069
FNUS51 KPBZ 210546
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
146 AM EDT SAT MAR 21 2026
DISCUSSION
EASTERN OHIO AND NORTHERN WEST VIRGINIA WILL BE DRY WITH MINIMUM RELATIVE
HUMIDITY BETWEEN 35%-45% WHILE MINIMUM RELATIVE HUMIDITY IN NORTHWESTERN
PENNSYLVANIA IS BETWEEN 45%-55%. ON SUNDAY, LOW PRESSURE SYSTEM
WILL MOVE INTO THE AREA BRINGING SHOWERS AND THUNDERSTORM DURING
THE LATE AFTERNOON/EVENING.
WINDS WILL REMAIN LIGHT AND VARIABLE THROUGH THIS EVENING. AS THE
LOW PRESSURE SYSTEM MOVES INTO THE AREA, WINDS WILL STRENGTHEN OUT
OF THE SOUTH-SOUTHWEST UP TO 10-15 MPH BY MIDDAY WITH GUSTS UP
TO 20-25 MPH. THE POTENTIAL FOR SEVERE WEATHER IN THE EVENING
COULD BRING LOCALLY HIGHER WIND SPEEDS/GUSTS WITH THE PASSING OF A
COLD FRONT.
OHZ039-212100-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 63 (-1) 51 (+14) 79
RH % (24H TREND) 38 (-12) 81 (-12) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 6 W 10 G18
PRECIP AMOUNT 0.00 0.00 0.17
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 850 1550
MIXING HGT(FT-AGL/MSL)2780 5070
TRANSPORT WND (MPH) SW 9 W 33
VENT RATE (KT-FT) 22240 147030
CATEGORY DAY 2 5
INVERSION 39F/6AM 7PM 64F/10AM
DISPERSION 2 5
MAX ADI EARLY 16 GEN POOR 7 POOR 55 GEN GOOD
MAX ADI LATE 30 FAIR 13 GEN POOR 138 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-212100-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 62 (-1) 50 (+14) 76
RH % (24H TREND) 40 (-10) 77 (-16) 48
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 7 W 11 G19
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 850 1550
MIXING HGT(FT-AGL/MSL)2780 5100
TRANSPORT WND (MPH) SW 10 W 31
VENT RATE (KT-FT) 25020 137700
CATEGORY DAY 3 5
INVERSION 39F/6AM 7PM 63F/10AM
DISPERSION 3 5
MAX ADI EARLY 15 GEN POOR 7 POOR 51 GEN GOOD
MAX ADI LATE 35 FAIR 16 GEN POOR 115 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-212100-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 61 (-2) 49 (+13) 75
RH % (24H TREND) 40 (-14) 76 (-19) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 7 G17 W 10 G18
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 830 1470
MIXING HGT(FT-AGL/MSL)2710 4810
TRANSPORT WND (MPH) SW 10 W 26
VENT RATE (KT-FT) 24390 110630
CATEGORY DAY 3 5
INVERSION 38F/6AM 7PM 63F/10AM
DISPERSION 3 5
MAX ADI EARLY 17 GEN POOR 7 POOR 37 FAIR
MAX ADI LATE 33 FAIR 18 GEN POOR 77 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-212100-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 64 (-1) 51 (+14) 78
RH % (24H TREND) 39 (-13) 84 (-8) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.14
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 840 1510
MIXING HGT(FT-AGL/MSL)2740 4950
TRANSPORT WND (MPH) SW 9 W 32
VENT RATE (KT-FT) 21920 138600
CATEGORY DAY 2 5
INVERSION 39F/6AM 7PM 64F/10AM
DISPERSION 2 5
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 59 GEN GOOD
MAX ADI LATE 29 FAIR 10 POOR 132 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-212100-
HARRISON-
INCLUDING THE CITY OF CADIZ
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 64 (0) 50 (+13) 78
RH % (24H TREND) 38 (-10) 79 (-14) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 860 1540
MIXING HGT(FT-AGL/MSL)2810 5050
TRANSPORT WND (MPH) SW 8 W 33
VENT RATE (KT-FT) 19670 146450
CATEGORY DAY 2 5
INVERSION 41F/6AM 7PM 63F/10AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 55 GEN GOOD
MAX ADI LATE 27 FAIR 15 GEN POOR 135 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-212100-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 63 (-1) 50 (+12) 77
RH % (24H TREND) 38 (-11) 77 (-15) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 6 W 10 G20
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 840 1530
MIXING HGT(FT-AGL/MSL)2750 5000
TRANSPORT WND (MPH) SW 8 W 31
VENT RATE (KT-FT) 19250 135000
CATEGORY DAY 2 5
INVERSION 41F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 52 GEN GOOD
