611
FNUS51 KPBZ 200442
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1242 AM EDT FRI MAR 20 2026
DISCUSSION
LIGHT SOUTH-SOUTHEASTERLY WIND THIS MORNING WILL GRADUALLY
STRENGTHEN UP TO 15-20 MPH BY EARLY AFTERNOON AS IT SHIFTS OUT OF
THE SOUTHWEST. EXPECT GUSTS UP TO 25-30 MPH DURING THIS TIME.A
FRONT WILL PASS DURING THE AFTERNOON BRINGING RAIN AND THE CHANCE
FOR THUNDERSTORMS.
THE WIND WILL GRADUALLY EASE DURING THE OVERNIGHT HOURS AND REMAIN
LIGHT INTO SATURDAY. CONDITIONS WILL BE DRY ON SATURDAY WITH
MINIMUM RELATIVE HUMIDITY BETWEEN 40%-50%. NEXT CHANCE FOR RAIN
EXPECTED SUNDAY EVENING.
OHZ039-202030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 60 40 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 64 (+9) 37 (0) 61
RH % (24H TREND) 62 (+13) 92 (+2) 42
WIND 20FT/EARLY(MPH) S 9 G21 NW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G21 N 5 LGT/VAR
PRECIP AMOUNT 0.04 0.02 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1050 950
MIXING HGT(FT-AGL/MSL)3460 3130
TRANSPORT WND (MPH) W 23 S 6
VENT RATE (KT-FT) 69200 15650
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 44F/4AM
DISPERSION 4 2
MAX ADI EARLY 41 GEN GOOD 25 FAIR 15 GEN POOR
MAX ADI LATE 61 GOOD 11 POOR 23 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-202030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 50 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+8) 36 (0) 59
RH % (24H TREND) 64 (+11) 91 (0) 44
WIND 20FT/EARLY(MPH) SW 10 G22 NW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.04 0.04 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 1040 910
MIXING HGT(FT-AGL/MSL)3400 2990
TRANSPORT WND (MPH) SW 28 S 5
VENT RATE (KT-FT) 81600 11960
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 42F/4AM
DISPERSION 4 1
MAX ADI EARLY 40 FAIR 24 FAIR 16 GEN POOR
MAX ADI LATE 70 GOOD 11 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-202030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 61 (+8) 36 (+1) 58
RH % (24H TREND) 62 (+6) 91 (-1) 43
WIND 20FT/EARLY(MPH) SW 9 G22 NW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.08 0.03 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 1060 890
MIXING HGT(FT-AGL/MSL)3490 2920
TRANSPORT WND (MPH) W 25 S 5
VENT RATE (KT-FT) 76780 11680
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 41F/4AM
DISPERSION 4 1
MAX ADI EARLY 41 GEN GOOD 25 FAIR 17 GEN POOR
MAX ADI LATE 69 GOOD 12 POOR 16 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-202030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 65 (+9) 37 (0) 62
RH % (24H TREND) 58 (+13) 95 (+5) 43
WIND 20FT/EARLY(MPH) S 7 G18 NW 6 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1210 980
MIXING HGT(FT-AGL/MSL)3970 3220
TRANSPORT WND (MPH) W 25 S 6
VENT RATE (KT-FT) 87340 16100
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 44F/4AM
DISPERSION 4 2
MAX ADI EARLY 37 FAIR 29 FAIR 17 GEN POOR
MAX ADI LATE 69 GOOD 11 POOR 26 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-202030-
HARRISON-
INCLUDING THE CITY OF CADIZ
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 63 (+8) 38 (+2) 61
RH % (24H TREND) 60 (+13) 91 (+1) 43
WIND 20FT/EARLY(MPH) SW 9 G22 NW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.05 0.04 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 980 970
MIXING HGT(FT-AGL/MSL)3200 3190
TRANSPORT WND (MPH) SW 24 S 5
VENT RATE (KT-FT) 67200 12760
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 44F/4AM
DISPERSION 4 1
MAX ADI EARLY 39 FAIR 25 FAIR 16 GEN POOR
MAX ADI LATE 60 GEN GOOD 11 POOR 20 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-202030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+8) 38 (+2) 59
RH % (24H TREND) 58 (+12) 90 (+1) 42
