Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
461
FNUS51 KPBZ 011831
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
131 PM EST Mon Dec 1 2025
.DISCUSSION...
A low pressure system brings accumulating snow to much of the
region tonight into Tuesday, along with some mixed precipitation
to the southeast of Pittsburgh. Brief dry weather is expected on
Wednesday before the active pattern looks to continue with a
couple more chances of rain and snow through next weekend. Overall
fire weather concerns remain low at this time.
OHZ039-020930-
Tuscarawas-
Including the cities of New Philadelphia and Dover
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+4) 35 (0) 19 34
RH % (24h trend) 100 (+15) 73 (+22) 94 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 7 Lgt/Var SW 8
Precip Amount 0.17 0.09 0.00 0.00
Precip Duration 5 1
Precip Begin 9 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 830 790
Mixing Hgt(ft-agl/msl) 2710 2590
Transport Wnd (mph) NW 13 SW 17
Vent Rate (kt-ft) 46850 38850
Category Day 3 3
Inversion 6pm 29F/9am 5pm 23F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 22 Fair 8 Poor 35 Fair
Max ADI Late 3 Very Poor 30 Fair 5 Very Poor 47 Gen Good
Max LVORI Early 4 8 6 5
Max LVORI Late 7 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-020930-
Carroll-
Including the cities of Carrollton and Malvern
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+4) 35 (+1) 19 34
RH % (24h trend) 100 (+16) 75 (+26) 94 64
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 SW 6
Wind 20ft/late(mph) Lgt/Var NW 7 Lgt/Var SW 9
Precip Amount 0.17 0.11 0.00 0.00
Precip Duration 5 2
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 770 780
Mixing Hgt(ft-agl/msl) 2530 2550
Transport Wnd (mph) NW 13 SW 17
Vent Rate (kt-ft) 44790 38250
Category Day 3 3
Inversion 6pm 29F/9am 5pm 23F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 19 Gen Poor 8 Poor 35 Fair
Max ADI Late 5 Very Poor 29 Fair 5 Very Poor 40 Fair
Max LVORI Early 3 8 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-020930-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+3) 35 (+1) 18 33
RH % (24h trend) 100 (+15) 77 (+28) 96 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.16 0.11 0.00 0.00
Precip Duration 5 3
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 760 790
Mixing Hgt(ft-agl/msl) 2500 2580
Transport Wnd (mph) NW 12 SW 17
Vent Rate (kt-ft) 45120 38700
Category Day 2 3
Inversion 6pm 29F/9am 5pm 23F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 17 Gen Poor 8 Poor 35 Fair
Max ADI Late 6 Very Poor 28 Fair 5 Very Poor 36 Fair
Max LVORI Early 3 9 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-020930-
Coshocton-
Including the city of Coshocton
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+6) 35 (+1) 19 34
RH % (24h trend) 100 (+7) 72 (+17) 94 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.16 0.06 0.00 0.00
Precip Duration 6 1
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 900 790
Mixing Hgt(ft-agl/msl) 2960 2580
Transport Wnd (mph) N 13 SW 17
Vent Rate (kt-ft) 47990 38700
Category Day 3 3
Inversion 6pm 29F/9am 6pm 23F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 24 Fair 8 Poor 34 Fair
Max ADI Late 3 Very Poor 32 Fair 4 Very Poor 47 Gen Good
Max LVORI Early 4 9 6 5
Max LVORI Late 8 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-020930-
Harrison-
Including the city of Cadiz
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+4) 35 (0) 19 34
RH % (24h trend) 99 (+17) 71 (+19) 94 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.17 0.11 0.00 0.00
Precip Duration 5 2
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 810 790
Mixing Hgt(ft-agl/msl) 2640 2590
Transport Wnd (mph) NW 14 SW 16
Vent Rate (kt-ft) 44120 36260
Category Day 3 3
Inversion 6pm 30F/9am 6pm 23F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 19 Gen Poor 8 Poor 34 Fair
Max ADI Late 4 Very Poor 32 Fair 5 Very Poor 46 Gen Good
