278
FNUS51 KPBZ 210423
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1223 AM EDT MON SEP 21 2026
DISCUSSION
ADDITIONAL ROUNDS OF RAIN ARE EXPECTED THROUGH MID-WEEK ATOP AN
ALREADY SATURATED GROUND. ASIDE FROM THE RAIN, STIFF EASTERLY
FLOW WILL ESTABLISH WITH MUCH COOLER AIR FOR THIS WEEK.
OHZ039-212015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 40
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-11) 54 (-4) 66
RH % (24H TREND) 79 (-6) 100 (0) 81
WIND 20FT/EARLY(MPH) NE 8 G17 NE 9 G17 NE 8
WIND 20FT/LATE(MPH) NE 9 G18 NE 7 NE 10
PRECIP AMOUNT 0.71 0.05 0.04
PRECIP DURATION 9 1 1
PRECIP BEGIN 6 AM CONTINUING 1 PM
PRECIP END CONTINUING 5 AM 6 PM
MIXING HGT(M-AGL/MSL) 550 700
MIXING HGT(FT-AGL/MSL)1790 2290
TRANSPORT WND (MPH) NE 18 E 12
VENT RATE (KT-FT) 28640 22900
CATEGORY DAY 3 2
INVERSION 58F/9AM 10PM 57F/5AM
DISPERSION 3 2
MAX ADI EARLY 26 FAIR 18 GEN POOR 25 FAIR
MAX ADI LATE 32 FAIR 13 GEN POOR 28 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-212015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 60 50
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-11) 53 (-4) 65
RH % (24H TREND) 80 (-9) 100 (0) 83
WIND 20FT/EARLY(MPH) NE 9 G19 NE 10 G18 NE 9
WIND 20FT/LATE(MPH) NE 10 G18 NE 9 G17 NE 11
PRECIP AMOUNT 0.75 0.13 0.04
PRECIP DURATION 10 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 540 620
MIXING HGT(FT-AGL/MSL)1770 2050
TRANSPORT WND (MPH) E 18 E 14
VENT RATE (KT-FT) 28320 24600
CATEGORY DAY 3 2
INVERSION 57F/9AM 11PM 57F/4AM
DISPERSION 3 2
MAX ADI EARLY 28 FAIR 18 GEN POOR 26 FAIR
MAX ADI LATE 35 FAIR 14 GEN POOR 32 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 4 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-212015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 60 50
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-10) 53 (-4) 64
RH % (24H TREND) 80 (-5) 100 (+1) 83
WIND 20FT/EARLY(MPH) NE 8 G18 NE 9 G18 NE 9
WIND 20FT/LATE(MPH) E 9 G17 NE 8 G17 E 10 G18
PRECIP AMOUNT 0.63 0.12 0.08
PRECIP DURATION 10 3 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 560 630
MIXING HGT(FT-AGL/MSL)1840 2080
TRANSPORT WND (MPH) E 17 E 15
VENT RATE (KT-FT) 27600 27040
CATEGORY DAY 3 3
INVERSION 57F/9AM 9PM 56F/4AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 17 GEN POOR 27 FAIR
MAX ADI LATE 32 FAIR 15 GEN POOR 33 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 4 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-212015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 100 30 30
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-12) 53 (-6) 66
RH % (24H TREND) 83 (0) 100 (0) 84
WIND 20FT/EARLY(MPH) NE 6 NE 7 NE 7
WIND 20FT/LATE(MPH) NE 8 NE 6 NE 8
PRECIP AMOUNT 0.64 0.02 0.01
PRECIP DURATION 7 0 1
PRECIP BEGIN 6 AM CONTINUING 1 PM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 540 770
MIXING HGT(FT-AGL/MSL)1790 2530
TRANSPORT WND (MPH) NE 16 NE 12
VENT RATE (KT-FT) 25060 25300
CATEGORY DAY 2 2
INVERSION 59F/9AM 8PM 57F/4AM
DISPERSION 2 2
MAX ADI EARLY 23 FAIR 18 GEN POOR 25 FAIR
MAX ADI LATE 31 FAIR 10 POOR 27 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-212015-
HARRISON-
INCLUDING THE CITY OF CADIZ
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 50 50
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-11) 54 (-5) 66
RH % (24H TREND) 83 (-2) 100 (0) 83
WIND 20FT/EARLY(MPH) NE 8 G18 NE 9 G18 NE 8
WIND 20FT/LATE(MPH) NE 9 G18 NE 8 NE 9 G17
PRECIP AMOUNT 0.66 0.08 0.04
PRECIP DURATION 10 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 490 650
MIXING HGT(FT-AGL/MSL)1610 2130