WIND 20FT/EARLY(MPH) SW 9 G21 NW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.06 0.06 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1010 930
MIXING HGT(FT-AGL/MSL)3330 3060
TRANSPORT WND (MPH) SW 24 S 5
VENT RATE (KT-FT) 69930 12240
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 44F/4AM
DISPERSION 4 1
MAX ADI EARLY 41 GEN GOOD 25 FAIR 16 GEN POOR
MAX ADI LATE 65 GOOD 10 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-202030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 50 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 66 (+9) 39 (+1) 63
RH % (24H TREND) 57 (+18) 95 (+9) 43
WIND 20FT/EARLY(MPH) S 7 G18 NW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 1140 1000
MIXING HGT(FT-AGL/MSL)3730 3270
TRANSPORT WND (MPH) W 26 S 6
VENT RATE (KT-FT) 85790 16350
CATEGORY DAY 4 2
INVERSION 52F/10AM 7PM 46F/4AM
DISPERSION 4 2
MAX ADI EARLY 42 GEN GOOD 30 FAIR 20 GEN POOR
MAX ADI LATE 73 GOOD 10 POOR 24 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-202030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 65 (+8) 40 (+2) 62
RH % (24H TREND) 58 (+15) 94 (+8) 42
WIND 20FT/EARLY(MPH) S 7 G20 NW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.08 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1110 990
MIXING HGT(FT-AGL/MSL)3640 3250
TRANSPORT WND (MPH) W 24 S 6
VENT RATE (KT-FT) 76440 16250
CATEGORY DAY 4 2
INVERSION 52F/10AM 8PM 46F/4AM
DISPERSION 4 2
MAX ADI EARLY 42 GEN GOOD 26 FAIR 16 GEN POOR
MAX ADI LATE 64 GOOD 10 POOR 22 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-202030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 63 (+7) 40 (+2) 62
RH % (24H TREND) 57 (+9) 93 (+6) 42
WIND 20FT/EARLY(MPH) S 9 G22 W 7 G18 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.10 0.10 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 1010 1010
MIXING HGT(FT-AGL/MSL)3320 3330
TRANSPORT WND (MPH) SW 24 S 5
VENT RATE (KT-FT) 69720 13320
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 46F/4AM
DISPERSION 4 2
MAX ADI EARLY 35 FAIR 27 FAIR 16 GEN POOR
MAX ADI LATE 66 GOOD 10 POOR 19 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-202030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 65 (+7) 41 (+4) 63
RH % (24H TREND) 57 (+19) 95 (+8) 45
WIND 20FT/EARLY(MPH) S 7 G19 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.08 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 980 1010
MIXING HGT(FT-AGL/MSL)3210 3320
TRANSPORT WND (MPH) SW 22 S 6
VENT RATE (KT-FT) 60990 16600
CATEGORY DAY 4 2
INVERSION 51F/10AM 8PM 48F/4AM
DISPERSION 4 2
MAX ADI EARLY 39 FAIR 25 FAIR 18 GEN POOR
MAX ADI LATE 57 GEN GOOD 9 POOR 23 FAIR
MAX LVORI EARLY 4 4 6
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-202030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 60 50 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 64 (+7) 41 (+4) 63
RH % (24H TREND) 56 (+12) 93 (+6) 44
WIND 20FT/EARLY(MPH) S 7 G21 W 6 G18 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.11 0.11 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 930 1060
MIXING HGT(FT-AGL/MSL)3040 3490
TRANSPORT WND (MPH) SW 24 S 6
VENT RATE (KT-FT) 63840 17450
CATEGORY DAY 4 2
INVERSION 51F/10AM 8PM 48F/4AM
DISPERSION 4 2
MAX ADI EARLY 44 GEN GOOD 29 FAIR 17 GEN POOR
MAX ADI LATE 61 GOOD 9 POOR 23 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-202030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 80 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 59 (+10) 35 (+1) 57
RH % (24H TREND) 69 (+10) 95 (0) 48
WIND 20FT/EARLY(MPH) S 9 G19 NW 6 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G21 N 5 LGT/VAR
PRECIP AMOUNT 0.10 0.01 0.00
PRECIP DURATION 4 0
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 800 840
MIXING HGT(FT-AGL/MSL)2630 2760
TRANSPORT WND (MPH) W 21 SW 5