Max LVORI Early 3 8 6 5
Max LVORI Late 7 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-020930-
Jefferson OH-
Including the city of Steubenville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+2) 35 (0) 20 34
RH % (24h trend) 99 (+18) 71 (+21) 91 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 SW 6
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.17 0.12 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 800 800
Mixing Hgt(ft-agl/msl) 2610 2630
Transport Wnd (mph) NW 12 SW 16
Vent Rate (kt-ft) 45460 36820
Category Day 3 3
Inversion 6pm 31F/9am 5pm 24F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 18 Gen Poor 8 Poor 33 Fair
Max ADI Late 4 Very Poor 32 Fair 5 Very Poor 46 Gen Good
Max LVORI Early 3 9 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-020930-
Muskingum-
Including the city of Zanesville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+5) 35 (0) 19 35
RH % (24h trend) 100 (+13) 70 (+14) 94 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 6
Precip Amount 0.17 0.07 0.00 0.00
Precip Duration 5 1
Precip Begin 8 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 920 780
Mixing Hgt(ft-agl/msl) 3020 2570
Transport Wnd (mph) NW 14 SW 15
Vent Rate (kt-ft) 52420 33410
Category Day 3 3
Inversion 6pm 30F/9am 6pm 23F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 23 Fair 7 Poor 31 Fair
Max ADI Late 3 Very Poor 32 Fair 3 Very Poor 42 Gen Good
Max LVORI Early 4 9 6 6
Max LVORI Late 8 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-020930-
Guernsey-
Including the city of Cambridge
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+4) 36 (0) 19 35
RH % (24h trend) 100 (+5) 69 (+16) 94 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 6
Precip Amount 0.19 0.10 0.00 0.00
Precip Duration 5 2
Precip Begin 9 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 910 810
Mixing Hgt(ft-agl/msl) 3000 2660
Transport Wnd (mph) NW 14 SW 15
Vent Rate (kt-ft) 45870 34580
Category Day 3 3
Inversion 6pm 29F/8am 6pm 24F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 21 Fair 8 Poor 32 Fair
Max ADI Late 4 Very Poor 32 Fair 4 Very Poor 43 Gen Good
Max LVORI Early 4 8 6 6
Max LVORI Late 8 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-020930-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+2) 36 (0) 21 35
RH % (24h trend) 100 (+17) 71 (+18) 95 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 7
Precip Amount 0.20 0.13 0.00 0.00
Precip Duration 5 2
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 790 810
Mixing Hgt(ft-agl/msl) 2580 2650
Transport Wnd (mph) NW 15 SW 15
Vent Rate (kt-ft) 44210 34450
Category Day 3 3
Inversion 6pm 30F/5am 6pm 24F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 19 Gen Poor 8 Poor 32 Fair
Max ADI Late 4 Very Poor 32 Fair 4 Very Poor 43 Gen Good
Max LVORI Early 3 8 6 5
Max LVORI Late 7 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-020930-
Noble-
Including the city of Caldwell
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+3) 36 (0) 20 36
RH % (24h trend) 100 (+11) 70 (+16) 95 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 5
Precip Amount 0.22 0.11 0.00 0.00
Precip Duration 5 2
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 870 810
Mixing Hgt(ft-agl/msl) 2860 2650
Transport Wnd (mph) NW 15 SW 14
Vent Rate (kt-ft) 35140 31800
Category Day 3 3
Inversion 6pm 31F/9am 7pm 24F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 20 Gen Poor 8 Poor 29 Fair
Max ADI Late 3 Very Poor 33 Fair 3 Very Poor 40 Fair
Max LVORI Early 4 9 6 6
Max LVORI Late 8 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-020930-
Monroe-
Including the city of Woodsfield
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+2) 37 (0) 21 36
RH % (24h trend) 100 (+19) 71 (+17) 93 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var SW 5
Precip Amount 0.23 0.14 0.00 0.00
Precip Duration 5 3