MAX ADI LATE 27 FAIR 15 GEN POOR 125 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-212100-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-2) 51 (+12) 80
RH % (24H TREND) 38 (-10) 83 (-9) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 10 G20
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 920 1640
MIXING HGT(FT-AGL/MSL)3020 5380
TRANSPORT WND (MPH) SW 8 W 33
VENT RATE (KT-FT) 21140 156020
CATEGORY DAY 2 5
INVERSION 40F/8AM 7PM 66F/10AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 60 GEN GOOD
MAX ADI LATE 28 FAIR 10 POOR 139 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-212100-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 65 (-2) 51 (+12) 80
RH % (24H TREND) 37 (-10) 81 (-11) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 880 1610
MIXING HGT(FT-AGL/MSL)2890 5280
TRANSPORT WND (MPH) SW 7 W 32
VENT RATE (KT-FT) 17340 147840
CATEGORY DAY 2 5
INVERSION 41F/6AM 7PM 65F/10AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 58 GEN GOOD
MAX ADI LATE 26 FAIR 10 POOR 137 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-212100-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 65 (0) 51 (+11) 80
RH % (24H TREND) 38 (-10) 80 (-13) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 890 1730
MIXING HGT(FT-AGL/MSL)2930 5670
TRANSPORT WND (MPH) SW 8 W 31
VENT RATE (KT-FT) 20510 153090
CATEGORY DAY 2 5
INVERSION 43F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 58 GEN GOOD
MAX ADI LATE 27 FAIR 14 GEN POOR 140 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-212100-
NOBLE-
INCLUDING THE CITY OF CALDWELL
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-2) 51 (+11) 81
RH % (24H TREND) 39 (-7) 84 (-9) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 920 1940
MIXING HGT(FT-AGL/MSL)3030 6360
TRANSPORT WND (MPH) SW 7 W 31
VENT RATE (KT-FT) 18180 171720
CATEGORY DAY 2 5
INVERSION 43F/9AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 12 POOR 5 VERY POOR 56 GEN GOOD
MAX ADI LATE 25 FAIR 10 POOR 142 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-212100-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-1) 51 (+10) 81
RH % (24H TREND) 38 (-8) 83 (-10) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 960 1950
MIXING HGT(FT-AGL/MSL)3140 6400
TRANSPORT WND (MPH) SW 7 SW 31
VENT RATE (KT-FT) 18840 172800
CATEGORY DAY 2 5
INVERSION 45F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 14 GEN POOR 5 VERY POOR 56 GEN GOOD
MAX ADI LATE 26 FAIR 9 POOR 144 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-212100-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 59 (+1) 47 (+12) 70
RH % (24H TREND) 46 (-17) 81 (-17) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR S 6 W 9
PRECIP AMOUNT 0.00 0.00 0.23
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 770 880
MIXING HGT(FT-AGL/MSL)2520 2890
TRANSPORT WND (MPH) S 8 NW 16
VENT RATE (KT-FT) 17640 40460
CATEGORY DAY 2 3
INVERSION 38F/6AM 7PM 60F/10AM
DISPERSION 2 3
MAX ADI EARLY 16 GEN POOR 9 POOR 27 FAIR
MAX ADI LATE 29 FAIR 15 GEN POOR 34 FAIR
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-212100-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 58 (+2) 46 (+11) 69
RH % (24H TREND) 49 (-18) 84 (-15) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 7
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 800 900
MIXING HGT(FT-AGL/MSL)2630 2960
TRANSPORT WND (MPH) S 8 W 16
VENT RATE (KT-FT) 18410 41440
CATEGORY DAY 2 3
INVERSION 38F/6AM 7PM 54F/9AM
DISPERSION 2 3
MAX ADI EARLY 17 GEN POOR 8 POOR 28 FAIR
MAX ADI LATE 26 FAIR 11 POOR 36 FAIR
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-212100-
FOREST-
INCLUDING THE CITY OF TIONESTA
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 55 (0) 44 (+10) 66
RH % (24H TREND) 46 (-22) 84 (-14) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.28
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 890 850
MIXING HGT(FT-AGL/MSL)2910 2800
TRANSPORT WND (MPH) SW 8 W 14
