Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
958
FNUS51 KPBZ 031727
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1227 PM EST Wed Dec 3 2025
.DISCUSSION...
A cold front is expected to drop south through the area late
tonight. This will bring some snow to the region lasting into the
day on Thursday. Accumulation amounts will mainly be less than an
inch. Fire weather concerns are not anticipated.
OHZ039-040915-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 30 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 29 (-4) 7 32
RH % (24h trend) 100 (+11) 58 (-12) 100 63
Wind 20ft/early(mph) SW 6 NW 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) W 5 NW 7 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 1 1 1
Precip Begin 11 PM Continuing 7 AM
Precip End Continuing 10 AM 6 PM
Mixing Hgt(m-agl/msl) 1000 680
Mixing Hgt(ft-agl/msl) 3280 2230
Transport Wnd (mph) NW 15 SW 12
Vent Rate (kt-ft) 60610 22300
Category Day 3 2
Inversion 6pm 25F/6am 5pm 24F/11am
Dispersion 5 2
Max ADI Early 11 Poor 48 Gen Good 3 Very Poor 19 Gen Poor
Max ADI Late 10 Poor 51 Gen Good 4 Very Poor 30 Fair
Max LVORI Early 5 5 6 7
Max LVORI Late 7 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-040915-
Carroll-
Including the cities of Carrollton and Malvern
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 30 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 29 (-3) 7 32
RH % (24h trend) 96 (+6) 60 (-11) 98 63
Wind 20ft/early(mph) SW 7 NW 9 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) W 6 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 11 PM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1020 670
Mixing Hgt(ft-agl/msl) 3340 2210
Transport Wnd (mph) NW 18 SW 13
Vent Rate (kt-ft) 68900 24310
Category Day 4 3
Inversion 6pm 25F/6am 5pm 24F/11am
Dispersion 5 3
Max ADI Early 14 Gen Poor 51 Gen Good 3 Very Poor 19 Gen Poor
Max ADI Late 14 Gen Poor 50 Gen Good 5 Very Poor 31 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-040915-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 29 (-3) 7 32
RH % (24h trend) 97 (+5) 60 (-12) 97 63
Wind 20ft/early(mph) SW 8 NW 9 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 G17 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 11 PM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1070 690
Mixing Hgt(ft-agl/msl) 3520 2260
Transport Wnd (mph) NW 18 SW 13
Vent Rate (kt-ft) 74770 24860
Category Day 4 3
Inversion 6pm 25F/6am 5pm 23F/11am
Dispersion 5 3
Max ADI Early 15 Gen Poor 58 Gen Good 3 Very Poor 20 Gen Poor
Max ADI Late 14 Gen Poor 56 Gen Good 5 Very Poor 33 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-040915-
Coshocton-
Including the city of Coshocton
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 30 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 29 (-3) 7 32
RH % (24h trend) 100 (+10) 55 (-16) 100 64
Wind 20ft/early(mph) SW 5 NW 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing 7 AM
Precip End Continuing 10 AM 1 PM
Mixing Hgt(m-agl/msl) 950 670
Mixing Hgt(ft-agl/msl) 3110 2210
Transport Wnd (mph) NW 15 SW 12
Vent Rate (kt-ft) 60450 22100
Category Day 3 2
Inversion 6pm 25F/8am 5pm 21F/10am
Dispersion 5 2
Max ADI Early 10 Poor 57 Gen Good 3 Very Poor 20 Gen Poor
Max ADI Late 10 Poor 52 Gen Good 4 Very Poor 31 Fair
Max LVORI Early 5 6 6 8
Max LVORI Late 8 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-040915-
Harrison-
Including the city of Cadiz
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 30 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 30 (-3) 8 34
RH % (24h trend) 97 (+7) 56 (-12) 99 63
Wind 20ft/early(mph) SW 6 NW 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 7 Lgt/Var Lgt/Var
Precip Amount 0.02 0.02 0.00 0.00
Precip Duration 1 1 1
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1010 690
Mixing Hgt(ft-agl/msl) 3300 2260
Transport Wnd (mph) NW 17 SW 12
Vent Rate (kt-ft) 65110 22600
Category Day 4 2
Inversion 6pm 24F/5am 6pm 25F/11am
Dispersion 5 2
Max ADI Early 10 Poor 47 Gen Good 3 Very Poor 18 Gen Poor