Precip Begin 9 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 800 840
Mixing Hgt(ft-agl/msl) 2620 2750
Transport Wnd (mph) NW 15 SW 14
Vent Rate (kt-ft) 44740 33000
Category Day 3 3
Inversion 6pm 34F/10am 5pm 25F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 19 Gen Poor 8 Poor 28 Fair
Max ADI Late 3 Very Poor 31 Fair 4 Very Poor 39 Fair
Max LVORI Early 4 9 6 6
Max LVORI Late 7 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-020930-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 34 (+1) 18 32
RH % (24h trend) 100 (+11) 81 (+20) 100 70
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 9
Precip Amount 0.17 0.13 0.00 0.00
Precip Duration 5 3
Precip Begin 9 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 700 690
Mixing Hgt(ft-agl/msl) 2300 2250
Transport Wnd (mph) N 12 SW 17
Vent Rate (kt-ft) 41760 33750
Category Day 2 3
Inversion 6pm 31F/10am 5pm 24F/9am
Dispersion 5 3
Max ADI Early 6 Very Poor 14 Gen Poor 7 Poor 33 Fair
Max ADI Late 8 Poor 26 Fair 5 Very Poor 35 Fair
Max LVORI Early 4 9 9 6
Max LVORI Late 7 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-020930-
Venango-
Including the cities of Oil City and Franklin
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 21 (-1) 35 (+3) 18 32
RH % (24h trend) 100 (+12) 79 (+19) 100 71
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var SW 7
Precip Amount 0.16 0.15 0.00 0.00
Precip Duration 5 3
Precip Begin 12 AM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 800 780
Mixing Hgt(ft-agl/msl) 2630 2560
Transport Wnd (mph) N 13 SW 17
Vent Rate (kt-ft) 45590 38400
Category Day 3 3
Inversion 6pm 28F/9am 5pm 22F/8am
Dispersion 5 3
Max ADI Early 8 Poor 13 Gen Poor 8 Poor 35 Fair
Max ADI Late 9 Poor 28 Fair 5 Very Poor 36 Fair
Max LVORI Early 4 9 9 6
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-020930-
Forest-
Including the city of Tionesta
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 20 (-1) 35 (+4) 19 31
RH % (24h trend) 99 (+9) 75 (+19) 98 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.13 0.16 0.00 0.00
Precip Duration 4 4
Precip Begin 12 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 780 830
Mixing Hgt(ft-agl/msl) 2560 2710
Transport Wnd (mph) N 13 SW 17
Vent Rate (kt-ft) 45880 40650
Category Day 3 3
Inversion 6pm 27F/8am 5pm 22F/8am
Dispersion 5 3
Max ADI Early 7 Poor 13 Gen Poor 7 Poor 36 Fair
Max ADI Late 11 Poor 26 Fair 4 Very Poor 37 Fair
Max LVORI Early 3 7 7 6
Max LVORI Late 5 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-020930-
Lawrence-
Including the cities of New Castle and Ellwood City
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+1) 35 (+1) 18 34
RH % (24h trend) 100 (+13) 79 (+23) 99 67
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 7
Precip Amount 0.15 0.13 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 690 790
Mixing Hgt(ft-agl/msl) 2270 2580
Transport Wnd (mph) NW 13 SW 17
Vent Rate (kt-ft) 40960 38700
Category Day 3 3
Inversion 6pm 30F/9am 5pm 22F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 15 Gen Poor 8 Poor 35 Fair
Max ADI Late 8 Poor 26 Fair 4 Very Poor 37 Fair
Max LVORI Early 4 9 8 6
Max LVORI Late 6 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-020930-
Butler-
Including the city of Butler
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (+1) 35 (+1) 18 33
RH % (24h trend) 100 (+14) 80 (+22) 99 71
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 7
Precip Amount 0.16 0.15 0.00 0.00
Precip Duration 4 3
Precip Begin 11 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 750 800
Mixing Hgt(ft-agl/msl) 2450 2630
Transport Wnd (mph) NW 14 SW 16
Vent Rate (kt-ft) 42400 36820
Category Day 3 3
Inversion 6pm 30F/9am 5pm 21F/4am
Dispersion 5 3
Max ADI Early 8 Poor 13 Gen Poor 8 Poor 33 Fair
Max ADI Late 8 Poor 28 Fair 4 Very Poor 35 Fair
Max LVORI Early 3 9 9 6
Max LVORI Late 6 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-020930-
Clarion-
Including the city of Clarion
