882
FNUS51 KPBZ 180447
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1247 AM EDT SAT APR 18 2026
DISCUSSION
HIGH PRESSURE WILL RETREAT THROUGH THE MORNING HOURS AS A DECAYING
MCS APPROACHES FROM THE WEST. THIS WILL BRING SHOWERS AND
THUNDERSTORMS TO THE AREA THROUGH THE DAY ON SATURDAY. RH VALUES
AHEAD OF THE SHOWERS WILL DROP INTO THE MID 30% RANGE BEFORE
WETTING RAINFALL ARRIVES. COLDER TEMPERATURES ARE THEN EXPECTE
BEHIND THE FRONT FOR SUNDAY AND INTO MON AND TUES. RH VALUES COULD
DROP BELOW 30% DURING THIS TIME DURING EACH AFTERNOON. MONDAY AND
TUESDAY COULD BE MARGINAL FIRE WEATHER DAYS.
OHZ039-182045-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 70 20
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 79 (+3) 38 (-20) 55
RH % (24H TREND) 48 (+5) 80 (+5) 32
WIND 20FT/EARLY(MPH) S 8 G23 NW 8 G23 W 7 G22
WIND 20FT/LATE(MPH) SW 11 G26 NW 7 G19 W 10 G23
PRECIP AMOUNT 0.24 0.17 0.00
PRECIP DURATION 4 5 0
PRECIP BEGIN 10 AM CONTINUING 2 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2960
MIXING HGT(FT-AGL/MSL)4930 9700
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 140850 264110
CATEGORY DAY 5 5
INVERSION 70F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 71 GOOD 30 FAIR 127 VERY GOOD
MAX ADI LATE 89 GOOD 30 FAIR 157 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-182045-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 79 (+4) 38 (-20) 53
RH % (24H TREND) 46 (+1) 82 (+9) 34
WIND 20FT/EARLY(MPH) S 9 G23 NW 9 G24 W 9 G22
WIND 20FT/LATE(MPH) SW 12 G26 NW 8 G20 W 11 G23
PRECIP AMOUNT 0.27 0.21 0.01
PRECIP DURATION 4 5 1
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1600 2790
MIXING HGT(FT-AGL/MSL)5250 9150
TRANSPORT WND (MPH) SW 32 W 30
VENT RATE (KT-FT) 136970 210020
CATEGORY DAY 5 5
INVERSION 70F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 60 GEN GOOD 29 FAIR 134 VERY GOOD
MAX ADI LATE 100 GOOD 31 FAIR 157 VERY GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-182045-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 80 (+5) 38 (-19) 52
RH % (24H TREND) 44 (-2) 83 (+6) 36
WIND 20FT/EARLY(MPH) S 8 G23 NW 8 G23 W 8 G22
WIND 20FT/LATE(MPH) SW 11 G25 NW 7 G19 W 11 G23
PRECIP AMOUNT 0.24 0.21 0.02
PRECIP DURATION 4 5 1
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1610 2570
MIXING HGT(FT-AGL/MSL)5300 8440
TRANSPORT WND (MPH) SW 30 W 30
VENT RATE (KT-FT) 172640 199290
CATEGORY DAY 5 5
INVERSION 70F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 28 FAIR 131 VERY GOOD
MAX ADI LATE 103 VERY GOOD31 FAIR 153 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-182045-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 60 20
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 78 (+1) 38 (-20) 54
RH % (24H TREND) 53 (+15) 78 (+10) 34
WIND 20FT/EARLY(MPH) S 7 G22 NW 7 G23 W 6 G20
WIND 20FT/LATE(MPH) SW 9 G24 NW 5 G18 W 9 G23
PRECIP AMOUNT 0.21 0.13 0.00
PRECIP DURATION 5 4 0
PRECIP BEGIN 10 AM CONTINUING 2 PM
PRECIP END CONTINUING 3 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1260 2910
MIXING HGT(FT-AGL/MSL)4120 9540
TRANSPORT WND (MPH) SW 31 W 29
VENT RATE (KT-FT) 105490 281190
CATEGORY DAY 5 5
INVERSION 66F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 71 GOOD 29 FAIR 199 VERY GOOD
MAX ADI LATE 84 GOOD 27 FAIR 155 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 2 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-182045-
HARRISON-
INCLUDING THE CITY OF CADIZ
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 80 (+3) 38 (-20) 54
RH % (24H TREND) 42 (+1) 81 (+6) 31
WIND 20FT/EARLY(MPH) S 8 G23 NW 8 G26 W 7 G23