VENT RATE (KT-FT) 47340 11040
CATEGORY DAY 3 1
INVERSION 48F/10AM 7PM 38F/4AM
DISPERSION 3 1
MAX ADI EARLY 31 FAIR 14 GEN POOR 19 GEN POOR
MAX ADI LATE 45 GEN GOOD 12 POOR 17 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-202030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 90 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 57 (+9) 34 (+2) 56
RH % (24H TREND) 74 (+13) 97 (-1) 49
WIND 20FT/EARLY(MPH) S 7 G19 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.02 0.00
PRECIP DURATION 4 0
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 700 950
MIXING HGT(FT-AGL/MSL)2310 3100
TRANSPORT WND (MPH) W 22 W 5
VENT RATE (KT-FT) 43890 12400
CATEGORY DAY 3 1
INVERSION 46F/10AM 7PM 38F/4AM
DISPERSION 3 1
MAX ADI EARLY 39 FAIR 10 POOR 21 FAIR
MAX ADI LATE 44 GEN GOOD 11 POOR 18 GEN POOR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-202030-
FOREST-
INCLUDING THE CITY OF TIONESTA
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN RAIN NONE
CHANCE PRECIP (%) 90 30 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 54 (+8) 33 (+2) 54
RH % (24H TREND) 74 (+15) 96 (-2) 44
WIND 20FT/EARLY(MPH) S 6 G19 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 8 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.25 0.02 0.00
PRECIP DURATION 5 0
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT(M-AGL/MSL) 650 980
MIXING HGT(FT-AGL/MSL)2120 3220
TRANSPORT WND (MPH) W 18 W 5
VENT RATE (KT-FT) 33920 12880
CATEGORY DAY 3 1
INVERSION 45F/10AM 7PM 38F/4AM
DISPERSION 3 1
MAX ADI EARLY 48 GEN GOOD 9 POOR 24 FAIR
MAX ADI LATE 47 GEN GOOD 10 POOR 22 FAIR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-202030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 30 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 61 (+9) 35 (0) 58
RH % (24H TREND) 64 (+8) 94 (-1) 45
WIND 20FT/EARLY(MPH) S 8 G18 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.02 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 920 850
MIXING HGT(FT-AGL/MSL)3030 2800
TRANSPORT WND (MPH) SW 24 SW 3
VENT RATE (KT-FT) 63630 8400
CATEGORY DAY 4 1
INVERSION 49F/10AM 7PM 40F/4AM
DISPERSION 4 1
MAX ADI EARLY 34 FAIR 17 GEN POOR 21 FAIR
MAX ADI LATE 59 GEN GOOD 12 POOR 17 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-202030-
BUTLER-
INCLUDING THE CITY OF BUTLER
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 59 (+8) 35 (+1) 57
RH % (24H TREND) 69 (+12) 97 (-2) 48
WIND 20FT/EARLY(MPH) S 7 G18 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.04 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 760 890
MIXING HGT(FT-AGL/MSL)2480 2910
TRANSPORT WND (MPH) SW 26 SW 5
VENT RATE (KT-FT) 57040 11640
CATEGORY DAY 4 1
INVERSION 48F/10AM 7PM 39F/4AM
DISPERSION 4 1
MAX ADI EARLY 37 FAIR 15 GEN POOR 21 FAIR
MAX ADI LATE 54 GEN GOOD 11 POOR 18 GEN POOR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-202030-
CLARION-
INCLUDING THE CITY OF CLARION
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 57 (+9) 35 (+3) 56
RH % (24H TREND) 72 (+13) 96 (-2) 47
WIND 20FT/EARLY(MPH) S 7 G19 NW 5 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.03 0.00
PRECIP DURATION 5 0
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT(M-AGL/MSL) 630 940
MIXING HGT(FT-AGL/MSL)2060 3090
TRANSPORT WND (MPH) SW 25 W 5
VENT RATE (KT-FT) 45320 12360
CATEGORY DAY 3 1
INVERSION 45F/10AM 7PM 39F/4AM
DISPERSION 3 1
MAX ADI EARLY 39 FAIR 11 POOR 22 FAIR
MAX ADI LATE 48 GEN GOOD 10 POOR 19 GEN POOR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-202030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 40 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 56 (+10) 35 (+3) 54
RH % (24H TREND) 67 (+7) 93 (-1) 46
