774
FNUS51 KPBZ 290431
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1231 AM EDT FRI MAY 29 2026
DISCUSSION
DRY WEATHER WITH SEASONABLE TEMPERATURES THROUGH THE WEEKEND UNDER
SURFACE HIGH PRESSURE. WEST-NORTHWEST WIND ON FRIDAY AROUND 8-10
MPH GUSTING TO 15-20 MPH AT TIMES IN THE HIGHER ELEVATION. WIND
WILL BE A BIT GUSTIER ON SATURDAY AREAWIDE OUT OF THE NORTHWEST
AROUND 10 MPH GUSTING TO 20-25 MPH. MINRH VALUES HOLD AROUND 40%
THROUGH THE WEEKEND.
OHZ039-292030-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 53 (+4) 71
RH % (24H TREND) 41 (0) 78 (-14) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1210 1490
MIXING HGT(FT-AGL/MSL)3970 4870
TRANSPORT WND (MPH) NW 10 NE 16
VENT RATE (KT-FT) 35730 68180
CATEGORY DAY 3 4
INVERSION 63F/10AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 18 GEN POOR 5 VERY POOR 61 GOOD
MAX ADI LATE 51 GEN GOOD 9 POOR 93 GOOD
MAX LVORI EARLY 6 4 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-292030-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 52 (+3) 70
RH % (24H TREND) 40 (-2) 74 (-16) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 8
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1220 1470
MIXING HGT(FT-AGL/MSL)3990 4810
TRANSPORT WND (MPH) W 14 N 17
VENT RATE (KT-FT) 47880 72150
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 54F/8AM
DISPERSION 3 4
MAX ADI EARLY 21 FAIR 6 VERY POOR 62 GOOD
MAX ADI LATE 65 GOOD 9 POOR 95 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-292030-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 51 (+2) 70
RH % (24H TREND) 38 (-4) 71 (-19) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) W 5 N 5 NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1360 1470
MIXING HGT(FT-AGL/MSL)4450 4810
TRANSPORT WND (MPH) W 15 N 18
VENT RATE (KT-FT) 57850 76960
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 53F/8AM
DISPERSION 4 4
MAX ADI EARLY 21 FAIR 11 POOR 62 GOOD
MAX ADI LATE 80 GOOD 10 POOR 100 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-292030-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 52 (+3) 71
RH % (24H TREND) 41 (-2) 81 (-14) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1200 1380
MIXING HGT(FT-AGL/MSL)3950 4510
TRANSPORT WND (MPH) NW 8 NE 18
VENT RATE (KT-FT) 27650 72160
CATEGORY DAY 3 4
INVERSION 63F/10AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 61 GOOD
MAX ADI LATE 40 FAIR 6 VERY POOR 94 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-292030-
HARRISON-
INCLUDING THE CITY OF CADIZ
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 52 (+3) 71
RH % (24H TREND) 39 (0) 81 (-11) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1210 1490
MIXING HGT(FT-AGL/MSL)3960 4890
TRANSPORT WND (MPH) W 10 N 16
VENT RATE (KT-FT) 35640 68460
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 6 VERY POOR 59 GEN GOOD
MAX ADI LATE 53 GEN GOOD 7 POOR 95 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-292030-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 52 (+3) 71
RH % (24H TREND) 37 (-2) 76 (-12) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1510
MIXING HGT(FT-AGL/MSL)4130 4950
TRANSPORT WND (MPH) W 13 N 17
VENT RATE (KT-FT) 45430 74250
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 17 GEN POOR 7 POOR 58 GEN GOOD
MAX ADI LATE 64 GOOD 7 POOR 96 GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-292030-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+1) 52 (+3) 72
RH % (24H TREND) 40 (0) 88 (-8) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1130 1380
MIXING HGT(FT-AGL/MSL)3710 4530
TRANSPORT WND (MPH) W 7 NE 18
VENT RATE (KT-FT) 22260 72480
CATEGORY DAY 2 4
INVERSION 57F/9AM 8PM 57F/8AM
DISPERSION 2 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 37 FAIR 5 VERY POOR 92 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-292030-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (+2) 52 (+3) 72
RH % (24H TREND) 40 (+1) 87 (-7) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1200 1450
MIXING HGT(FT-AGL/MSL)3920 4760
TRANSPORT WND (MPH) W 8 N 17
VENT RATE (KT-FT) 27440 71400
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 59 GEN GOOD
MAX ADI LATE 39 FAIR 5 VERY POOR 94 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-292030-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+2) 52 (+3) 72