TRANSPORT WND (MPH) E 16 E 12
VENT RATE (KT-FT) 22540 21300
CATEGORY DAY 2 2
INVERSION 59F/9AM 8PM 57F/5AM
DISPERSION 2 2
MAX ADI EARLY 24 FAIR 17 GEN POOR 23 FAIR
MAX ADI LATE 28 FAIR 13 GEN POOR 28 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-212015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 60 60
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-11) 54 (-4) 66
RH % (24H TREND) 80 (-9) 100 (0) 82
WIND 20FT/EARLY(MPH) NE 8 G18 NE 10 G18 NE 8
WIND 20FT/LATE(MPH) NE 9 G18 NE 8 NE 10 G18
PRECIP AMOUNT 0.73 0.12 0.09
PRECIP DURATION 9 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 510 600
MIXING HGT(FT-AGL/MSL)1660 1960
TRANSPORT WND (MPH) E 17 E 14
VENT RATE (KT-FT) 24900 23520
CATEGORY DAY 3 2
INVERSION 58F/8AM 9PM 58F/4AM
DISPERSION 3 2
MAX ADI EARLY 24 FAIR 17 GEN POOR 23 FAIR
MAX ADI LATE 31 FAIR 13 GEN POOR 30 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-212015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 90 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 67 (-11) 54 (-7) 67
RH % (24H TREND) 85 (+5) 100 (0) 84
WIND 20FT/EARLY(MPH) NE 5 NE 6 NE 5
WIND 20FT/LATE(MPH) NE 6 LGT/VAR NE 6
PRECIP AMOUNT 0.43 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 490 850
MIXING HGT(FT-AGL/MSL)1620 2790
TRANSPORT WND (MPH) NE 15 NE 10
VENT RATE (KT-FT) 21060 25110
CATEGORY DAY 2 3
INVERSION 61F/9AM 10PM 58F/8AM
DISPERSION 2 3
MAX ADI EARLY 20 GEN POOR 14 GEN POOR 21 FAIR
MAX ADI LATE 25 FAIR 8 POOR 24 FAIR
MAX LVORI EARLY 6 7 5
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-212015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 40
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 68 (-9) 55 (-5) 68
RH % (24H TREND) 83 (-3) 100 (0) 81
WIND 20FT/EARLY(MPH) NE 5 NE 6 NE 5
WIND 20FT/LATE(MPH) NE 6 LGT/VAR NE 7
PRECIP AMOUNT 0.55 0.05 0.01
PRECIP DURATION 7 0 1
PRECIP BEGIN 6 AM CONTINUING 1 PM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT(M-AGL/MSL) 470 680
MIXING HGT(FT-AGL/MSL)1530 2240
TRANSPORT WND (MPH) NE 15 NE 10
VENT RATE (KT-FT) 19890 20160
CATEGORY DAY 2 2
INVERSION 61F/9AM 10PM 58F/4AM
DISPERSION 2 2
MAX ADI EARLY 21 FAIR 15 GEN POOR 20 GEN POOR
MAX ADI LATE 24 FAIR 8 POOR 23 FAIR
MAX LVORI EARLY 6 8 5
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-212015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 50
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 68 (-8) 54 (-7) 68
RH % (24H TREND) 84 (-4) 100 (0) 83
WIND 20FT/EARLY(MPH) NE 7 G17 NE 8 G17 NE 7
WIND 20FT/LATE(MPH) NE 8 G17 NE 6 NE 8
PRECIP AMOUNT 0.56 0.11 0.06
PRECIP DURATION 8 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 460 640
MIXING HGT(FT-AGL/MSL)1520 2090
TRANSPORT WND (MPH) NE 15 E 12
VENT RATE (KT-FT) 19760 20900
CATEGORY DAY 2 2
INVERSION 61F/9AM 9PM 59F/8AM
DISPERSION 2 2
MAX ADI EARLY 20 GEN POOR 15 GEN POOR 20 GEN POOR
MAX ADI LATE 25 FAIR 11 POOR 25 FAIR
MAX LVORI EARLY 6 7 6
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-212015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 20 40
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 70 (-8) 56 (-7) 69
RH % (24H TREND) 86 (+1) 100 (0) 84
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR NE 5
PRECIP AMOUNT 0.41 0.09 0.01
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM CONTINUING 11 AM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 480 700
MIXING HGT(FT-AGL/MSL)1580 2290
TRANSPORT WND (MPH) NE 13 NE 9
VENT RATE (KT-FT) 17380 18320
CATEGORY DAY 2 2
INVERSION 63F/9AM 7PM 60F/5AM
DISPERSION 2 2
MAX ADI EARLY 16 GEN POOR 9 POOR 18 GEN POOR