WIND 20FT/EARLY(MPH) S 7 G19 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.21 0.05 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 690 960
MIXING HGT(FT-AGL/MSL)2260 3150
TRANSPORT WND (MPH) SW 29 W 6
VENT RATE (KT-FT) 56500 15750
CATEGORY DAY 4 2
INVERSION 46F/10AM 7PM 41F/4AM
DISPERSION 4 2
MAX ADI EARLY 45 GEN GOOD 15 GEN POOR 24 FAIR
MAX ADI LATE 55 GEN GOOD 9 POOR 23 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-202030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 61 (+8) 37 (+1) 58
RH % (24H TREND) 61 (+10) 92 (-1) 43
WIND 20FT/EARLY(MPH) S 7 G20 NW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.12 0.05 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1020 880
MIXING HGT(FT-AGL/MSL)3350 2890
TRANSPORT WND (MPH) SW 25 SW 5
VENT RATE (KT-FT) 73700 11560
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 42F/4AM
DISPERSION 4 1
MAX ADI EARLY 41 GEN GOOD 24 FAIR 19 GEN POOR
MAX ADI LATE 63 GOOD 11 POOR 16 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-202030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+8) 38 (+2) 58
RH % (24H TREND) 56 (+6) 93 (-2) 45
WIND 20FT/EARLY(MPH) S 8 G20 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 13 G23 NW 5 LGT/VAR
PRECIP AMOUNT 0.13 0.09 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 930 830
MIXING HGT(FT-AGL/MSL)3050 2720
TRANSPORT WND (MPH) SW 26 SW 5
VENT RATE (KT-FT) 70150 10880
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 44F/4AM
DISPERSION 4 1
MAX ADI EARLY 37 FAIR 22 FAIR 19 GEN POOR
MAX ADI LATE 62 GOOD 10 POOR 15 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-202030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 50 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 59 (+9) 36 (+2) 57
RH % (24H TREND) 64 (+8) 98 (-1) 48
WIND 20FT/EARLY(MPH) S 7 G19 W 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.05 0.00
PRECIP DURATION 5 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 740 940
MIXING HGT(FT-AGL/MSL)2410 3070
TRANSPORT WND (MPH) SW 28 W 5
VENT RATE (KT-FT) 57840 12280
CATEGORY DAY 4 1
INVERSION 48F/10AM 7PM 42F/4AM
DISPERSION 4 1
MAX ADI EARLY 38 FAIR 14 GEN POOR 22 FAIR
MAX ADI LATE 56 GEN GOOD 10 POOR 20 GEN POOR
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-202030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+7) 39 (+3) 59
RH % (24H TREND) 55 (+8) 92 (+1) 44
WIND 20FT/EARLY(MPH) SW 9 G21 W 8 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 13 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.10 0.10 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 950 910
MIXING HGT(FT-AGL/MSL)3120 2970
TRANSPORT WND (MPH) SW 28 S 5
VENT RATE (KT-FT) 74880 11880
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 45F/4AM
DISPERSION 4 1
MAX ADI EARLY 41 GEN GOOD 29 FAIR 16 GEN POOR
MAX ADI LATE 64 GOOD 10 POOR 15 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-202030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+7) 41 (+5) 61
RH % (24H TREND) 53 (+3) 95 (+4) 44
WIND 20FT/EARLY(MPH) SW 7 G20 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.12 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 960 1080
MIXING HGT(FT-AGL/MSL)3140 3540
TRANSPORT WND (MPH) SW 31 SW 5
VENT RATE (KT-FT) 84780 14160
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 47F/4AM
DISPERSION 4 2
MAX ADI EARLY 55 GEN GOOD 30 FAIR 17 GEN POOR
MAX ADI LATE 74 GOOD 9 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-202030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+8) 38 (+2) 59
RH % (24H TREND) 54 (+3) 96 (0) 47
WIND 20FT/EARLY(MPH) S 9 G21 W 8 G19 LGT/VAR
WIND 20FT/LATE(MPH) SW 14 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.15 0.12 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 950 810
MIXING HGT(FT-AGL/MSL)3130 2660
TRANSPORT WND (MPH) SW 29 SW 5