RH % (24H TREND) 40 (+2) 87 (-5) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1220 1470
MIXING HGT(FT-AGL/MSL)4010 4820
TRANSPORT WND (MPH) W 10 N 17
VENT RATE (KT-FT) 36090 72300
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 5 VERY POOR 59 GEN GOOD
MAX ADI LATE 48 GEN GOOD 6 VERY POOR 91 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-292030-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (+1) 51 (+1) 73
RH % (24H TREND) 39 (-1) 91 (-5) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1140 1390
MIXING HGT(FT-AGL/MSL)3740 4540
TRANSPORT WND (MPH) NW 8 NE 17
VENT RATE (KT-FT) 26180 68100
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 59 GEN GOOD
MAX ADI LATE 37 FAIR 5 VERY POOR 92 GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-292030-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (+1) 52 (+1) 73
RH % (24H TREND) 39 (-1) 89 (-4) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1190 1400
MIXING HGT(FT-AGL/MSL)3900 4580
TRANSPORT WND (MPH) W 8 NE 17
VENT RATE (KT-FT) 27300 68700
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 40 FAIR 5 VERY POOR 90 GOOD
MAX LVORI EARLY 6 4 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-292030-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+7) 48 (+1) 70
RH % (24H TREND) 37 (-9) 68 (-25) 42
WIND 20FT/EARLY(MPH) LGT/VAR W 5 NE 6
WIND 20FT/LATE(MPH) W 6 N 6 N 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1370 1560
MIXING HGT(FT-AGL/MSL)4510 5120
TRANSPORT WND (MPH) W 17 NE 17
VENT RATE (KT-FT) 67650 76800
CATEGORY DAY 4 4
INVERSION 58F/9AM 7PM 50F/7AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 11 POOR 68 GOOD
MAX ADI LATE 87 GOOD 11 POOR 96 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-292030-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+8) 47 (+1) 68
RH % (24H TREND) 37 (-9) 70 (-20) 40
WIND 20FT/EARLY(MPH) LGT/VAR W 5 NE 6
WIND 20FT/LATE(MPH) W 6 N 5 N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1400 1750
MIXING HGT(FT-AGL/MSL)4600 5730
TRANSPORT WND (MPH) W 18 NE 17
VENT RATE (KT-FT) 73600 85950
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 48F/7AM
DISPERSION 4 4
MAX ADI EARLY 39 FAIR 12 POOR 77 GOOD
MAX ADI LATE 98 GOOD 10 POOR 116 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-292030-
FOREST-
INCLUDING THE CITY OF TIONESTA
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+7) 45 (0) 67
RH % (24H TREND) 33 (-13) 71 (-19) 36
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G18 N 5
WIND 20FT/LATE(MPH) W 6 G18 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1480 1810
MIXING HGT(FT-AGL/MSL)4850 5920
TRANSPORT WND (MPH) W 20 N 18
VENT RATE (KT-FT) 82450 94720
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 46F/7AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 14 GEN POOR 85 GOOD
MAX ADI LATE 111 VERY GOOD12 POOR 124 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-292030-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+6) 50 (+3) 71
RH % (24H TREND) 36 (-9) 69 (-23) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 5
WIND 20FT/LATE(MPH) W 5 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1440 1560
MIXING HGT(FT-AGL/MSL)4720 5120
TRANSPORT WND (MPH) W 17 N 17
VENT RATE (KT-FT) 70800 76800
CATEGORY DAY 4 4
INVERSION 59F/9AM 7PM 51F/7AM
DISPERSION 4 4
MAX ADI EARLY 25 FAIR 11 POOR 66 GOOD
MAX ADI LATE 94 GOOD 8 POOR 101 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-292030-
BUTLER-
INCLUDING THE CITY OF BUTLER
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 49 (+1) 70
RH % (24H TREND) 40 (-6) 71 (-20) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) W 6 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1450 1830
MIXING HGT(FT-AGL/MSL)4750 5990
TRANSPORT WND (MPH) W 18 N 16
VENT RATE (KT-FT) 76000 83860
CATEGORY DAY 4 4
INVERSION 59F/9AM 8PM 51F/7AM
DISPERSION 4 4
MAX ADI EARLY 29 FAIR 12 POOR 67 GOOD
MAX ADI LATE 97 GOOD 10 POOR 107 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-292030-
CLARION-
INCLUDING THE CITY OF CLARION
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+7) 47 (0) 69
RH % (24H TREND) 37 (-9) 68 (-22) 38
