Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
539
FNUS51 KPBZ 111759
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1259 PM EST Thu Dec 11 2025
.DISCUSSION...
Active weather through the weekend will bring rounds of
snow, as well as fluctuating temperature and gusty winds. Dry
and cold weather will be on tap with plenty of snowfall potential
through the weekend. There are no fire weather concerns.
OHZ039-120915-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (0) 33 (+3) 21 30
RH % (24h trend) 91 (+1) 62 (-1) 91 63
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 9
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 1 1
Precip Begin 6 AM Continuing 1 PM
Precip End Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1050 1180
Mixing Hgt(ft-agl/msl) 3450 3880
Transport Wnd (mph) E 5 W 22
Vent Rate (kt-ft) 13800 73720
Category Day 2 4
Inversion 2am 22F/8am 6pm 25F/5am
Dispersion 2 4
Max ADI Early 19 Gen Poor 10 Poor 3 Very Poor 58 Gen Good
Max ADI Late 4 Very Poor 12 Poor 11 Poor 59 Gen Good
Max LVORI Early 4 6 5 4
Max LVORI Late 6 3 5 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-120915-
Carroll-
Including the cities of Carrollton and Malvern
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 19 (-1) 32 (+3) 20 29
RH % (24h trend) 89 (-1) 61 (-3) 89 65
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 W 10 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 4
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 1180
Mixing Hgt(ft-agl/msl) 3400 3860
Transport Wnd (mph) E 5 W 22
Vent Rate (kt-ft) 13600 73340
Category Day 2 4
Inversion 1am 21F/8am 6pm 24F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 10 Poor 3 Very Poor 63 Good
Max ADI Late 6 Very Poor 12 Poor 13 Gen Poor 63 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-120915-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 20 20 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-2) 31 (+3) 19 29
RH % (24h trend) 89 (-2) 61 (-5) 90 67
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 0 1 2 4
Precip Begin 6 PM 7 AM Continuing Continuing
Precip End 9 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1000 1250
Mixing Hgt(ft-agl/msl) 3280 4100
Transport Wnd (mph) E 3 W 23
Vent Rate (kt-ft) 9840 82000
Category Day 2 4
Inversion 2am 20F/8am 6pm 24F/6am
Dispersion 2 4
Max ADI Early 21 Fair 12 Poor 3 Very Poor 64 Good
Max ADI Late 8 Poor 11 Poor 9 Poor 67 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-120915-
Coshocton-
Including the city of Coshocton
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (0) 33 (+3) 22 29
RH % (24h trend) 93 (-1) 64 (0) 93 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 2 1 1
Precip Begin 6 AM Continuing 1 PM
Precip End Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1050 1160
Mixing Hgt(ft-agl/msl) 3460 3810
Transport Wnd (mph) E 5 W 21
Vent Rate (kt-ft) 13840 68580
Category Day 2 4
Inversion 2am 23F/8am 7pm 25F/5am
Dispersion 2 4
Max ADI Early 9 Poor 10 Poor 3 Very Poor 55 Gen Good
Max ADI Late 3 Very Poor 14 Gen Poor 8 Poor 56 Gen Good
Max LVORI Early 4 6 5 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-120915-
Harrison-
Including the city of Cadiz
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (0) 33 (+3) 22 31
RH % (24h trend) 89 (-2) 60 (+1) 90 62
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 W 9 G17
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 2 1 4
Precip Begin 6 AM Continuing 1 PM
Precip End Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1040 1170
Mixing Hgt(ft-agl/msl) 3400 3840
Transport Wnd (mph) E 5 W 22
Vent Rate (kt-ft) 13600 72960
Category Day 2 4
Inversion 10pm 22F/8am 6pm 25F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 10 Poor 3 Very Poor 58 Gen Good
Max ADI Late 5 Very Poor 12 Poor 11 Poor 59 Gen Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-120915-
Jefferson OH-