VENT RATE (KT-FT) 78250 10640
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 45F/4AM
DISPERSION 4 1
MAX ADI EARLY 44 GEN GOOD 23 FAIR 18 GEN POOR
MAX ADI LATE 66 GOOD 9 POOR 14 GEN POOR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-202030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+12) 39 (+3) 59
RH % (24H TREND) 52 (+1) 96 (+8) 45
WIND 20FT/EARLY(MPH) SW 7 G21 W 8 G21 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.19 0.20 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 1160 850
MIXING HGT(FT-AGL/MSL)3790 2790
TRANSPORT WND (MPH) SW 31 W 5
VENT RATE (KT-FT) 102330 11160
CATEGORY DAY 5 1
INVERSION 52F/10AM 7PM 46F/4AM
DISPERSION 5 1
MAX ADI EARLY 61 GOOD 26 FAIR 15 GEN POOR
MAX ADI LATE 78 GOOD 8 POOR 13 GEN POOR
MAX LVORI EARLY 4 5 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-202030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+8) 41 (+4) 61
RH % (24H TREND) 52 (+4) 94 (+4) 45
WIND 20FT/EARLY(MPH) S 7 G19 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.13 0.15 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 890 820
MIXING HGT(FT-AGL/MSL)2910 2680
TRANSPORT WND (MPH) SW 28 SW 3
VENT RATE (KT-FT) 69840 8040
CATEGORY DAY 4 1
INVERSION 52F/10AM 7PM 48F/4AM
DISPERSION 4 1
MAX ADI EARLY 53 GEN GOOD 25 FAIR 18 GEN POOR
MAX ADI LATE 65 GOOD 8 POOR 11 POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-202030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 60 (+9) 40 (+4) 60
RH % (24H TREND) 53 (-1) 99 (+11) 46
WIND 20FT/EARLY(MPH) SW 6 G19 W 6 G19 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.20 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 970 860
MIXING HGT(FT-AGL/MSL)3180 2810
TRANSPORT WND (MPH) SW 29 W 3
VENT RATE (KT-FT) 79500 8430
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 42F/9AM
DISPERSION 4 1
MAX ADI EARLY 57 GEN GOOD 23 FAIR 11 POOR
MAX ADI LATE 74 GOOD 8 POOR 12 POOR
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-202030-
INDIANA-
INCLUDING THE CITY OF INDIANA
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 60 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 59 (+11) 38 (+4) 57
RH % (24H TREND) 59 (+4) 96 (-1) 48
WIND 20FT/EARLY(MPH) S 7 G19 W 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.08 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 870 900
MIXING HGT(FT-AGL/MSL)2850 2960
TRANSPORT WND (MPH) SW 30 W 6
VENT RATE (KT-FT) 74100 14800
CATEGORY DAY 4 2
INVERSION 50F/10AM 7PM 44F/4AM
DISPERSION 4 2
MAX ADI EARLY 48 GEN GOOD 21 FAIR 22 FAIR
MAX ADI LATE 63 GOOD 9 POOR 23 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-202030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 90 60 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 60 (+12) 39 (+4) 58
RH % (24H TREND) 56 (+3) 95 (+1) 47
WIND 20FT/EARLY(MPH) S 7 G20 W 7 G20 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.19 0.12 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 970 850
MIXING HGT(FT-AGL/MSL)3190 2780
TRANSPORT WND (MPH) SW 31 W 6
VENT RATE (KT-FT) 86130 13900
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 45F/4AM
DISPERSION 4 2
MAX ADI EARLY 59 GEN GOOD 25 FAIR 19 GEN POOR
MAX ADI LATE 73 GOOD 9 POOR 23 FAIR
MAX LVORI EARLY 5 5 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-202030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+7) 38 (+1) 59
RH % (24H TREND) 60 (+10) 90 (0) 42
WIND 20FT/EARLY(MPH) S 8 G20 NW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 11 G22 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.07 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT(M-AGL/MSL) 1090 950
MIXING HGT(FT-AGL/MSL)3570 3120
TRANSPORT WND (MPH) W 25 SW 5
VENT RATE (KT-FT) 78540 12480
CATEGORY DAY 4 1
