOR 52 GEN GOOD
MAX ADI LATE 77 GOOD 8 POOR 69 GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-232015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-10) 54 (-6) 70
RH % (24H TREND) 61 (+6) 100 (0) 58
WIND 20FT/EARLY(MPH) W 7 W 5 SW 6
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 9 PM
PRECIP END 2 AM
MIXING HGT(M-AGL/MSL) 1600 1770
MIXING HGT(FT-AGL/MSL)5260 5820
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 78900 69840
CATEGORY DAY 4 4
INVERSION 62F/8AM 7PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 48 GEN GOOD 9 POOR 64 GOOD
MAX ADI LATE 80 GOOD 6 VERY POOR 86 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-232015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 30 0
CHANCE OF THUNDER (%) 10 0 0
TEMP (24H TREND) 71 (-9) 52 (-6) 69
RH % (24H TREND) 60 (+1) 100 (0) 56
WIND 20FT/EARLY(MPH) W 7 LGT/VAR W 5
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR W 8 G17
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 8 AM 9 PM
PRECIP END 12 PM 3 AM
MIXING HGT(M-AGL/MSL) 1450 1670
MIXING HGT(FT-AGL/MSL)4770 5480
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 71550 65760
CATEGORY DAY 4 4
INVERSION 59F/8AM 7PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 48 GEN GOOD 8 POOR 64 GOOD
MAX ADI LATE 107 VERY GOOD7 POOR 99 GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-232015-
INDIANA-
INCLUDING THE CITY OF INDIANA
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 72 (-8) 53 (-6) 69
RH % (24H TREND) 68 (+11) 100 (0) 64
WIND 20FT/EARLY(MPH) W 9 G17 W 5 W 7 G17
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 11 G19
PRECIP AMOUNT 0.02 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1500 1560
MIXING HGT(FT-AGL/MSL)4930 5130
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 78880 71820
CATEGORY DAY 4 4
INVERSION 61F/8AM 7PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 21 FAIR 44 GEN GOOD
MAX ADI LATE 64 GOOD 7 POOR 64 GOOD
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-232015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 71 (-9) 53 (-5) 68
RH % (24H TREND) 68 (+11) 100 (0) 64
WIND 20FT/EARLY(MPH) W 9 G18 W 6 G17 W 7 G18
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 11 G20
PRECIP AMOUNT 0.04 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1450 1590
MIXING HGT(FT-AGL/MSL)4750 5230
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 76000 73220
CATEGORY DAY 4 4
INVERSION 61F/8AM 7PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 42 GEN GOOD 21 FAIR 54 GEN GOOD
MAX ADI LATE 60 GEN GOOD 8 POOR 65 GOOD
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-232015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 54 (-5) 70
RH % (24H TREND) 57 (+2) 98 (-1) 57
WIND 20FT/EARLY(MPH) W 7 G17 W 5 W 5
WIND 20FT/LATE(MPH) W 10 G18 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 11 PM
PRECIP END 1 AM
MIXING HGT(M-AGL/MSL) 1620 1720
MIXING HGT(FT-AGL/MSL)5330 5640
TRANSPORT WND (MPH) W 18 W 14
VENT RATE (KT-FT) 85280 67680
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 69 GOOD 11 POOR 65 GOOD
MAX ADI LATE 107 VERY GOOD5 VERY POOR 96 GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-232015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 55 (-5) 71
RH % (24H TREND) 55 (-1) 98 (-1) 55
WIND 20FT/EARLY(MPH) W 7 W 6 W 5
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1570 1730
MIXING HGT(FT-AGL/MSL)5150 5680
TRANSPORT WND (MPH) W 16 W 14
VENT RATE (KT-FT) 72100 68160
CATEGORY DAY 4 4
INVERSION 61F/8AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 63 GOOD 10 POOR 60 GEN GOOD
MAX ADI LATE 76 GOOD 6 VERY POOR 92 GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-232015-
OHIO-
INCLUDING THE CITY OF WHEELING
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 55 (-5) 70
RH % (24H TREND) 58 (+2) 100 (0) 58
WIND 20FT/EARLY(MPH) W 7 W 6 W 5
WIND 20FT/LATE(MPH) W 10 G17 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1610 1720
MIXING HGT(FT-AGL/MSL)5300 5630
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 74200 61930
CATEGORY DAY 4 4
INVERSION 62F/9AM 8PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 60 GEN GOOD 9 POOR 63 GOOD
MAX ADI LATE 85 GOOD 6 VERY POOR 96 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-232015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-8) 55 (-6) 72
RH % (24H TREND) 59 (+1) 100 (0) 58
WIND 20FT/EARLY(MPH) W 6 W 5 LGT/VAR
WIND 20FT/LATE(MPH) W 9 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1570 1740
MIXING HGT(FT-AGL/MSL)5160 5700
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 72240 62700
CATEGORY DAY 4 4
INVERSION 62F/9AM 7PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 54 GEN GOOD 8 POOR 65 GOOD
MAX ADI LATE 103 VERY GOOD5 VERY POOR 91 GOOD
MAX LVORI EARLY 9 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-232015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-10) 55 (-7) 70
RH % (24H TREND) 60 (+3) 100 (0) 59