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G17 N 6
WIND 20FT/LATE(MPH) W 6 G17 N 5 N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1470 1910
MIXING HGT(FT-AGL/MSL)4820 6250
TRANSPORT WND (MPH) W 20 N 17
VENT RATE (KT-FT) 81940 93750
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 48F/7AM
DISPERSION 4 4
MAX ADI EARLY 36 FAIR 13 GEN POOR 78 GOOD
MAX ADI LATE 107 VERY GOOD9 POOR 120 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-292030-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+6) 46 (-1) 67
RH % (24H TREND) 36 (-6) 67 (-20) 36
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G19 N 6
WIND 20FT/LATE(MPH) W 7 G19 N 5 N 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1500 1960
MIXING HGT(FT-AGL/MSL)4920 6410
TRANSPORT WND (MPH) W 21 N 18
VENT RATE (KT-FT) 88560 102560
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 48F/7AM
DISPERSION 4 4
MAX ADI EARLY 41 GEN GOOD 15 GEN POOR 80 GOOD
MAX ADI LATE 106 VERY GOOD9 POOR 125 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-292030-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 52 (+2) 71
RH % (24H TREND) 36 (-5) 70 (-18) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1410 1610
MIXING HGT(FT-AGL/MSL)4640 5270
TRANSPORT WND (MPH) W 16 NE 17
VENT RATE (KT-FT) 64960 79050
CATEGORY DAY 4 4
INVERSION 59F/9AM 8PM 54F/7AM
DISPERSION 4 4
MAX ADI EARLY 22 FAIR 12 POOR 60 GEN GOOD
MAX ADI LATE 84 GOOD 6 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-292030-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 53 (+3) 71
RH % (24H TREND) 38 (-2) 72 (-16) 38
WIND 20FT/EARLY(MPH) LGT/VAR W 5 NE 7
WIND 20FT/LATE(MPH) W 5 LGT/VAR NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1470 1710
MIXING HGT(FT-AGL/MSL)4820 5620
TRANSPORT WND (MPH) W 16 N 16
VENT RATE (KT-FT) 67480 78680
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 54F/7AM
DISPERSION 4 4
MAX ADI EARLY 17 GEN POOR 11 POOR 61 GOOD
MAX ADI LATE 87 GOOD 7 POOR 104 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-292030-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+4) 49 (+1) 70
RH % (24H TREND) 40 (-3) 73 (-18) 40
WIND 20FT/EARLY(MPH) LGT/VAR W 5 N 6
WIND 20FT/LATE(MPH) W 6 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1480 1920
MIXING HGT(FT-AGL/MSL)4850 6280
TRANSPORT WND (MPH) W 18 N 16
VENT RATE (KT-FT) 77600 87920
CATEGORY DAY 4 4
INVERSION 59F/9AM 8PM 50F/7AM
DISPERSION 4 4
MAX ADI EARLY 28 FAIR 12 POOR 68 GOOD
MAX ADI LATE 102 VERY GOOD8 POOR 112 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-292030-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 52 (+2) 70
RH % (24H TREND) 41 (+2) 79 (-10) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1290 1570
MIXING HGT(FT-AGL/MSL)4240 5140
TRANSPORT WND (MPH) W 14 NE 17
VENT RATE (KT-FT) 50880 77100
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 54F/7AM
DISPERSION 3 4
MAX ADI EARLY 13 GEN POOR 9 POOR 58 GEN GOOD
MAX ADI LATE 70 GOOD 5 VERY POOR 100 GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-292030-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+2) 52 (+2) 70
RH % (24H TREND) 42 (+3) 83 (-8) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1260 1500
MIXING HGT(FT-AGL/MSL)4140 4930
TRANSPORT WND (MPH) W 13 N 17
VENT RATE (KT-FT) 45540 73950
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 59 GEN GOOD
MAX ADI LATE 62 GOOD 5 VERY POOR 97 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-292030-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+3) 51 (+2) 70
RH % (24H TREND) 42 (0) 81 (-11) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 6
WIND 20FT/LATE(MPH) W 5 LGT/VAR N 8
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1480 1790
MIXING HGT(FT-AGL/MSL)4870 5870
TRANSPORT WND (MPH) W 15 N 16
VENT RATE (KT-FT) 63310 82180
CATEGORY DAY 4 4
INVERSION 59F/9AM 7PM 53F/7AM
DISPERSION 4 4
MAX ADI EARLY 17 GEN POOR 10 POOR 58 GEN GOOD
MAX ADI LATE 86 GOOD 5 VERY POOR 99 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-292030-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+6) 51 (+2) 71
RH % (24H TREND) 38 (-5) 77 (-8) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 G17 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1360 1780
MIXING HGT(FT-AGL/MSL)4470 5830