INVERSION 50F/10AM 7PM 43F/4AM
DISPERSION 4 1
MAX ADI EARLY 40 FAIR 25 FAIR 18 GEN POOR
MAX ADI LATE 66 GOOD 10 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-202030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+8) 40 (+2) 60
RH % (24H TREND) 56 (+11) 90 (+3) 42
WIND 20FT/EARLY(MPH) S 9 G21 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.08 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 1030 960
MIXING HGT(FT-AGL/MSL)3380 3140
TRANSPORT WND (MPH) SW 25 S 5
VENT RATE (KT-FT) 74360 12560
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 46F/4AM
DISPERSION 4 1
MAX ADI EARLY 38 FAIR 26 FAIR 20 GEN POOR
MAX ADI LATE 65 GOOD 10 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-202030-
OHIO-
INCLUDING THE CITY OF WHEELING
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+6) 40 (+2) 61
RH % (24H TREND) 57 (+13) 92 (+5) 43
WIND 20FT/EARLY(MPH) S 9 G22 W 8 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 12 G23 N 5 LGT/VAR
PRECIP AMOUNT 0.08 0.06 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT(M-AGL/MSL) 1020 990
MIXING HGT(FT-AGL/MSL)3350 3240
TRANSPORT WND (MPH) SW 25 S 5
VENT RATE (KT-FT) 73700 12960
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 46F/4AM
DISPERSION 4 1
MAX ADI EARLY 38 FAIR 27 FAIR 15 GEN POOR
MAX ADI LATE 62 GOOD 9 POOR 17 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-202030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 50 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 63 (+7) 42 (+4) 63
RH % (24H TREND) 57 (+7) 92 (+7) 44
WIND 20FT/EARLY(MPH) S 8 G21 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.12 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT(M-AGL/MSL) 920 1080
MIXING HGT(FT-AGL/MSL)3020 3530
TRANSPORT WND (MPH) SW 24 SW 5
VENT RATE (KT-FT) 63420 14120
CATEGORY DAY 4 2
INVERSION 51F/10AM 7PM 48F/4AM
DISPERSION 4 2
MAX ADI EARLY 48 GEN GOOD 30 FAIR 16 GEN POOR
MAX ADI LATE 63 GOOD 9 POOR 19 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-202030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+6) 42 (+4) 62
RH % (24H TREND) 56 (+6) 94 (+8) 47
WIND 20FT/EARLY(MPH) S 7 G20 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.14 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT(M-AGL/MSL) 950 1110
MIXING HGT(FT-AGL/MSL)3130 3630
TRANSPORT WND (MPH) SW 28 SW 5
VENT RATE (KT-FT) 75120 14520
CATEGORY DAY 4 2
INVERSION 51F/10AM 8PM 48F/4AM
DISPERSION 4 2
MAX ADI EARLY 50 GEN GOOD 29 FAIR 15 GEN POOR
MAX ADI LATE 77 GOOD 8 POOR 19 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-202030-
MARION-
INCLUDING THE CITY OF FAIRMONT
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+6) 43 (+7) 62
RH % (24H TREND) 53 (+2) 97 (+6) 47
WIND 20FT/EARLY(MPH) SW 6 G18 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.13 0.20 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1090 1130
MIXING HGT(FT-AGL/MSL)3590 3710
TRANSPORT WND (MPH) SW 30 W 5
VENT RATE (KT-FT) 93340 14840
CATEGORY DAY 4 2
INVERSION 52F/10AM 8PM 48F/4AM
DISPERSION 4 2
MAX ADI EARLY 51 GEN GOOD 29 FAIR 16 GEN POOR
MAX ADI LATE 79 GOOD 8 POOR 20 GEN POOR
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 2 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-202030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+7) 42 (+5) 62
RH % (24H TREND) 52 (+2) 95 (+7) 45
WIND 20FT/EARLY(MPH) S 7 G19 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.19 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1010 1090
MIXING HGT(FT-AGL/MSL)3320 3570
TRANSPORT WND (MPH) SW 30 SW 5
VENT RATE (KT-FT) 86320 14280
CATEGORY DAY 4 2
INVERSION 52F/10AM 8PM 49F/4AM
DISPERSION 4 2
MAX ADI EARLY 52 GEN GOOD 28 FAIR 17 GEN POOR