MAX ADI LATE 20 GEN POOR 7 POOR 20 GEN POOR
MAX LVORI EARLY 7 8 6
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-212015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 40 50
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 71 (-7) 57 (-6) 70
RH % (24H TREND) 86 (-5) 100 (0) 85
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 LGT/VAR
WIND 20FT/LATE(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.33 0.40 0.04
PRECIP DURATION 6 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 480 650
MIXING HGT(FT-AGL/MSL)1570 2130
TRANSPORT WND (MPH) NE 12 E 9
VENT RATE (KT-FT) 15700 17040
CATEGORY DAY 2 2
INVERSION 64F/9AM 6PM 60F/8AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 8 POOR 17 GEN POOR
MAX ADI LATE 20 GEN POOR 7 POOR 20 GEN POOR
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-212015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-4) 50 (-5) 64
RH % (24H TREND) 70 (-16) 100 (+1) 79
WIND 20FT/EARLY(MPH) NE 10 NE 8 E 10
WIND 20FT/LATE(MPH) E 9 E 9 E 11 G19
PRECIP AMOUNT 0.10 0.05 0.05
PRECIP DURATION 2 2 1
PRECIP BEGIN 7 AM CONTINUING 11 AM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 790 700
MIXING HGT(FT-AGL/MSL)2600 2310
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 33800 30030
CATEGORY DAY 3 3
INVERSION 56F/9AM 7PM 53F/6AM
DISPERSION 3 3
MAX ADI EARLY 31 FAIR 14 GEN POOR 28 FAIR
MAX ADI LATE 32 FAIR 14 GEN POOR 35 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-212015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-4) 49 (-4) 62
RH % (24H TREND) 69 (-21) 100 (0) 81
WIND 20FT/EARLY(MPH) NE 8 E 7 E 9
WIND 20FT/LATE(MPH) E 7 E 8 E 9 G17
PRECIP AMOUNT 0.06 0.07 0.09
PRECIP DURATION 1 2 1
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 840 740
MIXING HGT(FT-AGL/MSL)2770 2430
TRANSPORT WND (MPH) E 13 E 16
VENT RATE (KT-FT) 30470 34020
CATEGORY DAY 3 3
INVERSION 54F/9AM 7PM 53F/9AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 10 POOR 26 FAIR
MAX ADI LATE 39 FAIR 13 GEN POOR 33 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-212015-
FOREST-
INCLUDING THE CITY OF TIONESTA
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 50 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-4) 46 (-6) 62
RH % (24H TREND) 62 (-26) 100 (0) 73
WIND 20FT/EARLY(MPH) NE 5 E 5 E 5
WIND 20FT/LATE(MPH) E 5 E 5 E 6
PRECIP AMOUNT 0.00 0.07 0.08
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 910 810
MIXING HGT(FT-AGL/MSL)2970 2660
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 32670 29260
CATEGORY DAY 3 3
INVERSION 53F/9AM 7PM 49F/7AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 8 POOR 26 FAIR
MAX ADI LATE 40 FAIR 9 POOR 32 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-212015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-7) 52 (-4) 64
RH % (24H TREND) 74 (-8) 100 (0) 81
WIND 20FT/EARLY(MPH) NE 8 E 8 G17 E 9 G17
WIND 20FT/LATE(MPH) E 8 E 8 G17 E 11 G19
PRECIP AMOUNT 0.33 0.09 0.13
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 700 640
MIXING HGT(FT-AGL/MSL)2280 2100
TRANSPORT WND (MPH) E 15 E 16
VENT RATE (KT-FT) 29640 29400
CATEGORY DAY 3 3
INVERSION 57F/9AM 8PM 55F/4AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 15 GEN POOR 30 FAIR
MAX ADI LATE 30 FAIR 14 GEN POOR 34 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-212015-
BUTLER-
INCLUDING THE CITY OF BUTLER
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 60 50
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 65 (-7) 50 (-5) 63
RH % (24H TREND) 80 (-6) 100 (0) 87
WIND 20FT/EARLY(MPH) E 9 G17 E 9 G19 E 10
WIND 20FT/LATE(MPH) E 9 G17 E 10 G18 E 11 G20
