Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
311
FNUS51 KPBZ 041752
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1252 PM EST Thu Dec 4 2025
.DISCUSSION...
Light, scattered snow showers will diminish this afternoon
followed by clearing skies and light wind, which combined with
existing snow cover will result in overnight lows dipping into
the single digits to mid-teens. Additional light snow chances
and below-normal temperatures should continue into early next
week.
OHZ039-050930-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+3) 18 36
RH % (24h trend) 92 (+1) 64 (+6) 99 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 630 630
Mixing Hgt(ft-agl/msl) 2080 2080
Transport Wnd (mph) SW 10 SW 18
Vent Rate (kt-ft) 22030 35680
Category Day 2 3
Inversion 6pm 25F/11am 5pm 27F/9am
Dispersion 5 5
Max ADI Early 3 Very Poor 19 Gen Poor 5 Very Poor 31 Fair
Max ADI Late 4 Very Poor 25 Fair 9 Poor 34 Fair
Max LVORI Early 6 5 7 5
Max LVORI Late 6 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-050930-
Carroll-
Including the cities of Carrollton and Malvern
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+3) 18 35
RH % (24h trend) 90 (-1) 65 (+7) 99 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 640 640
Mixing Hgt(ft-agl/msl) 2090 2090
Transport Wnd (mph) SW 12 SW 18
Vent Rate (kt-ft) 22270 37420
Category Day 2 3
Inversion 7pm 25F/11am 5pm 28F/9am
Dispersion 5 5
Max ADI Early 3 Very Poor 17 Gen Poor 8 Poor 33 Fair
Max ADI Late 4 Very Poor 28 Fair 10 Poor 36 Fair
Max LVORI Early 6 5 6 5
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-050930-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-16) 33 (+3) 18 35
RH % (24h trend) 91 (+1) 66 (+8) 98 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 650
Mixing Hgt(ft-agl/msl) 2130 2150
Transport Wnd (mph) SW 12 SW 20
Vent Rate (kt-ft) 23090 38940
Category Day 2 3
Inversion 9pm 24F/11am 5pm 28F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 15 Gen Poor 8 Poor 35 Fair
Max ADI Late 4 Very Poor 28 Fair 10 Poor 37 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 6 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-050930-
Coshocton-
Including the city of Coshocton
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+3) 18 35
RH % (24h trend) 93 (-6) 65 (+9) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 610 640
Mixing Hgt(ft-agl/msl) 2020 2110
Transport Wnd (mph) SW 10 W 15
Vent Rate (kt-ft) 20960 29930
Category Day 2 3
Inversion 6pm 25F/11am 5pm 27F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 19 Gen Poor 5 Very Poor 27 Fair
Max ADI Late 3 Very Poor 24 Fair 8 Poor 31 Fair
Max LVORI Early 6 6 8 6
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-050930-
Harrison-
Including the city of Cadiz
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-14) 34 (+3) 19 36
RH % (24h trend) 90 (0) 64 (+9) 99 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 650
Mixing Hgt(ft-agl/msl) 2130 2120
Transport Wnd (mph) SW 10 SW 18
Vent Rate (kt-ft) 23070 36130
Category Day 2 3
Inversion 6pm 27F/11am 5pm 29F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 19 Gen Poor 6 Very Poor 31 Fair
Max ADI Late 4 Very Poor 23 Fair 9 Poor 36 Fair
Max LVORI Early 6 5 7 5
Max LVORI Late 6 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-050930-
Jefferson OH-
Including the city of Steubenville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-15) 34 (+4) 19 36
RH % (24h trend) 87 (-4) 65 (+10) 96 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 630 660
Mixing Hgt(ft-agl/msl) 2070 2170
Transport Wnd (mph) SW 10 SW 18
Vent Rate (kt-ft) 22760 38930
Category Day 2 3
Inversion 6pm 26F/11am 5pm 29F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 14 Gen Poor 6 Very Poor 31 Fair
Max ADI Late 4 Very Poor 20 Gen Poor 9 Poor 36 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-050930-
Muskingum-
Including the city of Zanesville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-12) 33 (+2) 18 36
RH % (24h trend) 91 (-2) 66 (+10) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 580 610
Mixing Hgt(ft-agl/msl) 1910 2000
Transport Wnd (mph) SW 9 SW 15
Vent Rate (kt-ft) 17240 31840
Category Day 2 3
Inversion 6pm 26F/11am 5pm 30F/10am
Dispersion 5 5
Max ADI Early 4 Very Poor 16 Gen Poor 4 Very Poor 25 Fair