Including the city of Steubenville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 32 (+2) 22 31
RH % (24h trend) 85 (-8) 57 (-1) 86 61
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 4
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1070 1260
Mixing Hgt(ft-agl/msl) 3520 4120
Transport Wnd (mph) E 5 W 23
Vent Rate (kt-ft) 14080 82400
Category Day 2 4
Inversion 5am 22F/8am 6pm 25F/5am
Dispersion 2 4
Max ADI Early 20 Gen Poor 11 Poor 2 Very Poor 59 Gen Good
Max ADI Late 6 Very Poor 12 Poor 10 Poor 63 Good
Max LVORI Early 4 4 4 4
Max LVORI Late 5 3 5 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-120915-
Muskingum-
Including the city of Zanesville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 20 40 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (+1) 34 (+3) 23 30
RH % (24h trend) 92 (-1) 64 (+2) 93 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 0 2 1 1
Precip Begin 3 AM Continuing Continuing 1 PM
Precip End Continuing Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1040 1140
Mixing Hgt(ft-agl/msl) 3420 3740
Transport Wnd (mph) E 6 W 21
Vent Rate (kt-ft) 17100 67320
Category Day 2 4
Inversion 7pm 25F/6am 7pm 26F/4am
Dispersion 2 4
Max ADI Early 8 Poor 15 Gen Poor 3 Very Poor 53 Gen Good
Max ADI Late 3 Very Poor 18 Gen Poor 9 Poor 54 Gen Good
Max LVORI Early 4 6 6 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-120915-
Guernsey-
Including the city of Cambridge
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+1) 35 (+3) 23 31
RH % (24h trend) 90 (-4) 61 (+1) 92 61
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 2 1 1
Precip Begin 6 AM Continuing 1 PM
Precip End Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1030 1190
Mixing Hgt(ft-agl/msl) 3380 3910
Transport Wnd (mph) E 5 W 23
Vent Rate (kt-ft) 13520 78200
Category Day 2 4
Inversion 9pm 24F/8am 7pm 25F/4am
Dispersion 2 4
Max ADI Early 9 Poor 10 Poor 3 Very Poor 62 Good
Max ADI Late 4 Very Poor 18 Gen Poor 9 Poor 62 Good
Max LVORI Early 4 6 5 4
Max LVORI Late 6 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-120915-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 30 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (0) 34 (+3) 23 33
RH % (24h trend) 89 (-6) 60 (+2) 91 62
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 W 9 G17
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1020 1210
Mixing Hgt(ft-agl/msl) 3340 3970
Transport Wnd (mph) E 5 W 22
Vent Rate (kt-ft) 13360 75430
Category Day 2 4
Inversion 10pm 23F/5am 7pm 26F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 10 Poor 3 Very Poor 57 Gen Good
Max ADI Late 5 Very Poor 15 Gen Poor 12 Poor 59 Gen Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-120915-
Noble-
Including the city of Caldwell
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 20 40 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 35 (+3) 24 33
RH % (24h trend) 91 (-2) 62 (+2) 92 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.01 0.00 0.03
Precip Duration 0 2 1 1
Precip Begin 3 AM Continuing Continuing 1 PM
Precip End Continuing Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1050 1160
Mixing Hgt(ft-agl/msl) 3430 3810
Transport Wnd (mph) E 6 W 21
Vent Rate (kt-ft) 17150 68580
Category Day 2 4
Inversion 1am 25F/8am 7pm 27F/4am
Dispersion 2 4
Max ADI Early 9 Poor 13 Gen Poor 3 Very Poor 56 Gen Good
Max ADI Late 4 Very Poor 18 Gen Poor 9 Poor 56 Gen Good
Max LVORI Early 4 6 6 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-120915-
Monroe-
Including the city of Woodsfield
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 20 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 35 (+3) 24 33
RH % (24h trend) 89 (-4) 61 (+2) 91 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 2 1 1
Precip Begin 6 AM Continuing 1 PM
Precip End Continuing 1 AM Continuing
Mixing Hgt(m-agl/msl) 1060 1160
Mixing Hgt(ft-agl/msl) 3490 3820
