Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
743
FNUS51 KPBZ 231714
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
114 PM EDT Sun Aug 23 2026
.DISCUSSION...
Scattered to numerous showers are expected into this evening north
of US-422, with more isolated activity elsewhere. Showers largely
cease this evening, and then mostly dry weather is expected
through Tuesday.
Cold advection will keep temperatures about 10 degrees below
normal this afternoon and Monday, with 15 to 25 MPH wind gusts
both afternoons. Relative humidity will mostly stay above 50
percent.
OHZ039-240815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-7) 73 (0) 53 77
RH % (24h trend) 99 (0) 56 (-4) 100 53
Wind 20ft/early(mph) W 6 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1630 1710
Mixing Hgt(ft-agl/msl) 5350 5610
Transport Wnd (mph) W 15 W 7
Vent Rate (kt-ft) 69550 33660
Category Day 4 3
Inversion 8pm 56F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 9 Poor 62 Good 8 Poor 25 Fair
Max ADI Late 5 Very Poor 90 Good 4 Very Poor 44 Gen Good
Max LVORI Early 6 7 6 8
Max LVORI Late 9 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-240815-
Carroll-
Including the cities of Carrollton and Malvern
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-6) 71 (-1) 54 77
RH % (24h trend) 100 (0) 59 (-2) 98 54
Wind 20ft/early(mph) W 6 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) W 5 W 9 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1590 1540
Mixing Hgt(ft-agl/msl) 5220 5050
Transport Wnd (mph) W 16 NW 8
Vent Rate (kt-ft) 73080 35350
Category Day 4 3
Inversion 8pm 56F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 9 Poor 63 Good 11 Poor 31 Fair
Max ADI Late 5 Very Poor 93 Good 5 Very Poor 50 Gen Good
Max LVORI Early 6 8 6 7
Max LVORI Late 9 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-240815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-6) 71 (-1) 54 77
RH % (24h trend) 100 (+1) 59 (-2) 98 54
Wind 20ft/early(mph) W 6 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1550 1590
Mixing Hgt(ft-agl/msl) 5070 5220
Transport Wnd (mph) W 17 NW 9
Vent Rate (kt-ft) 76050 41760
Category Day 4 3
Inversion 8pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 67 Good 10 Poor 34 Fair
Max ADI Late 6 Very Poor 95 Good 5 Very Poor 57 Gen Good
Max LVORI Early 6 8 6 7
Max LVORI Late 9 2 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-240815-
Coshocton-
Including the city of Coshocton
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-7) 73 (+1) 53 77
RH % (24h trend) 98 (-2) 56 (-4) 100 53
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1680 1770
Mixing Hgt(ft-agl/msl) 5520 5800
Transport Wnd (mph) W 15 W 6
Vent Rate (kt-ft) 71760 29000
Category Day 4 3
Inversion 8pm 56F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 7 Poor 59 Gen Good 7 Poor 22 Fair
Max ADI Late 6 Very Poor 90 Good 3 Very Poor 40 Fair
Max LVORI Early 6 7 6 9
Max LVORI Late 8 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-240815-
Harrison-
Including the city of Cadiz
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-6) 72 (-1) 54 77
RH % (24h trend) 100 (0) 56 (-1) 99 53
Wind 20ft/early(mph) W 5 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1620 1790
Mixing Hgt(ft-agl/msl) 5330 5880
Transport Wnd (mph) W 15 W 7
Vent Rate (kt-ft) 69290 35280
Category Day 4 3
Inversion 8pm 57F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 8 Poor 62 Good 8 Poor 33 Fair
Max ADI Late 8 Poor 90 Good 4 Very Poor 49 Gen Good
Max LVORI Early 6 8 6 8
Max LVORI Late 9 1 9 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-240815-
Jefferson OH-
Including the city of Steubenville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-7) 72 (-1) 54 77
RH % (24h trend) 99 (-1) 55 (-1) 97 50
Wind 20ft/early(mph) W 6 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) W 5 W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1640 1660
Mixing Hgt(ft-agl/msl) 5390 5450
Transport Wnd (mph) W 15 NW 8
Vent Rate (kt-ft) 70070 38150