Max ADI Late 4 Very Poor 21 Fair 6 Very Poor 29 Fair
Max LVORI Early 5 6 8 5
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-050930-
Guernsey-
Including the city of Cambridge
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-12) 34 (+3) 18 37
RH % (24h trend) 89 (-6) 64 (+9) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 610 630
Mixing Hgt(ft-agl/msl) 1990 2080
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 19830 33050
Category Day 2 3
Inversion 6pm 24F/10am 5pm 28F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 18 Gen Poor 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 21 Fair 7 Poor 30 Fair
Max LVORI Early 5 5 8 6
Max LVORI Late 6 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-050930-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-13) 35 (+3) 20 38
RH % (24h trend) 89 (0) 68 (+11) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 540 650
Mixing Hgt(ft-agl/msl) 1770 2140
Transport Wnd (mph) SW 9 SW 17
Vent Rate (kt-ft) 18180 36550
Category Day 2 3
Inversion 8pm 28F/11am 5pm 29F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 9 Poor 32 Fair
Max LVORI Early 5 5 7 5
Max LVORI Late 5 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-050930-
Noble-
Including the city of Caldwell
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-9) 36 (+3) 19 38
RH % (24h trend) 88 (-3) 67 (+9) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 600 650
Mixing Hgt(ft-agl/msl) 1970 2150
Transport Wnd (mph) SW 9 SW 15
Vent Rate (kt-ft) 17810 30320
Category Day 2 3
Inversion 8pm 29F/11am 5pm 29F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 12 Poor 4 Very Poor 27 Fair
Max ADI Late 4 Very Poor 21 Fair 5 Very Poor 30 Fair
Max LVORI Early 5 5 9 6
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-050930-
Monroe-
Including the city of Woodsfield
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 14 (-9) 36 (+3) 21 39
RH % (24h trend) 86 (-2) 71 (+13) 100 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var 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) 510 670
Mixing Hgt(ft-agl/msl) 1660 2190
Transport Wnd (mph) SW 8 SW 15
Vent Rate (kt-ft) 18410 35600
Category Day 2 3
Inversion 8pm 30F/11am 5pm 30F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 10 Poor 5 Very Poor 29 Fair
Max ADI Late 5 Very Poor 16 Gen Poor 5 Very Poor 31 Fair
Max LVORI Early 5 5 8 5
Max LVORI Late 5 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-050930-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 6 (-15) 29 (+1) 16 34
RH % (24h trend) 95 (-2) 67 (+4) 100 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var S 5 SW 7
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 650 700
Mixing Hgt(ft-agl/msl) 2130 2280
Transport Wnd (mph) SW 13 SW 20
Vent Rate (kt-ft) 26740 42650
Category Day 2 3
Inversion 6pm 23F/11am 5pm 28F/10am
Dispersion 5 5
Max ADI Early 4 Very Poor 20 Gen Poor 8 Poor 32 Fair
Max ADI Late 4 Very Poor 30 Fair 10 Poor 40 Fair
Max LVORI Early 6 5 7 5
Max LVORI Late 6 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-050930-
Venango-
Including the cities of Oil City and Franklin
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-14) 30 (+2) 17 34
RH % (24h trend) 94 (-1) 64 (+1) 100 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 730 730
Mixing Hgt(ft-agl/msl) 2400 2400
Transport Wnd (mph) S 14 SW 21
Vent Rate (kt-ft) 35630 47860
Category Day 3 3
Inversion 6pm 19F/10am 5pm 26F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 24 Fair 7 Poor 32 Fair
Max ADI Late 4 Very Poor 34 Fair 9 Poor 41 Gen Good
Max LVORI Early 7 5 8 5
Max LVORI Late 6 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-050930-
Forest-
Including the city of Tionesta
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 6 (-15) 30 (+2) 17 34
RH % (24h trend) 93 (0) 61 (+1) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 740 760
Mixing Hgt(ft-agl/msl) 2440 2500
Transport Wnd (mph) S 16 SW 21
Vent Rate (kt-ft) 38910 52250
Category Day 3 3
Inversion 6pm 15F/9am 5pm 21F/4am
Dispersion 5 5
Max ADI Early 7 Poor 29 Fair 6 Very Poor 37 Fair
Max ADI Late 4 Very Poor 36 Fair 10 Poor 44 Gen Good
Max LVORI Early 7 5 8 5
Max LVORI Late 6 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-050930-
Lawrence-