Transport Wnd (mph) E 5 W 21
Vent Rate (kt-ft) 13960 68760
Category Day 2 4
Inversion 1am 25F/4am 7pm 27F/4am
Dispersion 2 4
Max ADI Early 9 Poor 13 Gen Poor 2 Very Poor 51 Gen Good
Max ADI Late 4 Very Poor 18 Gen Poor 8 Poor 56 Gen Good
Max LVORI Early 4 6 5 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-120915-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Showers None Snow Snow
Chance Precip (%) 40 0 30 70
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-2) 29 (+2) 15 27
RH % (24h trend) 96 (0) 68 (-6) 96 72
Wind 20ft/early(mph) W 8 G17 Lgt/Var Lgt/Var SW 10 G17
Wind 20ft/late(mph) SW 5 Lgt/Var Lgt/Var W 10 G18
Precip Amount 0.02 0.00 0.00 0.02
Precip Duration 2 2 8
Precip Begin 6 PM 7 PM Continuing
Precip End 5 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 940 1210
Mixing Hgt(ft-agl/msl) 3080 3980
Transport Wnd (mph) W 6 W 24
Vent Rate (kt-ft) 15400 83580
Category Day 2 4
Inversion 8pm 22F/9am 6pm 22F/6am
Dispersion 2 4
Max ADI Early 18 Gen Poor 14 Gen Poor 4 Very Poor 61 Good
Max ADI Late 9 Poor 13 Gen Poor 11 Poor 65 Good
Max LVORI Early 5 6 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-120915-
Venango-
Including the cities of Oil City and Franklin
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Showers None Snow Snow
Chance Precip (%) 50 0 30 70
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-2) 29 (+3) 14 27
RH % (24h trend) 96 (-3) 70 (-5) 98 75
Wind 20ft/early(mph) W 7 G17 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) W 5 Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.02 0.00 0.00 0.02
Precip Duration 2 2 5
Precip Begin 6 PM 7 PM Continuing
Precip End 6 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1050 1230
Mixing Hgt(ft-agl/msl) 3440 4050
Transport Wnd (mph) W 7 W 26
Vent Rate (kt-ft) 20640 93150
Category Day 2 4
Inversion 9pm 18F/8am 6pm 21F/7am
Dispersion 2 4
Max ADI Early 20 Gen Poor 23 Fair 3 Very Poor 62 Good
Max ADI Late 10 Poor 22 Fair 8 Poor 71 Good
Max LVORI Early 5 6 6 5
Max LVORI Late 6 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-120915-
Forest-
Including the city of Tionesta
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Showers None Snow Snow
Chance Precip (%) 50 0 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 16 (-2) 28 (+3) 12 27
RH % (24h trend) 93 (-2) 66 (-4) 96 71
Wind 20ft/early(mph) W 6 G18 Lgt/Var Lgt/Var SW 6 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G18
Precip Amount 0.02 0.00 0.00 0.02
Precip Duration 2 1 6
Precip Begin 6 PM 1 AM Continuing
Precip End 5 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1090 1320
Mixing Hgt(ft-agl/msl) 3590 4350
Transport Wnd (mph) W 10 W 26
Vent Rate (kt-ft) 32310 100050
Category Day 3 4
Inversion 12am 18F/8am 6pm 20F/7am
Dispersion 3 4
Max ADI Early 22 Fair 30 Fair 3 Very Poor 63 Good
Max ADI Late 10 Poor 29 Fair 7 Poor 75 Good
Max LVORI Early 5 5 6 5
Max LVORI Late 6 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-120915-
Lawrence-
Including the cities of New Castle and Ellwood City
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 30 20 30 70
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-3) 31 (+3) 17 29
RH % (24h trend) 93 (-2) 63 (-4) 95 69
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9
Precip Amount 0.00 0.00 0.00 0.03
Precip Duration 1 1 2 5
Precip Begin 6 PM 1 PM Continuing Continuing
Precip End 1 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 970 1290
Mixing Hgt(ft-agl/msl) 3200 4220
Transport Wnd (mph) S 3 W 23
Vent Rate (kt-ft) 9600 84400
Category Day 1 4
Inversion 11pm 22F/9am 7pm 22F/5am
Dispersion 1 4
Max ADI Early 18 Gen Poor 16 Gen Poor 2 Very Poor 61 Good
Max ADI Late 9 Poor 14 Gen Poor 8 Poor 67 Good
Max LVORI Early 4 6 6 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-120915-
Butler-
Including the city of Butler
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 30 20 30 70
