667
FNUS51 KPBZ 130625
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
225 AM EDT WED MAY 13 2026
DISCUSSION
MORNING RAIN WILL BRIEFLY BREAK BEFORE A LINE OF SHOWERS AND
THUNDERSTORMS CROSS AHEAD OF A COLD FRONT THIS AFTERNOON. EXPECT
SEASONABLE TEMPERATURE IN BETWEEN ROUNDS OF RAIN WITH AREA WIND
VEERING NORTHWEST AND OCCASIONALLY GUSTING TO 20 TO 25 MPH AFTER
THE FRONTAL PASSAGE.
WELL BELOW NORMAL TEMPERATURE IS FAVORED FOR THURSDAY WITH SPOTTY
AFTERNOON LIGHT RAIN SHOWERS. A PATTERN SHIFT IS HIGHLY LIKELY TO
RESULT IN A STRONG WARMING TREND TOWARD WELL ABOVE NORMAL
TEMPERATURE BY THE END OF THE WEEKEND.
OHZ039-132015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 67 (-3) 44 (-6) 58
RH % (24H TREND) 53 (+21) 87 (+2) 53
WIND 20FT/EARLY(MPH) SW 11 G20 NW 8 G18 NW 9 G21
WIND 20FT/LATE(MPH) W 12 G20 NW 6 NW 11 G19
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 3 1 0
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 4 PM CONTINUING 12 PM
MIXING HGT(M-AGL/MSL) 1430 1770
MIXING HGT(FT-AGL/MSL)4700 5800
TRANSPORT WND (MPH) W 23 NW 24
VENT RATE (KT-FT) 94000 121800
CATEGORY DAY 4 5
INVERSION 56F/6AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 50 GEN GOOD 32 FAIR 62 GOOD
MAX ADI LATE 105 VERY GOOD17 GEN POOR 93 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-132015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 30
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 66 (-3) 43 (-7) 56
RH % (24H TREND) 56 (+24) 90 (+6) 55
WIND 20FT/EARLY(MPH) SW 12 G20 NW 9 G17 NW 9 G20
WIND 20FT/LATE(MPH) W 13 G20 NW 7 NW 11 G19
PRECIP AMOUNT 0.07 0.00 0.01
PRECIP DURATION 4 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 4 PM CONTINUING 12 PM
MIXING HGT(M-AGL/MSL) 1300 1560
MIXING HGT(FT-AGL/MSL)4260 5110
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 85200 102200
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 32 FAIR 46 GEN GOOD
MAX ADI LATE 105 VERY GOOD17 GEN POOR 84 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-132015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 40
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 66 (-3) 43 (-6) 56
RH % (24H TREND) 58 (+26) 92 (+8) 57
WIND 20FT/EARLY(MPH) SW 11 G21 NW 8 G17 NW 9 G20
WIND 20FT/LATE(MPH) W 12 NW 6 NW 11 G19
PRECIP AMOUNT 0.08 0.00 0.01
PRECIP DURATION 4 1 1
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 4 PM CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1220 1400
MIXING HGT(FT-AGL/MSL)4010 4580
TRANSPORT WND (MPH) W 22 NW 23
VENT RATE (KT-FT) 76190 91600
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 31 FAIR 46 GEN GOOD
MAX ADI LATE 100 GOOD 17 GEN POOR 76 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-132015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 50 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 67 (-3) 43 (-8) 59
RH % (24H TREND) 50 (+19) 85 (-1) 50
WIND 20FT/EARLY(MPH) SW 9 G19 NW 8 G18 NW 7 G20
WIND 20FT/LATE(MPH) W 11 G19 NW 5 NW 9 G17
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 3 PM
MIXING HGT(M-AGL/MSL) 1530 1900
MIXING HGT(FT-AGL/MSL)5010 6250
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 100200 125000
CATEGORY DAY 4 5
INVERSION 56F/7AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 60 GEN GOOD 33 FAIR 85 GOOD
MAX ADI LATE 104 VERY GOOD12 POOR 125 VERY GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-132015-
HARRISON-
INCLUDING THE CITY OF CADIZ
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 20 20
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 67 (-4) 43 (-6) 57
RH % (24H TREND) 54 (+25) 89 (+7) 53