Category Day 4 3
Inversion 8pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 65 Good 8 Poor 35 Fair
Max ADI Late 7 Poor 91 Good 4 Very Poor 53 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 9 1 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-240815-
Muskingum-
Including the city of Zanesville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-7) 73 (+1) 53 77
RH % (24h trend) 96 (-2) 57 (-2) 99 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1670 1580
Mixing Hgt(ft-agl/msl) 5480 5200
Transport Wnd (mph) W 15 W 5
Vent Rate (kt-ft) 71240 20800
Category Day 4 2
Inversion 7pm 62F/10am 8pm 60F/9am
Dispersion 4 2
Max ADI Early 7 Poor 54 Gen Good 5 Very Poor 20 Gen Poor
Max ADI Late 6 Very Poor 87 Good 3 Very Poor 36 Fair
Max LVORI Early 6 6 6 9
Max LVORI Late 7 1 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-240815-
Guernsey-
Including the city of Cambridge
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-7) 73 (0) 54 78
RH % (24h trend) 100 (0) 56 (-3) 100 52
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1670 1700
Mixing Hgt(ft-agl/msl) 5480 5590
Transport Wnd (mph) W 15 W 6
Vent Rate (kt-ft) 71240 27950
Category Day 4 3
Inversion 7pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 7 Poor 57 Gen Good 5 Very Poor 23 Fair
Max ADI Late 7 Poor 91 Good 3 Very Poor 45 Gen Good
Max LVORI Early 7 7 6 9
Max LVORI Late 9 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-240815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 73 (0) 55 78
RH % (24h trend) 99 (-1) 56 (-1) 98 52
Wind 20ft/early(mph) W 5 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1640 1730
Mixing Hgt(ft-agl/msl) 5390 5670
Transport Wnd (mph) W 14 W 7
Vent Rate (kt-ft) 64680 34020
Category Day 4 3
Inversion 7pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 8 Poor 60 Gen Good 5 Very Poor 34 Fair
Max ADI Late 8 Poor 86 Good 3 Very Poor 47 Gen Good
Max LVORI Early 7 8 6 7
Max LVORI Late 9 1 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-240815-
Noble-
Including the city of Caldwell
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-7) 73 (0) 54 78
RH % (24h trend) 99 (-1) 55 (-2) 99 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1660 1690
Mixing Hgt(ft-agl/msl) 5430 5550
Transport Wnd (mph) W 14 W 6
Vent Rate (kt-ft) 65160 27750
Category Day 4 3
Inversion 7pm 58F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 6 Very Poor 58 Gen Good 5 Very Poor 24 Fair
Max ADI Late 6 Very Poor 84 Good 3 Very Poor 41 Gen Good
Max LVORI Early 7 7 7 9
Max LVORI Late 9 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-240815-
Monroe-
Including the city of Woodsfield
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 73 (-1) 55 78
RH % (24h trend) 99 (-1) 53 (-2) 99 52
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1660 1730
Mixing Hgt(ft-agl/msl) 5430 5660
Transport Wnd (mph) W 14 W 6
Vent Rate (kt-ft) 65160 28300
Category Day 4 3
Inversion 7pm 59F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 6 Very Poor 56 Gen Good 5 Very Poor 29 Fair
Max ADI Late 5 Very Poor 84 Good 3 Very Poor 46 Gen Good
Max LVORI Early 7 8 7 8
Max LVORI Late 9 1 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-240815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 52 (-7) 70 (-2) 53 77
RH % (24h trend) 100 (0) 64 (-1) 100 57
Wind 20ft/early(mph) W 6 W 8 W 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 11 G18 Lgt/Var NW 7
Precip Amount 0.18 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1270 1360
Mixing Hgt(ft-agl/msl) 4160 4460
Transport Wnd (mph) W 17 NW 10
Vent Rate (kt-ft) 62400 40140
Category Day 4 3
Inversion 8pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 18 Gen Poor 49 Gen Good 17 Gen Poor 43 Gen Good
Max ADI Late 5 Very Poor 47 Gen Good 4 Very Poor 52 Gen Good
Max LVORI Early 8 9 6 8
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-240815-
Venango-
Including the cities of Oil City and Franklin
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Pcldy