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-2) 30 (+3) 15 29
RH % (24h trend) 95 (-3) 67 (-2) 96 73
Wind 20ft/early(mph) W 7 G17 Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 1 1 2 5
Precip Begin 6 PM 1 PM Continuing Continuing
Precip End 12 AM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1080 1220
Mixing Hgt(ft-agl/msl) 3530 4010
Transport Wnd (mph) NW 5 W 24
Vent Rate (kt-ft) 14120 84210
Category Day 2 4
Inversion 12am 19F/8am 6pm 22F/6am
Dispersion 2 4
Max ADI Early 22 Fair 18 Gen Poor 3 Very Poor 60 Gen Good
Max ADI Late 10 Poor 17 Gen Poor 7 Poor 65 Good
Max LVORI Early 5 6 6 5
Max LVORI Late 6 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-120915-
Clarion-
Including the city of Clarion
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Showers None Snow Snow
Chance Precip (%) 30 0 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-2) 28 (+2) 14 28
RH % (24h trend) 94 (-2) 68 (-4) 96 72
Wind 20ft/early(mph) W 7 G19 Lgt/Var Lgt/Var SW 7 G17
Wind 20ft/late(mph) W 5 Lgt/Var Lgt/Var W 8 G18
Precip Amount 0.01 0.00 0.00 0.02
Precip Duration 1 2 5
Precip Begin 6 PM 7 PM Continuing
Precip End 1 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1080 1270
Mixing Hgt(ft-agl/msl) 3530 4170
Transport Wnd (mph) W 7 W 25
Vent Rate (kt-ft) 21180 91740
Category Day 2 4
Inversion 10pm 18F/8am 7pm 21F/7am
Dispersion 2 4
Max ADI Early 22 Fair 26 Fair 2 Very Poor 59 Gen Good
Max ADI Late 10 Poor 24 Fair 7 Poor 71 Good
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.
$$
PAZ016-120915-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Showers None Snow Snow
Chance Precip (%) 30 0 30 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-2) 27 (+3) 13 28
RH % (24h trend) 90 (-4) 66 (-4) 92 71
Wind 20ft/early(mph) W 9 G20 Lgt/Var Lgt/Var SW 8 G18
Wind 20ft/late(mph) W 7 Lgt/Var Lgt/Var W 9 G19
Precip Amount 0.01 0.00 0.00 0.01
Precip Duration 1 2 2
Precip Begin 6 PM 7 PM Continuing
Precip End 1 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1030 1280
Mixing Hgt(ft-agl/msl) 3390 4200
Transport Wnd (mph) W 9 W 28
Vent Rate (kt-ft) 27120 100800
Category Day 3 4
Inversion 1am 18F/8am 7pm 21F/7am
Dispersion 3 4
Max ADI Early 27 Fair 27 Fair 2 Very Poor 61 Good
Max ADI Late 14 Gen Poor 25 Fair 7 Poor 75 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-120915-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 32 (+4) 19 30
RH % (24h trend) 90 (-3) 58 (-6) 89 65
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 1 2 5
Precip Begin 7 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1090 1320
Mixing Hgt(ft-agl/msl) 3580 4320
Transport Wnd (mph) E 3 W 23
Vent Rate (kt-ft) 10740 86400
Category Day 2 4
Inversion 3am 21F/8am 6pm 24F/6am
Dispersion 2 4
Max ADI Early 25 Fair 12 Poor 2 Very Poor 59 Gen Good
Max ADI Late 8 Poor 12 Poor 7 Poor 66 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-120915-
Allegheny-
Including the city of Pittsburgh Metro Area
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-2) 32 (+3) 20 33
RH % (24h trend) 89 (-5) 59 (-4) 91 65
Wind 20ft/early(mph) W 8 G17 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 10 G18
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1 2 5
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1080 1300
Mixing Hgt(ft-agl/msl) 3560 4280
Transport Wnd (mph) E 3 W 23
Vent Rate (kt-ft) 10680 85600
Category Day 2 4
Inversion 4am 21F/5am 6pm 25F/5am
Dispersion 2 4
Max ADI Early 25 Fair 15 Gen Poor 2 Very Poor 61 Good
Max ADI Late 9 Poor 12 Poor 8 Poor 70 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-120915-
Armstrong-
Including the cities of Kittanning and Ford City
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type Snow Showers Snow Snow Snow
Chance Precip (%) 20 20 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-2) 31 (+4) 17 31
RH % (24h trend) 93 (-3) 65 (-3) 96 72