WIND 20FT/EARLY(MPH) SW 10 G22 NW 8 G18 NW 9 G19
WIND 20FT/LATE(MPH) W 11 G21 NW 6 NW 10 G19
PRECIP AMOUNT 0.09 0.01 0.01
PRECIP DURATION 5 1 1
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 5 PM CONTINUING 12 PM
MIXING HGT(M-AGL/MSL) 1370 1690
MIXING HGT(FT-AGL/MSL)4500 5540
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 90000 110800
CATEGORY DAY 4 5
INVERSION 55F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 46 GEN GOOD 31 FAIR 57 GEN GOOD
MAX ADI LATE 98 GOOD 16 GEN POOR 83 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-132015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 30
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 67 (-3) 43 (-6) 57
RH % (24H TREND) 55 (+26) 89 (+10) 54
WIND 20FT/EARLY(MPH) SW 10 G21 NW 8 G17 NW 9 G19
WIND 20FT/LATE(MPH) W 11 G21 W 6 NW 11 G19
PRECIP AMOUNT 0.08 0.01 0.00
PRECIP DURATION 5 1 1
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 6 PM CONTINUING 1 PM
MIXING HGT(M-AGL/MSL) 1260 1450
MIXING HGT(FT-AGL/MSL)4120 4750
TRANSPORT WND (MPH) W 22 NW 23
VENT RATE (KT-FT) 78280 95000
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 46 GEN GOOD 31 FAIR 51 GEN GOOD
MAX ADI LATE 80 GOOD 15 GEN POOR 77 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-132015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 70 0 0
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 68 (-3) 43 (-8) 60
RH % (24H TREND) 49 (+21) 83 (0) 49
WIND 20FT/EARLY(MPH) SW 9 G19 NW 9 G19 NW 7 G18
WIND 20FT/LATE(MPH) W 11 G20 LGT/VAR NW 8
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 1490 1920
MIXING HGT(FT-AGL/MSL)4880 6300
TRANSPORT WND (MPH) W 24 NW 22
VENT RATE (KT-FT) 102480 119700
CATEGORY DAY 5 5
INVERSION 57F/8AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 59 GEN GOOD 34 FAIR 84 GOOD
MAX ADI LATE 98 GOOD 12 POOR 101 VERY GOOD
MAX LVORI EARLY 4 2 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-132015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 69 (-3) 44 (-5) 59
RH % (24H TREND) 49 (+21) 85 (+2) 50
WIND 20FT/EARLY(MPH) SW 9 G20 NW 7 G18 NW 7 G19
WIND 20FT/LATE(MPH) W 10 G20 LGT/VAR NW 9 G17
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 1470 1810
MIXING HGT(FT-AGL/MSL)4820 5940
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 96400 118800
CATEGORY DAY 4 5
INVERSION 56F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 48 GEN GOOD 32 FAIR 68 GOOD
MAX ADI LATE 96 GOOD 11 POOR 107 VERY GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-132015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 20 20
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 68 (-4) 44 (-4) 59
RH % (24H TREND) 55 (+26) 88 (+9) 54
WIND 20FT/EARLY(MPH) SW 10 G22 NW 8 G18 NW 8 G20
WIND 20FT/LATE(MPH) W 11 G22 NW 6 NW 10 G19
PRECIP AMOUNT 0.05 0.01 0.00
PRECIP DURATION 5 1 0
PRECIP BEGIN 6 AM 11 PM CONTINUING
PRECIP END 6 PM CONTINUING 12 PM
MIXING HGT(M-AGL/MSL) 1280 1660
MIXING HGT(FT-AGL/MSL)4200 5440
TRANSPORT WND (MPH) W 21 NW 23
VENT RATE (KT-FT) 75600 108800
CATEGORY DAY 4 5
INVERSION 55F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 43 GEN GOOD 32 FAIR 59 GEN GOOD
MAX ADI LATE 93 GOOD 16 GEN POOR 79 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 2 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-132015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 80 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 69 (-4) 43 (-4) 60
RH % (24H TREND) 51 (+24) 86 (+3) 51
WIND 20FT/EARLY(MPH) SW 9 G20 NW 8 G18 NW 7 G19
WIND 20FT/LATE(MPH) W 10 G20 LGT/VAR NW 8
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 1410 1800