WIND 20FT/EARLY(MPH) W 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1550 1770
MIXING HGT(FT-AGL/MSL)5100 5820
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 71400 64020
CATEGORY DAY 4 4
INVERSION 63F/9AM 7PM 58F/9AM
DISPERSION 4 4
MAX ADI EARLY 46 GEN GOOD 6 VERY POOR 63 GOOD
MAX ADI LATE 105 VERY GOOD4 VERY POOR 92 GOOD
MAX LVORI EARLY 9 6 8
MAX LVORI LATE 3 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-232015-
MARION-
INCLUDING THE CITY OF FAIRMONT
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-11) 55 (-5) 70
RH % (24H TREND) 61 (+7) 100 (0) 59
WIND 20FT/EARLY(MPH) W 6 LGT/VAR W 5
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1560 1780
MIXING HGT(FT-AGL/MSL)5100 5850
TRANSPORT WND (MPH) W 16 W 13
VENT RATE (KT-FT) 71400 64350
CATEGORY DAY 4 4
INVERSION 62F/8AM 7PM 59F/9AM
DISPERSION 4 4
MAX ADI EARLY 49 GEN GOOD 9 POOR 63 GOOD
MAX ADI LATE 111 VERY GOOD5 VERY POOR 96 GOOD
MAX LVORI EARLY 9 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-232015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-9) 55 (-6) 70
RH % (24H TREND) 59 (+4) 100 (0) 57
WIND 20FT/EARLY(MPH) W 6 LGT/VAR W 5
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1590 1810
MIXING HGT(FT-AGL/MSL)5220 5930
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 78300 65230
CATEGORY DAY 4 4
INVERSION 62F/8AM 7PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 51 GEN GOOD 9 POOR 63 GOOD
MAX ADI LATE 112 VERY GOOD5 VERY POOR 101 VERY GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-232015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (-10) 53 (-6) 68
RH % (24H TREND) 62 (+5) 100 (0) 58
WIND 20FT/EARLY(MPH) W 6 LGT/VAR W 5
WIND 20FT/LATE(MPH) W 7 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 11 PM
PRECIP END 2 AM
MIXING HGT(M-AGL/MSL) 1460 1720
MIXING HGT(FT-AGL/MSL)4800 5650
TRANSPORT WND (MPH) W 17 W 13
VENT RATE (KT-FT) 72000 62150
CATEGORY DAY 4 4
INVERSION 60F/8AM 7PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 43 GEN GOOD 6 VERY POOR 60 GEN GOOD
MAX ADI LATE 111 VERY GOOD6 VERY POOR 99 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-232015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-10) 52 (-7) 69
RH % (24H TREND) 60 (+6) 100 (0) 55
WIND 20FT/EARLY(MPH) W 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 8 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 10 PM
PRECIP END 3 AM
MIXING HGT(M-AGL/MSL) 1420 1680
MIXING HGT(FT-AGL/MSL)4660 5500
TRANSPORT WND (MPH) W 17 W 14
VENT RATE (KT-FT) 69900 66000
CATEGORY DAY 4 4
INVERSION 60F/8AM 7PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 9 POOR 67 GOOD
MAX ADI LATE 114 VERY GOOD5 VERY POOR 100 GOOD
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 3 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-232015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (-8) 53 (-5) 68
RH % (24H TREND) 62 (+4) 100 (0) 57
WIND 20FT/EARLY(MPH) W 8 G17 W 5 W 6 G17
WIND 20FT/LATE(MPH) W 9 G17 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM 10 PM
PRECIP END 2 PM 4 AM
MIXING HGT(M-AGL/MSL) 1410 1620
MIXING HGT(FT-AGL/MSL)4620 5300
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 73920 74200
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 52 GEN GOOD 10 POOR 76 GOOD
MAX ADI LATE 115 VERY GOOD8 POOR 101 VERY GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-232015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-10) 54 (-6) 70
RH % (24H TREND) 57 (+4) 100 (+1) 52
WIND 20FT/EARLY(MPH) W 6 G17 LGT/VAR W 5
WIND 20FT/LATE(MPH) W 8 G17 LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 AM 11 PM
PRECIP END 2 PM 6 AM
MIXING HGT(M-AGL/MSL) 1380 1620
MIXING HGT(FT-AGL/MSL)4530 5320
TRANSPORT WND (MPH) W 18 W 16
VENT RATE (KT-FT) 72480 74480
CATEGORY DAY 4 4
INVERSION 60F/8AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 59 GEN GOOD 9 POOR 78 GOOD
MAX ADI LATE 107 VERY GOOD5 VERY POOR 99 GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-232015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1251 AM EDT SUN AUG 23 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 68 (-8) 48 (-8) 66
RH % (24H TREND) 64 (+9) 100 (0) 57
WIND 20FT/EARLY(MPH) W 9 G24 W 5 G22 W 7 G23
WIND 20FT/LATE(MPH) W 9 G23 LGT/VAR W 9 G23
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0 0
PRECIP BEGIN 6 AM 11 PM
PRECIP END 2 PM 6 AM
MIXING HGT(M-AGL/MSL) 1250 1420
MIXING HGT(FT-AGL/MSL)4110 4670
TRANSPORT WND (MPH) W 20 W 20
VENT RATE (KT-FT) 69870 79390
CATEGORY DAY 4 4
INVERSION 57F/8AM 8PM 53F/8AM
DISPERSION 4 4
MAX ADI EARLY 65 GOOD 12 POOR 83 GOOD
MAX ADI LATE 106 VERY GOOD11 POOR 101 VERY 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.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
70S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 60.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND
80. NORTHWEST WINDS AROUND 5 MPH.
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