Wind 20ft/early(mph) W 8 G19 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) W 5 Lgt/Var Lgt/Var W 9 G18
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1 1 2 5
Precip Begin 6 PM 1 PM Continuing Continuing
Precip End 11 PM Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1110 1300
Mixing Hgt(ft-agl/msl) 3630 4280
Transport Wnd (mph) W 6 W 25
Vent Rate (kt-ft) 18150 94160
Category Day 2 4
Inversion 2am 20F/8am 6pm 22F/6am
Dispersion 2 4
Max ADI Early 20 Gen Poor 21 Fair 2 Very Poor 61 Good
Max ADI Late 11 Poor 21 Fair 8 Poor 72 Good
Max LVORI Early 4 5 6 5
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-120915-
Washington-
Including the cities of Washington and Canonsburg
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 32 (+3) 22 33
RH % (24h trend) 87 (-8) 59 (-1) 88 63
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 10 G18
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 10 G18
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 5
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1070 1270
Mixing Hgt(ft-agl/msl) 3490 4160
Transport Wnd (mph) E 3 W 25
Vent Rate (kt-ft) 10470 91520
Category Day 2 4
Inversion None None 6pm 25F/5am
Dispersion 2 4
Max ADI Early 19 Gen Poor 11 Poor 2 Very Poor 63 Good
Max ADI Late 8 Poor 12 Poor 11 Poor 70 Good
Max LVORI Early 4 4 5 4
Max LVORI Late 5 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-120915-
Greene-
Including the city of Waynesburg
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 33 (+3) 23 33
RH % (24h trend) 89 (-6) 65 (+3) 91 68
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1050 1230
Mixing Hgt(ft-agl/msl) 3460 4050
Transport Wnd (mph) NE 3 W 23
Vent Rate (kt-ft) 10380 81000
Category Day 2 4
Inversion 7pm 24F/4am 6pm 26F/4am
Dispersion 2 4
Max ADI Early 16 Gen Poor 11 Poor 3 Very Poor 60 Gen Good
Max ADI Late 7 Poor 15 Gen Poor 8 Poor 62 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-120915-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 19 (-2) 32 (+3) 19 33
RH % (24h trend) 91 (-6) 61 (-2) 95 68
Wind 20ft/early(mph) W 9 G17 Lgt/Var Lgt/Var SW 10 G18
Wind 20ft/late(mph) W 5 Lgt/Var Lgt/Var W 11 G19
Precip Amount 0.00 0.00 0.01 0.01
Precip Duration 1 2 5
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1080 1300
Mixing Hgt(ft-agl/msl) 3550 4250
Transport Wnd (mph) N 5 W 25
Vent Rate (kt-ft) 14200 93500
Category Day 2 4
Inversion 2am 21F/4am 6pm 24F/4am
Dispersion 2 4
Max ADI Early 20 Gen Poor 17 Gen Poor 2 Very Poor 61 Good
Max ADI Late 11 Poor 16 Gen Poor 9 Poor 70 Good
Max LVORI Early 4 5 6 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-120915-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-3) 32 (+6) 19 32
RH % (24h trend) 88 (-10) 56 (-6) 91 64
Wind 20ft/early(mph) W 10 G22 Lgt/Var Lgt/Var SW 9 G21
Wind 20ft/late(mph) W 6 G21 Lgt/Var Lgt/Var W 11 G21
Precip Amount 0.00 0.00 0.02 0.01
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 1220
Mixing Hgt(ft-agl/msl) 3420 4020
Transport Wnd (mph) W 6 W 25
Vent Rate (kt-ft) 17100 88440
Category Day 2 4
Inversion 6pm 20F/8am 5pm 24F/4am
Dispersion 2 4
Max ADI Early 17 Gen Poor 20 Gen Poor 3 Very Poor 61 Good
Max ADI Late 12 Poor 19 Gen Poor 10 Poor 70 Good
Max LVORI Early 4 4 5 4
Max LVORI Late 5 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-120915-
Fayette-
Including the city of Uniontown
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-2) 33 (+3) 22 34
RH % (24h trend) 90 (-4) 64 (+3) 92 68
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.00 0.00 0.02 0.01
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1120 1290
Mixing Hgt(ft-agl/msl) 3670 4240
Transport Wnd (mph) NE 3 W 23
Vent Rate (kt-ft) 11010 84800
Category Day 2 4
Inversion 7pm 23F/4am 6pm 26F/4am
Dispersion 2 4
Max ADI Early 16 Gen Poor 12 Poor 2 Very Poor 61 Good