TRANSPORT WND (MPH) W 17 N 15
VENT RATE (KT-FT) 67050 75790
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 53F/7AM
DISPERSION 4 4
MAX ADI EARLY 22 FAIR 12 POOR 58 GEN GOOD
MAX ADI LATE 85 GOOD 5 VERY POOR 98 GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-292030-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+2) 51 (+1) 70
RH % (24H TREND) 43 (+2) 85 (-6) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR N 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1290 1530
MIXING HGT(FT-AGL/MSL)4230 5030
TRANSPORT WND (MPH) W 14 N 16
VENT RATE (KT-FT) 50760 70420
CATEGORY DAY 3 4
INVERSION 59F/9AM 7PM 54F/7AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 6 VERY POOR 53 GEN GOOD
MAX ADI LATE 66 GOOD 4 VERY POOR 90 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-292030-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+4) 50 (+2) 69
RH % (24H TREND) 41 (-4) 84 (-3) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1140 1570
MIXING HGT(FT-AGL/MSL)3730 5140
TRANSPORT WND (MPH) W 15 N 15
VENT RATE (KT-FT) 48490 66820
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 54F/8AM
DISPERSION 3 4
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 52 GEN GOOD
MAX ADI LATE 66 GOOD 5 VERY POOR 88 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-292030-
INDIANA-
INCLUDING THE CITY OF INDIANA
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+5) 49 (0) 70
RH % (24H TREND) 40 (0) 73 (-16) 39
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G18 N 5
WIND 20FT/LATE(MPH) W 7 G18 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1470 1920
MIXING HGT(FT-AGL/MSL)4840 6280
TRANSPORT WND (MPH) W 20 N 16
VENT RATE (KT-FT) 82280 87920
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 51F/7AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 13 GEN POOR 67 GOOD
MAX ADI LATE 92 GOOD 8 POOR 112 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-292030-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+5) 50 (+1) 70
RH % (24H TREND) 39 (-1) 72 (-14) 37
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G18 N 5
WIND 20FT/LATE(MPH) W 7 G18 LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1420 1910
MIXING HGT(FT-AGL/MSL)4650 6280
TRANSPORT WND (MPH) W 18 N 16
VENT RATE (KT-FT) 74400 87920
CATEGORY DAY 4 4
INVERSION 58F/9AM 8PM 52F/7AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 13 GEN POOR 67 GOOD
MAX ADI LATE 94 GOOD 8 POOR 111 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-292030-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+3) 53 (+3) 71
RH % (24H TREND) 37 (-1) 71 (-17) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1310 1520
MIXING HGT(FT-AGL/MSL)4280 5000
TRANSPORT WND (MPH) W 14 NE 17
VENT RATE (KT-FT) 51360 75000
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 54F/7AM
DISPERSION 3 4
MAX ADI EARLY 17 GEN POOR 7 POOR 60 GEN GOOD
MAX ADI LATE 73 GOOD 6 VERY POOR 99 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-292030-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+4) 53 (+2) 71
RH % (24H TREND) 37 (-2) 74 (-13) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1280 1570
MIXING HGT(FT-AGL/MSL)4190 5160
TRANSPORT WND (MPH) W 13 N 17
VENT RATE (KT-FT) 46090 77400
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 54F/7AM
DISPERSION 3 4
MAX ADI EARLY 12 POOR 6 VERY POOR 54 GEN GOOD
MAX ADI LATE 67 GOOD 6 VERY POOR 101 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-292030-
OHIO-
INCLUDING THE CITY OF WHEELING
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 53 (+2) 71
RH % (24H TREND) 40 (+4) 79 (-10) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1550
MIXING HGT(FT-AGL/MSL)4060 5100
TRANSPORT WND (MPH) W 13 N 16
VENT RATE (KT-FT) 44660 71400
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 12 POOR 5 VERY POOR 59 GEN GOOD
MAX ADI LATE 58 GEN GOOD 5 VERY POOR 94 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-292030-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+2) 53 (+2) 72
RH % (24H TREND) 41 (+2) 83 (-6) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1240 1480
MIXING HGT(FT-AGL/MSL)4060 4870
TRANSPORT WND (MPH) W 10 NE 16
VENT RATE (KT-FT) 36540 68180
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 59 GEN GOOD