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (0) 35 (+3) 20 31
RH % (24h trend) 100 (+15) 77 (+22) 96 69
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) SE 5 NW 5 Lgt/Var SW 7
Precip Amount 0.14 0.16 0.00 0.00
Precip Duration 4 4
Precip Begin 12 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 800 820
Mixing Hgt(ft-agl/msl) 2620 2680
Transport Wnd (mph) NW 13 SW 16
Vent Rate (kt-ft) 43030 37520
Category Day 3 3
Inversion 7pm 29F/9am 5pm 22F/6am
Dispersion 5 3
Max ADI Early 9 Poor 12 Poor 8 Poor 34 Fair
Max ADI Late 11 Poor 27 Fair 4 Very Poor 35 Fair
Max LVORI Early 3 8 7 5
Max LVORI Late 5 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-020930-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 23 (-1) 35 (+3) 20 31
RH % (24h trend) 96 (+11) 75 (+23) 93 68
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) SE 7 NW 5 Lgt/Var SW 7
Precip Amount 0.12 0.20 0.00 0.00
Precip Duration 3 4
Precip Begin 11 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 690 830
Mixing Hgt(ft-agl/msl) 2250 2720
Transport Wnd (mph) NW 10 SW 16
Vent Rate (kt-ft) 36290 38080
Category Day 2 3
Inversion 8pm 29F/9am 5pm 22F/7am
Dispersion 5 3
Max ADI Early 10 Poor 16 Gen Poor 9 Poor 33 Fair
Max ADI Late 15 Gen Poor 25 Fair 5 Very Poor 46 Gen Good
Max LVORI Early 3 6 5 5
Max LVORI Late 4 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-020930-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+1) 35 (+1) 19 34
RH % (24h trend) 100 (+16) 76 (+25) 95 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 7
Precip Amount 0.16 0.13 0.00 0.00
Precip Duration 4 3
Precip Begin 11 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 760 810
Mixing Hgt(ft-agl/msl) 2500 2670
Transport Wnd (mph) NW 12 SW 16
Vent Rate (kt-ft) 41200 37380
Category Day 2 3
Inversion 6pm 31F/9am 6pm 23F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 15 Gen Poor 8 Poor 34 Fair
Max ADI Late 5 Very Poor 30 Fair 4 Very Poor 38 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-020930-
Allegheny-
Including the city of Pittsburgh Metro Area
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (0) 35 (0) 20 34
RH % (24h trend) 100 (+19) 78 (+23) 97 67
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 SW 5
Wind 20ft/late(mph) Lgt/Var NW 7 Lgt/Var SW 8
Precip Amount 0.17 0.18 0.00 0.00
Precip Duration 3 3
Precip Begin 11 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 720 810
Mixing Hgt(ft-agl/msl) 2370 2670
Transport Wnd (mph) NW 14 SW 15
Vent Rate (kt-ft) 41920 34710
Category Day 3 3
Inversion 6pm 33F/10am 6pm 23F/7am
Dispersion 5 3
Max ADI Early 6 Very Poor 14 Gen Poor 8 Poor 31 Fair
Max ADI Late 5 Very Poor 29 Fair 5 Very Poor 33 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 6 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-020930-
Armstrong-
Including the cities of Kittanning and Ford City
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (-1) 36 (+2) 20 34
RH % (24h trend) 99 (+14) 78 (+22) 98 70
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) SE 5 NW 5 Lgt/Var SW 7
Precip Amount 0.15 0.19 0.00 0.00
Precip Duration 3 4
Precip Begin 11 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 740 830
Mixing Hgt(ft-agl/msl) 2440 2730
Transport Wnd (mph) NW 13 SW 15
Vent Rate (kt-ft) 39610 35490
Category Day 3 3
Inversion 6pm 33F/10am 5pm 22F/5am
Dispersion 5 3
Max ADI Early 8 Poor 11 Poor 8 Poor 31 Fair
Max ADI Late 9 Poor 26 Fair 4 Very Poor 32 Fair
Max LVORI Early 3 8 7 5
Max LVORI Late 5 5 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-020930-
Washington-
Including the cities of Washington and Canonsburg
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+1) 35 (+1) 20 34
RH % (24h trend) 100 (+19) 75 (+18) 93 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 SW 6
Wind 20ft/late(mph) Lgt/Var NW 7 Lgt/Var SW 8
Precip Amount 0.19 0.18 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 710 800
Mixing Hgt(ft-agl/msl) 2350 2630
