Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
969
FNUS51 KPBZ 211744
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
144 PM EDT Mon Sep 21 2026
.DISCUSSION...
Additional rounds of rain are expected through mid-week atop an
already saturated ground. Aside from the rain, stiff easterly
flow will establish with much cooler air for this week. Fire
weather concerns are nearly nil.
OHZ039-220815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Tstms
Chance Precip (%) 60 30 70 80
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 55 (-3) 65 (+4) 53 63
RH % (24h trend) 100 (+4) 83 (+2) 100 78
Wind 20ft/early(mph) NE 9 G17 NE 8 E 12 G21 E 11 G19
Wind 20ft/late(mph) NE 7 NE 9 G18 E 10 G20 E 10 G19
Precip Amount 0.05 0.00 0.14 0.32
Precip Duration 1 1 4 9
Precip Begin 6 PM 1 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 590 750
Mixing Hgt(ft-agl/msl) 1940 2450
Transport Wnd (mph) E 15 E 16
Vent Rate (kt-ft) 25220 34300
Category Day 3 3
Inversion 8pm 57F/5am None None
Dispersion 3 3
Max ADI Early 17 Gen Poor 24 Fair 19 Gen Poor 31 Fair
Max ADI Late 12 Poor 30 Fair 16 Gen Poor 35 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 7 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-220815-
Carroll-
Including the cities of Carrollton and Malvern
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 70 30 70 60
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 54 (-4) 63 (+2) 52 62
RH % (24h trend) 100 (+3) 85 (+4) 100 77
Wind 20ft/early(mph) NE 10 G18 NE 9 G17 E 13 G22 E 12 G21
Wind 20ft/late(mph) NE 8 E 11 G20 E 12 G21 E 11 G20
Precip Amount 0.05 0.00 0.11 0.20
Precip Duration 2 1 4 9
Precip Begin 6 PM 10 AM Continuing Continuing
Precip End 12 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 560 750
Mixing Hgt(ft-agl/msl) 1820 2460
Transport Wnd (mph) E 17 E 17
Vent Rate (kt-ft) 27300 36900
Category Day 3 3
Inversion 8pm 55F/6am None None
Dispersion 3 3
Max ADI Early 17 Gen Poor 26 Fair 22 Fair 33 Fair
Max ADI Late 13 Gen Poor 33 Fair 18 Gen Poor 37 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 6 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-220815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 80 40 60 60
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 54 (-4) 62 (+1) 52 61
RH % (24h trend) 100 (+6) 86 (+11) 99 75
Wind 20ft/early(mph) NE 9 G18 NE 9 G18 E 13 G23 E 11 G21
Wind 20ft/late(mph) NE 8 G17 E 11 G20 E 11 G21 E 10 G19
Precip Amount 0.06 0.01 0.09 0.19
Precip Duration 5 2 4 9
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 5 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 690
Mixing Hgt(ft-agl/msl) 1740 2270
Transport Wnd (mph) E 20 E 17
Vent Rate (kt-ft) 29580 34050
Category Day 3 3
Inversion 9pm 55F/6am None None
Dispersion 3 3
Max ADI Early 16 Gen Poor 27 Fair 22 Fair 33 Fair
Max ADI Late 14 Gen Poor 35 Fair 17 Gen Poor 36 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 6 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-220815-
Coshocton-
Including the city of Coshocton
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Tstms
Chance Precip (%) 60 30 70 80
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 54 (-5) 64 (+2) 53 62
RH % (24h trend) 100 (0) 86 (+3) 100 86
Wind 20ft/early(mph) NE 7 NE 7 NE 9 G19 E 9 G17
Wind 20ft/late(mph) NE 5 NE 7 E 8 G17 E 8 G17
Precip Amount 0.05 0.00 0.10 0.28
Precip Duration 1 1 4 11
Precip Begin 6 PM 2 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 610 710
Mixing Hgt(ft-agl/msl) 2010 2320
Transport Wnd (mph) E 13 E 15
Vent Rate (kt-ft) 22110 30160
Category Day 2 3
Inversion 8pm 56F/6am 10pm 56F/4am
Dispersion 2 3
Max ADI Early 16 Gen Poor 23 Fair 16 Gen Poor 28 Fair
Max ADI Late 8 Poor 29 Fair 14 Gen Poor 30 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 8 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-220815-
Harrison-
Including the city of Cadiz
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Tstms
Chance Precip (%) 50 30 80 60
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 54 (-5) 65 (+3) 52 63
RH % (24h trend) 100 (+1) 83 (+1) 100 78
Wind 20ft/early(mph) NE 9 G17 NE 7 E 12 G22 E 11 G21
Wind 20ft/late(mph) NE 7 E 9 G19 E 11 G21 E 10 G20
Precip Amount 0.10 0.00 0.24 0.29
Precip Duration 1 1 5 9
Precip Begin 6 PM 10 AM Continuing Continuing
Precip End 12 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 560 760
