842
FNUS51 KPBZ 211633
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1233 PM EDT FRI AUG 21 2026
DISCUSSION
DRY WEATHER CONTINUES THROUGH TONIGHT BEFORE ANOTHER ROUND OF
SHOWERS AND THUNDERSTORMS CROSS THE REGION SATURDAY INTO SUNDAY
MORNING AHEAD OF AN APPROACHING COLD FRONT. THE FRONTAL PASSAGE
WILL USHER IN SEASONABLY COOL TEMPERATURES SUNDAY/MONDAY, AS WELL
AS A LOW CHANCE FOR A FEW POST-FRONTAL SHOWERS MAINLY ALONG THE
RIDGES AND NORTH OF PITTSBURGH.
OHZ039-220830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 60 20
CHANCE OF THUNDER (%) 0 50 40 20
TEMP (24H TREND) 58 (-1) 80 (0) 58 74
RH % (24H TREND) 98 (0) 65 (+7) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.11 0.15 0.00
PRECIP DURATION 1 2 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 1 AM 6 PM
MIXING HGT(M-AGL/MSL) 1330 1640
MIXING HGT(FT-AGL/MSL) 4370 5370
TRANSPORT WND (MPH) SW 12 W 16
VENT RATE (KT-FT) 43700 75180
CATEGORY DAY 3 4
INVERSION 8PM 70F/10AM 8PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 21 FAIR 10 POOR 38 FAIR
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 7 POOR 88 GOOD
MAX LVORI EARLY 6 8 8 8
MAX LVORI LATE 7 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-220830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 60 20
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 58 (0) 80 (+1) 58 73
RH % (24H TREND) 96 (-2) 63 (+8) 100 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 W 8
WIND 20FT/LATE(MPH) LGT/VAR SW 6 W 5 W 11
PRECIP AMOUNT 0.00 0.11 0.18 0.01
PRECIP DURATION 2 2 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 1 AM 6 PM
MIXING HGT(M-AGL/MSL) 1390 1660
MIXING HGT(FT-AGL/MSL) 4570 5450
TRANSPORT WND (MPH) SW 10 W 17
VENT RATE (KT-FT) 41130 81750
CATEGORY DAY 3 4
INVERSION 8PM 70F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 21 FAIR 12 POOR 47 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 7 POOR 73 GOOD
MAX LVORI EARLY 5 7 9 8
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-220830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 30
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 57 (0) 81 (+2) 58 73
RH % (24H TREND) 93 (-5) 61 (+8) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 10 G17
PRECIP AMOUNT 0.00 0.08 0.28 0.00
PRECIP DURATION 1 3 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 1 AM 6 PM
MIXING HGT(M-AGL/MSL) 1420 1640
MIXING HGT(FT-AGL/MSL) 4660 5380
TRANSPORT WND (MPH) SW 9 W 17
VENT RATE (KT-FT) 37280 80700
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 20 GEN POOR 8 POOR 54 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 8 POOR 65 GOOD
MAX LVORI EARLY 4 6 8 8
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-220830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 70 20
CHANCE OF THUNDER (%) 0 50 40 20
TEMP (24H TREND) 58 (-1) 79 (0) 57 73
RH % (24H TREND) 100 (0) 72 (+9) 100 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.10 0.07 0.00
PRECIP DURATION 2 2 0
PRECIP BEGIN 1 PM CONTINUING 2 PM
PRECIP END CONTINUING 10 PM 6 PM
MIXING HGT(M-AGL/MSL) 1380 1640
MIXING HGT(FT-AGL/MSL) 4540 5390
TRANSPORT WND (MPH) SW 12 W 15
VENT RATE (KT-FT) 45400 70070
CATEGORY DAY 3 4
INVERSION 8PM 70F/10AM 7PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 19 GEN POOR 8 POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 50 GEN GOOD 5 VERY POOR 90 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 9 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-220830-
HARRISON-
INCLUDING THE CITY OF CADIZ
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 20
CHANCE OF THUNDER (%) 0 40 40 20
TEMP (24H TREND) 58 (-1) 81 (+2) 58 74
RH % (24H TREND) 100 (0) 63 (+6) 100 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 9
PRECIP AMOUNT 0.00 0.06 0.14 0.00
PRECIP DURATION 1 2 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 1 AM 6 PM
MIXING HGT(M-AGL/MSL) 1350 1640
MIXING HGT(FT-AGL/MSL) 4420 5380
TRANSPORT WND (MPH) SW 10 W 16
VENT RATE (KT-FT) 39780 75320
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 19 GEN POOR 7 POOR 42 GEN GOOD
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 6 VERY POOR 88 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 8 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-220830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70 20