Including the cities of New Castle and Ellwood City
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 6 (-17) 32 (+2) 16 35
RH % (24h trend) 94 (-1) 66 (+7) 100 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 680 680
Mixing Hgt(ft-agl/msl) 2230 2220
Transport Wnd (mph) SW 12 SW 18
Vent Rate (kt-ft) 25660 39660
Category Day 2 3
Inversion 6pm 24F/11am 5pm 27F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 15 Gen Poor 5 Very Poor 33 Fair
Max ADI Late 4 Very Poor 30 Fair 9 Poor 37 Fair
Max LVORI Early 6 5 8 5
Max LVORI Late 6 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-050930-
Butler-
Including the city of Butler
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-15) 32 (+2) 17 36
RH % (24h trend) 95 (-3) 71 (+8) 100 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 630 660
Mixing Hgt(ft-agl/msl) 2060 2160
Transport Wnd (mph) SW 12 SW 18
Vent Rate (kt-ft) 27070 38350
Category Day 2 3
Inversion 6pm 21F/10am 5pm 27F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 17 Gen Poor 5 Very Poor 32 Fair
Max ADI Late 4 Very Poor 20 Gen Poor 8 Poor 36 Fair
Max LVORI Early 7 5 9 5
Max LVORI Late 7 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-050930-
Clarion-
Including the city of Clarion
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-16) 30 (+1) 18 34
RH % (24h trend) 90 (-4) 68 (+7) 100 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 630 710
Mixing Hgt(ft-agl/msl) 2080 2340
Transport Wnd (mph) S 13 SW 20
Vent Rate (kt-ft) 30880 43880
Category Day 2 3
Inversion 6pm 20F/10am 5pm 24F/8am
Dispersion 5 5
Max ADI Early 6 Very Poor 23 Fair 5 Very Poor 35 Fair
Max ADI Late 4 Very Poor 24 Fair 8 Poor 40 Fair
Max LVORI Early 6 4 9 5
Max LVORI Late 6 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-050930-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-16) 29 (0) 19 34
RH % (24h trend) 86 (-6) 66 (+7) 100 74
Wind 20ft/early(mph) Lgt/Var SE 5 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 540 690
Mixing Hgt(ft-agl/msl) 1790 2250
Transport Wnd (mph) S 13 SW 20
Vent Rate (kt-ft) 27950 42790
Category Day 2 3
Inversion 6pm 16F/9am 4pm 25F/8am
Dispersion 5 5
Max ADI Early 6 Very Poor 23 Fair 5 Very Poor 34 Fair
Max ADI Late 4 Very Poor 22 Fair 9 Poor 39 Fair
Max LVORI Early 5 4 7 5
Max LVORI Late 5 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-050930-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-15) 33 (+2) 18 36
RH % (24h trend) 91 (+1) 67 (+7) 99 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 670
Mixing Hgt(ft-agl/msl) 2130 2210
Transport Wnd (mph) SW 10 SW 17
Vent Rate (kt-ft) 23300 36510
Category Day 2 3
Inversion 6pm 25F/11am 5pm 28F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 15 Gen Poor 5 Very Poor 33 Fair
Max ADI Late 4 Very Poor 24 Fair 8 Poor 34 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 6 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-050930-
Allegheny-
Including the city of Pittsburgh Metro Area
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-14) 34 (+3) 20 37
RH % (24h trend) 91 (+1) 75 (+11) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 480 650
Mixing Hgt(ft-agl/msl) 1590 2140
Transport Wnd (mph) SW 8 SW 16
Vent Rate (kt-ft) 16780 33040
Category Day 1 3
Inversion 7pm 27F/11am 4pm 29F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 13 Gen Poor 8 Poor 31 Fair
Max LVORI Early 5 5 9 5
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-050930-
Armstrong-
Including the cities of Kittanning and Ford City
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+2) 18 36
RH % (24h trend) 93 (0) 73 (+11) 100 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 510 680
Mixing Hgt(ft-agl/msl) 1670 2250
Transport Wnd (mph) S 9 SW 18
Vent Rate (kt-ft) 23100 42770
Category Day 2 3
Inversion 6pm 22F/10am 5pm 26F/8am
Dispersion 5 5
Max ADI Early 5 Very Poor 16 Gen Poor 5 Very Poor 32 Fair
Max ADI Late 4 Very Poor 15 Gen Poor 7 Poor 35 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-050930-
Washington-
Including the cities of Washington and Canonsburg
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-13) 36 (+5) 21 37
RH % (24h trend) 88 (-2) 74 (+11) 100 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 500 630
Mixing Hgt(ft-agl/msl) 1640 2060
Transport Wnd (mph) SW 8 SW 16