MIXING HGT(FT-AGL/MSL)4630 5920
TRANSPORT WND (MPH) W 22 NW 22
VENT RATE (KT-FT) 87970 112480
CATEGORY DAY 4 5
INVERSION 57F/9AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 46 GEN GOOD 27 FAIR 70 GOOD
MAX ADI LATE 94 GOOD 11 POOR 100 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-132015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 90 0 0
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 69 (-4) 44 (-3) 60
RH % (24H TREND) 54 (+25) 86 (+4) 53
WIND 20FT/EARLY(MPH) SW 8 G22 NW 7 G18 NW 7 G19
WIND 20FT/LATE(MPH) W 9 G22 LGT/VAR NW 8 G18
PRECIP AMOUNT 0.10 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1190 1620
MIXING HGT(FT-AGL/MSL)3900 5330
TRANSPORT WND (MPH) SW 21 NW 22
VENT RATE (KT-FT) 70200 101270
CATEGORY DAY 4 5
INVERSION 57F/9AM 9PM 47F/4AM
DISPERSION 4 5
MAX ADI EARLY 50 GEN GOOD 15 GEN POOR 66 GOOD
MAX ADI LATE 88 GOOD 10 POOR 96 GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-132015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 40
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 65 (-1) 41 (-6) 54
RH % (24H TREND) 61 (+29) 99 (+10) 67
WIND 20FT/EARLY(MPH) SW 10 G19 NW 7 NW 9 G18
WIND 20FT/LATE(MPH) W 12 G19 W 7 NW 11
PRECIP AMOUNT 0.12 0.01 0.01
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM 10 PM CONTINUING
PRECIP END 4 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1080 1140
MIXING HGT(FT-AGL/MSL)3540 3730
TRANSPORT WND (MPH) W 22 NW 21
VENT RATE (KT-FT) 67260 67140
CATEGORY DAY 4 4
INVERSION 55F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 38 FAIR 29 FAIR 41 GEN GOOD
MAX ADI LATE 59 GEN GOOD 16 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-132015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 50
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 63 (-3) 40 (-5) 52
RH % (24H TREND) 67 (+35) 99 (+10) 74
WIND 20FT/EARLY(MPH) SW 9 G19 W 6 W 7 G17
WIND 20FT/LATE(MPH) W 9 G18 W 5 NW 9 G17
PRECIP AMOUNT 0.16 0.01 0.02
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM 8 PM CONTINUING
PRECIP END 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 980 970
MIXING HGT(FT-AGL/MSL)3200 3190
TRANSPORT WND (MPH) W 21 NW 18
VENT RATE (KT-FT) 57600 51040
CATEGORY DAY 4 3
INVERSION 52F/8AM NONE NONE
DISPERSION 4 3
MAX ADI EARLY 37 FAIR 28 FAIR 47 GEN GOOD
MAX ADI LATE 70 GOOD 9 POOR 67 GOOD
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-132015-
FOREST-
INCLUDING THE CITY OF TIONESTA
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 20 40
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 62 (-4) 39 (-4) 51
RH % (24H TREND) 67 (+39) 98 (+12) 72
WIND 20FT/EARLY(MPH) SW 7 G20 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 8 G19 LGT/VAR NW 7
PRECIP AMOUNT 0.17 0.01 0.01
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 870 890
MIXING HGT(FT-AGL/MSL)2850 2930
TRANSPORT WND (MPH) SW 21 NW 18
VENT RATE (KT-FT) 51300 46880
CATEGORY DAY 3 3
INVERSION 51F/8AM NONE NONE
DISPERSION 3 3
MAX ADI EARLY 40 FAIR 26 FAIR 46 GEN GOOD
MAX ADI LATE 63 GOOD 8 POOR 56 GEN GOOD
MAX LVORI EARLY 4 5 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-132015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 30
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 66 (-3) 42 (-5) 55
RH % (24H TREND) 58 (+27) 97 (+12) 60
WIND 20FT/EARLY(MPH) SW 9 G18 NW 7 NW 8 G18
WIND 20FT/LATE(MPH) W 11 W 5 NW 11
PRECIP AMOUNT 0.12 0.01 0.01
PRECIP DURATION 6 1 2
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 1160
MIXING HGT(FT-AGL/MSL)3620 3790
TRANSPORT WND (MPH) W 21 NW 22
VENT RATE (KT-FT) 65160 72010
CATEGORY DAY 4 4