Max ADI Late 8 Poor 13 Gen Poor 8 Poor 65 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-120915-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 17 (-1) 31 (+5) 20 32
RH % (24h trend) 91 (-7) 62 (-2) 98 70
Wind 20ft/early(mph) W 7 G19 Lgt/Var Lgt/Var SW 8 G18
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G18
Precip Amount 0.00 0.00 0.02 0.02
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1010 1080
Mixing Hgt(ft-agl/msl) 3310 3540
Transport Wnd (mph) SW 5 W 24
Vent Rate (kt-ft) 13240 74340
Category Day 2 4
Inversion 6pm 20F/8am 5pm 24F/4am
Dispersion 2 4
Max ADI Early 14 Gen Poor 16 Gen Poor 4 Very Poor 57 Gen Good
Max ADI Late 10 Poor 15 Gen Poor 10 Poor 60 Gen Good
Max LVORI Early 4 5 6 4
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-120915-
Indiana-
Including the city of Indiana
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-2) 30 (+4) 16 31
RH % (24h trend) 90 (-5) 62 (-6) 93 69
Wind 20ft/early(mph) W 10 G21 Lgt/Var Lgt/Var SW 9 G19
Wind 20ft/late(mph) W 7 G18 Lgt/Var Lgt/Var W 11 G20
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1 2 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1060 1240
Mixing Hgt(ft-agl/msl) 3480 4080
Transport Wnd (mph) W 7 W 25
Vent Rate (kt-ft) 20880 89760
Category Day 2 4
Inversion 8pm 20F/8am 6pm 23F/6am
Dispersion 2 4
Max ADI Early 21 Fair 23 Fair 3 Very Poor 63 Good
Max ADI Late 15 Gen Poor 23 Fair 8 Poor 70 Good
Max LVORI Early 4 5 6 4
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-120915-
Higher Elevations of Indiana-
Including the city of Armagh
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 19 (-1) 30 (+5) 17 31
RH % (24h trend) 87 (-8) 60 (-6) 90 68
Wind 20ft/early(mph) W 11 G23 Lgt/Var Lgt/Var SW 9 G20
Wind 20ft/late(mph) W 8 G20 Lgt/Var Lgt/Var W 11 G21
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1 2 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1020 1210
Mixing Hgt(ft-agl/msl) 3340 3970
Transport Wnd (mph) W 7 W 25
Vent Rate (kt-ft) 20040 87340
Category Day 2 4
Inversion 6pm 20F/8am 6pm 23F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 24 Fair 3 Very Poor 66 Good
Max ADI Late 16 Gen Poor 22 Fair 10 Poor 71 Good
Max LVORI Early 4 4 5 4
Max LVORI Late 4 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-120915-
Hancock-
Including the city of Weirton
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 20 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (0) 32 (+4) 22 30
RH % (24h trend) 85 (-8) 56 (-5) 85 62
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 1 2 5
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1120 1310
Mixing Hgt(ft-agl/msl) 3670 4290
Transport Wnd (mph) E 3 W 23
Vent Rate (kt-ft) 11010 85800
Category Day 2 4
Inversion None None 6pm 25F/6am
Dispersion 2 4
Max ADI Early 22 Fair 11 Poor 2 Very Poor 57 Gen Good
Max ADI Late 8 Poor 12 Poor 8 Poor 64 Good
Max LVORI Early 4 4 4 4
Max LVORI Late 5 3 4 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-120915-
Brooke-
Including the cities of Follansbee and Wellsburg
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 30 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 33 (+3) 23 31
RH % (24h trend) 83 (-9) 56 (-2) 85 60
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 5
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1120 1290
Mixing Hgt(ft-agl/msl) 3660 4230
Transport Wnd (mph) E 3 W 24
Vent Rate (kt-ft) 10980 88830
Category Day 2 4
Inversion 5am 23F/8am 6pm 26F/4am
Dispersion 2 4
Max ADI Early 20 Gen Poor 11 Poor 2 Very Poor 59 Gen Good
Max ADI Late 7 Poor 12 Poor 8 Poor 66 Good
Max LVORI Early 4 4 4 4
Max LVORI Late 5 3 4 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-120915-
Ohio-
Including the city of Wheeling
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 30 40 60
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (0) 33 (+3) 24 32
RH % (24h trend) 86 (-9) 60 (+1) 87 62