Transport Wnd (mph) NW 15 SW 15
Vent Rate (kt-ft) 42200 34190
Category Day 3 3
Inversion 6pm 33F/10am 5pm 24F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 16 Gen Poor 8 Poor 30 Fair
Max ADI Late 4 Very Poor 31 Fair 5 Very Poor 38 Fair
Max LVORI Early 3 9 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-020930-
Greene-
Including the city of Waynesburg
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+1) 36 (+1) 21 34
RH % (24h trend) 100 (+19) 79 (+20) 95 68
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 6
Precip Amount 0.19 0.20 0.00 0.00
Precip Duration 4 4
Precip Begin 10 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 680 820
Mixing Hgt(ft-agl/msl) 2240 2700
Transport Wnd (mph) NW 13 SW 14
Vent Rate (kt-ft) 39380 32400
Category Day 3 3
Inversion 6pm 34F/10am 5pm 25F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 16 Gen Poor 9 Poor 28 Fair
Max ADI Late 3 Very Poor 31 Fair 4 Very Poor 40 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 6 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-020930-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 25 (0) 36 (+1) 21 34
RH % (24h trend) 100 (+18) 77 (+21) 99 67
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 SW 6
Wind 20ft/late(mph) SE 5 NW 7 Lgt/Var SW 8
Precip Amount 0.15 0.22 0.00 0.00
Precip Duration 3 4
Precip Begin 10 PM Continuing
Precip End Continuing 3 PM
Mixing Hgt(m-agl/msl) 670 830
Mixing Hgt(ft-agl/msl) 2190 2710
Transport Wnd (mph) W 14 SW 14
Vent Rate (kt-ft) 39150 32520
Category Day 3 3
Inversion 6pm 34F/10am 6pm 24F/4am
Dispersion 5 3
Max ADI Early 7 Poor 11 Poor 11 Poor 30 Fair
Max ADI Late 7 Poor 26 Fair 5 Very Poor 35 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 6 5 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-020930-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow/Fz Ra None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 25 (0) 37 (+4) 22 34
RH % (24h trend) 93 (+5) 71 (+18) 92 59
Wind 20ft/early(mph) SE 5 G18 Lgt/Var NW 6 W 5
Wind 20ft/late(mph) SE 7 G19 NW 6 Lgt/Var SW 6
Precip Amount 0.13 0.25 0.00 0.00
Precip Duration 3 5
Precip Begin 11 PM Continuing
Precip End Continuing 5 PM
Mixing Hgt(m-agl/msl) 650 860
Mixing Hgt(ft-agl/msl) 2120 2830
Transport Wnd (mph) W 15 SW 13
Vent Rate (kt-ft) 38870 31130
Category Day 3 3
Inversion 6pm 34F/11am 5pm 25F/4am
Dispersion 5 3
Max ADI Early 12 Poor 13 Gen Poor 13 Gen Poor 27 Fair
Max ADI Late 13 Gen Poor 28 Fair 7 Poor 36 Fair
Max LVORI Early 3 5 5 4
Max LVORI Late 4 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-020930-
Fayette-
Including the city of Uniontown
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+1) 37 (+1) 22 35
RH % (24h trend) 100 (+19) 76 (+18) 94 67
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 6
Precip Amount 0.17 0.23 0.00 0.00
Precip Duration 3 5
Precip Begin 10 PM Continuing
Precip End Continuing 3 PM
Mixing Hgt(m-agl/msl) 640 870
Mixing Hgt(ft-agl/msl) 2110 2850
Transport Wnd (mph) W 14 SW 14
Vent Rate (kt-ft) 38710 34200
Category Day 2 3
Inversion 6pm 35F/11am 5pm 24F/7am
Dispersion 5 3
Max ADI Early 6 Very Poor 11 Poor 9 Poor 28 Fair
Max ADI Late 6 Very Poor 26 Fair 4 Very Poor 40 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 6 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-020930-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Fz Ra Snow/Fz Ra None
Chance Precip (%) 90 90 20 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 25 (+2) 36 (+3) 21 34
RH % (24h trend) 100 (+10) 74 (+18) 96 63
Wind 20ft/early(mph) SE 5 Lgt/Var NW 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var SW 5
Precip Amount 0.17 0.29 0.00 0.00
Precip Duration 3 5 1
Precip Begin 11 PM Continuing Continuing
Precip End Continuing Continuing 1 AM
Mixing Hgt(m-agl/msl) 560 800
Mixing Hgt(ft-agl/msl) 1840 2640
Transport Wnd (mph) NW 16 SW 13
Vent Rate (kt-ft) 36200 29040
Category Day 2 3