Precip Type Tstms None Showers None
Chance Precip (%) 90 0 10 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 52 (-7) 67 (-3) 53 74
RH % (24h trend) 100 (+1) 75 (+4) 100 65
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 G17 Lgt/Var NW 6
Precip Amount 0.20 0.00 0.01 0.00
Precip Duration 4 1
Precip Begin 6 PM 7 PM
Precip End 3 AM 5 AM
Mixing Hgt(m-agl/msl) 1120 1340
Mixing Hgt(ft-agl/msl) 3660 4380
Transport Wnd (mph) W 17 NW 12
Vent Rate (kt-ft) 54900 43800
Category Day 4 3
Inversion 7pm 55F/9am 8pm 58F/9am
Dispersion 4 3
Max ADI Early 19 Gen Poor 53 Gen Good 19 Gen Poor 37 Fair
Max ADI Late 5 Very Poor 56 Gen Good 5 Very Poor 59 Gen Good
Max LVORI Early 9 8 6 8
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-240815-
Forest-
Including the city of Tionesta
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Pcldy
Precip Type Tstms Tstms Showers None
Chance Precip (%) 90 30 20 0
Chance of Thunder (%) 30 20 0 0
Temp (24h trend) 50 (-9) 66 (-4) 52 74
RH % (24h trend) 100 (+2) 72 (+2) 100 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 G17 Lgt/Var NW 5
Precip Amount 0.18 0.01 0.01 0.00
Precip Duration 4 1 1
Precip Begin 6 PM 1 PM Continuing
Precip End 4 AM Continuing 5 AM
Mixing Hgt(m-agl/msl) 990 1290
Mixing Hgt(ft-agl/msl) 3250 4220
Transport Wnd (mph) W 16 NW 12
Vent Rate (kt-ft) 45500 42200
Category Day 3 3
Inversion 7pm 53F/8am 8pm 55F/8am
Dispersion 3 3
Max ADI Early 10 Poor 51 Gen Good 9 Poor 41 Gen Good
Max ADI Late 4 Very Poor 54 Gen Good 5 Very Poor 61 Good
Max LVORI Early 9 8 7 8
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-240815-
Lawrence-
Including the cities of New Castle and Ellwood City
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-6) 71 (-2) 53 78
RH % (24h trend) 100 (0) 58 (-3) 100 54
Wind 20ft/early(mph) W 5 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 Lgt/Var NW 5
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 2
Precip Begin 7 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1420 1480
Mixing Hgt(ft-agl/msl) 4670 4860
Transport Wnd (mph) W 16 NW 9
Vent Rate (kt-ft) 65380 38880
Category Day 4 3
Inversion 8pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 68 Good 19 Gen Poor 36 Fair
Max ADI Late 6 Very Poor 82 Good 4 Very Poor 56 Gen Good
Max LVORI Early 8 9 6 8
Max LVORI Late 9 3 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-240815-
Butler-
Including the city of Butler
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 52 (-7) 70 (-3) 53 77
RH % (24h trend) 100 (0) 65 (-1) 100 59
Wind 20ft/early(mph) W 5 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 Lgt/Var NW 5
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 1
Precip Begin 9 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1450 1500
Mixing Hgt(ft-agl/msl) 4750 4930
Transport Wnd (mph) W 15 NW 12
Vent Rate (kt-ft) 61750 49300
Category Day 4 3
Inversion 8pm 57F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 11 Poor 63 Good 18 Gen Poor 39 Fair
Max ADI Late 6 Very Poor 62 Good 5 Very Poor 61 Good
Max LVORI Early 8 9 6 8
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-240815-
Clarion-
Including the city of Clarion
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 52 (-8) 67 (-4) 53 75
RH % (24h trend) 100 (+2) 69 (+2) 100 62
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 G17 Lgt/Var NW 5
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1220 1340
Mixing Hgt(ft-agl/msl) 3990 4390
Transport Wnd (mph) W 16 NW 12
Vent Rate (kt-ft) 55860 43900
Category Day 4 3
Inversion 8pm 55F/9am 8pm 58F/9am
Dispersion 4 3
Max ADI Early 18 Gen Poor 55 Gen Good 13 Gen Poor 42 Gen Good
Max ADI Late 5 Very Poor 58 Gen Good 5 Very Poor 60 Gen Good
Max LVORI Early 8 9 6 8
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-240815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 70 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 52 (-8) 65 (-4) 52 72
RH % (24h trend) 100 (+1) 73 (+3) 100 65
Wind 20ft/early(mph) W 5 W 6 W 5 W 5