MAX ADI LATE 78 GOOD 8 POOR 18 GEN POOR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-202030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 60 (+8) 41 (+5) 59
RH % (24H TREND) 52 (-2) 100 (+13) 47
WIND 20FT/EARLY(MPH) SW 6 G18 W 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.28 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 810 780
MIXING HGT(FT-AGL/MSL)2670 2570
TRANSPORT WND (MPH) SW 28 W 5
VENT RATE (KT-FT) 64080 10280
CATEGORY DAY 4 1
INVERSION 55F/11AM 7PM 45F/10AM
DISPERSION 4 1
MAX ADI EARLY 44 GEN GOOD 22 FAIR 9 POOR
MAX ADI LATE 68 GOOD 8 POOR 12 POOR
MAX LVORI EARLY 4 5 8
MAX LVORI LATE 2 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-202030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+9) 41 (+5) 62
RH % (24H TREND) 50 (-2) 99 (+9) 45
WIND 20FT/EARLY(MPH) S 5 G17 W 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) SW 9 G21 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.17 0.30 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1010 960
MIXING HGT(FT-AGL/MSL)3330 3140
TRANSPORT WND (MPH) SW 29 W 5
VENT RATE (KT-FT) 83250 12560
CATEGORY DAY 4 1
INVERSION 51F/10AM 7PM 48F/4AM
DISPERSION 4 1
MAX ADI EARLY 60 GEN GOOD 24 FAIR 11 POOR
MAX ADI LATE 90 GOOD 8 POOR 16 GEN POOR
MAX LVORI EARLY 4 5 7
MAX LVORI LATE 1 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-202030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 80 60 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 61 (+11) 41 (+6) 60
RH % (24H TREND) 49 (-7) 99 (+11) 45
WIND 20FT/EARLY(MPH) SW 6 G19 W 8 G20 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G23 NW 5 LGT/VAR
PRECIP AMOUNT 0.17 0.38 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1070 920
MIXING HGT(FT-AGL/MSL)3520 3020
TRANSPORT WND (MPH) SW 32 W 6
VENT RATE (KT-FT) 98560 15100
CATEGORY DAY 4 2
INVERSION 50F/10AM 7PM 46F/10AM
DISPERSION 4 2
MAX ADI EARLY 66 GOOD 23 FAIR 12 POOR
MAX ADI LATE 89 GOOD 9 POOR 18 GEN POOR
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 2 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-202030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 70 0
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 62 (+9) 44 (+9) 63
RH % (24H TREND) 46 (-5) 98 (+10) 43
WIND 20FT/EARLY(MPH) SW 5 G18 W 7 G20 LGT/VAR
WIND 20FT/LATE(MPH) SW 10 G23 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.32 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1310 1100
MIXING HGT(FT-AGL/MSL)4310 3610
TRANSPORT WND (MPH) SW 33 W 6
VENT RATE (KT-FT) 124990 18050
CATEGORY DAY 5 2
INVERSION 50F/10AM 7PM 47F/5AM
DISPERSION 5 2
MAX ADI EARLY 90 GOOD 26 FAIR 14 GEN POOR
MAX ADI LATE 102 VERY GOOD10 POOR 19 GEN POOR
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-202030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1242 AM EDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE RAIN TSTMS NONE
CHANCE PRECIP (%) 70 60 0
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 59 (+11) 41 (+8) 60
RH % (24H TREND) 51 (-8) 100 (+11) 45
WIND 20FT/EARLY(MPH) SW 6 G24 W 10 G29 LGT/VAR
WIND 20FT/LATE(MPH) W 11 G30 W 7 G23 W 5
PRECIP AMOUNT 0.14 0.32 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT(M-AGL/MSL) 1340 1230
MIXING HGT(FT-AGL/MSL)4400 4020
TRANSPORT WND (MPH) W 36 W 7
VENT RATE (KT-FT) 136400 24120
CATEGORY DAY 5 2
INVERSION 48F/10AM 7PM 47F/10AM
DISPERSION 5 2
MAX ADI EARLY 81 GOOD 30 FAIR 16 GEN POOR
MAX ADI LATE 103 VERY GOOD18 GEN POOR 28 FAIR
MAX LVORI EARLY 4 4 5
MAX LVORI LATE 2 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. RAIN LIKELY. MUCH COOLER. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER
50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN. WARMER. LOWS IN THE
MID 30S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.
LUPO
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