Max ADI Late 10 Poor 54 Gen Good 5 Very Poor 31 Fair
Max LVORI Early 5 5 5 7
Max LVORI Late 6 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-040915-
Jefferson OH-
Including the city of Steubenville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (+1) 30 (-3) 8 34
RH % (24h trend) 94 (0) 56 (-12) 95 62
Wind 20ft/early(mph) SW 6 W 8 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 2
Precip Begin 1 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1070 710
Mixing Hgt(ft-agl/msl) 3500 2310
Transport Wnd (mph) NW 18 SW 13
Vent Rate (kt-ft) 70310 25410
Category Day 4 3
Inversion 6pm 25F/7am 5pm 25F/11am
Dispersion 5 3
Max ADI Early 11 Poor 50 Gen Good 3 Very Poor 19 Gen Poor
Max ADI Late 12 Poor 53 Gen Good 4 Very Poor 33 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-040915-
Muskingum-
Including the city of Zanesville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 50 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 30 (-3) 8 33
RH % (24h trend) 100 (+12) 55 (-14) 100 66
Wind 20ft/early(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM 1 PM
Mixing Hgt(m-agl/msl) 940 660
Mixing Hgt(ft-agl/msl) 3080 2160
Transport Wnd (mph) NW 14 SW 12
Vent Rate (kt-ft) 57030 21600
Category Day 3 2
Inversion 6pm 26F/8am 5pm 22F/10am
Dispersion 5 2
Max ADI Early 7 Poor 49 Gen Good 3 Very Poor 18 Gen Poor
Max ADI Late 8 Poor 50 Gen Good 4 Very Poor 28 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 8 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-040915-
Guernsey-
Including the city of Cambridge
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 30 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (0) 31 (-3) 8 34
RH % (24h trend) 100 (+9) 52 (-14) 100 63
Wind 20ft/early(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1000 660
Mixing Hgt(ft-agl/msl) 3290 2170
Transport Wnd (mph) NW 15 SW 12
Vent Rate (kt-ft) 61300 21700
Category Day 3 2
Inversion 6pm 25F/8am 5pm 24F/10am
Dispersion 5 2
Max ADI Early 8 Poor 43 Gen Good 3 Very Poor 18 Gen Poor
Max ADI Late 8 Poor 54 Gen Good 4 Very Poor 29 Fair
Max LVORI Early 6 5 6 7
Max LVORI Late 8 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-040915-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 30 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (+1) 33 (-1) 8 35
RH % (24h trend) 98 (+6) 55 (-13) 100 67
Wind 20ft/early(mph) SW 5 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 7 Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1010 620
Mixing Hgt(ft-agl/msl) 3320 2030
Transport Wnd (mph) NW 14 SW 12
Vent Rate (kt-ft) 66530 20300
Category Day 3 2
Inversion 6pm 25F/6am 5pm 27F/11am
Dispersion 5 2
Max ADI Early 10 Poor 41 Gen Good 3 Very Poor 18 Gen Poor
Max ADI Late 10 Poor 49 Gen Good 4 Very Poor 28 Fair
Max LVORI Early 5 5 6 7
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-040915-
Noble-
Including the city of Caldwell
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 60 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 33 (-1) 10 35
RH % (24h trend) 100 (+11) 54 (-14) 100 67
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1010 560
Mixing Hgt(ft-agl/msl) 3310 1830
Transport Wnd (mph) NW 13 SW 10
Vent Rate (kt-ft) 55200 16470
Category Day 3 2
Inversion 6pm 25F/8am 5pm 25F/10am
Dispersion 5 2
Max ADI Early 8 Poor 36 Fair 4 Very Poor 16 Gen Poor
Max ADI Late 6 Very Poor 46 Gen Good 4 Very Poor 23 Fair
Max LVORI Early 6 6 6 6
Max LVORI Late 8 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-040915-
Monroe-
Including the city of Woodsfield
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow/Rain
Chance Precip (%) 30 60 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 33 (-1) 11 36
RH % (24h trend) 100 (+11) 55 (-13) 99 70
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1030 550
Mixing Hgt(ft-agl/msl) 3380 1810
Transport Wnd (mph) NW 13 SW 12
Vent Rate (kt-ft) 60680 18100
Category Day 3 2
Inversion 6pm 25F/8am 5pm 25F/10am
Dispersion 5 2
Max ADI Early 8 Poor 34 Fair 4 Very Poor 17 Gen Poor
Max ADI Late 8 Poor 43 Gen Good 4 Very Poor 21 Fair