CHANCE OF THUNDER (%) 0 40 50 20
TEMP (24H TREND) 58 (-1) 81 (+2) 58 74
RH % (24H TREND) 98 (-2) 61 (+7) 100 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 9
PRECIP AMOUNT 0.00 0.05 0.18 0.01
PRECIP DURATION 1 3 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1380 1670
MIXING HGT(FT-AGL/MSL) 4520 5470
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 36160 76580
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 20 GEN POOR 7 POOR 48 GEN GOOD
MAX ADI LATE 3 VERY POOR 41 GEN GOOD 8 POOR 90 GOOD
MAX LVORI EARLY 5 8 8 9
MAX LVORI LATE 7 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-220830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 60 70 0
CHANCE OF THUNDER (%) 0 50 40 0
TEMP (24H TREND) 59 (-1) 79 (0) 58 73
RH % (24H TREND) 100 (0) 71 (+7) 100 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.07 0.05 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 1380 1550
MIXING HGT(FT-AGL/MSL) 4530 5070
TRANSPORT WND (MPH) SW 10 W 14
VENT RATE (KT-FT) 40770 60840
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 16 GEN POOR 8 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 5 VERY POOR 77 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 10 4 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-220830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 70 60 0
CHANCE OF THUNDER (%) 0 50 40 0
TEMP (24H TREND) 59 (-1) 80 (0) 58 74
RH % (24H TREND) 100 (0) 66 (+6) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.10 0.11 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 1410 1600
MIXING HGT(FT-AGL/MSL) 4610 5260
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 41490 68380
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 62F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 17 GEN POOR 7 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 42 GEN GOOD 5 VERY POOR 87 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 9 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-220830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 20
CHANCE OF THUNDER (%) 0 40 50 20
TEMP (24H TREND) 59 (-1) 81 (+1) 59 74
RH % (24H TREND) 100 (0) 64 (+6) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 9
PRECIP AMOUNT 0.00 0.06 0.14 0.01
PRECIP DURATION 1 2 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 1 AM 6 PM
MIXING HGT(M-AGL/MSL) 1380 1530
MIXING HGT(FT-AGL/MSL) 4540 5020
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 36320 65260
CATEGORY DAY 3 4
INVERSION 7PM 72F/10AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 19 GEN POOR 6 VERY POOR 38 FAIR
MAX ADI LATE 3 VERY POOR 41 GEN GOOD 7 POOR 77 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-220830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 60 70 0
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 60 (-1) 81 (+1) 59 74
RH % (24H TREND) 100 (0) 67 (+7) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.08 0.08 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1430 1410
MIXING HGT(FT-AGL/MSL) 4680 4620
TRANSPORT WND (MPH) SW 9 W 13
VENT RATE (KT-FT) 37440 50820
CATEGORY DAY 3 4
INVERSION 7PM 72F/10AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 16 GEN POOR 6 VERY POOR 32 FAIR
MAX ADI LATE 3 VERY POOR 42 GEN GOOD 6 VERY POOR 68 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 9 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-220830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 50 70 0
CHANCE OF THUNDER (%) 0 40 50 0
TEMP (24H TREND) 60 (-2) 81 (+1) 59 74
RH % (24H TREND) 100 (0) 65 (+7) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.05 0.11 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 1400 1330
MIXING HGT(FT-AGL/MSL) 4600 4370
TRANSPORT WND (MPH) SW 10 W 13
VENT RATE (KT-FT) 41400 48070
CATEGORY DAY 3 3
INVERSION 7PM 72F/10AM 7PM 63F/9AM
DISPERSION 3 3
MAX ADI EARLY 3 VERY POOR 17 GEN POOR 5 VERY POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 5 VERY POOR 63 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 10 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-220830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 70
CHANCE OF THUNDER (%) 0 40 60 30
TEMP (24H TREND) 56 (0) 81 (+2) 58 73
RH % (24H TREND) 90 (-9) 57 (+10) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 8