Mixing Hgt(ft-agl/msl) 1850 2480
Transport Wnd (mph) E 14 E 16
Vent Rate (kt-ft) 22200 34720
Category Day 2 3
Inversion 8pm 56F/5am None None
Dispersion 2 3
Max ADI Early 16 Gen Poor 23 Fair 20 Gen Poor 32 Fair
Max ADI Late 12 Poor 30 Fair 16 Gen Poor 36 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 8 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-220815-
Jefferson OH-
Including the city of Steubenville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 60 40 80 60
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 54 (-5) 65 (+2) 52 62
RH % (24h trend) 100 (+2) 82 (+2) 100 74
Wind 20ft/early(mph) NE 9 G18 NE 8 G17 E 12 G22 E 11 G20
Wind 20ft/late(mph) NE 8 E 10 G20 E 11 G21 E 10 G19
Precip Amount 0.08 0.01 0.16 0.19
Precip Duration 3 1 4 8
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 550 750
Mixing Hgt(ft-agl/msl) 1810 2450
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 25340 34300
Category Day 2 3
Inversion 8pm 56F/8am None None
Dispersion 2 3
Max ADI Early 16 Gen Poor 23 Fair 21 Fair 34 Fair
Max ADI Late 12 Poor 30 Fair 15 Gen Poor 37 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 8 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-220815-
Muskingum-
Including the city of Zanesville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Tstms
Chance Precip (%) 50 20 60 80
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 55 (-7) 66 (+1) 54 63
RH % (24h trend) 100 (0) 86 (+1) 100 89
Wind 20ft/early(mph) NE 6 NE 5 NE 7 G17 E 8
Wind 20ft/late(mph) Lgt/Var NE 6 E 7 E 7
Precip Amount 0.03 0.00 0.08 0.29
Precip Duration 1 1 3 11
Precip Begin 6 PM 9 AM Continuing Continuing
Precip End 10 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 640 700
Mixing Hgt(ft-agl/msl) 2100 2300
Transport Wnd (mph) NE 12 E 14
Vent Rate (kt-ft) 21000 27600
Category Day 2 3
Inversion 9pm 56F/7am 8pm 58F/4am
Dispersion 2 3
Max ADI Early 14 Gen Poor 19 Gen Poor 13 Gen Poor 26 Fair
Max ADI Late 8 Poor 24 Fair 13 Gen Poor 29 Fair
Max LVORI Early 8 6 7 5
Max LVORI Late 8 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-220815-
Guernsey-
Including the city of Cambridge
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Tstms
Chance Precip (%) 50 30 70 80
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-6) 67 (+2) 53 64
RH % (24h trend) 100 (0) 82 (0) 100 79
Wind 20ft/early(mph) NE 6 NE 5 E 9 G20 E 9 G19
Wind 20ft/late(mph) Lgt/Var NE 6 E 8 G19 E 8 G18
Precip Amount 0.05 0.00 0.14 0.32
Precip Duration 1 1 3 11
Precip Begin 6 PM 10 AM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 610 720
Mixing Hgt(ft-agl/msl) 2000 2370
Transport Wnd (mph) E 12 E 15
Vent Rate (kt-ft) 20000 30810
Category Day 2 3
Inversion 8pm 56F/7am 8pm 57F/4am
Dispersion 2 3
Max ADI Early 14 Gen Poor 20 Gen Poor 16 Gen Poor 28 Fair
Max ADI Late 8 Poor 25 Fair 14 Gen Poor 31 Fair
Max LVORI Early 7 8 6 5
Max LVORI Late 8 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-220815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Tstms Showers
Chance Precip (%) 50 40 80 70
Chance of Thunder (%) 0 0 20 0
Temp (24h trend) 56 (-6) 67 (+2) 53 64
RH % (24h trend) 100 (0) 84 (+2) 100 77
Wind 20ft/early(mph) NE 7 NE 6 E 11 G21 E 10 G20
Wind 20ft/late(mph) NE 5 E 8 G18 E 10 G20 E 10 G19
Precip Amount 0.05 0.01 0.22 0.25
Precip Duration 2 2 5 9
Precip Begin 6 PM 7 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 510 720
Mixing Hgt(ft-agl/msl) 1690 2350
Transport Wnd (mph) E 13 E 16
Vent Rate (kt-ft) 18590 32900
Category Day 2 3
Inversion 8pm 60F/9am 8pm 56F/4am
Dispersion 2 3
Max ADI Early 14 Gen Poor 19 Gen Poor 18 Gen Poor 30 Fair
Max ADI Late 8 Poor 27 Fair 14 Gen Poor 33 Fair
Max LVORI Early 7 8 5 5
Max LVORI Late 8 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-220815-
Noble-
Including the city of Caldwell
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Tstms Tstms
Chance Precip (%) 40 30 70 70
Chance of Thunder (%) 20 0 20 20
Temp (24h trend) 56 (-8) 68 (0) 55 65
RH % (24h trend) 100 (0) 85 (+2) 100 84
Wind 20ft/early(mph) NE 5 Lgt/Var E 8 G19 E 8 G18
Wind 20ft/late(mph) Lgt/Var NE 5 E 8 G18 E 8 G17
Precip Amount 0.04 0.00 0.21 0.28
Precip Duration 1 1 5 9
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 2 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 580 720
Mixing Hgt(ft-agl/msl) 1900 2350
Transport Wnd (mph) E 10 E 13