Vent Rate (kt-ft) 19930 32970
Category Day 2 3
Inversion 7pm 31F/12pm 5pm 30F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 10 Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 14 Gen Poor 9 Poor 31 Fair
Max LVORI Early 5 5 8 5
Max LVORI Late 6 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-050930-
Greene-
Including the city of Waynesburg
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 12 (-11) 36 (+4) 22 38
RH % (24h trend) 90 (0) 78 (+10) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 540 700
Mixing Hgt(ft-agl/msl) 1760 2310
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 17920 37350
Category Day 2 3
Inversion 7pm 30F/11am 4pm 31F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 30 Fair
Max ADI Late 4 Very Poor 17 Gen Poor 8 Poor 34 Fair
Max LVORI Early 6 6 9 5
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-050930-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-13) 35 (+3) 21 38
RH % (24h trend) 92 (0) 74 (+9) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 9 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 460 650
Mixing Hgt(ft-agl/msl) 1510 2120
Transport Wnd (mph) SW 8 SW 16
Vent Rate (kt-ft) 14420 35460
Category Day 1 3
Inversion 10pm 29F/11am 5pm 28F/8am
Dispersion 4 5
Max ADI Early 5 Very Poor 13 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 4 Very Poor 13 Gen Poor 8 Poor 31 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-050930-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-13) 34 (+4) 24 38
RH % (24h trend) 83 (-13) 64 (+1) 98 64
Wind 20ft/early(mph) Lgt/Var SE 5 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 510 760
Mixing Hgt(ft-agl/msl) 1660 2480
Transport Wnd (mph) S 12 SW 18
Vent Rate (kt-ft) 19260 45410
Category Day 2 3
Inversion 6pm 30F/1pm 4pm 31F/9am
Dispersion 5 5
Max ADI Early 7 Poor 17 Gen Poor 6 Very Poor 34 Fair
Max ADI Late 5 Very Poor 17 Gen Poor 7 Poor 36 Fair
Max LVORI Early 4 4 6 5
Max LVORI Late 4 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-050930-
Fayette-
Including the city of Uniontown
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-12) 37 (+5) 23 39
RH % (24h trend) 89 (0) 76 (+7) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 11 AM
Mixing Hgt(m-agl/msl) 530 740
Mixing Hgt(ft-agl/msl) 1720 2420
Transport Wnd (mph) SW 8 SW 15
Vent Rate (kt-ft) 18890 34720
Category Day 2 3
Inversion 6pm 31F/11am 4pm 30F/8am
Dispersion 5 5
Max ADI Early 5 Very Poor 13 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 4 Very Poor 14 Gen Poor 8 Poor 33 Fair
Max LVORI Early 5 5 9 5
Max LVORI Late 6 5 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-050930-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-12) 35 (+6) 24 38
RH % (24h trend) 89 (-5) 70 (0) 100 67
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 12 PM
Mixing Hgt(m-agl/msl) 480 720
Mixing Hgt(ft-agl/msl) 1590 2370
Transport Wnd (mph) S 10 SW 17
Vent Rate (kt-ft) 18630 44890
Category Day 2 3
Inversion 6pm 30F/12pm 4pm 31F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 14 Gen Poor 6 Very Poor 31 Fair
Max ADI Late 5 Very Poor 15 Gen Poor 7 Poor 35 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 5 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-050930-
Indiana-
Including the city of Indiana
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 33 (+3) 21 37
RH % (24h trend) 89 (-3) 72 (+10) 100 75
Wind 20ft/early(mph) Lgt/Var SE 5 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 430 640
Mixing Hgt(ft-agl/msl) 1420 2100
Transport Wnd (mph) S 9 SW 17
Vent Rate (kt-ft) 15470 39220
Category Day 1 3
Inversion 6pm 23F/10am 4pm 29F/9am
Dispersion 4 5
Max ADI Early 5 Very Poor 18 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 17 Gen Poor 8 Poor 33 Fair
Max LVORI Early 5 4 8 5
Max LVORI Late 5 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-050930-
Higher Elevations of Indiana-
Including the city of Armagh
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-14) 32 (+2) 22 36
RH % (24h trend) 83 (-11) 69 (+7) 100 69
Wind 20ft/early(mph) Lgt/Var SE 6 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 400 680
Mixing Hgt(ft-agl/msl) 1330 2250
Transport Wnd (mph) S 12 SW 18
Vent Rate (kt-ft) 16120 39840
Category Day 2 3
Inversion 6pm 25F/11am 4pm 30F/9am
Dispersion 5 5