VENT RATE (KT-FT) 20370 33600
CATEGORY DAY 2 3
INVERSION 37F/6AM 7PM 52F/9AM
DISPERSION 2 3
MAX ADI EARLY 18 GEN POOR 8 POOR 30 FAIR
MAX ADI LATE 27 FAIR 10 POOR 31 FAIR
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-212100-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 60 (-1) 48 (+12) 74
RH % (24H TREND) 41 (-16) 79 (-20) 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 9
PRECIP AMOUNT 0.00 0.00 0.28
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 840 1240
MIXING HGT(FT-AGL/MSL)2740 4080
TRANSPORT WND (MPH) SW 8 W 23
VENT RATE (KT-FT) 19180 81600
CATEGORY DAY 2 4
INVERSION 39F/6AM 7PM 57F/9AM
DISPERSION 2 4
MAX ADI EARLY 19 GEN POOR 8 POOR 32 FAIR
MAX ADI LATE 29 FAIR 11 POOR 61 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-212100-
BUTLER-
INCLUDING THE CITY OF BUTLER
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 59 (0) 45 (+10) 74
RH % (24H TREND) 46 (-13) 83 (-17) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 780 1140
MIXING HGT(FT-AGL/MSL)2570 3740
TRANSPORT WND (MPH) S 8 W 23
VENT RATE (KT-FT) 17990 74800
CATEGORY DAY 2 4
INVERSION 39F/6AM 7PM 56F/9AM
DISPERSION 2 4
MAX ADI EARLY 16 GEN POOR 8 POOR 34 FAIR
MAX ADI LATE 25 FAIR 11 POOR 69 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-212100-
CLARION-
INCLUDING THE CITY OF CLARION
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 58 (+1) 45 (+9) 71
RH % (24H TREND) 48 (-16) 82 (-16) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 8 G17
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 820 1020
MIXING HGT(FT-AGL/MSL)2680 3330
TRANSPORT WND (MPH) SW 8 W 21
VENT RATE (KT-FT) 18760 59940
CATEGORY DAY 2 4
INVERSION 39F/6AM 7PM 53F/9AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 8 POOR 31 FAIR
MAX ADI LATE 25 FAIR 10 POOR 51 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-212100-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 56 (0) 46 (+10) 70
RH % (24H TREND) 45 (-10) 80 (-18) 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 9 G19
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 850 1070
MIXING HGT(FT-AGL/MSL)2800 3500
TRANSPORT WND (MPH) SW 7 W 21
VENT RATE (KT-FT) 16800 63000
CATEGORY DAY 2 4
INVERSION 38F/8AM 7PM 54F/9AM
DISPERSION 2 4
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 34 FAIR
MAX ADI LATE 23 FAIR 11 POOR 52 GEN GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-212100-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 61 (-2) 50 (+13) 75
RH % (24H TREND) 39 (-12) 77 (-19) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 3
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 820 1410
MIXING HGT(FT-AGL/MSL)2700 4620
TRANSPORT WND (MPH) SW 8 W 25
VENT RATE (KT-FT) 18900 101640
CATEGORY DAY 2 4
INVERSION 40F/6AM 7PM 59F/9AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 43 GEN GOOD
MAX ADI LATE 27 FAIR 12 POOR 87 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-212100-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 62 (0) 49 (+11) 77
RH % (24H TREND) 41 (-10) 80 (-18) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 11 G20
PRECIP AMOUNT 0.00 0.00 0.20
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 780 1360
MIXING HGT(FT-AGL/MSL)2560 4450
TRANSPORT WND (MPH) SW 7 W 30
VENT RATE (KT-FT) 15360 115700
CATEGORY DAY 2 5
INVERSION 42F/6AM 7PM 58F/9AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 49 GEN GOOD
MAX ADI LATE 22 FAIR 11 POOR 105 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-212100-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 60 (+1) 46 (+10) 74
RH % (24H TREND) 46 (-9) 83 (-17) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G19
PRECIP AMOUNT 0.00 0.00 0.23
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 800 1170
MIXING HGT(FT-AGL/MSL)2630 3830
TRANSPORT WND (MPH) SW 6 W 24
VENT RATE (KT-FT) 13150 80430
CATEGORY DAY 2 4
INVERSION 40F/6AM 7PM 55F/9AM
DISPERSION 2 4