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 9 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 W 10 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 4
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1060 1280
Mixing Hgt(ft-agl/msl) 3470 4200
Transport Wnd (mph) E 3 W 24
Vent Rate (kt-ft) 10410 88200
Category Day 2 4
Inversion 4am 23F/5am 6pm 27F/6am
Dispersion 2 4
Max ADI Early 20 Gen Poor 11 Poor 3 Very Poor 58 Gen Good
Max ADI Late 7 Poor 15 Gen Poor 11 Poor 66 Good
Max LVORI Early 4 5 4 4
Max LVORI Late 5 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-120915-
Marshall-
Including the city of Moundsville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 35 (+4) 24 34
RH % (24h trend) 87 (-9) 62 (0) 88 66
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.00 0.00 0.00 0.02
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1080 1240
Mixing Hgt(ft-agl/msl) 3550 4060
Transport Wnd (mph) E 3 W 23
Vent Rate (kt-ft) 10650 81200
Category Day 2 4
Inversion 11pm 25F/4am 6pm 27F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 11 Poor 2 Very Poor 56 Gen Good
Max ADI Late 6 Very Poor 15 Gen Poor 9 Poor 61 Good
Max LVORI Early 4 5 5 4
Max LVORI Late 5 3 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-120915-
Wetzel-
Including the city of New Martinsville
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+1) 35 (+5) 25 33
RH % (24h trend) 88 (-8) 66 (+2) 90 71
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.01 0.00 0.03
Precip Duration 2 2 1
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1050 1170
Mixing Hgt(ft-agl/msl) 3440 3820
Transport Wnd (mph) E 5 W 22
Vent Rate (kt-ft) 13760 72580
Category Day 2 4
Inversion 1am 25F/4am 6pm 27F/4am
Dispersion 2 4
Max ADI Early 12 Poor 14 Gen Poor 3 Very Poor 49 Gen Good
Max ADI Late 5 Very Poor 17 Gen Poor 8 Poor 57 Gen Good
Max LVORI Early 4 5 5 4
Max LVORI Late 5 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-120915-
Marion-
Including the city of Fairmont
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 50 40 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 33 (+3) 25 33
RH % (24h trend) 91 (-2) 68 (+4) 95 74
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Precip Amount 0.00 0.02 0.01 0.02
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1030 1140
Mixing Hgt(ft-agl/msl) 3390 3730
Transport Wnd (mph) NE 5 W 22
Vent Rate (kt-ft) 13560 70870
Category Day 2 4
Inversion None None 6pm 27F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 11 Poor 3 Very Poor 54 Gen Good
Max ADI Late 5 Very Poor 17 Gen Poor 8 Poor 56 Gen Good
Max LVORI Early 4 6 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-120915-
Monongalia-
Including the city of Morgantown
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-1) 33 (+3) 24 33
RH % (24h trend) 90 (-4) 67 (+3) 93 73
Wind 20ft/early(mph) W 5 Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Precip Amount 0.00 0.01 0.01 0.02
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1050 1180
Mixing Hgt(ft-agl/msl) 3450 3890
Transport Wnd (mph) NE 3 W 22
Vent Rate (kt-ft) 10350 73910
Category Day 2 4
Inversion 7pm 24F/4am 6pm 27F/4am
Dispersion 2 4
Max ADI Early 13 Gen Poor 11 Poor 3 Very Poor 57 Gen Good
Max ADI Late 8 Poor 16 Gen Poor 8 Poor 58 Gen Good
Max LVORI Early 4 5 6 4
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-120915-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 40 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (0) 32 (+6) 22 31
RH % (24h trend) 91 (-7) 68 (+2) 98 75
Wind 20ft/early(mph) W 7 Lgt/Var Lgt/Var SW 8 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.00 0.02 0.02 0.03
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 930 1010
Mixing Hgt(ft-agl/msl) 3040 3320
Transport Wnd (mph) SW 3 W 22
Vent Rate (kt-ft) 9120 63080
Category Day 1 4
Inversion 6pm 22F/8am 5pm 26F/4am
Dispersion 1 4
Max ADI Early 13 Gen Poor 9 Poor 3 Very Poor 53 Gen Good