INVERSION 55F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 43 GEN GOOD 30 FAIR 57 GEN GOOD
MAX ADI LATE 89 GOOD 12 POOR 64 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-132015-
BUTLER-
INCLUDING THE CITY OF BUTLER
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 40
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 65 (-3) 41 (-5) 55
RH % (24H TREND) 62 (+27) 100 (+16) 68
WIND 20FT/EARLY(MPH) SW 9 G20 NW 7 W 8 G17
WIND 20FT/LATE(MPH) W 11 G20 W 5 NW 10 G18
PRECIP AMOUNT 0.14 0.01 0.01
PRECIP DURATION 6 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1050
MIXING HGT(FT-AGL/MSL)3480 3430
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 69600 61740
CATEGORY DAY 4 4
INVERSION 56F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 29 FAIR 51 GEN GOOD
MAX ADI LATE 62 GOOD 12 POOR 55 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-132015-
CLARION-
INCLUDING THE CITY OF CLARION
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 40
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 64 (-2) 41 (-3) 54
RH % (24H TREND) 65 (+32) 97 (+14) 70
WIND 20FT/EARLY(MPH) SW 8 G20 NW 5 W 7 G17
WIND 20FT/LATE(MPH) SW 10 G20 LGT/VAR NW 9 G18
PRECIP AMOUNT 0.16 0.01 0.01
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 940 970
MIXING HGT(FT-AGL/MSL)3090 3190
TRANSPORT WND (MPH) SW 22 NW 18
VENT RATE (KT-FT) 58710 51040
CATEGORY DAY 4 3
INVERSION 54F/9AM NONE NONE
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 26 FAIR 48 GEN GOOD
MAX ADI LATE 56 GEN GOOD 8 POOR 64 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-132015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 50
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 64 (-2) 41 (-4) 52
RH % (24H TREND) 58 (+25) 94 (+17) 70
WIND 20FT/EARLY(MPH) SW 8 G22 W 5 W 7 G17
WIND 20FT/LATE(MPH) SW 11 G22 W 5 NW 9 G18
PRECIP AMOUNT 0.18 0.02 0.01
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 860 920
MIXING HGT(FT-AGL/MSL)2810 3030
TRANSPORT WND (MPH) SW 21 NW 17
VENT RATE (KT-FT) 50580 45450
CATEGORY DAY 3 3
INVERSION 53F/9AM 9PM 43F/4AM
DISPERSION 3 3
MAX ADI EARLY 35 FAIR 24 FAIR 46 GEN GOOD
MAX ADI LATE 45 GEN GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-132015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 30
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 67 (-3) 44 (-6) 56
RH % (24H TREND) 56 (+27) 92 (+12) 57
WIND 20FT/EARLY(MPH) SW 9 G20 NW 7 NW 8 G18
WIND 20FT/LATE(MPH) W 11 G19 W 5 NW 10 G18
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1180 1230
MIXING HGT(FT-AGL/MSL)3880 4020
TRANSPORT WND (MPH) SW 23 NW 22
VENT RATE (KT-FT) 77600 76380
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 30 FAIR 56 GEN GOOD
MAX ADI LATE 91 GOOD 10 POOR 65 GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-132015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 30
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 67 (-4) 44 (-5) 56
RH % (24H TREND) 54 (+24) 93 (+19) 60
WIND 20FT/EARLY(MPH) SW 11 G21 NW 8 W 9 G17
WIND 20FT/LATE(MPH) SW 13 G22 W 6 NW 12
PRECIP AMOUNT 0.14 0.01 0.00
PRECIP DURATION 6 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 1140
MIXING HGT(FT-AGL/MSL)3610 3750
TRANSPORT WND (MPH) SW 24 NW 21
VENT RATE (KT-FT) 75810 67500
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 28 FAIR 45 GEN GOOD
MAX ADI LATE 57 GEN GOOD 15 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-132015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 67 (-1) 42 (-3) 54
RH % (24H TREND) 61 (+27) 99 (+21) 69
WIND 20FT/EARLY(MPH) SW 9 G21 NW 6 W 8 G17
WIND 20FT/LATE(MPH) SW 10 G22 LGT/VAR NW 10 G18
PRECIP AMOUNT 0.16 0.02 0.00