Max LVORI Early 6 6 6 6
Max LVORI Late 7 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-040915-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None None
Chance Precip (%) 70 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 28 (-3) 6 30
RH % (24h trend) 100 (+7) 63 (-13) 100 63
Wind 20ft/early(mph) SW 9 NW 10 G19 Lgt/Var SE 5
Wind 20ft/late(mph) SW 8 NW 10 G20 Lgt/Var S 5
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 5 1
Precip Begin 8 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 1120 630
Mixing Hgt(ft-agl/msl) 3670 2070
Transport Wnd (mph) NW 23 SW 15
Vent Rate (kt-ft) 88660 26910
Category Day 4 3
Inversion 6pm 25F/7am 5pm 22F/11am
Dispersion 5 3
Max ADI Early 14 Gen Poor 65 Good 6 Very Poor 22 Fair
Max ADI Late 13 Gen Poor 63 Good 5 Very Poor 35 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-040915-
Venango-
Including the cities of Oil City and Franklin
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None None
Chance Precip (%) 60 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 28 (-3) 6 30
RH % (24h trend) 100 (+4) 62 (-14) 100 60
Wind 20ft/early(mph) SW 7 W 9 G20 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 7 NW 9 G20 Lgt/Var S 5
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 5 1
Precip Begin 8 PM Continuing
Precip End Continuing 12 PM
Mixing Hgt(m-agl/msl) 1200 750
Mixing Hgt(ft-agl/msl) 3950 2470
Transport Wnd (mph) NW 24 SW 16
Vent Rate (kt-ft) 89990 34580
Category Day 4 3
Inversion 6pm 24F/8am 6pm 19F/10am
Dispersion 5 3
Max ADI Early 14 Gen Poor 71 Good 7 Poor 28 Fair
Max ADI Late 13 Gen Poor 69 Good 4 Very Poor 42 Gen Good
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-040915-
Forest-
Including the city of Tionesta
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None None
Chance Precip (%) 70 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 28 (-3) 5 30
RH % (24h trend) 99 (+4) 58 (-13) 100 54
Wind 20ft/early(mph) SW 6 W 8 G20 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 9 G22 Lgt/Var S 5
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 5 3
Precip Begin 8 PM Continuing
Precip End Continuing 4 PM
Mixing Hgt(m-agl/msl) 1250 760
Mixing Hgt(ft-agl/msl) 4110 2480
Transport Wnd (mph) NW 26 SW 16
Vent Rate (kt-ft) 113280 34720
Category Day 4 3
Inversion 6pm 24F/8am 7pm 15F/9am
Dispersion 5 3
Max ADI Early 11 Poor 72 Good 9 Poor 30 Fair
Max ADI Late 10 Poor 75 Good 4 Very Poor 44 Gen Good
Max LVORI Early 5 5 6 6
Max LVORI Late 6 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-040915-
Lawrence-
Including the cities of New Castle and Ellwood City
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Mcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 60 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (0) 30 (-3) 6 32
RH % (24h trend) 98 (+6) 61 (-12) 100 63
Wind 20ft/early(mph) SW 6 NW 8 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 9 G18 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 3 1 1
Precip Begin 10 PM Continuing 7 AM
Precip End Continuing 11 AM 6 PM
Mixing Hgt(m-agl/msl) 1120 690
Mixing Hgt(ft-agl/msl) 3690 2260
Transport Wnd (mph) NW 24 SW 13
Vent Rate (kt-ft) 83510 24860
Category Day 4 3
Inversion 6pm 25F/6am 5pm 23F/11am
Dispersion 5 3
Max ADI Early 12 Poor 62 Good 3 Very Poor 20 Gen Poor
Max ADI Late 11 Poor 61 Good 4 Very Poor 33 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-040915-
Butler-
Including the city of Butler
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 60 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 30 (-2) 6 32
RH % (24h trend) 99 (+2) 62 (-15) 100 64
Wind 20ft/early(mph) SW 6 W 9 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 9 G18 Lgt/Var Lgt/Var
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 2 1 1
Precip Begin 11 PM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1110 700
Mixing Hgt(ft-agl/msl) 3630 2300
Transport Wnd (mph) NW 25 SW 14
Vent Rate (kt-ft) 85840 27600
Category Day 4 3
Inversion 6pm 24F/7am 5pm 20F/10am
Dispersion 5 3