Max ADI Early 6 Very Poor 18 Gen Poor 5 Very Poor 31 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 8 Poor 35 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 5 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-050930-
Hancock-
Including the city of Weirton
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-15) 33 (+3) 20 36
RH % (24h trend) 89 (-1) 66 (+9) 94 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 680 700
Mixing Hgt(ft-agl/msl) 2230 2300
Transport Wnd (mph) SW 10 SW 18
Vent Rate (kt-ft) 22610 39820
Category Day 2 3
Inversion 6pm 26F/11am 5pm 27F/8am
Dispersion 5 5
Max ADI Early 4 Very Poor 15 Gen Poor 5 Very Poor 33 Fair
Max ADI Late 4 Very Poor 22 Fair 8 Poor 36 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-050930-
Brooke-
Including the cities of Follansbee and Wellsburg
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-14) 34 (+3) 21 37
RH % (24h trend) 84 (-5) 69 (+13) 94 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 620 700
Mixing Hgt(ft-agl/msl) 2030 2290
Transport Wnd (mph) SW 9 SW 17
Vent Rate (kt-ft) 21740 37390
Category Day 2 3
Inversion 7pm 27F/11am 5pm 28F/8am
Dispersion 5 5
Max ADI Early 4 Very Poor 11 Poor 5 Very Poor 33 Fair
Max ADI Late 4 Very Poor 18 Gen Poor 8 Poor 35 Fair
Max LVORI Early 4 4 6 4
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-050930-
Ohio-
Including the city of Wheeling
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-14) 35 (+4) 21 37
RH % (24h trend) 86 (-3) 71 (+12) 96 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 540 670
Mixing Hgt(ft-agl/msl) 1790 2200
Transport Wnd (mph) SW 8 SW 16
Vent Rate (kt-ft) 14870 34870
Category Day 2 3
Inversion 7pm 28F/11am 5pm 30F/9am
Dispersion 4 5
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 14 Gen Poor 9 Poor 33 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 5 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-050930-
Marshall-
Including the city of Moundsville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 14 (-10) 37 (+5) 22 39
RH % (24h trend) 86 (-4) 74 (+11) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 540 700
Mixing Hgt(ft-agl/msl) 1760 2290
Transport Wnd (mph) SW 8 SW 16
Vent Rate (kt-ft) 16350 35970
Category Day 2 3
Inversion 7pm 30F/11am 5pm 30F/9am
Dispersion 5 5
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 16 Gen Poor 8 Poor 32 Fair
Max LVORI Early 5 5 7 5
Max LVORI Late 5 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-050930-
Wetzel-
Including the city of New Martinsville
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 15 (-8) 36 (+4) 23 38
RH % (24h trend) 90 (-2) 77 (+9) 100 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 520 690
Mixing Hgt(ft-agl/msl) 1700 2250
Transport Wnd (mph) SW 8 SW 15
Vent Rate (kt-ft) 15350 34130
Category Day 2 3
Inversion 6pm 31F/11am 5pm 31F/9am
Dispersion 4 5
Max ADI Early 4 Very Poor 10 Poor 5 Very Poor 28 Fair
Max ADI Late 5 Very Poor 16 Gen Poor 5 Very Poor 31 Fair
Max LVORI Early 5 6 9 5
Max LVORI Late 5 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-050930-
Marion-
Including the city of Fairmont
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Flurries None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 15 (-8) 37 (+6) 24 39
RH % (24h trend) 93 (+2) 80 (+8) 100 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 9 AM
Mixing Hgt(m-agl/msl) 590 760
Mixing Hgt(ft-agl/msl) 1930 2490
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 19100 39710
Category Day 2 3
Inversion 6pm 32F/11am 5pm 32F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 12 Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 18 Gen Poor 5 Very Poor 34 Fair
Max LVORI Early 6 6 9 8
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-050930-
Monongalia-
Including the city of Morgantown
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Flurries None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-10) 37 (+6) 24 39
RH % (24h trend) 91 (+1) 78 (+8) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 10 AM
Mixing Hgt(m-agl/msl) 610 750
Mixing Hgt(ft-agl/msl) 1990 2460
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 19390 38540
Category Day 2 3
Inversion 6pm 32F/11am 4pm 31F/8am
Dispersion 5 5