Vent Rate (kt-ft) 17100 25850
Category Day 2 3
Inversion 9pm 60F/9am 7pm 58F/4am
Dispersion 2 3
Max ADI Early 11 Poor 17 Gen Poor 12 Poor 26 Fair
Max ADI Late 7 Poor 20 Gen Poor 13 Gen Poor 29 Fair
Max LVORI Early 8 8 7 5
Max LVORI Late 9 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-220815-
Monroe-
Including the city of Woodsfield
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Tstms Tstms
Chance Precip (%) 50 50 80 70
Chance of Thunder (%) 20 0 20 20
Temp (24h trend) 58 (-6) 70 (+1) 55 65
RH % (24h trend) 100 (0) 86 (+3) 100 81
Wind 20ft/early(mph) NE 5 Lgt/Var E 8 G19 E 8 G19
Wind 20ft/late(mph) Lgt/Var Lgt/Var E 8 G19 E 7 G18
Precip Amount 0.10 0.04 0.25 0.21
Precip Duration 2 2 7 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 470 710
Mixing Hgt(ft-agl/msl) 1550 2320
Transport Wnd (mph) E 10 E 14
Vent Rate (kt-ft) 13950 27840
Category Day 2 3
Inversion 8pm 61F/9am 7pm 57F/4am
Dispersion 2 3
Max ADI Early 10 Poor 15 Gen Poor 13 Gen Poor 27 Fair
Max ADI Late 7 Poor 18 Gen Poor 13 Gen Poor 29 Fair
Max LVORI Early 8 8 6 6
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-220815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 80 40 50 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-4) 62 (-2) 50 62
RH % (24h trend) 100 (+6) 82 (+13) 97 67
Wind 20ft/early(mph) E 7 E 10 G18 E 12 G21 E 12
Wind 20ft/late(mph) E 9 E 12 G20 E 11 G18 E 11
Precip Amount 0.10 0.01 0.02 0.07
Precip Duration 5 1 2 2
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 2 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 570 730
Mixing Hgt(ft-agl/msl) 1850 2400
Transport Wnd (mph) E 18 E 15
Vent Rate (kt-ft) 29600 31200
Category Day 3 3
Inversion 7pm 55F/9am None None
Dispersion 3 3
Max ADI Early 10 Poor 27 Fair 18 Gen Poor 34 Fair
Max ADI Late 12 Poor 33 Fair 12 Poor 37 Fair
Max LVORI Early 7 5 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-220815-
Venango-
Including the cities of Oil City and Franklin
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 60 40 50 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 49 (-3) 61 (-3) 48 62
RH % (24h trend) 100 (+3) 83 (+13) 97 64
Wind 20ft/early(mph) E 6 E 9 G17 E 9 G19 E 9 G18
Wind 20ft/late(mph) E 8 E 9 G19 E 9 G17 E 8 G17
Precip Amount 0.07 0.01 0.03 0.01
Precip Duration 4 2 1 2
Precip Begin 6 PM Continuing Continuing 6 AM
Precip End Continuing Continuing 5 AM Continuing
Mixing Hgt(m-agl/msl) 630 930
Mixing Hgt(ft-agl/msl) 2080 3040
Transport Wnd (mph) E 16 E 15
Vent Rate (kt-ft) 29120 39520
Category Day 3 3
Inversion 7pm 53F/9am 7pm 50F/8am
Dispersion 3 3
Max ADI Early 9 Poor 23 Fair 14 Gen Poor 36 Fair
Max ADI Late 11 Poor 31 Fair 11 Poor 38 Fair
Max LVORI Early 6 5 6 5
Max LVORI Late 7 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-220815-
Forest-
Including the city of Tionesta
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 50 40 40 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 47 (-4) 61 (-4) 45 62
RH % (24h trend) 100 (+5) 75 (+12) 95 56
Wind 20ft/early(mph) Lgt/Var E 6 G17 E 5 G17 E 6 G17
Wind 20ft/late(mph) E 5 E 6 G17 E 5 E 6
Precip Amount 0.05 0.00 0.02 0.01
Precip Duration 2 2 1 1
Precip Begin 6 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 5 AM Continuing
Mixing Hgt(m-agl/msl) 700 1070
Mixing Hgt(ft-agl/msl) 2310 3510
Transport Wnd (mph) E 16 E 14
Vent Rate (kt-ft) 32340 42120
Category Day 3 3
Inversion 7pm 51F/9am 7pm 48F/8am
Dispersion 3 3
Max ADI Early 10 Poor 27 Fair 8 Poor 34 Fair
Max ADI Late 8 Poor 32 Fair 8 Poor 51 Gen Good
Max LVORI Early 5 5 6 5
Max LVORI Late 8 4 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-220815-
Lawrence-
Including the cities of New Castle and Ellwood City
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 90 50 70 60
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 52 (-4) 62 (0) 50 62
RH % (24h trend) 100 (+7) 83 (+14) 99 70
Wind 20ft/early(mph) E 7 E 9 G18 E 11 G22 E 11 G19
Wind 20ft/late(mph) E 8 E 11 G20 E 10 G20 E 10 G18
Precip Amount 0.12 0.02 0.04 0.11
Precip Duration 6 2 3 5
Precip Begin 6 PM 8 AM Continuing Continuing
Precip End 6 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 680
Mixing Hgt(ft-agl/msl) 1730 2230
Transport Wnd (mph) E 18 E 18
Vent Rate (kt-ft) 27680 35680
Category Day 3 3
Inversion 8pm 55F/8am None None
Dispersion 3 3
Max ADI Early 11 Poor 28 Fair 21 Fair 33 Fair