Max ADI Early 11 Poor 64 Good 5 Very Poor 23 Fair
Max ADI Late 13 Gen Poor 67 Good 4 Very Poor 36 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-040915-
Clarion-
Including the city of Clarion
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 60 50 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 29 (-2) 5 30
RH % (24h trend) 97 (+1) 59 (-16) 100 60
Wind 20ft/early(mph) SW 6 W 9 G20 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 9 G21 Lgt/Var S 5
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 2 1 1
Precip Begin 9 PM Continuing 1 PM
Precip End Continuing 1 PM 6 PM
Mixing Hgt(m-agl/msl) 1190 720
Mixing Hgt(ft-agl/msl) 3890 2370
Transport Wnd (mph) NW 26 SW 15
Vent Rate (kt-ft) 102860 30810
Category Day 4 3
Inversion 7pm 24F/7am 6pm 19F/10am
Dispersion 5 3
Max ADI Early 14 Gen Poor 70 Good 5 Very Poor 27 Fair
Max ADI Late 13 Gen Poor 71 Good 4 Very Poor 40 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-040915-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 50 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (0) 29 (-1) 5 29
RH % (24h trend) 94 (+1) 56 (-18) 96 58
Wind 20ft/early(mph) SW 7 W 10 G22 Lgt/Var SE 5
Wind 20ft/late(mph) SW 8 G17 NW 11 G23 Lgt/Var S 6
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 2 2 1
Precip Begin 9 PM Continuing 7 AM
Precip End Continuing 2 PM Continuing
Mixing Hgt(m-agl/msl) 1180 730
Mixing Hgt(ft-agl/msl) 3860 2400
Transport Wnd (mph) NW 25 SW 16
Vent Rate (kt-ft) 113250 33600
Category Day 4 3
Inversion 7pm 23F/5am 7pm 16F/9am
Dispersion 5 3
Max ADI Early 15 Gen Poor 73 Good 8 Poor 29 Fair
Max ADI Late 15 Gen Poor 73 Good 4 Very Poor 43 Gen Good
Max LVORI Early 4 4 5 5
Max LVORI Late 5 2 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-040915-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 60 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 30 (-3) 7 32
RH % (24h trend) 95 (0) 59 (-14) 97 63
Wind 20ft/early(mph) SW 5 W 8 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 8 G17 Lgt/Var Lgt/Var
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 2 1 1
Precip Begin 11 PM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1120 720
Mixing Hgt(ft-agl/msl) 3680 2350
Transport Wnd (mph) NW 23 SW 12
Vent Rate (kt-ft) 85020 23500
Category Day 4 2
Inversion 6pm 26F/7am 5pm 21F/10am
Dispersion 5 2
Max ADI Early 10 Poor 61 Good 3 Very Poor 20 Gen Poor
Max ADI Late 10 Poor 61 Good 4 Very Poor 31 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-040915-
Allegheny-
Including the city of Pittsburgh Metro Area
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (-1) 31 (-2) 8 34
RH % (24h trend) 98 (+4) 61 (-15) 99 68
Wind 20ft/early(mph) SW 6 W 9 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 10 G18 Lgt/Var Lgt/Var
Precip Amount 0.02 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1140 670
Mixing Hgt(ft-agl/msl) 3750 2190
Transport Wnd (mph) NW 23 SW 13
Vent Rate (kt-ft) 82540 24090
Category Day 4 3
Inversion 6pm 26F/8am 5pm 22F/10am
Dispersion 5 3
Max ADI Early 11 Poor 55 Gen Good 4 Very Poor 19 Gen Poor
Max ADI Late 12 Poor 60 Gen Good 3 Very Poor 33 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-040915-
Armstrong-
Including the cities of Kittanning and Ford City
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 30 (-2) 6 32
RH % (24h trend) 97 (+2) 61 (-16) 100 65
Wind 20ft/early(mph) SW 6 W 9 G19 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 7 NW 10 G19 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 12 AM Continuing 7 AM
Precip End Continuing 12 PM Continuing
Mixing Hgt(m-agl/msl) 1170 710
Mixing Hgt(ft-agl/msl) 3850 2340
Transport Wnd (mph) NW 24 SW 14
Vent Rate (kt-ft) 104350 28080
Category Day 4 3
Inversion 6pm 25F/7am 5pm 21F/10am
Dispersion 5 3
Max ADI Early 14 Gen Poor 63 Good 5 Very Poor 23 Fair
Max ADI Late 13 Gen Poor 65 Good 3 Very Poor 37 Fair
Max LVORI Early 5 5 6 6
Max LVORI Late 5 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-040915-
Washington-
Including the cities of Washington and Canonsburg