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 3 Very Poor 19 Gen Poor 8 Poor 34 Fair
Max LVORI Early 6 6 9 6
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-050930-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Flurries Flurries None None
Chance Precip (%) 10 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 12 (-10) 35 (+7) 26 37
RH % (24h trend) 92 (-2) 77 (+3) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 3 AM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 500 650
Mixing Hgt(ft-agl/msl) 1640 2120
Transport Wnd (mph) SW 10 SW 17
Vent Rate (kt-ft) 19280 35700
Category Day 2 3
Inversion 6pm 32F/12pm 4pm 31F/9am
Dispersion 5 5
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 26 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 7 Poor 32 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 5 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-050930-
Preston-
Including the cities of Kingwood and Bruceton Mills
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 20 20 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-9) 36 (+7) 26 38
RH % (24h trend) 93 (0) 75 (+1) 100 71
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 2 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 620 750
Mixing Hgt(ft-agl/msl) 2030 2470
Transport Wnd (mph) SW 10 SW 16
Vent Rate (kt-ft) 26150 41270
Category Day 2 3
Inversion 6pm 28F/10am 5pm 30F/8am
Dispersion 5 5
Max ADI Early 4 Very Poor 17 Gen Poor 5 Very Poor 31 Fair
Max ADI Late 5 Very Poor 21 Fair 5 Very Poor 34 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-050930-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow/Fz Ra None None
Chance Precip (%) 30 20 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-9) 35 (+8) 26 38
RH % (24h trend) 92 (-5) 75 (-5) 100 70
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 550 710
Mixing Hgt(ft-agl/msl) 1790 2320
Transport Wnd (mph) SW 12 SW 18
Vent Rate (kt-ft) 22700 46130
Category Day 2 3
Inversion 6pm 29F/11am 4pm 29F/8am
Dispersion 5 5
Max ADI Early 5 Very Poor 16 Gen Poor 7 Poor 30 Fair
Max ADI Late 8 Poor 18 Gen Poor 9 Poor 37 Fair
Max LVORI Early 6 5 8 5
Max LVORI Late 5 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-050930-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow/Fz Ra None None
Chance Precip (%) 60 40 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 16 (-5) 38 (+9) 26 40
RH % (24h trend) 91 (-7) 68 (-5) 100 61
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 12 PM
Mixing Hgt(m-agl/msl) 650 900
Mixing Hgt(ft-agl/msl) 2150 2940
Transport Wnd (mph) SW 10 W 17
Vent Rate (kt-ft) 25910 53040
Category Day 2 3
Inversion 6pm 26F/9am 4pm 30F/8am
Dispersion 5 5
Max ADI Early 4 Very Poor 21 Fair 5 Very Poor 31 Fair
Max ADI Late 5 Very Poor 20 Gen Poor 5 Very Poor 40 Fair
Max LVORI Early 6 5 9 6
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-050930-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1252 PM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow/Fz Ra None None
Chance Precip (%) 70 40 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-6) 34 (+8) 22 38
RH % (24h trend) 96 (-3) 76 (-9) 100 66
Wind 20ft/early(mph) Lgt/Var S 5 G17 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6 G17
Precip Amount 0.01 0.01 0.00 0.00
Precip Duration 3 1
Precip Begin 12 AM Continuing
Precip End Continuing 12 PM
Mixing Hgt(m-agl/msl) 520 870
Mixing Hgt(ft-agl/msl) 1720 2850
Transport Wnd (mph) SW 13 W 21
Vent Rate (kt-ft) 26210 64210
Category Day 2 3
Inversion 6pm 27F/11am 4pm 30F/9am
Dispersion 5 5
Max ADI Early 9 Poor 18 Gen Poor 7 Poor 34 Fair
Max ADI Late 8 Poor 19 Gen Poor 8 Poor 44 Gen Good
Max LVORI Early 6 5 8 5
Max LVORI Late 6 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy with a chance of snow and rain. Lows in
the mid 20s. Highs in the mid 30s. South winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of snow and rain. Lows around
18. Highs in the upper 20s. West winds around 5 mph.
.TUESDAY...Mostly cloudy. A chance of snow. Lows around 12. Highs
in the mid 30s. Southwest winds 10 to 15 mph.
.WEDNESDAY...Cloudy with rain likely and a chance of snow. Lows
in the mid 20s. Highs in the upper 30s. Southwest winds 10 to
15 mph.
.THURSDAY...Cloudy with snow and rain likely. Lows in the mid
20s. West winds 15 to 20 mph.
$$