PRECIP DURATION 6 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 940 1010
MIXING HGT(FT-AGL/MSL)3090 3320
TRANSPORT WND (MPH) SW 21 NW 20
VENT RATE (KT-FT) 55620 56440
CATEGORY DAY 4 4
INVERSION 56F/9AM 9PM 45F/4AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 26 FAIR 51 GEN GOOD
MAX ADI LATE 53 GEN GOOD 8 POOR 47 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-132015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 20 30
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 67 (-4) 43 (-6) 56
RH % (24H TREND) 53 (+24) 90 (+17) 59
WIND 20FT/EARLY(MPH) SW 11 G21 NW 8 G17 W 9 G17
WIND 20FT/LATE(MPH) SW 13 G22 W 6 NW 11 G19
PRECIP AMOUNT 0.08 0.01 0.00
PRECIP DURATION 7 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1180 1290
MIXING HGT(FT-AGL/MSL)3860 4250
TRANSPORT WND (MPH) SW 24 NW 22
VENT RATE (KT-FT) 81060 80750
CATEGORY DAY 4 4
INVERSION 56F/8AM 9PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 46 GEN GOOD 28 FAIR 50 GEN GOOD
MAX ADI LATE 59 GEN GOOD 13 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-132015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 40 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 67 (-5) 44 (-3) 56
RH % (24H TREND) 56 (+24) 91 (+17) 63
WIND 20FT/EARLY(MPH) SW 10 G21 NW 6 G17 W 7 G17
WIND 20FT/LATE(MPH) SW 10 G21 LGT/VAR NW 9 G17
PRECIP AMOUNT 0.10 0.02 0.00
PRECIP DURATION 7 1 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1150 1350
MIXING HGT(FT-AGL/MSL)3770 4440
TRANSPORT WND (MPH) SW 24 NW 22
VENT RATE (KT-FT) 79170 84360
CATEGORY DAY 4 4
INVERSION 57F/8AM 8PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 25 FAIR 58 GEN GOOD
MAX ADI LATE 60 GEN GOOD 10 POOR 73 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-132015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 70 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 67 (-4) 43 (-4) 55
RH % (24H TREND) 57 (+25) 97 (+18) 67
WIND 20FT/EARLY(MPH) SW 11 G23 NW 7 G17 W 9 G17
WIND 20FT/LATE(MPH) SW 14 G23 W 5 NW 12 G19
PRECIP AMOUNT 0.13 0.04 0.01
PRECIP DURATION 6 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1030
MIXING HGT(FT-AGL/MSL)3360 3380
TRANSPORT WND (MPH) SW 23 NW 20
VENT RATE (KT-FT) 67200 57460
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 46F/4AM
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 25 FAIR 42 GEN GOOD
MAX ADI LATE 59 GEN GOOD 9 POOR 50 GEN GOOD
MAX LVORI EARLY 3 4 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-132015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 40
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 68 (-1) 41 (-6) 55
RH % (24H TREND) 52 (+22) 94 (+23) 66
WIND 20FT/EARLY(MPH) SW 9 G23 W 6 G18 W 8 G19
WIND 20FT/LATE(MPH) SW 11 G23 LGT/VAR NW 10 G20
PRECIP AMOUNT 0.10 0.07 0.02
PRECIP DURATION 4 3 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 790
MIXING HGT(FT-AGL/MSL)3430 2580
TRANSPORT WND (MPH) SW 24 NW 20
VENT RATE (KT-FT) 72030 43860
CATEGORY DAY 4 3
INVERSION 57F/8AM 8PM 46F/4AM
DISPERSION 4 3
MAX ADI EARLY 45 GEN GOOD 23 FAIR 49 GEN GOOD
MAX ADI LATE 64 GOOD 9 POOR 48 GEN GOOD
MAX LVORI EARLY 2 4 4
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-132015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 70 40
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 67 (-5) 43 (-5) 56
RH % (24H TREND) 55 (+25) 94 (+25) 66
WIND 20FT/EARLY(MPH) SW 10 G21 NW 6 W 7
WIND 20FT/LATE(MPH) SW 11 G21 LGT/VAR NW 9 G17
PRECIP AMOUNT 0.12 0.06 0.01
PRECIP DURATION 5 2 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1090 1080
MIXING HGT(FT-AGL/MSL)3590 3540
TRANSPORT WND (MPH) SW 23 NW 20