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 31 (-2) 8 35
RH % (24h trend) 98 (+3) 59 (-13) 99 68
Wind 20ft/early(mph) SW 6 W 8 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 9 G17 Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1100 690
Mixing Hgt(ft-agl/msl) 3620 2270
Transport Wnd (mph) NW 20 SW 14
Vent Rate (kt-ft) 81860 27240
Category Day 4 3
Inversion 6pm 26F/8am 5pm 26F/11am
Dispersion 5 3
Max ADI Early 11 Poor 46 Gen Good 3 Very Poor 19 Gen Poor
Max ADI Late 11 Poor 53 Gen Good 3 Very Poor 36 Fair
Max LVORI Early 5 5 5 7
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-040915-
Greene-
Including the city of Waynesburg
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 40 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-2) 32 (-1) 8 35
RH % (24h trend) 99 (+7) 63 (-12) 100 74
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1090 690
Mixing Hgt(ft-agl/msl) 3570 2270
Transport Wnd (mph) W 16 SW 15
Vent Rate (kt-ft) 74140 29510
Category Day 3 3
Inversion 6pm 25F/8am 5pm 28F/11am
Dispersion 5 3
Max ADI Early 9 Poor 35 Fair 3 Very Poor 20 Gen Poor
Max ADI Late 9 Poor 55 Gen Good 3 Very Poor 30 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 7 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-040915-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-2) 32 (-1) 7 34
RH % (24h trend) 99 (+5) 63 (-12) 100 68
Wind 20ft/early(mph) SW 6 W 10 G18 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 7 NW 11 G19 Lgt/Var Lgt/Var
Precip Amount 0.01 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 12 PM Continuing
Mixing Hgt(m-agl/msl) 1170 600
Mixing Hgt(ft-agl/msl) 3850 1960
Transport Wnd (mph) W 22 SW 13
Vent Rate (kt-ft) 95890 21560
Category Day 4 2
Inversion 6pm 26F/8am 5pm 24F/10am
Dispersion 5 2
Max ADI Early 13 Gen Poor 50 Gen Good 4 Very Poor 18 Gen Poor
Max ADI Late 14 Gen Poor 58 Gen Good 3 Very Poor 28 Fair
Max LVORI Early 5 5 6 7
Max LVORI Late 5 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-040915-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 50 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 32 (0) 7 33
RH % (24h trend) 94 (-1) 57 (-12) 92 60
Wind 20ft/early(mph) SW 6 G18 W 10 G22 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 8 G20 NW 11 G23 Lgt/Var S 5
Precip Amount 0.01 0.04 0.00 0.00
Precip Duration 1 2 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 2 PM Continuing
Mixing Hgt(m-agl/msl) 1170 570
Mixing Hgt(ft-agl/msl) 3830 1860
Transport Wnd (mph) NW 24 SW 13
Vent Rate (kt-ft) 112580 20460
Category Day 4 2
Inversion 6pm 25F/8am 5pm 23F/10am
Dispersion 5 2
Max ADI Early 11 Poor 49 Gen Good 8 Poor 19 Gen Poor
Max ADI Late 14 Gen Poor 62 Good 4 Very Poor 22 Fair
Max LVORI Early 4 4 4 5
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-040915-
Fayette-
Including the city of Uniontown
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 40 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-3) 32 (-2) 8 36
RH % (24h trend) 99 (+6) 64 (-11) 100 73
Wind 20ft/early(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.03 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 1 PM Continuing
Mixing Hgt(m-agl/msl) 1170 690
Mixing Hgt(ft-agl/msl) 3850 2260
Transport Wnd (mph) W 18 SW 15
Vent Rate (kt-ft) 76050 29380
Category Day 4 3
Inversion 6pm 25F/7am 5pm 22F/9am
Dispersion 5 3
Max ADI Early 9 Poor 38 Fair 4 Very Poor 22 Fair
Max ADI Late 10 Poor 55 Gen Good 3 Very Poor 29 Fair
Max LVORI Early 5 5 6 7
Max LVORI Late 7 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-040915-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 50 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-2) 30 (-1) 7 35
RH % (24h trend) 98 (0) 63 (-9) 99 68
Wind 20ft/early(mph) Lgt/Var W 7 G18 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 G17 NW 8 G18 Lgt/Var Lgt/Var
Precip Amount 0.01 0.05 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 1 PM Continuing
Mixing Hgt(m-agl/msl) 990 570
Mixing Hgt(ft-agl/msl) 3260 1880
Transport Wnd (mph) NW 22 SW 14
Vent Rate (kt-ft) 86010 22560