WIND 20FT/LATE(MPH) SW 11 G29 NW 7 G21 W 10 G25
PRECIP AMOUNT 0.17 0.22 0.00
PRECIP DURATION 4 6 0
PRECIP BEGIN 11 AM CONTINUING 2 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1670 3000
MIXING HGT(FT-AGL/MSL)5470 9850
TRANSPORT WND (MPH) SW 32 W 30
VENT RATE (KT-FT) 139540 248610
CATEGORY DAY 5 5
INVERSION 71F/10AM 8PM 42F/4AM
DISPERSION 5 5
MAX ADI EARLY 67 GOOD 29 FAIR 128 VERY GOOD
MAX ADI LATE 100 GOOD 30 FAIR 160 VERY GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-182045-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 81 (+5) 39 (-19) 54
RH % (24H TREND) 40 (-2) 81 (+7) 31
WIND 20FT/EARLY(MPH) S 7 G22 NW 8 G25 W 8 G22
WIND 20FT/LATE(MPH) SW 11 G29 NW 7 G21 W 11 G25
PRECIP AMOUNT 0.17 0.26 0.00
PRECIP DURATION 3 6 0
PRECIP BEGIN 1 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1760 2920
MIXING HGT(FT-AGL/MSL)5770 9590
TRANSPORT WND (MPH) SW 33 W 30
VENT RATE (KT-FT) 150880 224440
CATEGORY DAY 5 5
INVERSION 67F/9AM 8PM 42F/4AM
DISPERSION 5 5
MAX ADI EARLY 68 GOOD 26 FAIR 127 VERY GOOD
MAX ADI LATE 106 VERY GOOD29 FAIR 159 VERY GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-182045-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 70 0
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 79 (+1) 38 (-20) 55
RH % (24H TREND) 49 (+11) 78 (+9) 31
WIND 20FT/EARLY(MPH) S 7 G22 NW 7 G23 W 6 G22
WIND 20FT/LATE(MPH) SW 10 G25 NW 5 G19 W 10 G24
PRECIP AMOUNT 0.17 0.13 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 11 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT(M-AGL/MSL) 1370 2810
MIXING HGT(FT-AGL/MSL)4500 9220
TRANSPORT WND (MPH) SW 29 W 29
VENT RATE (KT-FT) 129600 277090
CATEGORY DAY 5 5
INVERSION 67F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 72 GOOD 30 FAIR 196 VERY GOOD
MAX ADI LATE 88 GOOD 26 FAIR 147 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-182045-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 80 (+2) 39 (-20) 56
RH % (24H TREND) 44 (+6) 81 (+11) 30
WIND 20FT/EARLY(MPH) S 7 G23 NW 7 G24 W 6 G22
WIND 20FT/LATE(MPH) SW 10 G27 NW 6 G21 W 9 G24
PRECIP AMOUNT 0.17 0.19 0.00
PRECIP DURATION 4 5 0
PRECIP BEGIN 11 AM CONTINUING 2 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1580 2990
MIXING HGT(FT-AGL/MSL)5190 9810
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 123280 267070
CATEGORY DAY 5 5
INVERSION 71F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 72 GOOD 27 FAIR 194 VERY GOOD
MAX ADI LATE 92 GOOD 28 FAIR 152 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-182045-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 83 (+5) 40 (-18) 55
RH % (24H TREND) 39 (-2) 85 (+12) 30
WIND 20FT/EARLY(MPH) S 7 G23 NW 8 G26 W 7 G23
WIND 20FT/LATE(MPH) SW 11 G29 NW 7 G22 W 10 G26
PRECIP AMOUNT 0.16 0.29 0.00
PRECIP DURATION 3 6 0
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1780 2910
MIXING HGT(FT-AGL/MSL)5830 9540
TRANSPORT WND (MPH) SW 32 W 29
VENT RATE (KT-FT) 171070 281650
CATEGORY DAY 5 5
INVERSION 71F/10AM 8PM 43F/4AM
DISPERSION 5 5
MAX ADI EARLY 69 GOOD 29 FAIR 121 VERY GOOD
MAX ADI LATE 103 VERY GOOD29 FAIR 156 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-182045-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 90 80 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 82 (+3) 39 (-19) 57
RH % (24H TREND) 43 (+6) 83 (+9) 28
WIND 20FT/EARLY(MPH) S 6 G22 NW 7 G24 W 6 G22
WIND 20FT/LATE(MPH) SW 9 G27 NW 6 G21 W 9 G25
PRECIP AMOUNT 0.14 0.24 0.00
PRECIP DURATION 3 6
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 4 AM
MIXING HGT(M-AGL/MSL) 1710 2860
MIXING HGT(FT-AGL/MSL)5620 9390
TRANSPORT WND (MPH) SW 31 W 28