PRECIP AMOUNT 0.36 0.23 0.22
PRECIP DURATION 6 4 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 660 620
MIXING HGT(FT-AGL/MSL)2180 2020
TRANSPORT WND (MPH) E 15 E 16
VENT RATE (KT-FT) 28340 28280
CATEGORY DAY 3 3
INVERSION 56F/9AM 8PM 54F/4AM
DISPERSION 3 3
MAX ADI EARLY 27 FAIR 13 GEN POOR 31 FAIR
MAX ADI LATE 29 FAIR 14 GEN POOR 34 FAIR
MAX LVORI EARLY 5 7 5
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-212015-
CLARION-
INCLUDING THE CITY OF CLARION
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 60 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-5) 49 (-5) 62
RH % (24H TREND) 67 (-22) 100 (0) 76
WIND 20FT/EARLY(MPH) E 7 E 7 E 9 G19
WIND 20FT/LATE(MPH) E 6 E 8 G18 E 9 G18
PRECIP AMOUNT 0.11 0.20 0.27
PRECIP DURATION 2 5 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 790 680
MIXING HGT(FT-AGL/MSL)2600 2230
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 28600 26760
CATEGORY DAY 3 3
INVERSION 55F/9AM 7PM 53F/8AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 12 POOR 29 FAIR
MAX ADI LATE 33 FAIR 13 GEN POOR 32 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-212015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 70 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-6) 47 (-7) 60
RH % (24H TREND) 69 (-21) 100 (+1) 78
WIND 20FT/EARLY(MPH) NE 8 G17 E 8 G17 E 9 G20
WIND 20FT/LATE(MPH) E 7 E 9 G18 E 9 G19
PRECIP AMOUNT 0.14 0.40 0.36
PRECIP DURATION 1 5 2
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 650
MIXING HGT(FT-AGL/MSL)2620 2140
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 28820 25680
CATEGORY DAY 3 2
INVERSION 54F/9AM 7PM 52F/4AM
DISPERSION 3 2
MAX ADI EARLY 30 FAIR 12 POOR 29 FAIR
MAX ADI LATE 36 FAIR 13 GEN POOR 31 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-212015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 60
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 64 (-10) 54 (-4) 64
RH % (24H TREND) 81 (-5) 100 (0) 82
WIND 20FT/EARLY(MPH) NE 8 G18 E 9 G18 E 9
WIND 20FT/LATE(MPH) NE 9 G18 E 9 G18 E 10 G19
PRECIP AMOUNT 0.61 0.18 0.12
PRECIP DURATION 8 2 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 530 630
MIXING HGT(FT-AGL/MSL)1750 2060
TRANSPORT WND (MPH) E 16 E 15
VENT RATE (KT-FT) 24500 26780
CATEGORY DAY 2 3
INVERSION 58F/9AM 9PM 57F/4AM
DISPERSION 2 3
MAX ADI EARLY 23 FAIR 16 GEN POOR 27 FAIR
MAX ADI LATE 27 FAIR 15 GEN POOR 31 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 5 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-212015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 70 70
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 66 (-9) 53 (-6) 66
RH % (24H TREND) 85 (-5) 100 (0) 86
WIND 20FT/EARLY(MPH) NE 11 G18 E 12 G20 E 10
WIND 20FT/LATE(MPH) NE 11 G19 E 10 G18 E 12 G20
PRECIP AMOUNT 0.60 0.34 0.17
PRECIP DURATION 9 5 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 460 640
MIXING HGT(FT-AGL/MSL)1500 2100
TRANSPORT WND (MPH) E 16 E 15
VENT RATE (KT-FT) 21000 27300
CATEGORY DAY 2 3
INVERSION 58F/9AM NONE NONE
DISPERSION 2 3
MAX ADI EARLY 21 FAIR 15 GEN POOR 28 FAIR
MAX ADI LATE 25 FAIR 13 GEN POOR 32 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-212015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 70 70
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 65 (-8) 51 (-5) 64
RH % (24H TREND) 79 (-11) 100 (0) 84
WIND 20FT/EARLY(MPH) E 9 G17 E 9 G18 E 10 G19
WIND 20FT/LATE(MPH) E 8 E 10 G18 E 10 G19
PRECIP AMOUNT 0.37 0.44 0.32
PRECIP DURATION 4 6 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 630 600