VENT RATE (KT-FT) 71800 60180
CATEGORY DAY 4 4
INVERSION 57F/8AM 8PM 46F/5AM
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 23 FAIR 52 GEN GOOD
MAX ADI LATE 60 GEN GOOD 8 POOR 61 GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-132015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 50
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 65 (-4) 41 (-5) 53
RH % (24H TREND) 53 (+22) 97 (+26) 69
WIND 20FT/EARLY(MPH) SW 8 G21 NW 5 G17 W 6
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.13 0.09 0.03
PRECIP DURATION 4 4 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 960 830
MIXING HGT(FT-AGL/MSL)3160 2740
TRANSPORT WND (MPH) SW 22 NW 20
VENT RATE (KT-FT) 60040 46580
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 44F/4AM
DISPERSION 4 3
MAX ADI EARLY 53 GEN GOOD 24 FAIR 47 GEN GOOD
MAX ADI LATE 80 GOOD 9 POOR 58 GEN GOOD
MAX LVORI EARLY 2 4 4
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-132015-
INDIANA-
INCLUDING THE CITY OF INDIANA
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 60 40
CHANCE OF THUNDER (%) 40 30 0
TEMP (24H TREND) 66 (-2) 42 (-4) 55
RH % (24H TREND) 57 (+24) 96 (+21) 71
WIND 20FT/EARLY(MPH) SW 9 G22 NW 6 G17 W 8 G18
WIND 20FT/LATE(MPH) SW 12 G23 LGT/VAR NW 11 G19
PRECIP AMOUNT 0.18 0.05 0.01
PRECIP DURATION 6 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950 870
MIXING HGT(FT-AGL/MSL)3110 2860
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 62200 45760
CATEGORY DAY 4 3
INVERSION 56F/9AM 9PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 35 FAIR 23 FAIR 47 GEN GOOD
MAX ADI LATE 54 GEN GOOD 8 POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-132015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 40
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 66 (-2) 42 (-4) 54
RH % (24H TREND) 54 (+24) 94 (+23) 71
WIND 20FT/EARLY(MPH) SW 9 G23 NW 6 G17 W 8 G18
WIND 20FT/LATE(MPH) SW 11 G23 W 5 W 10 G20
PRECIP AMOUNT 0.13 0.06 0.01
PRECIP DURATION 5 2 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1020 800
MIXING HGT(FT-AGL/MSL)3340 2640
TRANSPORT WND (MPH) SW 26 NW 18
VENT RATE (KT-FT) 76820 42240
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 39 FAIR 20 GEN POOR 41 GEN GOOD
MAX ADI LATE 61 GOOD 9 POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-132015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 40
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 66 (-4) 44 (-4) 56
RH % (24H TREND) 57 (+27) 89 (+8) 55
WIND 20FT/EARLY(MPH) SW 9 G20 NW 8 NW 8 G18
WIND 20FT/LATE(MPH) W 11 G19 W 5 NW 10 G18
PRECIP AMOUNT 0.08 0.01 0.01
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 5 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1210 1290
MIXING HGT(FT-AGL/MSL)3950 4240
TRANSPORT WND (MPH) W 21 NW 22
VENT RATE (KT-FT) 71100 80560
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 30 FAIR 58 GEN GOOD
MAX ADI LATE 70 GOOD 15 GEN POOR 68 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-132015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 20
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 67 (-4) 45 (-5) 57
RH % (24H TREND) 53 (+24) 85 (+10) 54
WIND 20FT/EARLY(MPH) SW 10 G21 NW 8 G17 NW 8 G17
WIND 20FT/LATE(MPH) W 11 G21 W 6 NW 10 G18
PRECIP AMOUNT 0.09 0.01 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 6 PM CONTINUING 3 PM
MIXING HGT(M-AGL/MSL) 1190 1420
MIXING HGT(FT-AGL/MSL)3910 4650
TRANSPORT WND (MPH) SW 23 NW 23
VENT RATE (KT-FT) 78200 93000
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 42 GEN GOOD 31 FAIR 57 GEN GOOD