WIND 20FT/LATE(MPH) LGT/VAR S 6 SW 5 W 11
PRECIP AMOUNT 0.00 0.05 0.36 0.05
PRECIP DURATION 1 5 8
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1450 1640
MIXING HGT(FT-AGL/MSL) 4760 5390
TRANSPORT WND (MPH) S 12 W 17
VENT RATE (KT-FT) 47600 80850
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 9 POOR 38 FAIR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 7 POOR 52 GEN GOOD
MAX LVORI EARLY 4 5 8 8
MAX LVORI LATE 5 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-220830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 90 80
CHANCE OF THUNDER (%) 0 30 60 30
TEMP (24H TREND) 55 (+1) 80 (+2) 58 70
RH % (24H TREND) 91 (-8) 65 (+16) 100 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.05 0.42 0.05
PRECIP DURATION 1 5 9
PRECIP BEGIN 2 PM CONTINUING 6 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1350 1510
MIXING HGT(FT-AGL/MSL) 4430 4950
TRANSPORT WND (MPH) S 12 W 16
VENT RATE (KT-FT) 44300 69300
CATEGORY DAY 3 4
INVERSION 7PM 62F/9AM 7PM 59F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 30 FAIR 7 POOR 42 GEN GOOD
MAX ADI LATE 4 VERY POOR 60 GEN GOOD 7 POOR 65 GOOD
MAX LVORI EARLY 5 5 9 8
MAX LVORI LATE 6 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-220830-
FOREST-
INCLUDING THE CITY OF TIONESTA
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 90 80
CHANCE OF THUNDER (%) 0 40 50 30
TEMP (24H TREND) 53 (0) 79 (+1) 57 70
RH % (24H TREND) 90 (-7) 62 (+18) 100 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.06 0.45 0.07
PRECIP DURATION 1 6 9
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 1310
MIXING HGT(FT-AGL/MSL) 3890 4290
TRANSPORT WND (MPH) S 13 W 15
VENT RATE (KT-FT) 42790 55770
CATEGORY DAY 3 4
INVERSION 7PM 62F/9AM 7PM 59F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 34 FAIR 7 POOR 42 GEN GOOD
MAX ADI LATE 4 VERY POOR 59 GEN GOOD 6 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 5 5 9 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-220830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70 50
CHANCE OF THUNDER (%) 0 40 60 30
TEMP (24H TREND) 56 (0) 82 (+3) 58 73
RH % (24H TREND) 93 (-6) 59 (+9) 100 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.04 0.29 0.01
PRECIP DURATION 1 4 2
PRECIP BEGIN 2 PM CONTINUING 7 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1690
MIXING HGT(FT-AGL/MSL) 4530 5530
TRANSPORT WND (MPH) SW 10 W 17
VENT RATE (KT-FT) 40770 82950
CATEGORY DAY 3 4
INVERSION 7PM 65F/9AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 18 GEN POOR 7 POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 7 POOR 68 GOOD
MAX LVORI EARLY 5 6 9 8
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-220830-
BUTLER-
INCLUDING THE CITY OF BUTLER
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80 60
CHANCE OF THUNDER (%) 0 30 60 30
TEMP (24H TREND) 56 (0) 81 (+2) 57 73
RH % (24H TREND) 96 (-3) 65 (+13) 100 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.04 0.33 0.01
PRECIP DURATION 1 5 4
PRECIP BEGIN 2 PM CONTINUING 7 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1380 1680
MIXING HGT(FT-AGL/MSL) 4520 5530
TRANSPORT WND (MPH) S 10 W 16
VENT RATE (KT-FT) 40680 77420
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 25 FAIR 6 VERY POOR 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 7 POOR 65 GOOD
MAX LVORI EARLY 6 6 9 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-220830-
CLARION-
INCLUDING THE CITY OF CLARION
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 90 80
CHANCE OF THUNDER (%) 0 40 50 30
TEMP (24H TREND) 55 (0) 79 (+2) 58 71
RH % (24H TREND) 92 (-5) 66 (+19) 100 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.08 0.37 0.03
PRECIP DURATION 1 6 6
PRECIP BEGIN 2 PM CONTINUING 6 AM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1200 1500
MIXING HGT(FT-AGL/MSL) 3930 4940
TRANSPORT WND (MPH) S 12 W 16
VENT RATE (KT-FT) 39300 69160
CATEGORY DAY 3 4
INVERSION 7PM 67F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 33 FAIR 7 POOR 47 GEN GOOD
MAX ADI LATE 5 VERY POOR 50 GEN GOOD 7 POOR 65 GOOD
MAX LVORI EARLY 5 5 9 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-220830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 80 70
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 54 (0) 77 (+1) 58 70