MIXING HGT(FT-AGL/MSL)2050 1970
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 26650 25610
CATEGORY DAY 3 3
INVERSION 57F/9AM 7PM 54F/4AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 12 POOR 30 FAIR
MAX ADI LATE 28 FAIR 14 GEN POOR 32 FAIR
MAX LVORI EARLY 5 7 5
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-212015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 70 60
CHANCE OF THUNDER (%) 40 20 0
TEMP (24H TREND) 66 (-9) 55 (-5) 66
RH % (24H TREND) 85 (-5) 100 (0) 84
WIND 20FT/EARLY(MPH) NE 9 G18 NE 10 G19 NE 9
WIND 20FT/LATE(MPH) NE 10 G19 NE 8 G17 E 11 G19
PRECIP AMOUNT 0.64 0.27 0.16
PRECIP DURATION 11 4 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 460 650
MIXING HGT(FT-AGL/MSL)1510 2140
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 21140 25680
CATEGORY DAY 2 2
INVERSION 60F/9AM 7PM 59F/9AM
DISPERSION 2 2
MAX ADI EARLY 21 FAIR 12 POOR 23 FAIR
MAX ADI LATE 26 FAIR 12 POOR 28 FAIR
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-212015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 70
CHANCE OF THUNDER (%) 40 30 0
TEMP (24H TREND) 69 (-6) 56 (-6) 68
RH % (24H TREND) 90 (0) 100 (0) 85
WIND 20FT/EARLY(MPH) NE 5 NE 6 NE 5
WIND 20FT/LATE(MPH) NE 7 LGT/VAR E 8
PRECIP AMOUNT 0.48 0.54 0.19
PRECIP DURATION 10 9 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 480 640
MIXING HGT(FT-AGL/MSL)1560 2080
TRANSPORT WND (MPH) E 13 E 12
VENT RATE (KT-FT) 17160 20800
CATEGORY DAY 2 2
INVERSION 64F/10AM 6PM 62F/10AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 9 POOR 19 GEN POOR
MAX ADI LATE 20 GEN POOR 7 POOR 26 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-212015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 80 70
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 66 (-8) 52 (-6) 65
RH % (24H TREND) 86 (-6) 100 (0) 86
WIND 20FT/EARLY(MPH) NE 9 G17 NE 12 G20 E 11 G18
WIND 20FT/LATE(MPH) E 11 E 10 G18 E 13 G21
PRECIP AMOUNT 0.49 0.41 0.27
PRECIP DURATION 8 10 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 450 660
MIXING HGT(FT-AGL/MSL)1470 2160
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 17640 30240
CATEGORY DAY 2 3
INVERSION 60F/10AM NONE NONE
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 13 GEN POOR 28 FAIR
MAX ADI LATE 23 FAIR 13 GEN POOR 31 FAIR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-212015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 80
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 66 (-6) 52 (-5) 64
RH % (24H TREND) 81 (-12) 100 (0) 83
WIND 20FT/EARLY(MPH) E 6 E 10 G20 E 10 G21
WIND 20FT/LATE(MPH) E 8 E 9 G21 E 12 G22
PRECIP AMOUNT 0.43 0.57 0.32
PRECIP DURATION 6 11 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 470 610
MIXING HGT(FT-AGL/MSL)1550 2000
TRANSPORT WND (MPH) E 15 SE 17
VENT RATE (KT-FT) 20150 30000
CATEGORY DAY 2 3
INVERSION 58F/10AM 6PM 57F/9AM
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 13 GEN POOR 32 FAIR
MAX ADI LATE 24 FAIR 13 GEN POOR 34 FAIR
MAX LVORI EARLY 7 7 5
MAX LVORI LATE 5 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-212015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 80
CHANCE OF THUNDER (%) 40 30 0
TEMP (24H TREND) 69 (-6) 56 (-6) 67
RH % (24H TREND) 86 (-3) 100 (0) 84
WIND 20FT/EARLY(MPH) NE 5 NE 7 E 7
WIND 20FT/LATE(MPH) E 7 E 5 E 10 G20
PRECIP AMOUNT 0.50 0.57 0.28
PRECIP DURATION 10 11 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 470 710
MIXING HGT(FT-AGL/MSL)1530 2340
TRANSPORT WND (MPH) E 13 SE 14
VENT RATE (KT-FT) 16830 28080
CATEGORY DAY 2 3
INVERSION 64F/10AM 6PM 61F/9AM