Wind 20ft/late(mph) Lgt/Var W 9 G17 Lgt/Var W 6
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1200 1280
Mixing Hgt(ft-agl/msl) 3940 4200
Transport Wnd (mph) W 16 NW 13
Vent Rate (kt-ft) 55160 46200
Category Day 4 3
Inversion 7pm 54F/8am 7pm 57F/9am
Dispersion 4 3
Max ADI Early 20 Gen Poor 51 Gen Good 14 Gen Poor 43 Gen Good
Max ADI Late 5 Very Poor 58 Gen Good 6 Very Poor 53 Gen Good
Max LVORI Early 8 9 6 8
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-240815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-6) 71 (-2) 54 78
RH % (24h trend) 100 (+1) 58 (-2) 97 52
Wind 20ft/early(mph) W 5 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1580 1700
Mixing Hgt(ft-agl/msl) 5170 5570
Transport Wnd (mph) W 16 NW 9
Vent Rate (kt-ft) 72380 44560
Category Day 4 3
Inversion 8pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 11 Poor 72 Good 10 Poor 38 Fair
Max ADI Late 7 Poor 93 Good 4 Very Poor 61 Good
Max LVORI Early 5 8 6 6
Max LVORI Late 9 2 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-240815-
Allegheny-
Including the city of Pittsburgh Metro Area
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-7) 71 (-3) 55 77
RH % (24h trend) 99 (0) 58 (-3) 96 54
Wind 20ft/early(mph) W 7 W 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 W 10 Lgt/Var W 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 10 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1610 1710
Mixing Hgt(ft-agl/msl) 5290 5600
Transport Wnd (mph) W 16 NW 9
Vent Rate (kt-ft) 74060 44800
Category Day 4 3
Inversion 8pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 58 Gen Good 8 Poor 37 Fair
Max ADI Late 8 Poor 66 Good 5 Very Poor 59 Gen Good
Max LVORI Early 5 8 5 6
Max LVORI Late 9 2 6 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-240815-
Armstrong-
Including the cities of Kittanning and Ford City
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-8) 70 (-3) 53 77
RH % (24h trend) 100 (0) 66 (-2) 100 62
Wind 20ft/early(mph) W 5 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 Lgt/Var W 6
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1
Precip Begin 10 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1450 1440
Mixing Hgt(ft-agl/msl) 4750 4730
Transport Wnd (mph) W 15 NW 12
Vent Rate (kt-ft) 61750 47300
Category Day 4 3
Inversion 8pm 57F/9am 8pm 59F/9am
Dispersion 4 3
Max ADI Early 10 Poor 69 Good 16 Gen Poor 40 Fair
Max ADI Late 6 Very Poor 62 Good 5 Very Poor 62 Good
Max LVORI Early 7 9 6 8
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-240815-
Washington-
Including the cities of Washington and Canonsburg
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 71 (-1) 54 76
RH % (24h trend) 99 (0) 57 (-4) 95 53
Wind 20ft/early(mph) W 6 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 W 9 Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 10 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1640 1660
Mixing Hgt(ft-agl/msl) 5390 5440
Transport Wnd (mph) W 15 W 9
Vent Rate (kt-ft) 70070 43520
Category Day 4 3
Inversion 8pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 62 Good 8 Poor 40 Fair
Max ADI Late 8 Poor 84 Good 5 Very Poor 55 Gen Good
Max LVORI Early 5 8 6 6
Max LVORI Late 9 1 6 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-240815-
Greene-
Including the city of Waynesburg
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-7) 71 (-2) 54 76
RH % (24h trend) 99 (-1) 56 (-4) 96 56
Wind 20ft/early(mph) W 5 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 12 AM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1690 1820
Mixing Hgt(ft-agl/msl) 5550 5950
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 72150 41650
Category Day 4 3
Inversion 7pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 9 Poor 65 Good 8 Poor 42 Gen Good
Max ADI Late 7 Poor 93 Good 4 Very Poor 58 Gen Good
Max LVORI Early 5 8 6 6
Max LVORI Late 9 1 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-240815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-7) 70 (-3) 54 76