RH % (24H TREND) 91 (-8) 68 (+22) 100 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SE 6 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.07 0.33 0.03
PRECIP DURATION 1 5 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160 1420
MIXING HGT(FT-AGL/MSL) 3800 4670
TRANSPORT WND (MPH) S 13 W 17
VENT RATE (KT-FT) 41800 70050
CATEGORY DAY 3 4
INVERSION 7PM 67F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 33 FAIR 8 POOR 46 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 8 POOR 63 GOOD
MAX LVORI EARLY 5 5 8 8
MAX LVORI LATE 6 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-220830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70 30
CHANCE OF THUNDER (%) 0 40 50 30
TEMP (24H TREND) 58 (0) 82 (+3) 59 74
RH % (24H TREND) 93 (-6) 60 (+10) 100 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.04 0.35 0.00
PRECIP DURATION 1 4 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1380 1720
MIXING HGT(FT-AGL/MSL) 4530 5650
TRANSPORT WND (MPH) SW 9 W 17
VENT RATE (KT-FT) 36240 84750
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 21 FAIR 6 VERY POOR 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 8 POOR 78 GOOD
MAX LVORI EARLY 4 6 8 9
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-220830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 40
CHANCE OF THUNDER (%) 0 40 50 30
TEMP (24H TREND) 59 (0) 81 (+2) 60 74
RH % (24H TREND) 95 (-4) 64 (+12) 100 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 W 7
WIND 20FT/LATE(MPH) LGT/VAR S 6 SW 6 W 11
PRECIP AMOUNT 0.00 0.05 0.31 0.01
PRECIP DURATION 1 5 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1370 1790
MIXING HGT(FT-AGL/MSL) 4510 5880
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 36080 82320
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 62F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 25 FAIR 6 VERY POOR 46 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 8 POOR 60 GEN GOOD
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-220830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 60
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 57 (+1) 81 (+3) 59 74
RH % (24H TREND) 96 (-3) 69 (+18) 100 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.08 0.41 0.01
PRECIP DURATION 1 5 4
PRECIP BEGIN 12 PM CONTINUING 7 AM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1300 1630
MIXING HGT(FT-AGL/MSL) 4260 5340
TRANSPORT WND (MPH) S 10 W 16
VENT RATE (KT-FT) 38340 74760
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 30 FAIR 7 POOR 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 7 POOR 64 GOOD
MAX LVORI EARLY 6 6 8 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-220830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 30
CHANCE OF THUNDER (%) 0 30 50 20
TEMP (24H TREND) 59 (0) 80 (+2) 59 73
RH % (24H TREND) 98 (-2) 65 (+7) 100 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 5 SW 6 W 10
PRECIP AMOUNT 0.00 0.03 0.25 0.01
PRECIP DURATION 1 4 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1300 1620
MIXING HGT(FT-AGL/MSL) 4280 5330
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 34240 69290
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 22 FAIR 6 VERY POOR 50 GEN GOOD
MAX ADI LATE 4 VERY POOR 45 GEN GOOD 9 POOR 60 GEN GOOD
MAX LVORI EARLY 5 7 8 8
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-220830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 30 50 20
TEMP (24H TREND) 60 (0) 80 (+2) 60 73
RH % (24H TREND) 100 (0) 69 (+8) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.03 0.21 0.00
PRECIP DURATION 1 4 1
PRECIP BEGIN 11 AM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1370 1540
MIXING HGT(FT-AGL/MSL) 4490 5060
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 35920 65780
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 24 FAIR 6 VERY POOR 51 GEN GOOD
MAX ADI LATE 3 VERY POOR 50 GEN GOOD 7 POOR 84 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-220830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 50
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 58 (0) 81 (+2) 60 73
RH % (24H TREND) 96 (-4) 70 (+16) 100 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 W 8
WIND 20FT/LATE(MPH) LGT/VAR S 6 SW 6 W 12
PRECIP AMOUNT 0.00 0.08 0.37 0.02
PRECIP DURATION 1 6 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1290 1680