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 9 POOR 24 FAIR
MAX ADI LATE 21 FAIR 8 POOR 28 FAIR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-212015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 80
CHANCE OF THUNDER (%) 30 30 10
TEMP (24H TREND) 67 (-5) 52 (-7) 65
RH % (24H TREND) 81 (-9) 100 (0) 82
WIND 20FT/EARLY(MPH) LGT/VAR E 7 G19 SE 7 G17
WIND 20FT/LATE(MPH) E 5 SE 6 G19 E 9 G21
PRECIP AMOUNT 0.45 0.61 0.33
PRECIP DURATION 9 10 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 440 570
MIXING HGT(FT-AGL/MSL)1460 1880
TRANSPORT WND (MPH) E 15 SE 17
VENT RATE (KT-FT) 18980 28200
CATEGORY DAY 2 3
INVERSION 59F/9AM 6PM 58F/9AM
DISPERSION 2 3
MAX ADI EARLY 20 GEN POOR 11 POOR 31 FAIR
MAX ADI LATE 23 FAIR 12 POOR 33 FAIR
MAX LVORI EARLY 8 8 5
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-212015-
INDIANA-
INCLUDING THE CITY OF INDIANA
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 80 70
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 64 (-8) 50 (-6) 63
RH % (24H TREND) 81 (-11) 100 (0) 84
WIND 20FT/EARLY(MPH) E 9 G17 E 10 G18 E 10 G21
WIND 20FT/LATE(MPH) E 8 E 10 G19 E 11 G20
PRECIP AMOUNT 0.35 0.59 0.42
PRECIP DURATION 4 10 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 590 580
MIXING HGT(FT-AGL/MSL)1950 1900
TRANSPORT WND (MPH) E 14 E 18
VENT RATE (KT-FT) 23400 30400
CATEGORY DAY 2 3
INVERSION 56F/9AM 7PM 55F/8AM
DISPERSION 2 3
MAX ADI EARLY 23 FAIR 12 POOR 31 FAIR
MAX ADI LATE 27 FAIR 14 GEN POOR 34 FAIR
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-212015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 80 80
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 64 (-7) 51 (-5) 61
RH % (24H TREND) 83 (-10) 100 (0) 87
WIND 20FT/EARLY(MPH) E 7 G17 E 9 G19 E 10 G21
WIND 20FT/LATE(MPH) E 8 E 10 G19 E 11 G21
PRECIP AMOUNT 0.31 0.51 0.38
PRECIP DURATION 5 12 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 470 580
MIXING HGT(FT-AGL/MSL)1540 1890
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 18480 26460
CATEGORY DAY 2 3
INVERSION 57F/10AM 6PM 55F/8AM
DISPERSION 2 3
MAX ADI EARLY 21 FAIR 12 POOR 32 FAIR
MAX ADI LATE 21 FAIR 14 GEN POOR 34 FAIR
MAX LVORI EARLY 6 7 5
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-212015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 60 60
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 63 (-11) 55 (-3) 64
RH % (24H TREND) 81 (-6) 100 (0) 83
WIND 20FT/EARLY(MPH) NE 8 G18 NE 9 G18 NE 8
WIND 20FT/LATE(MPH) NE 9 G19 NE 8 G17 E 10 G19
PRECIP AMOUNT 0.69 0.14 0.11
PRECIP DURATION 10 3 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 500 610
MIXING HGT(FT-AGL/MSL)1630 2000
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 22820 24000
CATEGORY DAY 2 2
INVERSION 58F/9AM 9PM 58F/4AM
DISPERSION 2 2
MAX ADI EARLY 24 FAIR 17 GEN POOR 24 FAIR
MAX ADI LATE 30 FAIR 13 GEN POOR 31 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 5 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-212015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 60 60
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 65 (-10) 55 (-5) 67
RH % (24H TREND) 83 (-7) 100 (0) 84
WIND 20FT/EARLY(MPH) NE 8 G18 NE 9 G18 NE 8
WIND 20FT/LATE(MPH) NE 9 G18 NE 8 E 10 G18
PRECIP AMOUNT 0.76 0.10 0.09
PRECIP DURATION 10 3 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 470 620
MIXING HGT(FT-AGL/MSL)1540 2020
TRANSPORT WND (MPH) E 16 E 13
VENT RATE (KT-FT) 21560 22220
CATEGORY DAY 2 2
INVERSION 59F/8AM 9PM 58F/8AM
DISPERSION 2 2
MAX ADI EARLY 22 FAIR 13 GEN POOR 24 FAIR