MAX ADI EARLY 13 GEN POOR 5 VERY POOR 46 GEN GOOD
MAX ADI LATE 21 FAIR 10 POOR 87 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-212100-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 63 (0) 49 (+11) 79
RH % (24H TREND) 39 (-9) 77 (-19) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 12 G21
PRECIP AMOUNT 0.00 0.00 0.11
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 770 1580
MIXING HGT(FT-AGL/MSL)2540 5180
TRANSPORT WND (MPH) SW 7 W 29
VENT RATE (KT-FT) 15240 129500
CATEGORY DAY 2 5
INVERSION 42F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 15 GEN POOR 6 VERY POOR 56 GEN GOOD
MAX ADI LATE 21 FAIR 16 GEN POOR 100 GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-212100-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (0) 50 (+10) 79
RH % (24H TREND) 40 (-7) 80 (-18) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 5 SW 10 G20
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 900 2070
MIXING HGT(FT-AGL/MSL)2950 6780
TRANSPORT WND (MPH) SW 7 W 33
VENT RATE (KT-FT) 17700 196620
CATEGORY DAY 2 5
INVERSION 43F/7AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 13 GEN POOR 5 VERY POOR 59 GEN GOOD
MAX ADI LATE 24 FAIR 11 POOR 159 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-212100-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 62 (0) 48 (+10) 77
RH % (24H TREND) 43 (-7) 80 (-20) 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR S 6 SW 12 G21
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 740 1390
MIXING HGT(FT-AGL/MSL)2430 4580
TRANSPORT WND (MPH) SW 5 SW 30
VENT RATE (KT-FT) 9720 119080
CATEGORY DAY 1 5
INVERSION 43F/6AM 7PM 58F/9AM
DISPERSION 1 5
MAX ADI EARLY 12 POOR 5 VERY POOR 54 GEN GOOD
MAX ADI LATE 19 GEN POOR 14 GEN POOR 90 GOOD
MAX LVORI EARLY 7 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-212100-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 62 (+1) 49 (+9) 76
RH % (24H TREND) 41 (-1) 76 (-21) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G21
WIND 20FT/LATE(MPH) LGT/VAR SW 5 G17 W 11 G22
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 800 1440
MIXING HGT(FT-AGL/MSL)2620 4730
TRANSPORT WND (MPH) SW 6 W 30
VENT RATE (KT-FT) 13100 122980
CATEGORY DAY 2 5
INVERSION 42F/9AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 11 POOR 6 VERY POOR 59 GEN GOOD
MAX ADI LATE 19 GEN POOR 12 POOR 116 VERY GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-212100-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+1) 50 (+10) 79
RH % (24H TREND) 41 (-5) 80 (-19) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR S 5 SW 10 G20
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 780 1810
MIXING HGT(FT-AGL/MSL)2550 5950
TRANSPORT WND (MPH) SW 6 W 35
VENT RATE (KT-FT) 12750 178500
CATEGORY DAY 2 5
INVERSION 45F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 12 POOR 5 VERY POOR 57 GEN GOOD
MAX ADI LATE 17 GEN POOR 11 POOR 147 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-212100-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (+3) 49 (+9) 76
RH % (24H TREND) 41 (-5) 81 (-18) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G21
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 790 1770
MIXING HGT(FT-AGL/MSL)2590 5800
TRANSPORT WND (MPH) SW 8 W 36
VENT RATE (KT-FT) 18130 179800
CATEGORY DAY 2 5
INVERSION 42F/9AM 7PM 57F/9AM
DISPERSION 2 5
MAX ADI EARLY 9 POOR 5 VERY POOR 47 GEN GOOD
MAX ADI LATE 20 GEN POOR 11 POOR 152 VERY GOOD
MAX LVORI EARLY 7 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-212100-
INDIANA-
INCLUDING THE CITY OF INDIANA
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 60 (0) 47 (+9) 74
RH % (24H TREND) 46 (-3) 81 (-17) 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 10 G21
PRECIP AMOUNT 0.00 0.00 0.20
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 780 1210
MIXING HGT(FT-AGL/MSL)2560 3980
TRANSPORT WND (MPH) SW 6 W 25
VENT RATE (KT-FT) 12800 87560
CATEGORY DAY 2 4
INVERSION 40F/8AM 7PM 56F/9AM