Category Day 4 2
Inversion 6pm 25F/9am 5pm 26F/11am
Dispersion 5 2
Max ADI Early 9 Poor 38 Fair 5 Very Poor 18 Gen Poor
Max ADI Late 11 Poor 51 Gen Good 4 Very Poor 23 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-040915-
Indiana-
Including the city of Indiana
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 31 (0) 6 32
RH % (24h trend) 96 (+2) 60 (-16) 98 64
Wind 20ft/early(mph) SW 7 G17 W 11 G22 Lgt/Var SE 5
Wind 20ft/late(mph) SW 8 G18 NW 12 G23 Lgt/Var S 6
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 2
Precip Begin 12 AM Continuing 7 AM
Precip End Continuing 1 PM Continuing
Mixing Hgt(m-agl/msl) 1160 630
Mixing Hgt(ft-agl/msl) 3820 2050
Transport Wnd (mph) NW 25 SW 14
Vent Rate (kt-ft) 110200 24600
Category Day 4 2
Inversion 6pm 25F/7am 6pm 22F/10am
Dispersion 5 2
Max ADI Early 14 Gen Poor 61 Good 5 Very Poor 24 Fair
Max ADI Late 15 Gen Poor 70 Good 4 Very Poor 33 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 5 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-040915-
Higher Elevations of Indiana-
Including the city of Armagh
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-2) 30 (-1) 7 32
RH % (24h trend) 94 (-1) 59 (-15) 92 63
Wind 20ft/early(mph) SW 7 G18 W 11 G23 Lgt/Var SE 6
Wind 20ft/late(mph) SW 9 G19 NW 12 G23 Lgt/Var S 6
Precip Amount 0.00 0.01 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 1 PM Continuing
Mixing Hgt(m-agl/msl) 1100 510
Mixing Hgt(ft-agl/msl) 3610 1670
Transport Wnd (mph) NW 26 S 13
Vent Rate (kt-ft) 109230 18370
Category Day 4 2
Inversion 6pm 25F/8am 6pm 22F/10am
Dispersion 5 2
Max ADI Early 14 Gen Poor 59 Gen Good 9 Poor 21 Fair
Max ADI Late 14 Gen Poor 68 Good 5 Very Poor 22 Fair
Max LVORI Early 4 4 5 4
Max LVORI Late 5 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-040915-
Hancock-
Including the city of Weirton
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 60 40 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+1) 30 (-3) 9 33
RH % (24h trend) 93 (-2) 56 (-13) 92 62
Wind 20ft/early(mph) SW 6 W 7 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 G17 Lgt/Var Lgt/Var
Precip Amount 0.02 0.01 0.00 0.00
Precip Duration 1 1 1
Precip Begin 1 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1140 750
Mixing Hgt(ft-agl/msl) 3730 2460
Transport Wnd (mph) NW 22 SW 12
Vent Rate (kt-ft) 73700 24600
Category Day 4 2
Inversion 6pm 26F/6am 6pm 21F/10am
Dispersion 5 2
Max ADI Early 11 Poor 55 Gen Good 3 Very Poor 19 Gen Poor
Max ADI Late 11 Poor 62 Good 4 Very Poor 32 Fair
Max LVORI Early 5 5 5 5
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-040915-
Brooke-
Including the cities of Follansbee and Wellsburg
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 50 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+1) 32 (-1) 9 35
RH % (24h trend) 91 (-3) 55 (-12) 93 64
Wind 20ft/early(mph) SW 6 W 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1130 750
Mixing Hgt(ft-agl/msl) 3690 2450
Transport Wnd (mph) NW 18 SW 14
Vent Rate (kt-ft) 69560 29400
Category Day 4 3
Inversion 6pm 26F/7am 5pm 22F/10am
Dispersion 5 3
Max ADI Early 10 Poor 48 Gen Good 3 Very Poor 20 Gen Poor
Max ADI Late 10 Poor 56 Gen Good 4 Very Poor 36 Fair
Max LVORI Early 4 5 5 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-040915-
Ohio-
Including the city of Wheeling
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 40 40 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 31 (-2) 9 35
RH % (24h trend) 96 (+2) 57 (-13) 96 68
Wind 20ft/early(mph) SW 6 W 7 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 NW 8 Lgt/Var Lgt/Var
Precip Amount 0.02 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 2 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1070 680
Mixing Hgt(ft-agl/msl) 3510 2230
Transport Wnd (mph) NW 18 SW 14
Vent Rate (kt-ft) 68630 26760
Category Day 4 3
Inversion 6pm 26F/6am 5pm 26F/11am
Dispersion 5 3
Max ADI Early 10 Poor 44 Gen Good 3 Very Poor 20 Gen Poor
Max ADI Late 10 Poor 55 Gen Good 4 Very Poor 34 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-040915-