Max ADI Late 14 Gen Poor 34 Fair 14 Gen Poor 37 Fair
Max LVORI Early 7 5 5 5
Max LVORI Late 5 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-220815-
Butler-
Including the city of Butler
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 90 70 80 50
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 51 (-4) 62 (+1) 48 61
RH % (24h trend) 100 (+3) 87 (+19) 100 72
Wind 20ft/early(mph) E 8 G19 E 10 G19 E 11 G23 E 11 G19
Wind 20ft/late(mph) E 10 G18 E 11 G21 E 10 G20 E 10 G18
Precip Amount 0.21 0.05 0.06 0.11
Precip Duration 8 6 3 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 750
Mixing Hgt(ft-agl/msl) 1750 2470
Transport Wnd (mph) E 20 E 16
Vent Rate (kt-ft) 29750 34580
Category Day 3 3
Inversion 7pm 54F/8am None None
Dispersion 3 3
Max ADI Early 12 Poor 29 Fair 21 Fair 37 Fair
Max ADI Late 14 Gen Poor 34 Fair 14 Gen Poor 38 Fair
Max LVORI Early 6 5 5 5
Max LVORI Late 5 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-220815-
Clarion-
Including the city of Clarion
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 80 70 50 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 50 (-3) 61 (-2) 48 61
RH % (24h trend) 100 (+4) 77 (+9) 97 61
Wind 20ft/early(mph) E 6 E 8 G19 E 9 G19 E 9 G19
Wind 20ft/late(mph) E 8 G17 E 8 G19 E 8 G18 E 8 G17
Precip Amount 0.15 0.04 0.04 0.02
Precip Duration 8 5 2 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 580 930
Mixing Hgt(ft-agl/msl) 1900 3050
Transport Wnd (mph) E 16 E 15
Vent Rate (kt-ft) 26600 39650
Category Day 3 3
Inversion 7pm 54F/9am 8pm 49F/7am
Dispersion 3 3
Max ADI Early 10 Poor 27 Fair 15 Gen Poor 34 Fair
Max ADI Late 12 Poor 30 Fair 11 Poor 39 Fair
Max LVORI Early 7 5 6 5
Max LVORI Late 7 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-220815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 80 70 40 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 48 (-5) 59 (-3) 46 60
RH % (24h trend) 100 (+6) 79 (+16) 95 61
Wind 20ft/early(mph) E 6 E 9 G20 E 10 G20 E 10 G20
Wind 20ft/late(mph) E 9 G18 E 9 G20 E 9 G20 E 8 G19
Precip Amount 0.26 0.03 0.03 0.01
Precip Duration 9 6 2 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 580 920
Mixing Hgt(ft-agl/msl) 1900 3030
Transport Wnd (mph) E 17 E 16
Vent Rate (kt-ft) 28500 42420
Category Day 3 3
Inversion 7pm 53F/9am 7pm 49F/8am
Dispersion 3 3
Max ADI Early 11 Poor 30 Fair 15 Gen Poor 38 Fair
Max ADI Late 12 Poor 31 Fair 12 Poor 42 Gen Good
Max LVORI Early 6 5 5 5
Max LVORI Late 7 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-220815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 80 50 70 70
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 54 (-3) 62 (0) 51 61
RH % (24h trend) 100 (+4) 85 (+20) 99 74
Wind 20ft/early(mph) NE 9 G19 E 8 G18 E 12 G23 E 11 G20
Wind 20ft/late(mph) E 8 G18 E 11 G21 E 10 G21 E 10 G19
Precip Amount 0.08 0.03 0.11 0.13
Precip Duration 6 2 4 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 780
Mixing Hgt(ft-agl/msl) 1740 2550
Transport Wnd (mph) E 18 E 17
Vent Rate (kt-ft) 27840 38250
Category Day 3 3
Inversion 8pm 56F/6am None None
Dispersion 3 3
Max ADI Early 16 Gen Poor 26 Fair 21 Fair 34 Fair
Max ADI Late 14 Gen Poor 33 Fair 15 Gen Poor 37 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 6 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-220815-
Allegheny-
Including the city of Pittsburgh Metro Area
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 90 70 80 60
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 55 (-3) 64 (+2) 51 62
RH % (24h trend) 100 (+2) 85 (+14) 100 75
Wind 20ft/early(mph) NE 11 G20 E 11 G19 E 13 G23 E 12 G19
Wind 20ft/late(mph) E 10 G18 E 13 G22 E 11 G21 E 12
Precip Amount 0.28 0.05 0.19 0.11
Precip Duration 8 4 4 5
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 540 850
Mixing Hgt(ft-agl/msl) 1760 2790
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 24640 39060
Category Day 2 3
Inversion 7pm 57F/8am None None
Dispersion 2 3
Max ADI Early 12 Poor 26 Fair 20 Gen Poor 35 Fair
Max ADI Late 13 Gen Poor 31 Fair 15 Gen Poor 39 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 6 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-220815-
Armstrong-
Including the cities of Kittanning and Ford City
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 90 80 60 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-3) 61 (0) 49 62