DISPERSION 2 4
MAX ADI EARLY 14 GEN POOR 5 VERY POOR 51 GEN GOOD
MAX ADI LATE 21 FAIR 11 POOR 89 GOOD
MAX LVORI EARLY 7 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-212100-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 60 (-1) 48 (+9) 75
RH % (24H TREND) 44 (0) 78 (-19) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G19
WIND 20FT/LATE(MPH) LGT/VAR S 5 W 10 G22
PRECIP AMOUNT 0.00 0.00 0.16
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 760 1210
MIXING HGT(FT-AGL/MSL)2490 3960
TRANSPORT WND (MPH) SW 6 W 26
VENT RATE (KT-FT) 12450 91080
CATEGORY DAY 2 4
INVERSION 42F/9AM 7PM 57F/9AM
DISPERSION 2 4
MAX ADI EARLY 11 POOR 6 VERY POOR 53 GEN GOOD
MAX ADI LATE 20 GEN POOR 12 POOR 92 GOOD
MAX LVORI EARLY 6 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-212100-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 62 (-1) 51 (+14) 76
RH % (24H TREND) 38 (-12) 75 (-18) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 6 W 9 G18
PRECIP AMOUNT 0.00 0.00 0.20
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 850 1540
MIXING HGT(FT-AGL/MSL)2790 5040
TRANSPORT WND (MPH) SW 9 W 28
VENT RATE (KT-FT) 22320 120960
CATEGORY DAY 2 5
INVERSION 41F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 50 GEN GOOD
MAX ADI LATE 28 FAIR 12 POOR 112 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-212100-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 63 (-1) 52 (+13) 78
RH % (24H TREND) 37 (-8) 74 (-18) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 860 1380
MIXING HGT(FT-AGL/MSL)2830 4520
TRANSPORT WND (MPH) SW 8 W 30
VENT RATE (KT-FT) 19810 117520
CATEGORY DAY 2 5
INVERSION 42F/6AM 7PM 60F/9AM
DISPERSION 2 5
MAX ADI EARLY 16 GEN POOR 5 VERY POOR 55 GEN GOOD
MAX ADI LATE 26 FAIR 14 GEN POOR 116 VERY GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-212100-
OHIO-
INCLUDING THE CITY OF WHEELING
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 64 (0) 52 (+12) 78
RH % (24H TREND) 37 (-10) 78 (-16) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 11 G21
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 860 1790
MIXING HGT(FT-AGL/MSL)2810 5870
TRANSPORT WND (MPH) SW 7 W 29
VENT RATE (KT-FT) 16860 146750
CATEGORY DAY 2 5
INVERSION 43F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 13 GEN POOR 6 VERY POOR 56 GEN GOOD
MAX ADI LATE 23 FAIR 15 GEN POOR 131 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-212100-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+2) 52 (+11) 80
RH % (24H TREND) 40 (-10) 80 (-14) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR S 5 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 960 1990
MIXING HGT(FT-AGL/MSL)3160 6520
TRANSPORT WND (MPH) SW 7 W 31
VENT RATE (KT-FT) 18960 176040
CATEGORY DAY 2 5
INVERSION 44F/6AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 13 GEN POOR 5 VERY POOR 55 GEN GOOD
MAX ADI LATE 25 FAIR 11 POOR 148 VERY GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-212100-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+2) 52 (+10) 81
RH % (24H TREND) 41 (-8) 83 (-12) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G20
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1000 1960
MIXING HGT(FT-AGL/MSL)3290 6420
TRANSPORT WND (MPH) SW 7 SW 31
VENT RATE (KT-FT) 19740 173340
CATEGORY DAY 2 5
INVERSION 45F/9AM 7PM 58F/9AM
DISPERSION 2 5
MAX ADI EARLY 11 POOR 4 VERY POOR 56 GEN GOOD
MAX ADI LATE 27 FAIR 9 POOR 148 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-212100-
MARION-
INCLUDING THE CITY OF FAIRMONT
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (0) 50 (+9) 80
RH % (24H TREND) 41 (-6) 85 (-13) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 2030
MIXING HGT(FT-AGL/MSL)3220 6670
TRANSPORT WND (MPH) SW 7 SW 32
VENT RATE (KT-FT) 19320 186760
CATEGORY DAY 2 5
INVERSION 45F/9AM 7PM 58F/9AM
DISPERSION 2 5
MAX ADI EARLY 12 POOR 4 VERY POOR 57 GEN GOOD
MAX ADI LATE 26 FAIR 9 POOR 154 VERY GOOD