MIXING HGT(FT-AGL/MSL) 4230 5510
TRANSPORT WND (MPH) S 9 W 16
VENT RATE (KT-FT) 33840 77140
CATEGORY DAY 3 4
INVERSION 7PM 66F/9AM 7PM 62F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 30 FAIR 7 POOR 35 FAIR
MAX ADI LATE 4 VERY POOR 42 GEN GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 6 6 8 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-220830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 80 60
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 57 (0) 80 (+3) 58 73
RH % (24H TREND) 98 (-2) 67 (+16) 100 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5 G17 W 9 G18
PRECIP AMOUNT 0.00 0.08 0.23 0.04
PRECIP DURATION 2 6 8
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1200 1570
MIXING HGT(FT-AGL/MSL) 3930 5160
TRANSPORT WND (MPH) S 10 W 17
VENT RATE (KT-FT) 35370 77400
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 31 FAIR 8 POOR 40 FAIR
MAX ADI LATE 5 VERY POOR 46 GEN GOOD 8 POOR 56 GEN GOOD
MAX LVORI EARLY 5 7 8 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-220830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 90 40
CHANCE OF THUNDER (%) 0 40 50 30
TEMP (24H TREND) 60 (+1) 80 (+1) 60 73
RH % (24H TREND) 96 (-4) 69 (+11) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5 W 9
PRECIP AMOUNT 0.00 0.04 0.22 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1270 1560
MIXING HGT(FT-AGL/MSL) 4170 5110
TRANSPORT WND (MPH) SW 9 W 14
VENT RATE (KT-FT) 33360 61320
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 62F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 27 FAIR 7 POOR 47 GEN GOOD
MAX ADI LATE 4 VERY POOR 39 FAIR 7 POOR 58 GEN GOOD
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-220830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 90 50
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 57 (0) 79 (+1) 57 72
RH % (24H TREND) 98 (-2) 65 (+12) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.04 0.19 0.02
PRECIP DURATION 1 5 2
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190 1400
MIXING HGT(FT-AGL/MSL) 3920 4610
TRANSPORT WND (MPH) S 9 W 15
VENT RATE (KT-FT) 31360 59930
CATEGORY DAY 3 4
INVERSION 7PM 68F/10AM 7PM 59F/8AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 25 FAIR 6 VERY POOR 43 GEN GOOD
MAX ADI LATE 5 VERY POOR 41 GEN GOOD 7 POOR 59 GEN GOOD
MAX LVORI EARLY 5 7 9 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-220830-
INDIANA-
INCLUDING THE CITY OF INDIANA
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 60
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 57 (+1) 79 (+2) 59 72
RH % (24H TREND) 95 (-5) 72 (+21) 100 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR S 5 SW 5 W 10 G17
PRECIP AMOUNT 0.00 0.07 0.32 0.02
PRECIP DURATION 1 6 4
PRECIP BEGIN 12 PM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1270 1640
MIXING HGT(FT-AGL/MSL) 4170 5390
TRANSPORT WND (MPH) S 12 W 17
VENT RATE (KT-FT) 41700 80850
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 33 FAIR 8 POOR 45 GEN GOOD
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 8 POOR 55 GEN GOOD
MAX LVORI EARLY 6 6 8 8
MAX LVORI LATE 6 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-220830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 60
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 57 (+1) 78 (+2) 59 70
RH % (24H TREND) 96 (-4) 73 (+23) 100 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR SE 5 SW 5 W 9 G18
PRECIP AMOUNT 0.00 0.07 0.32 0.03
PRECIP DURATION 1 6 4
PRECIP BEGIN 12 PM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1180 1620
MIXING HGT(FT-AGL/MSL) 3880 5300
TRANSPORT WND (MPH) S 12 W 17
VENT RATE (KT-FT) 38800 79500
CATEGORY DAY 3 4
INVERSION 7PM 64F/9AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 32 FAIR 8 POOR 39 FAIR
MAX ADI LATE 5 VERY POOR 51 GEN GOOD 8 POOR 64 GOOD
MAX LVORI EARLY 5 6 8 8
MAX LVORI LATE 5 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-220830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60 30
CHANCE OF THUNDER (%) 0 40 50 20
TEMP (24H TREND) 59 (0) 81 (+2) 59 73
RH % (24H TREND) 95 (-4) 61 (+9) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.03 0.27 0.01
PRECIP DURATION 1 4 1
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1420 1680
MIXING HGT(FT-AGL/MSL) 4650 5520
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 37200 77280