Inversion 6pm 34F/11am 5pm 24F/8am
Dispersion 5 3
Max ADI Early 11 Poor 12 Poor 12 Poor 24 Fair
Max ADI Late 10 Poor 27 Fair 7 Poor 33 Fair
Max LVORI Early 3 8 5 5
Max LVORI Late 6 5 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-020930-
Indiana-
Including the city of Indiana
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 24 (-1) 36 (+3) 20 33
RH % (24h trend) 98 (+13) 74 (+19) 95 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 W 6
Wind 20ft/late(mph) SE 7 G17 NW 6 Lgt/Var SW 7
Precip Amount 0.13 0.23 0.00 0.00
Precip Duration 3 4
Precip Begin 11 PM Continuing
Precip End Continuing 3 PM
Mixing Hgt(m-agl/msl) 630 830
Mixing Hgt(ft-agl/msl) 2070 2710
Transport Wnd (mph) NW 13 SW 14
Vent Rate (kt-ft) 34650 32520
Category Day 2 3
Inversion 6pm 33F/10am 5pm 23F/5am
Dispersion 5 3
Max ADI Early 11 Poor 13 Gen Poor 9 Poor 31 Fair
Max ADI Late 15 Gen Poor 25 Fair 6 Very Poor 42 Gen Good
Max LVORI Early 3 7 5 5
Max LVORI Late 5 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-020930-
Higher Elevations of Indiana-
Including the city of Armagh
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 25 (0) 35 (+2) 22 33
RH % (24h trend) 94 (+9) 72 (+18) 91 64
Wind 20ft/early(mph) SE 5 Lgt/Var NW 6 W 5
Wind 20ft/late(mph) SE 8 G18 W 6 Lgt/Var SW 6
Precip Amount 0.12 0.24 0.00 0.00
Precip Duration 3 5
Precip Begin 11 PM Continuing
Precip End Continuing 5 PM
Mixing Hgt(m-agl/msl) 580 820
Mixing Hgt(ft-agl/msl) 1910 2700
Transport Wnd (mph) NW 14 SW 14
Vent Rate (kt-ft) 37060 32400
Category Day 2 3
Inversion 6pm 34F/11am 5pm 24F/5am
Dispersion 5 3
Max ADI Early 14 Gen Poor 15 Gen Poor 13 Gen Poor 31 Fair
Max ADI Late 16 Gen Poor 28 Fair 8 Poor 41 Gen Good
Max LVORI Early 3 5 5 5
Max LVORI Late 4 4 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-020930-
Hancock-
Including the city of Weirton
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+2) 35 (+1) 21 34
RH % (24h trend) 99 (+17) 73 (+24) 90 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.16 0.13 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 840 840
Mixing Hgt(ft-agl/msl) 2750 2750
Transport Wnd (mph) NW 12 SW 16
Vent Rate (kt-ft) 45530 38500
Category Day 3 3
Inversion 6pm 30F/9am 5pm 22F/7am
Dispersion 5 3
Max ADI Early 5 Very Poor 18 Gen Poor 8 Poor 35 Fair
Max ADI Late 5 Very Poor 31 Fair 4 Very Poor 40 Fair
Max LVORI Early 3 9 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-020930-
Brooke-
Including the cities of Follansbee and Wellsburg
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Pcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+1) 36 (+1) 21 34
RH % (24h trend) 99 (+19) 70 (+17) 89 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.18 0.15 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 810 840
Mixing Hgt(ft-agl/msl) 2660 2760
Transport Wnd (mph) NW 12 SW 15
Vent Rate (kt-ft) 44410 35880
Category Day 3 3
Inversion 6pm 30F/5am 6pm 23F/7am
Dispersion 5 3
Max ADI Early 5 Very Poor 16 Gen Poor 8 Poor 32 Fair
Max ADI Late 4 Very Poor 32 Fair 4 Very Poor 45 Gen Good
Max LVORI Early 3 9 5 5
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-020930-
Ohio-
Including the city of Wheeling
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 28 (+2) 35 (0) 21 34
RH % (24h trend) 100 (+20) 72 (+18) 92 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 8
Precip Amount 0.20 0.16 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 760 810
Mixing Hgt(ft-agl/msl) 2500 2670
Transport Wnd (mph) NW 15 SW 15
Vent Rate (kt-ft) 41450 34710
Category Day 3 3
Inversion 6pm 33F/10am 5pm 25F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 19 Gen Poor 8 Poor 31 Fair
Max ADI Late 4 Very Poor 32 Fair 5 Very Poor 43 Gen Good
Max LVORI Early 3 9 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-020930-
Marshall-
Including the city of Moundsville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 28 (+1) 37 (+1) 22 36
RH % (24h trend) 100 (+18) 75 (+18) 92 65