RH % (24h trend) 100 (+4) 84 (+14) 100 69
Wind 20ft/early(mph) E 8 G18 E 10 G19 E 11 G22 E 10 G19
Wind 20ft/late(mph) E 9 G18 E 10 G20 E 10 G20 E 9 G18
Precip Amount 0.30 0.05 0.07 0.09
Precip Duration 9 8 3 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 540 760
Mixing Hgt(ft-agl/msl) 1770 2480
Transport Wnd (mph) E 18 E 15
Vent Rate (kt-ft) 28320 32240
Category Day 3 3
Inversion 7pm 55F/8am 8pm 51F/8am
Dispersion 3 3
Max ADI Early 11 Poor 28 Fair 18 Gen Poor 35 Fair
Max ADI Late 13 Gen Poor 32 Fair 13 Gen Poor 36 Fair
Max LVORI Early 6 5 6 5
Max LVORI Late 6 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-220815-
Washington-
Including the cities of Washington and Canonsburg
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 80 60 90 60
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 55 (-4) 64 (+1) 52 61
RH % (24h trend) 100 (+1) 84 (+1) 99 76
Wind 20ft/early(mph) NE 10 G19 E 8 G17 E 13 G23 E 12 G20
Wind 20ft/late(mph) NE 8 G17 E 11 G21 E 11 G21 E 12 G20
Precip Amount 0.23 0.07 0.20 0.17
Precip Duration 6 4 6 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 560 770
Mixing Hgt(ft-agl/msl) 1850 2520
Transport Wnd (mph) E 16 E 17
Vent Rate (kt-ft) 25900 37800
Category Day 2 3
Inversion 7pm 59F/9am None None
Dispersion 2 3
Max ADI Early 13 Gen Poor 22 Fair 20 Gen Poor 36 Fair
Max ADI Late 11 Poor 31 Fair 15 Gen Poor 39 Fair
Max LVORI Early 6 6 5 5
Max LVORI Late 8 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-220815-
Greene-
Including the city of Waynesburg
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 80 70 80 70
Chance of Thunder (%) 20 20 20 0
Temp (24h trend) 57 (-6) 66 (-1) 52 62
RH % (24h trend) 100 (+1) 87 (-3) 100 79
Wind 20ft/early(mph) NE 6 E 5 E 11 G20 E 9 G18
Wind 20ft/late(mph) Lgt/Var E 8 G17 E 9 G19 E 9 G18
Precip Amount 0.35 0.21 0.24 0.18
Precip Duration 7 6 8 9
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 560 730
Mixing Hgt(ft-agl/msl) 1830 2410
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 25620 33740
Category Day 2 3
Inversion 7pm 60F/9am 7pm 55F/9am
Dispersion 2 3
Max ADI Early 9 Poor 19 Gen Poor 15 Gen Poor 32 Fair
Max ADI Late 6 Very Poor 28 Fair 14 Gen Poor 35 Fair
Max LVORI Early 8 8 6 6
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-220815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 90 80 80 80
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-5) 63 (+1) 50 62
RH % (24h trend) 100 (+1) 85 (+3) 100 75
Wind 20ft/early(mph) NE 11 G20 E 11 G19 E 14 G23 E 13 G21
Wind 20ft/late(mph) E 9 G18 E 13 G22 E 12 G23 E 13
Precip Amount 0.39 0.10 0.14 0.19
Precip Duration 9 5 5 4
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 780
Mixing Hgt(ft-agl/msl) 1740 2550
Transport Wnd (mph) E 17 E 16
Vent Rate (kt-ft) 26100 35700
Category Day 3 3
Inversion 6pm 59F/9am None None
Dispersion 3 3
Max ADI Early 12 Poor 28 Fair 19 Gen Poor 36 Fair
Max ADI Late 11 Poor 30 Fair 14 Gen Poor 38 Fair
Max LVORI Early 7 5 5 5
Max LVORI Late 7 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-220815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 100 80 80 80
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-3) 63 (+2) 48 61
RH % (24h trend) 100 (+1) 81 (+1) 100 71
Wind 20ft/early(mph) E 9 G21 E 11 G22 E 15 G26 E 13 G24
Wind 20ft/late(mph) E 9 G21 E 12 G22 E 13 G25 E 11 G20
Precip Amount 0.52 0.18 0.24 0.16
Precip Duration 10 7 8 4
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 500 710
Mixing Hgt(ft-agl/msl) 1640 2330
Transport Wnd (mph) SE 22 E 17
Vent Rate (kt-ft) 31160 34950
Category Day 3 3
Inversion 6pm 57F/9am None None
Dispersion 3 3
Max ADI Early 12 Poor 33 Fair 22 Fair 36 Fair
Max ADI Late 13 Gen Poor 36 Fair 20 Gen Poor 38 Fair
Max LVORI Early 6 5 5 5
Max LVORI Late 7 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-220815-
Fayette-
Including the city of Uniontown
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 90 70 80 80
Chance of Thunder (%) 20 20 20 0
Temp (24h trend) 57 (-6) 65 (-1) 52 62
RH % (24h trend) 100 (+1) 83 (-3) 99 77
Wind 20ft/early(mph) E 7 E 7 G17 E 12 G23 E 10 G22
Wind 20ft/late(mph) E 5 E 10 G21 E 10 G23 E 10 G18
Precip Amount 0.55 0.19 0.20 0.23
Precip Duration 9 5 7 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 520 780
Mixing Hgt(ft-agl/msl) 1700 2550
Transport Wnd (mph) SE 17 E 16
Vent Rate (kt-ft) 25500 35700
Category Day 3 3