Marshall-
Including the city of Moundsville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Snow Snow Showers None Snow
Chance Precip (%) 30 50 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (-1) 33 (0) 11 35
RH % (24h trend) 97 (+4) 59 (-14) 94 73
Wind 20ft/early(mph) SW 5 W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 7 Lgt/Var Lgt/Var
Precip Amount 0.02 0.02 0.00 0.00
Precip Duration 1 1 2
Precip Begin 3 AM Continuing 7 AM
Precip End Continuing 11 AM Continuing
Mixing Hgt(m-agl/msl) 1060 630
Mixing Hgt(ft-agl/msl) 3470 2060
Transport Wnd (mph) NW 15 SW 13
Vent Rate (kt-ft) 68550 22660
Category Day 3 2
Inversion 6pm 26F/8am 5pm 25F/10am
Dispersion 5 2
Max ADI Early 9 Poor 37 Fair 3 Very Poor 20 Gen Poor
Max ADI Late 8 Poor 50 Gen Good 4 Very Poor 27 Fair
Max LVORI Early 5 5 5 6
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-040915-
Wetzel-
Including the city of New Martinsville
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow/Rain
Chance Precip (%) 0 50 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-2) 32 (-1) 12 35
RH % (24h trend) 100 (+8) 62 (-14) 95 78
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.03 0.00 0.00
Precip Duration 1 2
Precip Begin 6 AM 7 AM
Precip End 11 AM Continuing
Mixing Hgt(m-agl/msl) 1030 600
Mixing Hgt(ft-agl/msl) 3370 1980
Transport Wnd (mph) NW 14 SW 14
Vent Rate (kt-ft) 60980 23760
Category Day 3 2
Inversion 6pm 25F/8am 5pm 26F/10am
Dispersion 5 2
Max ADI Early 8 Poor 29 Fair 4 Very Poor 19 Gen Poor
Max ADI Late 8 Poor 44 Gen Good 4 Very Poor 24 Fair
Max LVORI Early 6 5 5 6
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-040915-
Marion-
Including the city of Fairmont
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow/Rain
Chance Precip (%) 0 40 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-2) 32 (-1) 11 36
RH % (24h trend) 100 (+10) 64 (-13) 99 79
Wind 20ft/early(mph) Lgt/Var W 5 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.00 0.00
Precip Duration 1 2
Precip Begin 6 AM 7 AM
Precip End 11 AM Continuing
Mixing Hgt(m-agl/msl) 1030 690
Mixing Hgt(ft-agl/msl) 3390 2270
Transport Wnd (mph) NW 13 SW 15
Vent Rate (kt-ft) 51860 29510
Category Day 3 3
Inversion 6pm 27F/9am 5pm 27F/10am
Dispersion 5 3
Max ADI Early 6 Very Poor 27 Fair 4 Very Poor 19 Gen Poor
Max ADI Late 8 Poor 42 Gen Good 3 Very Poor 30 Fair
Max LVORI Early 7 5 6 8
Max LVORI Late 8 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-040915-
Monongalia-
Including the city of Morgantown
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow/Rain
Chance Precip (%) 0 40 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-3) 32 (-1) 10 36
RH % (24h trend) 99 (+9) 64 (-12) 100 75
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.00 0.00
Precip Duration 1 2
Precip Begin 6 AM 7 AM
Precip End 12 PM Continuing
Mixing Hgt(m-agl/msl) 1120 720
Mixing Hgt(ft-agl/msl) 3670 2360
Transport Wnd (mph) W 16 SW 15
Vent Rate (kt-ft) 64070 30680
Category Day 3 3
Inversion 6pm 25F/8am 5pm 27F/10am
Dispersion 5 3
Max ADI Early 8 Poor 31 Fair 4 Very Poor 21 Fair
Max ADI Late 8 Poor 47 Gen Good 3 Very Poor 30 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 7 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-040915-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow
Chance Precip (%) 0 40 0 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-2) 29 (-2) 7 35
RH % (24h trend) 99 (+1) 67 (-9) 100 75
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 5 NW 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.06 0.00 0.00
Precip Duration 1 2
Precip Begin 6 AM 7 AM
Precip End 1 PM Continuing
Mixing Hgt(m-agl/msl) 870 570
Mixing Hgt(ft-agl/msl) 2860 1880
Transport Wnd (mph) NW 18 SW 15
Vent Rate (kt-ft) 60170 24440
Category Day 3 2
Inversion 6pm 26F/9am 5pm 26F/10am
Dispersion 5 2
Max ADI Early 8 Poor 27 Fair 4 Very Poor 20 Gen Poor
Max ADI Late 9 Poor 45 Gen Good 3 Very Poor 25 Fair
Max LVORI Early 6 5 6 7
Max LVORI Late 7 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-040915-