CATEGORY DAY 3 4
INVERSION 8PM 70F/10AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 20 GEN POOR 7 POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 7 POOR 75 GOOD
MAX LVORI EARLY 4 7 7 9
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-220830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 30 50 20
TEMP (24H TREND) 59 (-1) 81 (+2) 59 74
RH % (24H TREND) 97 (-3) 61 (+7) 100 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 9
PRECIP AMOUNT 0.00 0.03 0.18 0.01
PRECIP DURATION 1 3 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1310 1620
MIXING HGT(FT-AGL/MSL) 4310 5310
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 34480 74340
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 61F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 20 GEN POOR 6 VERY POOR 49 GEN GOOD
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 6 VERY POOR 94 GOOD
MAX LVORI EARLY 4 8 7 9
MAX LVORI LATE 6 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-220830-
OHIO-
INCLUDING THE CITY OF WHEELING
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 30 50 20
TEMP (24H TREND) 60 (0) 81 (+2) 60 74
RH % (24H TREND) 99 (-1) 64 (+5) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 5 W 9
PRECIP AMOUNT 0.00 0.03 0.21 0.01
PRECIP DURATION 1 3 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1340 1530
MIXING HGT(FT-AGL/MSL) 4390 5010
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 39510 65130
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 21 FAIR 6 VERY POOR 44 GEN GOOD
MAX ADI LATE 4 VERY POOR 48 GEN GOOD 7 POOR 85 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 8 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-220830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 30 50 20
TEMP (24H TREND) 61 (0) 82 (+3) 60 75
RH % (24H TREND) 100 (0) 68 (+8) 100 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.04 0.22 0.01
PRECIP DURATION 1 4 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1390 1500
MIXING HGT(FT-AGL/MSL) 4560 4920
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 36480 63960
CATEGORY DAY 3 4
INVERSION 7PM 72F/10AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 22 FAIR 6 VERY POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 51 GEN GOOD 6 VERY POOR 82 GOOD
MAX LVORI EARLY 5 9 9 9
MAX LVORI LATE 9 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-220830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 0 30 70 0
CHANCE OF THUNDER (%) 0 30 50 0
TEMP (24H TREND) 62 (0) 80 (+1) 60 73
RH % (24H TREND) 100 (0) 70 (+11) 100 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.02 0.16 0.00
PRECIP DURATION 1 3
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 1270 1430
MIXING HGT(FT-AGL/MSL) 4180 4680
TRANSPORT WND (MPH) SW 8 W 13
VENT RATE (KT-FT) 29260 51480
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 63F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 17 GEN POOR 6 VERY POOR 42 GEN GOOD
MAX ADI LATE 3 VERY POOR 53 GEN GOOD 6 VERY POOR 68 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-220830-
MARION-
INCLUDING THE CITY OF FAIRMONT
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 70 20
CHANCE OF THUNDER (%) 0 40 50 0
TEMP (24H TREND) 61 (0) 79 (0) 60 72
RH % (24H TREND) 100 (0) 73 (+12) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.02 0.16 0.00
PRECIP DURATION 1 3 1
PRECIP BEGIN 10 AM CONTINUING 8 AM
PRECIP END CONTINUING 4 AM 6 PM
MIXING HGT(M-AGL/MSL) 1190 1510
MIXING HGT(FT-AGL/MSL) 3910 4960
TRANSPORT WND (MPH) SW 10 W 15
VENT RATE (KT-FT) 35190 64480
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 62F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 18 GEN POOR 5 VERY POOR 42 GEN GOOD
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 6 VERY POOR 82 GOOD
MAX LVORI EARLY 6 9 9 9
MAX LVORI LATE 9 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-220830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 20
CHANCE OF THUNDER (%) 0 40 50 20
TEMP (24H TREND) 61 (0) 80 (+1) 60 73
RH % (24H TREND) 100 (0) 70 (+10) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.03 0.22 0.00
PRECIP DURATION 1 5 1
PRECIP BEGIN 10 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM 6 PM
MIXING HGT(M-AGL/MSL) 1250 1480
MIXING HGT(FT-AGL/MSL) 4090 4870