RH % (24h trend) 100 (0) 60 (-5) 100 59
Wind 20ft/early(mph) W 7 SW 8 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 W 11 Lgt/Var W 6
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 11 PM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1550 1550
Mixing Hgt(ft-agl/msl) 5100 5080
Transport Wnd (mph) W 15 W 10
Vent Rate (kt-ft) 66300 45720
Category Day 4 3
Inversion 7pm 58F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 11 Poor 57 Gen Good 8 Poor 32 Fair
Max ADI Late 8 Poor 63 Good 5 Very Poor 58 Gen Good
Max LVORI Early 6 9 6 8
Max LVORI Late 9 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-240815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-7) 69 (-1) 52 74
RH % (24h trend) 100 (0) 59 (-7) 99 58
Wind 20ft/early(mph) SW 6 G17 W 7 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 W 10 G18 Lgt/Var W 6
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1410 1520
Mixing Hgt(ft-agl/msl) 4610 4990
Transport Wnd (mph) W 16 W 12
Vent Rate (kt-ft) 64540 49900
Category Day 4 3
Inversion 7pm 55F/8am 7pm 58F/9am
Dispersion 4 3
Max ADI Early 10 Poor 58 Gen Good 9 Poor 38 Fair
Max ADI Late 8 Poor 72 Good 6 Very Poor 68 Good
Max LVORI Early 6 8 6 7
Max LVORI Late 8 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-240815-
Fayette-
Including the city of Uniontown
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-7) 71 (-2) 54 76
RH % (24h trend) 100 (+2) 57 (-5) 96 56
Wind 20ft/early(mph) SW 5 SW 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 9 Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 11 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1680 1760
Mixing Hgt(ft-agl/msl) 5510 5770
Transport Wnd (mph) W 15 W 9
Vent Rate (kt-ft) 71630 46160
Category Day 4 3
Inversion 7pm 59F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 9 Poor 66 Good 8 Poor 36 Fair
Max ADI Late 6 Very Poor 93 Good 4 Very Poor 62 Good
Max LVORI Early 6 9 6 6
Max LVORI Late 9 1 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-240815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-7) 69 (-1) 51 74
RH % (24h trend) 100 (0) 55 (-6) 98 55
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 12 AM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1520 1610
Mixing Hgt(ft-agl/msl) 4980 5290
Transport Wnd (mph) W 16 W 10
Vent Rate (kt-ft) 69720 47610
Category Day 4 4
Inversion 7pm 56F/9am 7pm 57F/9am
Dispersion 4 4
Max ADI Early 8 Poor 67 Good 6 Very Poor 42 Gen Good
Max ADI Late 7 Poor 90 Good 4 Very Poor 65 Good
Max LVORI Early 6 8 6 6
Max LVORI Late 9 2 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-240815-
Indiana-
Including the city of Indiana
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-8) 69 (-2) 53 74
RH % (24h trend) 100 (0) 66 (-4) 100 64
Wind 20ft/early(mph) W 5 W 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 10 G17 Lgt/Var W 6
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 1
Precip Begin 11 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1410 1420
Mixing Hgt(ft-agl/msl) 4620 4640
Transport Wnd (mph) W 16 NW 12
Vent Rate (kt-ft) 64680 46400
Category Day 4 3
Inversion 7pm 55F/8am 7pm 58F/9am
Dispersion 4 3
Max ADI Early 10 Poor 49 Gen Good 9 Poor 42 Gen Good
Max ADI Late 6 Very Poor 58 Gen Good 6 Very Poor 60 Gen Good
Max LVORI Early 8 9 7 8
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-240815-
Higher Elevations of Indiana-
Including the city of Armagh
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 53 (-7) 68 (-2) 53 73
RH % (24h trend) 100 (0) 65 (-5) 100 64
Wind 20ft/early(mph) SW 5 W 7 G17 W 5 Lgt/Var
Wind 20ft/late(mph) SW 5 W 10 G18 Lgt/Var W 6
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1370 1410
Mixing Hgt(ft-agl/msl) 4480 4620
Transport Wnd (mph) W 17 NW 12
Vent Rate (kt-ft) 67200 46200
Category Day 4 3
Inversion 7pm 55F/8am 7pm 58F/9am
Dispersion 4 3
Max ADI Early 18 Gen Poor 49 Gen Good 8 Poor 42 Gen Good
Max ADI Late 7 Poor 71 Good 7 Poor 65 Good
Max LVORI Early 8 8 6 8
Max LVORI Late 9 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-240815-