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 6
Precip Amount 0.21 0.17 0.00 0.00
Precip Duration 4 3
Precip Begin 10 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 760 850
Mixing Hgt(ft-agl/msl) 2490 2800
Transport Wnd (mph) NW 15 SW 14
Vent Rate (kt-ft) 47060 33600
Category Day 3 3
Inversion 6pm 34F/10am 5pm 25F/8am
Dispersion 5 3
Max ADI Early 6 Very Poor 18 Gen Poor 8 Poor 29 Fair
Max ADI Late 3 Very Poor 31 Fair 4 Very Poor 42 Gen Good
Max LVORI Early 3 9 6 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-020930-
Wetzel-
Including the city of New Martinsville
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow None None
Chance Precip (%) 90 80 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 28 (+2) 35 (0) 23 34
RH % (24h trend) 100 (+20) 79 (+19) 92 68
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 5
Precip Amount 0.24 0.20 0.00 0.00
Precip Duration 4 3
Precip Begin 9 PM Continuing
Precip End Continuing 2 PM
Mixing Hgt(m-agl/msl) 720 840
Mixing Hgt(ft-agl/msl) 2350 2740
Transport Wnd (mph) NW 14 SW 13
Vent Rate (kt-ft) 41290 30140
Category Day 3 3
Inversion 6pm 34F/10am 5pm 24F/7am
Dispersion 5 3
Max ADI Early 5 Very Poor 16 Gen Poor 8 Poor 27 Fair
Max ADI Late 3 Very Poor 28 Fair 4 Very Poor 37 Fair
Max LVORI Early 3 9 6 5
Max LVORI Late 6 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-020930-
Marion-
Including the city of Fairmont
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Rain None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+2) 36 (+1) 22 35
RH % (24h trend) 100 (+19) 80 (+20) 95 69
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 5
Precip Amount 0.21 0.24 0.00 0.00
Precip Duration 4 4
Precip Begin 10 PM Continuing
Precip End Continuing 3 PM
Mixing Hgt(m-agl/msl) 680 830
Mixing Hgt(ft-agl/msl) 2230 2730
Transport Wnd (mph) NW 14 SW 12
Vent Rate (kt-ft) 30810 27300
Category Day 3 3
Inversion 6pm 35F/11am 5pm 24F/7am
Dispersion 5 3
Max ADI Early 6 Very Poor 14 Gen Poor 8 Poor 25 Fair
Max ADI Late 3 Very Poor 29 Fair 4 Very Poor 34 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 8 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-020930-
Monongalia-
Including the city of Morgantown
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow/Rain None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+1) 36 (0) 22 34
RH % (24h trend) 100 (+20) 76 (+17) 94 68
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 5
Precip Amount 0.19 0.24 0.00 0.00
Precip Duration 4 4
Precip Begin 10 PM Continuing
Precip End Continuing 3 PM
Mixing Hgt(m-agl/msl) 670 850
Mixing Hgt(ft-agl/msl) 2210 2800
Transport Wnd (mph) NW 15 SW 13
Vent Rate (kt-ft) 29400 30800
Category Day 3 3
Inversion 6pm 35F/11am 5pm 26F/8am
Dispersion 5 3
Max ADI Early 5 Very Poor 14 Gen Poor 9 Poor 27 Fair
Max ADI Late 4 Very Poor 28 Fair 4 Very Poor 36 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 7 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-020930-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow Snow/Rain None None
Chance Precip (%) 90 90 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (+3) 35 (+1) 21 32
RH % (24h trend) 100 (+10) 74 (+17) 96 68
Wind 20ft/early(mph) Lgt/Var Lgt/Var NW 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var SW 5
Precip Amount 0.19 0.33 0.00 0.00
Precip Duration 3 5
Precip Begin 11 PM Continuing
Precip End Continuing 4 PM
Mixing Hgt(m-agl/msl) 500 750
Mixing Hgt(ft-agl/msl) 1650 2450
Transport Wnd (mph) NW 16 SW 12
Vent Rate (kt-ft) 22250 24500
Category Day 2 2
Inversion 6pm 33F/12pm 5pm 24F/8am
Dispersion 5 2
Max ADI Early 8 Poor 12 Poor 11 Poor 23 Fair
Max ADI Late 6 Very Poor 25 Fair 7 Poor 31 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 7 5 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-020930-
Preston-
Including the cities of Kingwood and Bruceton Mills
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Rain Frz Rain None