TRANSPORT WND (MPH) SW 9 W 14
VENT RATE (KT-FT) 32720 58440
CATEGORY DAY 3 4
INVERSION 7PM 71F/10AM 7PM 62F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 20 GEN POOR 6 VERY POOR 48 GEN GOOD
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 6 VERY POOR 82 GOOD
MAX LVORI EARLY 6 8 9 9
MAX LVORI LATE 7 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-220830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 30
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 59 (-1) 77 (0) 59 70
RH % (24H TREND) 99 (-1) 71 (+14) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.03 0.17 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 10 AM CONTINUING 7 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1140 1410
MIXING HGT(FT-AGL/MSL) 3740 4620
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 29920 60060
CATEGORY DAY 3 4
INVERSION 7PM 69F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 18 GEN POOR 5 VERY POOR 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 38 FAIR 6 VERY POOR 62 GOOD
MAX LVORI EARLY 6 8 9 9
MAX LVORI LATE 7 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-220830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 90 40
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 58 (-2) 78 (-1) 59 71
RH % (24H TREND) 99 (-1) 68 (+13) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.03 0.16 0.01
PRECIP DURATION 2 5 2
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210 1340
MIXING HGT(FT-AGL/MSL) 3970 4410
TRANSPORT WND (MPH) SW 9 W 15
VENT RATE (KT-FT) 31760 57330
CATEGORY DAY 3 4
INVERSION 7PM 70F/10AM 7PM 61F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 19 GEN POOR 5 VERY POOR 37 FAIR
MAX ADI LATE 4 VERY POOR 36 FAIR 6 VERY POOR 63 GOOD
MAX LVORI EARLY 6 8 9 9
MAX LVORI LATE 8 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-220830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 90 40
CHANCE OF THUNDER (%) 0 50 50 20
TEMP (24H TREND) 58 (-2) 77 (0) 58 70
RH % (24H TREND) 99 (-1) 70 (+11) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 5 W 7 G17
PRECIP AMOUNT 0.00 0.05 0.15 0.02
PRECIP DURATION 2 4 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140 1310
MIXING HGT(FT-AGL/MSL) 3750 4280
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 30000 59920
CATEGORY DAY 3 4
INVERSION 7PM 68F/10AM 7PM 60F/9AM
DISPERSION 3 4
MAX ADI EARLY 4 VERY POOR 21 FAIR 6 VERY POOR 39 FAIR
MAX ADI LATE 4 VERY POOR 40 FAIR 8 POOR 65 GOOD
MAX LVORI EARLY 5 8 9 8
MAX LVORI LATE 8 3 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-220830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 80 40
CHANCE OF THUNDER (%) 20 50 50 20
TEMP (24H TREND) 61 (-1) 79 (-1) 59 72
RH % (24H TREND) 99 (0) 66 (+10) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.07 0.15 0.01
PRECIP DURATION 1 3 4 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170 1270
MIXING HGT(FT-AGL/MSL) 3850 4170
TRANSPORT WND (MPH) SW 9 W 16
VENT RATE (KT-FT) 30800 58380
CATEGORY DAY 3 4
INVERSION 7PM 69F/10AM 7PM 60F/8AM
DISPERSION 3 4
MAX ADI EARLY 3 VERY POOR 22 FAIR 5 VERY POOR 35 FAIR
MAX ADI LATE 4 VERY POOR 42 GEN GOOD 6 VERY POOR 61 GOOD
MAX LVORI EARLY 6 9 9 8
MAX LVORI LATE 8 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-220830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1233 PM EDT FRI AUG 21 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 70 70 30
CHANCE OF THUNDER (%) 20 50 50 20
TEMP (24H TREND) 54 (-3) 75 (+1) 54 67
RH % (24H TREND) 100 (+1) 74 (+10) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6 G23
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 5 G21 W 8 G22
PRECIP AMOUNT 0.00 0.12 0.12 0.02
PRECIP DURATION 1 4 5 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1180
MIXING HGT(FT-AGL/MSL) 3380 3890
TRANSPORT WND (MPH) SW 9 W 20
VENT RATE (KT-FT) 27040 66130
CATEGORY DAY 3 4
INVERSION 8PM 62F/9AM 7PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 5 VERY POOR 22 FAIR 6 VERY POOR 43 GEN GOOD
MAX ADI LATE 5 VERY POOR 36 FAIR 10 POOR 81 GOOD
MAX LVORI EARLY 7 8 9 8
MAX LVORI LATE 9 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. PATCHY FOG THROUGH THE NIGHT. LOWS IN
THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
WEST WINDS AROUND 5 MPH.
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