VENT RATE (KT-FT) 143880 298440
CATEGORY DAY 5 5
INVERSION 71F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 70 GOOD 28 FAIR 183 VERY GOOD
MAX ADI LATE 119 VERY GOOD28 FAIR 147 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-182045-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 80 90 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 84 (+5) 40 (-19) 57
RH % (24H TREND) 38 (-1) 84 (+10) 28
WIND 20FT/EARLY(MPH) S 5 G23 W 7 G26 W 6 G23
WIND 20FT/LATE(MPH) SW 9 G29 NW 6 G22 W 9 G26
PRECIP AMOUNT 0.11 0.27 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT(M-AGL/MSL) 1920 2880
MIXING HGT(FT-AGL/MSL)6290 9450
TRANSPORT WND (MPH) SW 32 W 29
VENT RATE (KT-FT) 172650 301160
CATEGORY DAY 5 5
INVERSION 72F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 76 GOOD 29 FAIR 174 VERY GOOD
MAX ADI LATE 141 VERY GOOD28 FAIR 200 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-182045-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 78 (+5) 36 (-19) 49
RH % (24H TREND) 48 (+13) 90 (+8) 41
WIND 20FT/EARLY(MPH) S 9 G23 NW 8 G24 W 8 G21
WIND 20FT/LATE(MPH) SW 12 G28 NW 7 G18 W 11 G24
PRECIP AMOUNT 0.31 0.19 0.01
PRECIP DURATION 4 5 1
PRECIP BEGIN 11 AM CONTINUING 2 PM
PRECIP END CONTINUING 4 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1450 2430
MIXING HGT(FT-AGL/MSL)4770 7980
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 152020 200580
CATEGORY DAY 5 5
INVERSION 69F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 57 GEN GOOD 24 FAIR 125 VERY GOOD
MAX ADI LATE 89 GOOD 31 FAIR 130 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 2 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-182045-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 79 (+6) 36 (-18) 49
RH % (24H TREND) 45 (+12) 92 (+8) 40
WIND 20FT/EARLY(MPH) S 7 G22 W 7 G23 W 7 G20
WIND 20FT/LATE(MPH) SW 10 G25 NW 6 G18 W 9 G23
PRECIP AMOUNT 0.26 0.28 0.00
PRECIP DURATION 3 5 1
PRECIP BEGIN 12 PM CONTINUING 8 AM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1500 2480
MIXING HGT(FT-AGL/MSL)4910 8130
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 129780 211150
CATEGORY DAY 5 5
INVERSION 68F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 63 GOOD 24 FAIR 120 VERY GOOD
MAX ADI LATE 88 GOOD 29 FAIR 144 VERY GOOD
MAX LVORI EARLY 4 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-182045-
FOREST-
INCLUDING THE CITY OF TIONESTA
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 79 (+6) 35 (-18) 48
RH % (24H TREND) 41 (+13) 93 (+8) 36
WIND 20FT/EARLY(MPH) S 6 G21 W 6 G23 W 6 G21
WIND 20FT/LATE(MPH) S 8 G26 NW 6 G17 W 8 G23
PRECIP AMOUNT 0.26 0.40 0.01
PRECIP DURATION 2 6 2
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1530 2540
MIXING HGT(FT-AGL/MSL)5010 8340
TRANSPORT WND (MPH) SW 31 W 30
VENT RATE (KT-FT) 129090 222820
CATEGORY DAY 5 5
INVERSION 63F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 72 GOOD 24 FAIR 116 VERY GOOD
MAX ADI LATE 91 GOOD 24 FAIR 196 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-182045-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 80 (+5) 37 (-19) 51
RH % (24H TREND) 44 (+3) 87 (+6) 38
WIND 20FT/EARLY(MPH) S 7 G20 NW 8 G22 W 7 G19
WIND 20FT/LATE(MPH) SW 11 G24 NW 7 G18 W 10 G21
PRECIP AMOUNT 0.22 0.22 0.01
PRECIP DURATION 4 5 1
PRECIP BEGIN 11 AM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1570 2480
MIXING HGT(FT-AGL/MSL)5160 8140
TRANSPORT WND (MPH) SW 31 W 29
VENT RATE (KT-FT) 158200 202580
CATEGORY DAY 5 5
INVERSION 70F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 60 GEN GOOD 29 FAIR 126 VERY GOOD