Max ADI Late 8 Poor 13 Gen Poor 11 Poor 55 Gen Good
Max LVORI Early 4 5 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-120915-
Preston-
Including the cities of Kingwood and Bruceton Mills
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 50 50 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (0) 32 (+5) 22 31
RH % (24h trend) 92 (-4) 68 (+2) 99 75
Wind 20ft/early(mph) W 6 Lgt/Var Lgt/Var SW 7 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.00 0.03 0.02 0.02
Precip Duration 2 2 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1000 1040
Mixing Hgt(ft-agl/msl) 3290 3410
Transport Wnd (mph) SW 5 W 23
Vent Rate (kt-ft) 13160 68200
Category Day 2 4
Inversion 2am 22F/4am 6pm 26F/4am
Dispersion 2 4
Max ADI Early 13 Gen Poor 12 Poor 3 Very Poor 55 Gen Good
Max ADI Late 9 Poor 15 Gen Poor 9 Poor 56 Gen Good
Max LVORI Early 4 6 6 5
Max LVORI Late 6 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-120915-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 50 60 50
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-1) 31 (+7) 22 31
RH % (24h trend) 95 (-4) 68 (-3) 99 75
Wind 20ft/early(mph) W 9 G20 Lgt/Var Lgt/Var W 9 G20
Wind 20ft/late(mph) W 6 G17 Lgt/Var SW 6 G17 W 9 G20
Precip Amount 0.00 0.04 0.03 0.02
Precip Duration 2 6 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 880 900
Mixing Hgt(ft-agl/msl) 2890 2950
Transport Wnd (mph) SW 6 W 25
Vent Rate (kt-ft) 14450 64900
Category Day 2 4
Inversion 7pm 21F/4am 6pm 25F/4am
Dispersion 2 4
Max ADI Early 19 Gen Poor 15 Gen Poor 5 Very Poor 56 Gen Good
Max ADI Late 15 Gen Poor 15 Gen Poor 14 Gen Poor 58 Gen Good
Max LVORI Early 4 5 6 4
Max LVORI Late 6 4 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-120915-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 60 50 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 19 (0) 33 (+7) 23 32
RH % (24h trend) 94 (-4) 64 (-1) 100 68
Wind 20ft/early(mph) W 8 G19 Lgt/Var Lgt/Var W 8 G19
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G19
Precip Amount 0.00 0.06 0.04 0.01
Precip Duration 5 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 930 920
Mixing Hgt(ft-agl/msl) 3060 3030
Transport Wnd (mph) SW 6 W 22
Vent Rate (kt-ft) 15300 57570
Category Day 2 4
Inversion 4am 21F/5am 6pm 26F/4am
Dispersion 2 4
Max ADI Early 20 Gen Poor 15 Gen Poor 4 Very Poor 53 Gen Good
Max ADI Late 11 Poor 17 Gen Poor 11 Poor 53 Gen Good
Max LVORI Early 4 5 6 4
Max LVORI Late 6 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-120915-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1259 PM EST Thu Dec 11 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Snow Snow Snow
Chance Precip (%) 0 60 50 40
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 15 (-1) 30 (+9) 20 29
RH % (24h trend) 98 (-2) 74 (-2) 100 76
Wind 20ft/early(mph) W 11 G30 Lgt/Var Lgt/Var W 10 G25
Wind 20ft/late(mph) W 7 G25 Lgt/Var W 7 G23 W 9 G24
Precip Amount 0.00 0.07 0.03 0.00
Precip Duration 8 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 810 850
Mixing Hgt(ft-agl/msl) 2660 2770
Transport Wnd (mph) SW 7 W 28
Vent Rate (kt-ft) 15960 66480
Category Day 2 4
Inversion None None 6pm 24F/5am
Dispersion 2 4
Max ADI Early 30 Fair 15 Gen Poor 7 Poor 57 Gen Good
Max ADI Late 23 Fair 17 Gen Poor 15 Gen Poor 60 Gen Good
Max LVORI Early 4 5 7 4
Max LVORI Late 6 5 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Snow. Lows around 11. Highs around 19. West winds 5 to
10 mph.
.MONDAY...Mostly cloudy with a chance of snow. Lows around 10.
Highs in the lower 20s. Southwest winds 15 to 20 mph.
.TUESDAY...Mostly cloudy. Lows around 13. Highs around 30.
Southwest winds 10 to 15 mph.
.WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the
lower 20s. Highs around 40. Southwest winds 5 to 10 mph.
.THURSDAY...Mostly cloudy with rain, snow likely and a chance of
freezing rain. Lows in the lower 30s. South winds 5 to 10 mph.
$$
Shallenberger