MAX ADI LATE 64 GOOD 12 POOR 69 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-132015-
OHIO-
INCLUDING THE CITY OF WHEELING
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 100 30 20
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 67 (-5) 44 (-4) 57
RH % (24H TREND) 55 (+28) 87 (+12) 56
WIND 20FT/EARLY(MPH) SW 11 G22 NW 9 G17 NW 8 G18
WIND 20FT/LATE(MPH) W 12 G21 W 6 NW 10 G18
PRECIP AMOUNT 0.06 0.01 0.00
PRECIP DURATION 5 1 1
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 6 PM CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1150 1470
MIXING HGT(FT-AGL/MSL)3760 4820
TRANSPORT WND (MPH) W 21 NW 23
VENT RATE (KT-FT) 67680 96400
CATEGORY DAY 4 4
INVERSION 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 31 FAIR 52 GEN GOOD
MAX ADI LATE 62 GOOD 15 GEN POOR 67 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-132015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 20
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 69 (-3) 45 (-5) 59
RH % (24H TREND) 55 (+23) 87 (+12) 57
WIND 20FT/EARLY(MPH) SW 10 G22 NW 8 G17 NW 7 G18
WIND 20FT/LATE(MPH) SW 10 G22 NW 5 NW 9 G17
PRECIP AMOUNT 0.11 0.01 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1150 1530
MIXING HGT(FT-AGL/MSL)3760 5000
TRANSPORT WND (MPH) SW 22 NW 22
VENT RATE (KT-FT) 71440 95000
CATEGORY DAY 4 4
INVERSION 56F/8AM 9PM 48F/4AM
DISPERSION 4 4
MAX ADI EARLY 42 GEN GOOD 14 GEN POOR 64 GOOD
MAX ADI LATE 66 GOOD 10 POOR 93 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-132015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 30 20
CHANCE OF THUNDER (%) 40 0 0
TEMP (24H TREND) 67 (-5) 45 (-3) 58
RH % (24H TREND) 56 (+23) 88 (+14) 59
WIND 20FT/EARLY(MPH) SW 8 G21 NW 6 G17 W 6 G17
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.17 0.01 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 1080 1480
MIXING HGT(FT-AGL/MSL)3550 4860
TRANSPORT WND (MPH) W 21 NW 21
VENT RATE (KT-FT) 63900 87480
CATEGORY DAY 4 4
INVERSION 56F/9AM 9PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 44 GEN GOOD 25 FAIR 61 GOOD
MAX ADI LATE 73 GOOD 9 POOR 94 GOOD
MAX LVORI EARLY 3 3 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-132015-
MARION-
INCLUDING THE CITY OF FAIRMONT
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 20
CHANCE OF THUNDER (%) 40 50 0
TEMP (24H TREND) 66 (-7) 43 (-1) 56
RH % (24H TREND) 60 (+28) 93 (+10) 64
WIND 20FT/EARLY(MPH) SW 8 G21 NW 5 W 6
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR NW 8
PRECIP AMOUNT 0.20 0.06 0.00
PRECIP DURATION 6 2 1
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 1350
MIXING HGT(FT-AGL/MSL)3590 4440
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 71800 79920
CATEGORY DAY 4 4
INVERSION 56F/8AM 9PM 45F/5AM
DISPERSION 4 4
MAX ADI EARLY 47 GEN GOOD 18 GEN POOR 55 GEN GOOD
MAX ADI LATE 62 GOOD 7 POOR 87 GOOD
MAX LVORI EARLY 3 4 5
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-132015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 60 30
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 67 (-6) 44 (-4) 56
RH % (24H TREND) 57 (+24) 92 (+22) 63
WIND 20FT/EARLY(MPH) SW 9 G21 NW 5 W 6
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.15 0.06 0.01
PRECIP DURATION 5 2 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1110 1330
MIXING HGT(FT-AGL/MSL)3630 4360
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 72600 78480
CATEGORY DAY 4 4
INVERSION 57F/8AM 8PM 46F/5AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 21 FAIR 55 GEN GOOD
MAX ADI LATE 61 GOOD 7 POOR 85 GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-132015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 100 70 50