MAX ADI LATE 95 GOOD 31 FAIR 140 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-182045-
BUTLER-
INCLUDING THE CITY OF BUTLER
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 81 (+6) 37 (-18) 51
RH % (24H TREND) 42 (-1) 91 (+6) 39
WIND 20FT/EARLY(MPH) S 6 G20 W 8 G23 W 7 G20
WIND 20FT/LATE(MPH) SW 10 G25 NW 7 G19 W 10 G23
PRECIP AMOUNT 0.21 0.30 0.01
PRECIP DURATION 3 5 1
PRECIP BEGIN 12 PM CONTINUING 8 AM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1830 2610
MIXING HGT(FT-AGL/MSL)6000 8560
TRANSPORT WND (MPH) SW 32 W 29
VENT RATE (KT-FT) 150770 206690
CATEGORY DAY 5 5
INVERSION 69F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 29 FAIR 122 VERY GOOD
MAX ADI LATE 102 VERY GOOD30 FAIR 141 VERY GOOD
MAX LVORI EARLY 4 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-182045-
CLARION-
INCLUDING THE CITY OF CLARION
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 80 (+7) 37 (-17) 50
RH % (24H TREND) 40 (+8) 92 (+10) 39
WIND 20FT/EARLY(MPH) S 6 G22 W 7 G23 W 7 G21
WIND 20FT/LATE(MPH) SW 9 G25 NW 6 G18 W 10 G23
PRECIP AMOUNT 0.20 0.37 0.01
PRECIP DURATION 2 6 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1550 2540
MIXING HGT(FT-AGL/MSL)5090 8320
TRANSPORT WND (MPH) SW 29 W 29
VENT RATE (KT-FT) 122450 220980
CATEGORY DAY 5 5
INVERSION 64F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 65 GOOD 22 FAIR 114 VERY GOOD
MAX ADI LATE 88 GOOD 29 FAIR 137 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-182045-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 30
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 80 (+7) 37 (-17) 49
RH % (24H TREND) 37 (+2) 90 (+9) 37
WIND 20FT/EARLY(MPH) S 7 G21 W 7 G23 W 8 G22
WIND 20FT/LATE(MPH) S 10 G25 NW 7 G19 W 11 G25
PRECIP AMOUNT 0.18 0.47 0.01
PRECIP DURATION 1 9 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1630 2510
MIXING HGT(FT-AGL/MSL)5330 8250
TRANSPORT WND (MPH) SW 29 W 29
VENT RATE (KT-FT) 105840 231430
CATEGORY DAY 5 5
INVERSION 64F/9AM 8PM 43F/4AM
DISPERSION 5 5
MAX ADI EARLY 67 GOOD 30 FAIR 85 GOOD
MAX ADI LATE 93 GOOD 28 FAIR 111 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-182045-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 81 (+5) 39 (-19) 52
RH % (24H TREND) 40 (-2) 83 (+7) 34
WIND 20FT/EARLY(MPH) S 6 G21 NW 8 G23 W 7 G21
WIND 20FT/LATE(MPH) SW 10 G25 NW 7 G21 W 10 G23
PRECIP AMOUNT 0.19 0.27 0.01
PRECIP DURATION 3 6 1
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1810 2760
MIXING HGT(FT-AGL/MSL)5930 9070
TRANSPORT WND (MPH) SW 31 W 29
VENT RATE (KT-FT) 168170 213680
CATEGORY DAY 5 5
INVERSION 67F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 66 GOOD 28 FAIR 127 VERY GOOD
MAX ADI LATE 103 VERY GOOD31 FAIR 144 VERY GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-182045-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 84 (+8) 40 (-18) 54
RH % (24H TREND) 36 (-9) 86 (+7) 33
WIND 20FT/EARLY(MPH) S 6 G20 W 9 G24 W 9 G22
WIND 20FT/LATE(MPH) SW 12 G27 NW 8 G21 W 12 G25
PRECIP AMOUNT 0.14 0.34 0.01
PRECIP DURATION 2 6 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2040 2860
MIXING HGT(FT-AGL/MSL)6680 9390
TRANSPORT WND (MPH) SW 31 W 30
VENT RATE (KT-FT) 165700 235340
CATEGORY DAY 5 5
INVERSION 67F/9AM 8PM 44F/4AM
DISPERSION 5 5
MAX ADI EARLY 67 GOOD 29 FAIR 125 VERY GOOD
MAX ADI LATE 103 VERY GOOD30 FAIR 152 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-182045-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 82 (+7) 38 (-17) 52
RH % (24H TREND) 38 (-5) 92 (+8) 38
WIND 20FT/EARLY(MPH) S 6 G19 W 7 G23 W 8 G22
WIND 20FT/LATE(MPH) SW 9 G25 NW 7 G18 W 10 G25
PRECIP AMOUNT 0.16 0.39 0.01