MAX LVORI EARLY 7 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-212100-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (+1) 51 (+10) 80
RH % (24H TREND) 40 (-6) 81 (-17) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G19
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 900 2060
MIXING HGT(FT-AGL/MSL)2970 6760
TRANSPORT WND (MPH) SW 7 SW 32
VENT RATE (KT-FT) 17820 189280
CATEGORY DAY 2 5
INVERSION 43F/8AM 7PM 59F/9AM
DISPERSION 2 5
MAX ADI EARLY 12 POOR 5 VERY POOR 58 GEN GOOD
MAX ADI LATE 24 FAIR 10 POOR 157 VERY GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-212100-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (+1) 49 (+9) 77
RH % (24H TREND) 41 (-4) 84 (-15) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR S 5 SW 9 G20
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 720 1800
MIXING HGT(FT-AGL/MSL)2370 5910
TRANSPORT WND (MPH) SW 7 W 33
VENT RATE (KT-FT) 14220 171390
CATEGORY DAY 2 5
INVERSION 45F/10AM 7PM 62F/10AM
DISPERSION 2 5
MAX ADI EARLY 7 POOR 5 VERY POOR 41 GEN GOOD
MAX ADI LATE 20 GEN POOR 10 POOR 153 VERY GOOD
MAX LVORI EARLY 8 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-212100-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+2) 49 (+8) 78
RH % (24H TREND) 39 (-5) 84 (-15) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 8 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 880 1860
MIXING HGT(FT-AGL/MSL)2890 6090
TRANSPORT WND (MPH) SW 8 W 35
VENT RATE (KT-FT) 20230 182700
CATEGORY DAY 2 5
INVERSION 43F/8AM 7PM 58F/9AM
DISPERSION 2 5
MAX ADI EARLY 11 POOR 5 VERY POOR 51 GEN GOOD
MAX ADI LATE 28 FAIR 8 POOR 152 VERY GOOD
MAX LVORI EARLY 8 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-212100-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (+3) 49 (+8) 76
RH % (24H TREND) 40 (-6) 85 (-14) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G20
WIND 20FT/LATE(MPH) LGT/VAR SW 5 SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 890 1760
MIXING HGT(FT-AGL/MSL)2910 5760
TRANSPORT WND (MPH) SW 9 W 36
VENT RATE (KT-FT) 23280 178560
CATEGORY DAY 2 5
INVERSION 44F/9AM 7PM 57F/9AM
DISPERSION 2 5
MAX ADI EARLY 9 POOR 5 VERY POOR 49 GEN GOOD
MAX ADI LATE 31 FAIR 10 POOR 153 VERY GOOD
MAX LVORI EARLY 8 3 4
MAX LVORI LATE 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-212100-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (+2) 49 (+7) 78
RH % (24H TREND) 37 (-3) 83 (-14) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 9 G22
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1090 1840
MIXING HGT(FT-AGL/MSL)3560 6040
TRANSPORT WND (MPH) W 9 W 32
VENT RATE (KT-FT) 28480 169120
CATEGORY DAY 3 5
INVERSION 46F/9AM 7PM 58F/9AM
DISPERSION 3 5
MAX ADI EARLY 10 POOR 4 VERY POOR 62 GOOD
MAX ADI LATE 38 FAIR 6 VERY POOR 143 VERY GOOD
MAX LVORI EARLY 7 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-212100-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
146 AM EDT SAT MAR 21 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (+4) 46 (+6) 75
RH % (24H TREND) 39 (-9) 84 (-15) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G24
WIND 20FT/LATE(MPH) LGT/VAR SW 5 G19 W 11 G28
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1250 1820
MIXING HGT(FT-AGL/MSL)4090 5980
TRANSPORT WND (MPH) W 12 W 35
VENT RATE (KT-FT) 40900 179400
CATEGORY DAY 3 5
INVERSION 51F/11AM 7PM 56F/9AM
DISPERSION 3 5
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 65 GOOD
MAX ADI LATE 53 GEN GOOD 13 GEN POOR 150 VERY GOOD
MAX LVORI EARLY 7 3 4
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS IN THE
MID 30S. HIGHS IN THE MID 40S. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER
50S. NORTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO
15 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS. COOLER. LOWS IN
THE UPPER 30S. HIGHS IN THE UPPER 40S. NORTHWEST WINDS 10 TO
15 MPH.
LUPO
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