Hancock-
Including the city of Weirton
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 71 (-2) 54 77
RH % (24h trend) 99 (0) 56 (-2) 95 51
Wind 20ft/early(mph) W 6 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 10 PM
Precip End 12 AM
Mixing Hgt(m-agl/msl) 1610 1700
Mixing Hgt(ft-agl/msl) 5280 5570
Transport Wnd (mph) W 16 NW 8
Vent Rate (kt-ft) 73920 38990
Category Day 4 3
Inversion 8pm 57F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 66 Good 9 Poor 38 Fair
Max ADI Late 7 Poor 97 Good 4 Very Poor 55 Gen Good
Max LVORI Early 5 8 6 6
Max LVORI Late 9 1 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-240815-
Brooke-
Including the cities of Follansbee and Wellsburg
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 73 (0) 55 77
RH % (24h trend) 98 (-2) 55 (-1) 94 50
Wind 20ft/early(mph) SW 6 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0
Precip Begin 10 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1700 1680
Mixing Hgt(ft-agl/msl) 5570 5500
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 72410 38500
Category Day 4 3
Inversion 8pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 10 Poor 66 Good 8 Poor 35 Fair
Max ADI Late 7 Poor 93 Good 4 Very Poor 54 Gen Good
Max LVORI Early 5 7 5 6
Max LVORI Late 9 1 6 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-240815-
Ohio-
Including the city of Wheeling
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-7) 72 (-1) 55 77
RH % (24h trend) 99 (-1) 57 (-3) 96 54
Wind 20ft/early(mph) W 6 W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) W 5 W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1670 1740
Mixing Hgt(ft-agl/msl) 5490 5700
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 71370 39900
Category Day 4 3
Inversion 7pm 58F/9am 8pm 60F/9am
Dispersion 4 3
Max ADI Early 9 Poor 65 Good 6 Very Poor 35 Fair
Max ADI Late 7 Poor 89 Good 4 Very Poor 55 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 9 1 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-240815-
Marshall-
Including the city of Moundsville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-7) 73 (0) 54 78
RH % (24h trend) 99 (-1) 57 (-3) 97 56
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1660 1770
Mixing Hgt(ft-agl/msl) 5440 5800
Transport Wnd (mph) W 14 W 8
Vent Rate (kt-ft) 65280 40600
Category Day 4 3
Inversion 7pm 58F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 8 Poor 60 Gen Good 5 Very Poor 37 Fair
Max ADI Late 6 Very Poor 84 Good 3 Very Poor 55 Gen Good
Max LVORI Early 5 8 6 7
Max LVORI Late 9 1 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-240815-
Wetzel-
Including the city of New Martinsville
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (-7) 72 (-1) 54 76
RH % (24h trend) 100 (0) 57 (-2) 98 56
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 12 AM
Precip End 2 AM
Mixing Hgt(m-agl/msl) 1670 1750
Mixing Hgt(ft-agl/msl) 5490 5750
Transport Wnd (mph) W 14 W 7
Vent Rate (kt-ft) 65880 34500
Category Day 4 3
Inversion 7pm 58F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 7 Poor 53 Gen Good 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 85 Good 3 Very Poor 48 Gen Good
Max LVORI Early 6 8 7 8
Max LVORI Late 9 1 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-240815-
Marion-
Including the city of Fairmont
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (-6) 70 (-2) 53 75
RH % (24h trend) 100 (0) 58 (-1) 98 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1710 1770
Mixing Hgt(ft-agl/msl) 5600 5820
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 72800 40740
Category Day 4 3
Inversion 7pm 59F/9am 7pm 59F/9am
Dispersion 4 3
Max ADI Early 8 Poor 53 Gen Good 5 Very Poor 31 Fair
Max ADI Late 4 Very Poor 90 Good 3 Very Poor 55 Gen Good
Max LVORI Early 6 9 7 7
Max LVORI Late 9 1 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-240815-
Monongalia-
Including the city of Morgantown
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (-7) 71 (-2) 53 76