PRECIP DURATION 2 7 2
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1810 2660
MIXING HGT(FT-AGL/MSL)5920 8740
TRANSPORT WND (MPH) SW 29 W 30
VENT RATE (KT-FT) 141180 210510
CATEGORY DAY 5 5
INVERSION 66F/9AM 8PM 43F/4AM
DISPERSION 5 5
MAX ADI EARLY 70 GOOD 24 FAIR 117 VERY GOOD
MAX ADI LATE 101 VERY GOOD29 FAIR 124 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-182045-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 83 (+7) 40 (-18) 54
RH % (24H TREND) 37 (-7) 87 (+9) 33
WIND 20FT/EARLY(MPH) S 7 G21 W 9 G25 W 9 G22
WIND 20FT/LATE(MPH) SW 12 G28 NW 8 G22 W 12 G25
PRECIP AMOUNT 0.13 0.38 0.01
PRECIP DURATION 2 7 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2040 2860
MIXING HGT(FT-AGL/MSL)6700 9390
TRANSPORT WND (MPH) SW 30 W 30
VENT RATE (KT-FT) 181310 251640
CATEGORY DAY 5 5
INVERSION 68F/9AM 8PM 44F/4AM
DISPERSION 5 5
MAX ADI EARLY 74 GOOD 28 FAIR 125 VERY GOOD
MAX ADI LATE 105 VERY GOOD29 FAIR 158 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-182045-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 84 (+7) 40 (-18) 55
RH % (24H TREND) 36 (-9) 89 (+10) 33
WIND 20FT/EARLY(MPH) S 5 G20 W 7 G23 W 7 G21
WIND 20FT/LATE(MPH) SW 9 G26 NW 7 G21 W 10 G24
PRECIP AMOUNT 0.14 0.50 0.01
PRECIP DURATION 2 7 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2210 2830
MIXING HGT(FT-AGL/MSL)7240 9280
TRANSPORT WND (MPH) SW 31 NW 29
VENT RATE (KT-FT) 183430 272620
CATEGORY DAY 5 5
INVERSION 68F/9AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 95 GOOD 29 FAIR 120 VERY GOOD
MAX ADI LATE 145 VERY GOOD28 FAIR 153 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-182045-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 84 (+8) 39 (-17) 54
RH % (24H TREND) 35 (-14) 91 (+8) 35
WIND 20FT/EARLY(MPH) S 6 G19 W 8 G23 W 9 G23
WIND 20FT/LATE(MPH) SW 11 G26 NW 8 G20 W 13 G27
PRECIP AMOUNT 0.14 0.46 0.01
PRECIP DURATION 2 8 2
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2000 2800
MIXING HGT(FT-AGL/MSL)6570 9190
TRANSPORT WND (MPH) SW 28 W 31
VENT RATE (KT-FT) 169230 237780
CATEGORY DAY 5 5
INVERSION 73F/10AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 69 GOOD 25 FAIR 122 VERY GOOD
MAX ADI LATE 96 GOOD 29 FAIR 161 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-182045-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 84 (+11) 37 (-19) 53
RH % (24H TREND) 32 (-18) 91 (+11) 32
WIND 20FT/EARLY(MPH) S 5 G20 W 6 G21 W 10 G25
WIND 20FT/LATE(MPH) SW 8 G23 NW 8 G23 W 12 G27
PRECIP AMOUNT 0.10 0.50 0.01
PRECIP DURATION 1 10 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1920 2760
MIXING HGT(FT-AGL/MSL)6290 9060
TRANSPORT WND (MPH) SW 25 W 32
VENT RATE (KT-FT) 136760 229590
CATEGORY DAY 5 5
INVERSION 70F/10AM 7PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 73 GOOD 21 FAIR 94 GOOD
MAX ADI LATE 121 VERY GOOD26 FAIR 170 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-182045-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 84 (+8) 40 (-18) 54
RH % (24H TREND) 35 (-13) 90 (+13) 33
WIND 20FT/EARLY(MPH) S 5 G17 W 6 G21 W 8 G21
WIND 20FT/LATE(MPH) SW 9 G23 NW 6 G19 W 11 G24
PRECIP AMOUNT 0.13 0.59 0.01
PRECIP DURATION 1 8 1
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2110 2880
MIXING HGT(FT-AGL/MSL)6930 9440
TRANSPORT WND (MPH) SW 28 NW 31
VENT RATE (KT-FT) 172560 250460
CATEGORY DAY 5 5
INVERSION 73F/10AM 7PM 46F/4AM
DISPERSION 5 5
MAX ADI EARLY 81 GOOD 24 FAIR 122 VERY GOOD
MAX ADI LATE 129 VERY GOOD28 FAIR 161 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-182045-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 82 (+9) 37 (-19) 52