MAX ADI LATE 53 GEN GOOD 5 VERY POOR 91 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-292030-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (0) 53 (+2) 72
RH % (24H TREND) 41 (+1) 87 (-2) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR NE 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1210 1410
MIXING HGT(FT-AGL/MSL)3960 4640
TRANSPORT WND (MPH) W 9 NE 17
VENT RATE (KT-FT) 31680 69600
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 46 GEN GOOD 4 VERY POOR 92 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-292030-
MARION-
INCLUDING THE CITY OF FAIRMONT
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (0) 51 (+1) 70
RH % (24H TREND) 41 (+4) 91 (-4) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1320 1340
MIXING HGT(FT-AGL/MSL)4320 4380
TRANSPORT WND (MPH) W 9 NE 17
VENT RATE (KT-FT) 34560 65700
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 14 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX ADI LATE 50 GEN GOOD 4 VERY POOR 87 GOOD
MAX LVORI EARLY 6 4 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-292030-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+1) 51 (+1) 70
RH % (24H TREND) 41 (+4) 88 (-4) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1330 1360
MIXING HGT(FT-AGL/MSL)4350 4480
TRANSPORT WND (MPH) W 10 N 16
VENT RATE (KT-FT) 39150 62720
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 57F/8AM
DISPERSION 3 4
MAX ADI EARLY 16 GEN POOR 5 VERY POOR 56 GEN GOOD
MAX ADI LATE 60 GEN GOOD 4 VERY POOR 85 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-292030-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+1) 50 (+1) 69
RH % (24H TREND) 41 (0) 88 (-3) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1180 1440
MIXING HGT(FT-AGL/MSL)3880 4720
TRANSPORT WND (MPH) W 13 N 15
VENT RATE (KT-FT) 42680 61360
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 54 GEN GOOD
MAX ADI LATE 57 GEN GOOD 4 VERY POOR 81 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-292030-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+2) 50 (+1) 71
RH % (24H TREND) 39 (-3) 88 (-5) 38
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1190 1550
MIXING HGT(FT-AGL/MSL)3900 5090
TRANSPORT WND (MPH) W 13 N 14
VENT RATE (KT-FT) 42900 61080
CATEGORY DAY 3 4
INVERSION 58F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 18 GEN POOR 5 VERY POOR 58 GEN GOOD
MAX ADI LATE 62 GOOD 4 VERY POOR 81 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 2 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-292030-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+4) 50 (+2) 70
RH % (24H TREND) 39 (-8) 86 (-6) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1110 1590
MIXING HGT(FT-AGL/MSL)3630 5220
TRANSPORT WND (MPH) W 14 N 14
VENT RATE (KT-FT) 43560 62640
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 58 GEN GOOD
MAX ADI LATE 61 GOOD 5 VERY POOR 81 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-292030-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (+5) 50 (0) 72
RH % (24H TREND) 35 (-10) 85 (-7) 34
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1080 1570
MIXING HGT(FT-AGL/MSL)3550 5140
TRANSPORT WND (MPH) W 12 N 14
VENT RATE (KT-FT) 35500 61680
CATEGORY DAY 3 4
INVERSION 57F/9AM 8PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 57 GEN GOOD
MAX ADI LATE 55 GEN GOOD 4 VERY POOR 84 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 2 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-292030-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1231 AM EDT FRI MAY 29 2026
TODAY TONIGHT SAT
CLOUD COVER CLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+5) 47 (0) 69
RH % (24H TREND) 36 (-12) 86 (-6) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1590
MIXING HGT(FT-AGL/MSL)3510 5210
TRANSPORT WND (MPH) W 13 N 14
VENT RATE (KT-FT) 38610 62520
CATEGORY DAY 3 4
INVERSION 56F/9AM 8PM 54F/8AM
DISPERSION 3 4
MAX ADI EARLY 23 FAIR 11 POOR 60 GEN GOOD
MAX ADI LATE 59 GEN GOOD 9 POOR 88 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
NORTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. NORTH WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MLB
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