Chance Precip (%) 90 90 10 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+2) 36 (+1) 21 34
RH % (24h trend) 100 (+10) 76 (+20) 97 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var Lgt/Var
Precip Amount 0.18 0.30 0.00 0.00
Precip Duration 3 5 0
Precip Begin 11 PM Continuing 7 PM
Precip End Continuing 6 PM 10 PM
Mixing Hgt(m-agl/msl) 600 820
Mixing Hgt(ft-agl/msl) 1980 2700
Transport Wnd (mph) NW 16 SW 12
Vent Rate (kt-ft) 39280 27000
Category Day 3 3
Inversion 6pm 35F/11am 6pm 24F/4am
Dispersion 5 3
Max ADI Early 8 Poor 15 Gen Poor 12 Poor 24 Fair
Max ADI Late 5 Very Poor 29 Fair 6 Very Poor 31 Fair
Max LVORI Early 3 9 6 6
Max LVORI Late 7 5 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-020930-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Fz Ra Frz Rain None
Chance Precip (%) 90 90 20 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+4) 37 (+3) 20 33
RH % (24h trend) 100 (+5) 76 (+19) 98 65
Wind 20ft/early(mph) SE 6 Lgt/Var NW 7 G17 Lgt/Var
Wind 20ft/late(mph) SE 5 W 7 Lgt/Var Lgt/Var
Precip Amount 0.17 0.34 0.01 0.00
Precip Duration 3 5 0
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 7 PM
Mixing Hgt(m-agl/msl) 540 670
Mixing Hgt(ft-agl/msl) 1760 2190
Transport Wnd (mph) NW 18 SW 12
Vent Rate (kt-ft) 42700 21900
Category Day 3 2
Inversion 6pm 34F/11am 6pm 24F/9am
Dispersion 5 2
Max ADI Early 11 Poor 16 Gen Poor 17 Gen Poor 21 Fair
Max ADI Late 9 Poor 30 Fair 11 Poor 25 Fair
Max LVORI Early 3 8 5 5
Max LVORI Late 6 5 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-020930-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Fz Ra Frz Rain None
Chance Precip (%) 90 100 20 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 26 (+4) 38 (+2) 20 36
RH % (24h trend) 100 (+10) 75 (+26) 94 56
Wind 20ft/early(mph) SE 5 Lgt/Var NW 6 G18 Lgt/Var
Wind 20ft/late(mph) Lgt/Var W 7 Lgt/Var Lgt/Var
Precip Amount 0.16 0.31 0.01 0.00
Precip Duration 3 6 0
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 7 PM
Mixing Hgt(m-agl/msl) 620 750
Mixing Hgt(ft-agl/msl) 2050 2440
Transport Wnd (mph) NW 18 SW 9
Vent Rate (kt-ft) 48200 19520
Category Day 3 2
Inversion 6pm 35F/10am 7pm 23F/8am
Dispersion 5 2
Max ADI Early 10 Poor 16 Gen Poor 16 Gen Poor 23 Fair
Max ADI Late 9 Poor 31 Fair 8 Poor 25 Fair
Max LVORI Early 3 8 5 5
Max LVORI Late 6 4 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-020930-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
131 PM EST Mon Dec 1 2025
Tonight Tue Tue Night Wed
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Precip Type Snow/Fz Ra Snow/Fz Ra Frz Rain None
Chance Precip (%) 90 90 20 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (+3) 36 (+4) 16 33
RH % (24h trend) 100 (+3) 77 (+22) 100 61
Wind 20ft/early(mph) SE 7 G19 SW 5 G18 NW 9 G25 Lgt/Var
Wind 20ft/late(mph) S 7 G20 W 8 G23 W 5 G20 Lgt/Var
Precip Amount 0.19 0.34 0.01 0.00
Precip Duration 3 5 0
Precip Begin 1 AM Continuing Continuing
Precip End Continuing Continuing 7 PM
Mixing Hgt(m-agl/msl) 560 650
Mixing Hgt(ft-agl/msl) 1830 2130
Transport Wnd (mph) NW 24 SW 10
Vent Rate (kt-ft) 57710 19170
Category Day 3 2
Inversion 6pm 34F/11am 4pm 22F/9am
Dispersion 5 2
Max ADI Early 14 Gen Poor 19 Gen Poor 25 Fair 20 Gen Poor
Max ADI Late 13 Gen Poor 38 Fair 16 Gen Poor 22 Fair
Max LVORI Early 3 5 5 5
Max LVORI Late 5 5 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy with a chance of snow. Lows in the mid
20s. Highs around 30. Southwest winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows around 9. Highs in the lower 30s.
South winds 10 to 15 mph.
.SATURDAY...Mostly cloudy with a chance of freezing rain. Lows in
the lower 20s. Highs in the mid 30s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of snow and rain. Lows in
the mid 20s. Highs in the mid 30s. West winds 5 to 10 mph.
.MONDAY...Mostly cloudy. A chance of snow. Lows around 18. Highs
around 30. Northwest winds 5 to 10 mph.
$$