RH % (24H TREND) 34 (-20) 94 (+13) 34
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G19 W 8 G22
WIND 20FT/LATE(MPH) SW 7 G21 NW 6 G20 W 9 G24
PRECIP AMOUNT 0.11 0.52 0.01
PRECIP DURATION 1 8 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1970 2730
MIXING HGT(FT-AGL/MSL)6470 8950
TRANSPORT WND (MPH) SW 26 W 31
VENT RATE (KT-FT) 118060 258190
CATEGORY DAY 5 5
INVERSION 69F/10AM 7PM 43F/4AM
DISPERSION 5 5
MAX ADI EARLY 70 GOOD 14 GEN POOR 128 VERY GOOD
MAX ADI LATE 119 VERY GOOD23 FAIR 165 VERY GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-182045-
INDIANA-
INCLUDING THE CITY OF INDIANA
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 30
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 83 (+9) 38 (-17) 52
RH % (24H TREND) 35 (-13) 91 (+9) 36
WIND 20FT/EARLY(MPH) S 6 G20 W 7 G22 W 9 G24
WIND 20FT/LATE(MPH) SW 10 G23 NW 7 G21 W 12 G27
PRECIP AMOUNT 0.17 0.47 0.01
PRECIP DURATION 1 9 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1740 2620
MIXING HGT(FT-AGL/MSL)5700 8600
TRANSPORT WND (MPH) SW 25 W 30
VENT RATE (KT-FT) 156160 211680
CATEGORY DAY 5 5
INVERSION 66F/9AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 68 GOOD 29 FAIR 92 GOOD
MAX ADI LATE 106 VERY GOOD28 FAIR 111 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-182045-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 90 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 83 (+10) 39 (-17) 52
RH % (24H TREND) 33 (-16) 90 (+12) 34
WIND 20FT/EARLY(MPH) S 6 G21 W 7 G22 W 10 G24
WIND 20FT/LATE(MPH) SW 9 G23 NW 8 G22 W 12 G28
PRECIP AMOUNT 0.14 0.49 0.01
PRECIP DURATION 1 10 2
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1810 2590
MIXING HGT(FT-AGL/MSL)5920 8500
TRANSPORT WND (MPH) SW 29 W 31
VENT RATE (KT-FT) 112860 210620
CATEGORY DAY 5 5
INVERSION 70F/10AM 7PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 23 FAIR 96 GOOD
MAX ADI LATE 102 VERY GOOD27 FAIR 166 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-182045-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 80 30
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 81 (+5) 40 (-18) 53
RH % (24H TREND) 40 (-2) 81 (+5) 32
WIND 20FT/EARLY(MPH) S 7 G21 NW 8 G23 W 7 G21
WIND 20FT/LATE(MPH) SW 10 G25 NW 7 G20 W 10 G23
PRECIP AMOUNT 0.17 0.28 0.00
PRECIP DURATION 3 6 1
PRECIP BEGIN 1 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1800 2870
MIXING HGT(FT-AGL/MSL)5900 9410
TRANSPORT WND (MPH) SW 33 W 29
VENT RATE (KT-FT) 130480 213970
CATEGORY DAY 5 5
INVERSION 67F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 67 GOOD 26 FAIR 162 VERY GOOD
MAX ADI LATE 110 VERY GOOD29 FAIR 153 VERY GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-182045-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 90 90 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 82 (+5) 40 (-19) 54
RH % (24H TREND) 38 (-2) 81 (+12) 30
WIND 20FT/EARLY(MPH) S 7 G22 NW 8 G25 W 8 G22
WIND 20FT/LATE(MPH) SW 11 G28 NW 7 G21 W 11 G25
PRECIP AMOUNT 0.16 0.34 0.01
PRECIP DURATION 3 6 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1890 2980
MIXING HGT(FT-AGL/MSL)6200 9780
TRANSPORT WND (MPH) SW 32 W 30
VENT RATE (KT-FT) 151610 220370
CATEGORY DAY 5 5
INVERSION 68F/9AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 27 FAIR 127 VERY GOOD
MAX ADI LATE 112 VERY GOOD29 FAIR 158 VERY GOOD
MAX LVORI EARLY 2 3 3
MAX LVORI LATE 1 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-182045-
OHIO-
INCLUDING THE CITY OF WHEELING
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 82 (+5) 40 (-19) 55
RH % (24H TREND) 39 (+1) 85 (+8) 30
WIND 20FT/EARLY(MPH) S 7 G22 W 9 G25 W 8 G22