MAX ADI LATE 27 FAIR 12 POOR 29 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 5 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-212015-
OHIO-
INCLUDING THE CITY OF WHEELING
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 50 60
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 65 (-10) 56 (-5) 67
RH % (24H TREND) 88 (-2) 100 (0) 87
WIND 20FT/EARLY(MPH) NE 7 G18 NE 9 G17 NE 7
WIND 20FT/LATE(MPH) NE 8 G17 NE 7 E 9 G17
PRECIP AMOUNT 0.63 0.17 0.08
PRECIP DURATION 10 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 470 610
MIXING HGT(FT-AGL/MSL)1530 1990
TRANSPORT WND (MPH) E 15 E 13
VENT RATE (KT-FT) 19890 21890
CATEGORY DAY 2 2
INVERSION 60F/9AM 7PM 60F/9AM
DISPERSION 2 2
MAX ADI EARLY 20 GEN POOR 12 POOR 20 GEN POOR
MAX ADI LATE 26 FAIR 11 POOR 26 FAIR
MAX LVORI EARLY 7 7 6
MAX LVORI LATE 5 8 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-212015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 60
CHANCE OF THUNDER (%) 40 20 0
TEMP (24H TREND) 69 (-7) 57 (-5) 69
RH % (24H TREND) 92 (0) 100 (0) 90
WIND 20FT/EARLY(MPH) NE 5 NE 6 NE 5
WIND 20FT/LATE(MPH) NE 6 LGT/VAR NE 7
PRECIP AMOUNT 0.43 0.42 0.09
PRECIP DURATION 9 3 3
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 460 580
MIXING HGT(FT-AGL/MSL)1510 1910
TRANSPORT WND (MPH) E 13 E 10
VENT RATE (KT-FT) 16610 17190
CATEGORY DAY 2 2
INVERSION 63F/9AM 7PM 61F/9AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 10 POOR 18 GEN POOR
MAX ADI LATE 21 FAIR 7 POOR 25 FAIR
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-212015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 60
CHANCE OF THUNDER (%) 40 30 0
TEMP (24H TREND) 72 (-5) 58 (-6) 70
RH % (24H TREND) 92 (-1) 100 (0) 89
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.32 0.49 0.13
PRECIP DURATION 7 5 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 480 570
MIXING HGT(FT-AGL/MSL)1560 1870
TRANSPORT WND (MPH) E 10 E 10
VENT RATE (KT-FT) 14040 16830
CATEGORY DAY 2 2
INVERSION 66F/10AM 6PM 64F/10AM
DISPERSION 2 2
MAX ADI EARLY 13 GEN POOR 7 POOR 14 GEN POOR
MAX ADI LATE 16 GEN POOR 4 VERY POOR 23 FAIR
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-212015-
MARION-
INCLUDING THE CITY OF FAIRMONT
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 80 70
CHANCE OF THUNDER (%) 50 40 10
TEMP (24H TREND) 73 (-3) 58 (-5) 69
RH % (24H TREND) 92 (+5) 100 (0) 88
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.41 0.71 0.23
PRECIP DURATION 7 8 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 510 530
MIXING HGT(FT-AGL/MSL)1690 1730
TRANSPORT WND (MPH) E 8 E 12
VENT RATE (KT-FT) 11830 17300
CATEGORY DAY 2 2
INVERSION 67F/10AM 6PM 64F/10AM
DISPERSION 2 2
MAX ADI EARLY 13 GEN POOR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 17 GEN POOR 4 VERY POOR 22 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 6 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-212015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 80 80
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 71 (-5) 57 (-6) 68
RH % (24H TREND) 90 (+2) 100 (0) 85
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 LGT/VAR
WIND 20FT/LATE(MPH) E 5 LGT/VAR E 7
PRECIP AMOUNT 0.40 0.72 0.26
PRECIP DURATION 9 9 5
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 520 570
MIXING HGT(FT-AGL/MSL)1710 1860
TRANSPORT WND (MPH) E 10 E 12
VENT RATE (KT-FT) 15390 18600
CATEGORY DAY 2 2
INVERSION 66F/10AM 6PM 63F/10AM
DISPERSION 2 2
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 19 GEN POOR
MAX ADI LATE 18 GEN POOR 5 VERY POOR 25 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-212015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 90 80