Preston-
Including the cities of Kingwood and Bruceton Mills
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow
Chance Precip (%) 0 40 0 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-2) 30 (-2) 8 35
RH % (24h trend) 99 (+4) 66 (-8) 100 75
Wind 20ft/early(mph) Lgt/Var W 6 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.03 0.00 0.01
Precip Duration 1 2
Precip Begin 6 AM 7 AM
Precip End 1 PM Continuing
Mixing Hgt(m-agl/msl) 960 700
Mixing Hgt(ft-agl/msl) 3150 2300
Transport Wnd (mph) W 20 SW 15
Vent Rate (kt-ft) 80800 29900
Category Day 4 3
Inversion 6pm 23F/7am 5pm 24F/9am
Dispersion 5 3
Max ADI Early 6 Very Poor 32 Fair 4 Very Poor 25 Fair
Max ADI Late 9 Poor 51 Gen Good 3 Very Poor 30 Fair
Max LVORI Early 6 5 6 7
Max LVORI Late 7 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-040915-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None Snow Showers None Snow
Chance Precip (%) 0 30 0 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 29 (-2) 8 35
RH % (24h trend) 98 (0) 68 (-8) 100 74
Wind 20ft/early(mph) Lgt/Var W 8 G19 Lgt/Var Lgt/Var
Wind 20ft/late(mph) SW 6 G17 W 8 G19 Lgt/Var Lgt/Var
Precip Amount 0.00 0.04 0.00 0.02
Precip Duration 1 2
Precip Begin 6 AM 6 AM
Precip End 1 PM Continuing
Mixing Hgt(m-agl/msl) 850 620
Mixing Hgt(ft-agl/msl) 2790 2050
Transport Wnd (mph) W 22 SW 15
Vent Rate (kt-ft) 72480 26650
Category Day 4 3
Inversion 6pm 23F/8am 5pm 26F/10am
Dispersion 5 3
Max ADI Early 9 Poor 36 Fair 5 Very Poor 21 Fair
Max ADI Late 14 Gen Poor 49 Gen Good 5 Very Poor 27 Fair
Max LVORI Early 6 5 6 6
Max LVORI Late 5 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-040915-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None Snow Showers Snow Showers Snow
Chance Precip (%) 0 30 20 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-2) 31 (-3) 11 37
RH % (24h trend) 98 (+4) 63 (-3) 97 69
Wind 20ft/early(mph) Lgt/Var W 6 G17 Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 G18 Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.00 0.03
Precip Duration 1 1 6
Precip Begin 6 AM 1 AM Continuing
Precip End 1 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 860 710
Mixing Hgt(ft-agl/msl) 2820 2340
Transport Wnd (mph) W 20 SW 14
Vent Rate (kt-ft) 65730 28080
Category Day 3 3
Inversion 6pm 22F/5am 6pm 25F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 38 Fair 6 Very Poor 22 Fair
Max ADI Late 9 Poor 46 Gen Good 4 Very Poor 27 Fair
Max LVORI Early 6 5 6 5
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-040915-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1227 PM EST Wed Dec 3 2025
Tonight Thu Thu Night Fri
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None Snow Showers Snow Showers Snow
Chance Precip (%) 0 20 20 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-1) 27 (-4) 10 33
RH % (24h trend) 96 (-2) 74 (+3) 97 75
Wind 20ft/early(mph) Lgt/Var W 9 G26 Lgt/Var S 5
Wind 20ft/late(mph) W 7 G22 W 9 G26 Lgt/Var SW 5
Precip Amount 0.00 0.01 0.00 0.05
Precip Duration 1 1 6
Precip Begin 6 AM 1 AM Continuing
Precip End 1 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 700 610
Mixing Hgt(ft-agl/msl) 2300 1990
Transport Wnd (mph) NW 26 SW 15
Vent Rate (kt-ft) 84100 25870
Category Day 4 3
Inversion 6pm 24F/9am 5pm 24F/10am
Dispersion 5 3
Max ADI Early 7 Poor 44 Gen Good 10 Poor 22 Fair
Max ADI Late 14 Gen Poor 49 Gen Good 7 Poor 25 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 5 4 6 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. Lows in the lower 20s. Highs in the
mid 30s. South winds around 5 mph.
.SUNDAY...Mostly cloudy. Lows in the mid 20s. Highs in the mid
30s. Northwest winds 5 to 10 mph.
.MONDAY...Mostly cloudy. Lows around 17. Highs in the upper 20s.
North winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. A chance of snow. Lows around 13. Highs
in the lower 30s. Southwest winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy with a chance of snow. Lows in the mid
20s. Highs in the upper 30s. Southwest winds 10 to 15 mph.
$$
Shallenberger