WIND 20FT/LATE(MPH) SW 12 G28 NW 8 G21 W 11 G25
PRECIP AMOUNT 0.15 0.34 0.01
PRECIP DURATION 3 6 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 1870 2880
MIXING HGT(FT-AGL/MSL)6140 9450
TRANSPORT WND (MPH) SW 32 W 30
VENT RATE (KT-FT) 158600 245860
CATEGORY DAY 5 5
INVERSION 72F/10AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 64 GOOD 30 FAIR 125 VERY GOOD
MAX ADI LATE 106 VERY GOOD29 FAIR 157 VERY GOOD
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-182045-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 80 90 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 83 (+5) 41 (-19) 56
RH % (24H TREND) 39 (-3) 86 (+14) 30
WIND 20FT/EARLY(MPH) S 6 G22 W 8 G25 W 7 G22
WIND 20FT/LATE(MPH) SW 10 G28 NW 7 G22 W 10 G25
PRECIP AMOUNT 0.13 0.37 0.01
PRECIP DURATION 3 7 0
PRECIP BEGIN 2 PM CONTINUING 2 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT(M-AGL/MSL) 2020 2880
MIXING HGT(FT-AGL/MSL)6620 9450
TRANSPORT WND (MPH) SW 32 W 29
VENT RATE (KT-FT) 176790 282570
CATEGORY DAY 5 5
INVERSION 68F/9AM 8PM 44F/4AM
DISPERSION 5 5
MAX ADI EARLY 77 GOOD 29 FAIR 128 VERY GOOD
MAX ADI LATE 145 VERY GOOD28 FAIR 155 VERY GOOD
MAX LVORI EARLY 2 4 3
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-182045-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 70 90 0
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 83 (+5) 41 (-18) 56
RH % (24H TREND) 39 (-5) 89 (+18) 30
WIND 20FT/EARLY(MPH) S 5 G21 W 7 G24 W 6 G22
WIND 20FT/LATE(MPH) SW 9 G27 NW 7 G22 W 9 G25
PRECIP AMOUNT 0.15 0.45 0.00
PRECIP DURATION 2 7
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 2200 2890
MIXING HGT(FT-AGL/MSL)7230 9470
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 169700 299140
CATEGORY DAY 5 5
INVERSION 68F/9AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 89 GOOD 27 FAIR 172 VERY GOOD
MAX ADI LATE 149 VERY GOOD28 FAIR 198 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-182045-
MARION-
INCLUDING THE CITY OF FAIRMONT
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 83 (+5) 40 (-18) 55
RH % (24H TREND) 37 (-8) 92 (+11) 32
WIND 20FT/EARLY(MPH) LGT/VAR W 7 G23 W 6 G21
WIND 20FT/LATE(MPH) SW 8 G25 NW 7 G21 W 9 G24
PRECIP AMOUNT 0.12 0.46 0.01
PRECIP DURATION 1 7 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM 2 PM
MIXING HGT(M-AGL/MSL) 2300 2850
MIXING HGT(FT-AGL/MSL)7540 9360
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 163100 286890
CATEGORY DAY 5 5
INVERSION 67F/9AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 115 VERY GOOD28 FAIR 176 VERY GOOD
MAX ADI LATE 148 VERY GOOD26 FAIR 154 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-182045-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 70 100 20
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 84 (+7) 40 (-19) 55
RH % (24H TREND) 35 (-11) 90 (+16) 32
WIND 20FT/EARLY(MPH) S 5 G18 W 6 G23 W 7 G20
WIND 20FT/LATE(MPH) SW 8 G25 NW 7 G21 W 9 G23
PRECIP AMOUNT 0.12 0.48 0.01
PRECIP DURATION 1 8 1
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 6 AM 2 PM
MIXING HGT(M-AGL/MSL) 2270 2860
MIXING HGT(FT-AGL/MSL)7440 9390
TRANSPORT WND (MPH) SW 30 W 29
VENT RATE (KT-FT) 175150 290010
CATEGORY DAY 5 5
INVERSION 68F/9AM 8PM 46F/4AM
DISPERSION 5 5
MAX ADI EARLY 104 VERY GOOD29 FAIR 177 VERY GOOD
MAX ADI LATE 146 VERY GOOD26 FAIR 155 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-182045-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 60 100 20
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 82 (+9) 38 (-18) 51
RH % (24H TREND) 34 (-16) 96 (+20) 33
WIND 20FT/EARLY(MPH) S 5 G17 W 5 G19 W 7 G20