Inversion 6pm 60F/9am None None
Dispersion 3 3
Max ADI Early 10 Poor 27 Fair 15 Gen Poor 35 Fair
Max ADI Late 7 Poor 30 Fair 13 Gen Poor 37 Fair
Max LVORI Early 8 8 6 5
Max LVORI Late 9 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-220815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 100 70 70 80
Chance of Thunder (%) 20 20 20 0
Temp (24h trend) 53 (-6) 63 (-1) 48 60
RH % (24h trend) 100 (0) 79 (-2) 100 72
Wind 20ft/early(mph) E 7 G19 E 7 G19 E 12 G24 E 11 G23
Wind 20ft/late(mph) E 6 G19 E 9 G22 E 11 G24 E 9 G20
Precip Amount 0.60 0.27 0.23 0.25
Precip Duration 8 7 6 6
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 480 700
Mixing Hgt(ft-agl/msl) 1570 2300
Transport Wnd (mph) SE 22 E 18
Vent Rate (kt-ft) 29830 36800
Category Day 3 3
Inversion 6pm 57F/9am None None
Dispersion 3 3
Max ADI Early 11 Poor 32 Fair 23 Fair 37 Fair
Max ADI Late 10 Poor 38 Fair 21 Fair 40 Fair
Max LVORI Early 7 5 5 5
Max LVORI Late 8 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-220815-
Indiana-
Including the city of Indiana
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 90 80 60 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-5) 61 (+1) 47 61
RH % (24h trend) 100 (+5) 84 (+14) 99 70
Wind 20ft/early(mph) E 9 G18 E 10 G21 E 12 G23 E 11 G21
Wind 20ft/late(mph) E 10 G18 E 11 G21 E 11 G21 E 10 G20
Precip Amount 0.49 0.11 0.09 0.07
Precip Duration 11 8 3 2
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 520 730
Mixing Hgt(ft-agl/msl) 1710 2390
Transport Wnd (mph) E 18 E 14
Vent Rate (kt-ft) 27360 28680
Category Day 3 3
Inversion 6pm 55F/8am None None
Dispersion 3 3
Max ADI Early 12 Poor 30 Fair 18 Gen Poor 36 Fair
Max ADI Late 13 Gen Poor 31 Fair 14 Gen Poor 36 Fair
Max LVORI Early 6 5 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-220815-
Higher Elevations of Indiana-
Including the city of Armagh
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 100 90 80 60
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 52 (-3) 60 (+1) 48 59
RH % (24h trend) 100 (+3) 85 (+17) 100 73
Wind 20ft/early(mph) E 9 G19 E 10 G22 E 12 G23 E 11 G22
Wind 20ft/late(mph) E 9 G19 E 11 G22 E 12 G23 E 10 G20
Precip Amount 0.46 0.14 0.15 0.08
Precip Duration 11 7 5 3
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 510 710
Mixing Hgt(ft-agl/msl) 1680 2340
Transport Wnd (mph) E 20 E 15
Vent Rate (kt-ft) 28560 30420
Category Day 3 3
Inversion 6pm 55F/8am None None
Dispersion 3 3
Max ADI Early 12 Poor 31 Fair 17 Gen Poor 35 Fair
Max ADI Late 14 Gen Poor 34 Fair 16 Gen Poor 36 Fair
Max LVORI Early 6 5 5 5
Max LVORI Late 6 4 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-220815-
Hancock-
Including the city of Weirton
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Tstms
Chance Precip (%) 70 40 70 70
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 55 (-4) 63 (0) 52 61
RH % (24h trend) 100 (+3) 85 (+12) 98 74
Wind 20ft/early(mph) NE 9 G19 NE 8 G18 E 12 G23 E 10 G20
Wind 20ft/late(mph) NE 8 G17 E 10 G21 E 11 G21 E 10 G19
Precip Amount 0.10 0.02 0.14 0.14
Precip Duration 5 2 4 8
Precip Begin 6 PM 7 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 790
Mixing Hgt(ft-agl/msl) 1730 2590
Transport Wnd (mph) E 16 E 17
Vent Rate (kt-ft) 24220 38850
Category Day 2 3
Inversion 9pm 56F/6am None None
Dispersion 2 3
Max ADI Early 17 Gen Poor 24 Fair 21 Fair 37 Fair
Max ADI Late 13 Gen Poor 32 Fair 15 Gen Poor 39 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 7 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-220815-
Brooke-
Including the cities of Follansbee and Wellsburg
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Showers Showers Showers Showers
Chance Precip (%) 70 50 90 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (-5) 66 (+3) 53 62
RH % (24h trend) 100 (+4) 84 (+3) 99 75
Wind 20ft/early(mph) NE 9 G18 NE 7 E 12 G23 E 11 G20
Wind 20ft/late(mph) NE 8 E 10 G20 E 11 G20 E 11 G19
Precip Amount 0.14 0.01 0.17 0.22
Precip Duration 4 2 5 8
Precip Begin 6 PM 7 AM Continuing Continuing
Precip End 4 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 540 740
Mixing Hgt(ft-agl/msl) 1780 2430
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 24920 34020
Category Day 2 3
Inversion 7pm 57F/8am None None
Dispersion 2 3
Max ADI Early 16 Gen Poor 23 Fair 19 Gen Poor 36 Fair