CHANCE OF THUNDER (%) 50 50 0
TEMP (24H TREND) 64 (-6) 42 (-5) 52
RH % (24H TREND) 57 (+25) 95 (+29) 70
WIND 20FT/EARLY(MPH) SW 8 G20 W 5 W 6
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR NW 8
PRECIP AMOUNT 0.16 0.09 0.03
PRECIP DURATION 5 3 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1030
MIXING HGT(FT-AGL/MSL)3360 3380
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 67200 54080
CATEGORY DAY 4 4
INVERSION 56F/8AM 8PM 44F/5AM
DISPERSION 4 4
MAX ADI EARLY 55 GEN GOOD 21 FAIR 43 GEN GOOD
MAX ADI LATE 75 GOOD 8 POOR 62 GOOD
MAX LVORI EARLY 3 4 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-132015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 50
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 65 (-5) 42 (-2) 53
RH % (24H TREND) 57 (+26) 96 (+18) 69
WIND 20FT/EARLY(MPH) SW 6 G19 LGT/VAR W 5
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR W 7
PRECIP AMOUNT 0.18 0.11 0.03
PRECIP DURATION 5 4 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 970 910
MIXING HGT(FT-AGL/MSL)3170 2990
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 63400 47840
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 64 GOOD 20 GEN POOR 48 GEN GOOD
MAX ADI LATE 74 GOOD 7 POOR 59 GEN GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-132015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 50
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 64 (-4) 41 (-3) 52
RH % (24H TREND) 57 (+24) 99 (+26) 71
WIND 20FT/EARLY(MPH) SW 8 G21 W 6 G18 W 7 G18
WIND 20FT/LATE(MPH) SW 9 G22 LGT/VAR W 9 G18
PRECIP AMOUNT 0.14 0.13 0.03
PRECIP DURATION 5 4 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990 800
MIXING HGT(FT-AGL/MSL)3250 2610
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 65000 46980
CATEGORY DAY 4 3
INVERSION 55F/8AM 8PM 44F/4AM
DISPERSION 4 3
MAX ADI EARLY 59 GEN GOOD 25 FAIR 48 GEN GOOD
MAX ADI LATE 60 GEN GOOD 10 POOR 53 GEN GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-132015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 40
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 66 (-5) 41 (-3) 53
RH % (24H TREND) 56 (+25) 98 (+23) 67
WIND 20FT/EARLY(MPH) SW 6 G21 W 5 G19 W 6 G17
WIND 20FT/LATE(MPH) SW 9 G22 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.11 0.15 0.02
PRECIP DURATION 4 4 2
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1100 770
MIXING HGT(FT-AGL/MSL)3600 2510
TRANSPORT WND (MPH) SW 24 NW 20
VENT RATE (KT-FT) 75600 42670
CATEGORY DAY 4 3
INVERSION 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 76 GOOD 27 FAIR 45 GEN GOOD
MAX ADI LATE 77 GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 2 5 4
MAX LVORI LATE 2 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-132015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
225 AM EDT WED MAY 13 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 80 50
CHANCE OF THUNDER (%) 40 40 0
TEMP (24H TREND) 63 (-2) 38 (-2) 49
RH % (24H TREND) 56 (+24) 100 (+27) 77
WIND 20FT/EARLY(MPH) SW 9 G29 W 7 G23 NW 9 G27
WIND 20FT/LATE(MPH) W 10 G26 NW 6 G21 NW 10 G26
PRECIP AMOUNT 0.07 0.13 0.03
PRECIP DURATION 2 5 3
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1230 870
MIXING HGT(FT-AGL/MSL)4040 2840
TRANSPORT WND (MPH) W 28 NW 25
VENT RATE (KT-FT) 96960 62480
CATEGORY DAY 4 4
INVERSION 54F/8AM 9PM 42F/4AM
DISPERSION 4 4
MAX ADI EARLY 96 GOOD 28 FAIR 53 GEN GOOD
MAX ADI LATE 76 GOOD 20 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. WARMER. LOWS IN
THE LOWER 50S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.
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