WIND 20FT/LATE(MPH) SW 7 G21 NW 7 G20 W 9 G23
PRECIP AMOUNT 0.10 0.55 0.01
PRECIP DURATION 1 8 1
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2050 2700
MIXING HGT(FT-AGL/MSL)6730 8850
TRANSPORT WND (MPH) SW 28 W 30
VENT RATE (KT-FT) 128460 273070
CATEGORY DAY 5 5
INVERSION 70F/10AM 7PM 44F/4AM
DISPERSION 5 5
MAX ADI EARLY 79 GOOD 28 FAIR 118 VERY GOOD
MAX ADI LATE 148 VERY GOOD23 FAIR 156 VERY GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-182045-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 60 100 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 83 (+8) 38 (-18) 54
RH % (24H TREND) 33 (-15) 96 (+12) 33
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7 G21
WIND 20FT/LATE(MPH) SW 6 G20 NW 5 G18 W 9 G23
PRECIP AMOUNT 0.09 0.52 0.01
PRECIP DURATION 1 8 1
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2250 2790
MIXING HGT(FT-AGL/MSL)7390 9140
TRANSPORT WND (MPH) SW 28 W 30
VENT RATE (KT-FT) 146740 294150
CATEGORY DAY 5 5
INVERSION 71F/10AM 8PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 97 GOOD 17 GEN POOR 124 VERY GOOD
MAX ADI LATE 156 VERY GOOD23 FAIR 158 VERY GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-182045-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 50 100 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 81 (+9) 36 (-20) 51
RH % (24H TREND) 34 (-17) 99 (+18) 33
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G19 W 9 G26
WIND 20FT/LATE(MPH) SW 7 G20 NW 7 G22 W 10 G27
PRECIP AMOUNT 0.06 0.52 0.01
PRECIP DURATION 0 8 1
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2200 2650
MIXING HGT(FT-AGL/MSL)7210 8700
TRANSPORT WND (MPH) SW 28 W 31
VENT RATE (KT-FT) 142850 291600
CATEGORY DAY 5 5
INVERSION 69F/10AM 7PM 44F/4AM
DISPERSION 5 5
MAX ADI EARLY 90 GOOD 24 FAIR 123 VERY GOOD
MAX ADI LATE 180 VERY GOOD26 FAIR 165 VERY GOOD
MAX LVORI EARLY 3 5 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-182045-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 50 100 30
CHANCE OF THUNDER (%) 0 30 0
TEMP (24H TREND) 83 (+9) 37 (-19) 53
RH % (24H TREND) 32 (-13) 99 (+22) 31
WIND 20FT/EARLY(MPH) LGT/VAR W 5 G19 W 8 G25
WIND 20FT/LATE(MPH) SW 6 G21 NW 6 G21 W 10 G28
PRECIP AMOUNT 0.04 0.39 0.01
PRECIP DURATION 0 8 1
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2390 2650
MIXING HGT(FT-AGL/MSL)7850 8710
TRANSPORT WND (MPH) SW 28 W 31
VENT RATE (KT-FT) 164630 282410
CATEGORY DAY 5 5
INVERSION 69F/10AM 7PM 46F/4AM
DISPERSION 5 5
MAX ADI EARLY 106 VERY GOOD16 GEN POOR 122 VERY GOOD
MAX ADI LATE 200 VERY GOOD25 FAIR 161 VERY GOOD
MAX LVORI EARLY 3 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-182045-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1247 AM EDT SAT APR 18 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 100 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 79 (+9) 33 (-19) 49
RH % (24H TREND) 35 (-12) 100 (+17) 36
WIND 20FT/EARLY(MPH) LGT/VAR W 6 G24 W 12 G42
WIND 20FT/LATE(MPH) SW 7 G26 NW 8 G38 W 12 G40
PRECIP AMOUNT 0.00 0.37 0.01
PRECIP DURATION 9 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 2250 2370
MIXING HGT(FT-AGL/MSL)7370 7790
TRANSPORT WND (MPH) SW 28 NW 36
VENT RATE (KT-FT) 132200 276770
CATEGORY DAY 5 5
INVERSION 62F/9AM 7PM 45F/4AM
DISPERSION 5 5
MAX ADI EARLY 93 GOOD 28 FAIR 127 VERY GOOD
MAX ADI LATE 191 VERY GOOD30 FAIR 172 VERY GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE MID 40S. WEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 20S. HIGHS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SHALLENBERGER
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