Max ADI Late 12 Poor 31 Fair 15 Gen Poor 38 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 7 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-220815-
Ohio-
Including the city of Wheeling
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Tstms Showers
Chance Precip (%) 60 50 90 60
Chance of Thunder (%) 20 0 20 0
Temp (24h trend) 56 (-5) 65 (+2) 53 63
RH % (24h trend) 100 (+1) 87 (+2) 100 78
Wind 20ft/early(mph) NE 8 G17 NE 7 E 12 G23 E 11 G20
Wind 20ft/late(mph) NE 7 E 9 G19 E 11 G20 E 10 G19
Precip Amount 0.08 0.03 0.28 0.23
Precip Duration 4 2 7 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 730
Mixing Hgt(ft-agl/msl) 1740 2400
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 24360 33600
Category Day 2 3
Inversion 7pm 59F/9am None None
Dispersion 2 3
Max ADI Early 14 Gen Poor 21 Fair 18 Gen Poor 33 Fair
Max ADI Late 11 Poor 28 Fair 15 Gen Poor 36 Fair
Max LVORI Early 7 8 5 5
Max LVORI Late 8 5 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-220815-
Marshall-
Including the city of Moundsville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Showers Tstms Showers
Chance Precip (%) 60 60 80 70
Chance of Thunder (%) 20 0 20 0
Temp (24h trend) 58 (-5) 68 (+1) 54 64
RH % (24h trend) 100 (0) 90 (+1) 100 83
Wind 20ft/early(mph) NE 6 NE 5 E 10 G20 E 10 G19
Wind 20ft/late(mph) Lgt/Var E 7 G17 E 10 G19 E 9 G18
Precip Amount 0.12 0.11 0.30 0.19
Precip Duration 3 3 8 8
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 480 720
Mixing Hgt(ft-agl/msl) 1590 2370
Transport Wnd (mph) E 13 E 16
Vent Rate (kt-ft) 17490 33180
Category Day 2 3
Inversion 8pm 63F/10am 7pm 56F/4am
Dispersion 2 3
Max ADI Early 11 Poor 17 Gen Poor 17 Gen Poor 29 Fair
Max ADI Late 6 Very Poor 23 Fair 14 Gen Poor 34 Fair
Max LVORI Early 8 8 6 5
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-220815-
Wetzel-
Including the city of New Martinsville
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 80 70 80 70
Chance of Thunder (%) 30 20 20 0
Temp (24h trend) 59 (-5) 69 (-2) 54 65
RH % (24h trend) 100 (0) 89 (0) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var E 9 G20 E 9 G18
Wind 20ft/late(mph) Lgt/Var E 5 E 9 G19 E 8 G18
Precip Amount 0.19 0.18 0.29 0.16
Precip Duration 6 5 9 9
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 470 700
Mixing Hgt(ft-agl/msl) 1550 2300
Transport Wnd (mph) E 10 E 15
Vent Rate (kt-ft) 13950 29900
Category Day 2 3
Inversion 7pm 64F/10am 7pm 56F/9am
Dispersion 2 3
Max ADI Early 6 Very Poor 13 Gen Poor 13 Gen Poor 27 Fair
Max ADI Late 4 Very Poor 22 Fair 14 Gen Poor 30 Fair
Max LVORI Early 9 9 7 6
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-220815-
Marion-
Including the city of Fairmont
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 90 80 80 70
Chance of Thunder (%) 40 20 20 0
Temp (24h trend) 59 (-5) 67 (-5) 53 63
RH % (24h trend) 100 (+1) 88 (-1) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var E 10 G19 E 9 G17
Wind 20ft/late(mph) Lgt/Var E 7 E 9 G18 E 9 G17
Precip Amount 0.43 0.32 0.37 0.16
Precip Duration 7 8 9 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 530 690
Mixing Hgt(ft-agl/msl) 1750 2260
Transport Wnd (mph) E 15 E 15
Vent Rate (kt-ft) 22750 29380
Category Day 2 3
Inversion 6pm 64F/10am 7pm 55F/9am
Dispersion 2 3
Max ADI Early 6 Very Poor 16 Gen Poor 13 Gen Poor 28 Fair
Max ADI Late 4 Very Poor 26 Fair 13 Gen Poor 31 Fair
Max LVORI Early 9 9 7 7
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-220815-
Monongalia-
Including the city of Morgantown
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 90 90 80 70
Chance of Thunder (%) 30 20 20 0
Temp (24h trend) 58 (-6) 66 (-4) 52 62
RH % (24h trend) 100 (0) 85 (-3) 100 80
Wind 20ft/early(mph) NE 5 Lgt/Var E 11 G21 E 9 G20
Wind 20ft/late(mph) Lgt/Var E 8 G17 E 10 G21 E 9 G17
Precip Amount 0.45 0.30 0.30 0.17
Precip Duration 8 8 8 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 520 670
Mixing Hgt(ft-agl/msl) 1700 2200
Transport Wnd (mph) E 16 E 15
Vent Rate (kt-ft) 23800 28600
Category Day 2 3
Inversion 6pm 61F/9am 7pm 55F/9am
Dispersion 2 3
Max ADI Early 7 Poor 19 Gen Poor 13 Gen Poor 31 Fair
Max ADI Late 5 Very Poor 28 Fair 14 Gen Poor 34 Fair
Max LVORI Early 9 9 6 7
Max LVORI Late 9 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-220815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 100 80 80 80
Chance of Thunder (%) 40 20 20 0
Temp (24h trend) 55 (-7) 64 (-3) 50 60