RH % (24h trend) 100 (0) 56 (-4) 96 55
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0
Precip Begin 12 AM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1720 1820
Mixing Hgt(ft-agl/msl) 5640 5980
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 73320 41860
Category Day 4 3
Inversion 7pm 59F/9am 7pm 60F/9am
Dispersion 4 3
Max ADI Early 8 Poor 57 Gen Good 5 Very Poor 35 Fair
Max ADI Late 5 Very Poor 94 Good 3 Very Poor 58 Gen Good
Max LVORI Early 6 9 6 6
Max LVORI Late 9 1 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-240815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-7) 68 (-2) 52 74
RH % (24h trend) 100 (0) 56 (-6) 96 55
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 12 AM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1630 1700
Mixing Hgt(ft-agl/msl) 5340 5580
Transport Wnd (mph) W 16 W 8
Vent Rate (kt-ft) 74760 39060
Category Day 4 3
Inversion 7pm 57F/9am 7pm 57F/9am
Dispersion 4 3
Max ADI Early 7 Poor 52 Gen Good 5 Very Poor 36 Fair
Max ADI Late 5 Very Poor 97 Good 3 Very Poor 55 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 9 1 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-240815-
Preston-
Including the cities of Kingwood and Bruceton Mills
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-7) 69 (-2) 51 74
RH % (24h trend) 100 (+1) 54 (-6) 97 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 12 AM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1600 1590
Mixing Hgt(ft-agl/msl) 5260 5220
Transport Wnd (mph) W 16 W 8
Vent Rate (kt-ft) 73640 36540
Category Day 4 3
Inversion 7pm 57F/9am 7pm 58F/9am
Dispersion 4 3
Max ADI Early 9 Poor 57 Gen Good 6 Very Poor 40 Fair
Max ADI Late 5 Very Poor 94 Good 3 Very Poor 54 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 9 1 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-240815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-6) 68 (-1) 50 73
RH % (24h trend) 100 (+1) 55 (-10) 98 55
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 12 AM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1550 1530
Mixing Hgt(ft-agl/msl) 5090 5020
Transport Wnd (mph) W 17 W 9
Vent Rate (kt-ft) 76350 40160
Category Day 4 3
Inversion 7pm 54F/8am 8pm 56F/9am
Dispersion 4 3
Max ADI Early 10 Poor 63 Good 8 Poor 44 Gen Good
Max ADI Late 7 Poor 101 Very Good4 Very Poor 57 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 8 2 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-240815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-6) 71 (0) 51 75
RH % (24h trend) 100 (+2) 51 (-8) 95 50
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 8 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1500 1390
Mixing Hgt(ft-agl/msl) 4920 4550
Transport Wnd (mph) W 15 W 8
Vent Rate (kt-ft) 63960 31850
Category Day 4 3
Inversion 7pm 55F/8am 8pm 57F/9am
Dispersion 4 3
Max ADI Early 9 Poor 62 Good 6 Very Poor 39 Fair
Max ADI Late 5 Very Poor 97 Good 3 Very Poor 47 Gen Good
Max LVORI Early 6 8 6 6
Max LVORI Late 8 1 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-240815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
114 PM EDT Sun Aug 23 2026
Tonight Mon Mon Night Tue
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 49 (-7) 67 (+1) 47 71
RH % (24h trend) 99 (0) 55 (-11) 98 54
Wind 20ft/early(mph) W 5 G21 W 7 G23 W 5 G20 Lgt/Var
Wind 20ft/late(mph) W 5 G20 W 9 G23 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1320 1360
Mixing Hgt(ft-agl/msl) 4330 4460
Transport Wnd (mph) W 21 W 10
Vent Rate (kt-ft) 77940 40140
Category Day 4 3
Inversion 8pm 52F/8am 8pm 55F/9am
Dispersion 4 3
Max ADI Early 12 Poor 76 Good 12 Poor 41 Gen Good
Max ADI Late 9 Poor 101 Very Good5 Very Poor 57 Gen Good
Max LVORI Early 6 6 6 6
Max LVORI Late 7 1 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Light winds.
.THURSDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. North winds around 5 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs around 80. South
winds around 5 mph.
$$
CL