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 70 (-3) 55 (-7) 65
RH % (24H TREND) 88 (-3) 100 (0) 87
WIND 20FT/EARLY(MPH) LGT/VAR E 5 E 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR E 8 G17
PRECIP AMOUNT 0.45 0.86 0.32
PRECIP DURATION 9 9 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 450 490
MIXING HGT(FT-AGL/MSL)1490 1620
TRANSPORT WND (MPH) E 13 SE 14
VENT RATE (KT-FT) 16390 19440
CATEGORY DAY 2 2
INVERSION 64F/10AM 6PM 60F/9AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 8 POOR 23 FAIR
MAX ADI LATE 20 GEN POOR 8 POOR 28 FAIR
MAX LVORI EARLY 9 8 8
MAX LVORI LATE 5 8 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-212015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 80 70
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 72 (-2) 55 (-7) 68
RH % (24H TREND) 83 (-6) 100 (0) 84
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR E 8 G18
PRECIP AMOUNT 0.49 0.81 0.36
PRECIP DURATION 9 8 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 450 470
MIXING HGT(FT-AGL/MSL)1470 1550
TRANSPORT WND (MPH) E 13 SE 16
VENT RATE (KT-FT) 16170 21700
CATEGORY DAY 2 2
INVERSION 66F/10AM 6PM 62F/10AM
DISPERSION 2 2
MAX ADI EARLY 17 GEN POOR 8 POOR 24 FAIR
MAX ADI LATE 20 GEN POOR 7 POOR 29 FAIR
MAX LVORI EARLY 9 8 8
MAX LVORI LATE 5 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-212015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 80 80
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 70 (-2) 54 (-7) 66
RH % (24H TREND) 87 (-4) 100 (0) 88
WIND 20FT/EARLY(MPH) LGT/VAR E 6 G19 E 6
WIND 20FT/LATE(MPH) E 5 E 6 G18 E 9 G20
PRECIP AMOUNT 0.46 0.73 0.45
PRECIP DURATION 8 8 8
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 400 480
MIXING HGT(FT-AGL/MSL)1320 1570
TRANSPORT WND (MPH) SE 14 SE 16
VENT RATE (KT-FT) 15840 21980
CATEGORY DAY 2 2
INVERSION 63F/10AM 6PM 60F/10AM
DISPERSION 2 2
MAX ADI EARLY 18 GEN POOR 10 POOR 25 FAIR
MAX ADI LATE 20 GEN POOR 10 POOR 31 FAIR
MAX LVORI EARLY 8 8 5
MAX LVORI LATE 5 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-212015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 80 80
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 75 (+1) 58 (-4) 69
RH % (24H TREND) 81 (-4) 100 (0) 83
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.50 0.52 0.49
PRECIP DURATION 6 8 7
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 480 460
MIXING HGT(FT-AGL/MSL)1560 1500
TRANSPORT WND (MPH) SE 9 SE 13
VENT RATE (KT-FT) 12480 16500
CATEGORY DAY 1 2
INVERSION 68F/11AM 6PM 62F/10AM
DISPERSION 1 2
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 20 GEN POOR
MAX ADI LATE 18 GEN POOR 5 VERY POOR 26 FAIR
MAX LVORI EARLY 9 9 8
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-212015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1223 AM EDT MON SEP 21 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 80 90
CHANCE OF THUNDER (%) 40 40 10
TEMP (24H TREND) 69 (-2) 51 (-7) 63
RH % (24H TREND) 92 (+6) 100 (0) 93
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.45 0.48 0.66
PRECIP DURATION 6 8 8
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 390 430
MIXING HGT(FT-AGL/MSL)1280 1420
TRANSPORT WND (MPH) SE 12 E 14
VENT RATE (KT-FT) 12800 17040
CATEGORY DAY 1 2
INVERSION 63F/11AM 4PM 59F/10AM
DISPERSION 1 2
MAX ADI EARLY 14 GEN POOR 8 POOR 20 GEN POOR
MAX ADI LATE 16 GEN POOR 8 POOR 26 FAIR
MAX LVORI EARLY 9 8 8
MAX LVORI LATE 5 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTH WINDS 5 TO 10 MPH.
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