RH % (24h trend) 100 (0) 84 (-3) 100 78
Wind 20ft/early(mph) E 5 E 5 E 11 G22 E 10 G21
Wind 20ft/late(mph) Lgt/Var E 8 G19 E 11 G22 E 8 G18
Precip Amount 0.59 0.31 0.26 0.16
Precip Duration 8 9 7 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 480 650
Mixing Hgt(ft-agl/msl) 1580 2120
Transport Wnd (mph) SE 20 E 16
Vent Rate (kt-ft) 26860 29680
Category Day 3 3
Inversion 6pm 61F/10am None None
Dispersion 3 3
Max ADI Early 10 Poor 24 Fair 22 Fair 35 Fair
Max ADI Late 8 Poor 33 Fair 19 Gen Poor 37 Fair
Max LVORI Early 8 7 5 5
Max LVORI Late 9 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-220815-
Preston-
Including the cities of Kingwood and Bruceton Mills
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 100 80 80 80
Chance of Thunder (%) 40 20 20 0
Temp (24h trend) 55 (-8) 66 (-3) 49 61
RH % (24h trend) 100 (0) 80 (-3) 100 75
Wind 20ft/early(mph) E 5 E 5 E 11 G23 E 10 G22
Wind 20ft/late(mph) Lgt/Var E 8 G20 E 10 G23 E 9 G20
Precip Amount 0.61 0.34 0.24 0.15
Precip Duration 8 9 6 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 480 620
Mixing Hgt(ft-agl/msl) 1570 2030
Transport Wnd (mph) SE 20 E 17
Vent Rate (kt-ft) 26690 30450
Category Day 3 3
Inversion 6pm 62F/10am 7pm 53F/9am
Dispersion 3 3
Max ADI Early 10 Poor 25 Fair 23 Fair 35 Fair
Max ADI Late 8 Poor 35 Fair 20 Gen Poor 38 Fair
Max LVORI Early 8 8 5 5
Max LVORI Late 9 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-220815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 100 90 80 80
Chance of Thunder (%) 40 20 20 0
Temp (24h trend) 54 (-7) 64 (-2) 48 59
RH % (24h trend) 100 (0) 85 (-4) 100 79
Wind 20ft/early(mph) E 7 G17 E 6 G17 E 13 G25 E 12 G24
Wind 20ft/late(mph) SE 6 G17 E 9 G22 E 14 G25 E 10 G22
Precip Amount 0.56 0.36 0.26 0.19
Precip Duration 9 10 8 9
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 440 570
Mixing Hgt(ft-agl/msl) 1450 1880
Transport Wnd (mph) SE 20 E 18
Vent Rate (kt-ft) 24650 30080
Category Day 2 3
Inversion 6pm 59F/10am None None
Dispersion 2 3
Max ADI Early 12 Poor 26 Fair 24 Fair 37 Fair
Max ADI Late 10 Poor 35 Fair 21 Fair 41 Gen Good
Max LVORI Early 8 5 5 5
Max LVORI Late 8 4 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-220815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms Showers
Chance Precip (%) 90 90 80 60
Chance of Thunder (%) 40 20 20 0
Temp (24h trend) 59 (-4) 67 (-5) 51 61
RH % (24h trend) 100 (0) 80 (-4) 100 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var E 10 G24 E 9 G23
Wind 20ft/late(mph) Lgt/Var E 6 G18 E 10 G24 E 8 G18
Precip Amount 0.55 0.41 0.28 0.20
Precip Duration 9 10 8 6
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 490 560
Mixing Hgt(ft-agl/msl) 1600 1850
Transport Wnd (mph) SE 15 E 16
Vent Rate (kt-ft) 20800 25900
Category Day 2 2
Inversion 6pm 61F/10am 7pm 53F/10am
Dispersion 2 2
Max ADI Early 9 Poor 20 Gen Poor 20 Gen Poor 30 Fair
Max ADI Late 5 Very Poor 29 Fair 17 Gen Poor 33 Fair
Max LVORI Early 9 8 5 5
Max LVORI Late 9 5 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-220815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
144 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud Cover Cloudy Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Showers Showers
Chance Precip (%) 90 90 90 70
Chance of Thunder (%) 40 20 0 0
Temp (24h trend) 52 (-8) 61 (-4) 44 54
RH % (24h trend) 100 (+1) 93 (0) 100 91
Wind 20ft/early(mph) Lgt/Var Lgt/Var E 10 G27 E 9 G26
Wind 20ft/late(mph) Lgt/Var E 6 G19 E 11 G27 E 7 G21
Precip Amount 0.50 0.51 0.35 0.38
Precip Duration 9 10 9 7
Precip Begin 6 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 400 480
Mixing Hgt(ft-agl/msl) 1320 1560
Transport Wnd (mph) E 17 E 17
Vent Rate (kt-ft) 19800 23400
Category Day 2 2
Inversion 6pm 58F/10am 7pm 49F/9am
Dispersion 2 2
Max ADI Early 10 Poor 20 Gen Poor 20 Gen Poor 29 Fair
Max ADI Late 8 Poor 27 Fair 20 Gen Poor 31 Fair
Max LVORI Early 8 8 5 5
Max LVORI Late 9 5 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. A chance of showers. Lows around 50.
Highs in the mid 60s. East winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
60s. Northeast winds 5 to 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. North winds 5 to 10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 40s. Highs around 70.
North winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s. Northeast winds around 5 mph.
$$
CL