Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
058
FNUS51 KPBZ 041655
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1155 AM EST Thu Dec 4 2025
.DISCUSSION...
A cold front has moved through just about the entire area. Expect
much colder air to filter in behind this cold front. Snow showers
will end by this evening. Another disturbance will pass by to the
south for tomorrow. This will bring a few instances of snow in the
southern portion of the forecast area. No fire weather concerns
are expected.
OHZ039-050915-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1155 AM 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 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) 660 700
Mixing Hgt(ft-agl/msl) 2170 2290
Transport Wnd (mph) SW 10 SW 17
Vent Rate (kt-ft) 21850 7730
Category Day 2 3
Inversion 6pm 25F/11am 5pm 24F/7am
Dispersion 5 3
Max ADI Early 3 Very Poor 19 Gen Poor 5 Very Poor 30 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.
$$
OHZ040-050915-
Carroll-
Including the cities of Carrollton and Malvern
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+3) 18 35
RH % (24h trend) 90 (-1) 65 (+6) 99 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5 SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 630 680
Mixing Hgt(ft-agl/msl) 2080 2230
Transport Wnd (mph) SW 12 SW 17
Vent Rate (kt-ft) 20040 8120
Category Day 2 3
Inversion 6pm 25F/11am 4pm 24F/7am
Dispersion 5 4
Max ADI Early 3 Very Poor 17 Gen Poor 8 Poor 34 Fair
Max ADI Late 4 Very Poor 28 Fair 10 Poor 36 Fair
Max LVORI Early 6 5 6 5
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-050915-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1155 AM 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 (+5) 98 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
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) 700 680
Mixing Hgt(ft-agl/msl) 2290 2240
Transport Wnd (mph) SW 13 SW 17
Vent Rate (kt-ft) 28790 8650
Category Day 3 3
Inversion 6pm 24F/11am 4pm 26F/8am
Dispersion 5 4
Max ADI Early 4 Very Poor 15 Gen Poor 8 Poor 35 Fair
Max ADI Late 4 Very Poor 26 Fair 9 Poor 38 Fair
Max LVORI Early 6 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.
$$
OHZ048-050915-
Coshocton-
Including the city of Coshocton
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 32 (+3) 18 35
RH % (24h trend) 93 (-6) 65 (+9) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 690
Mixing Hgt(ft-agl/msl) 2140 2250
Transport Wnd (mph) SW 10 SW 17
Vent Rate (kt-ft) 21920 7250
Category Day 2 3
Inversion 6pm 25F/11am 5pm 22F/4am
Dispersion 5 3
Max ADI Early 4 Very Poor 19 Gen Poor 5 Very Poor 27 Fair
Max ADI Late 3 Very Poor 24 Fair 7 Poor 31 Fair
Max LVORI Early 6 6 8 6
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-050915-
Harrison-
Including the city of Cadiz
1155 AM 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 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) 690 720
Mixing Hgt(ft-agl/msl) 2270 2350
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 21060 6110
Category Day 2 3
Inversion 6pm 27F/11am 5pm 27F/8am
Dispersion 5 3
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.
$$
OHZ050-050915-
Jefferson OH-
Including the city of Steubenville
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-15) 34 (+4) 19 36
RH % (24h trend) 87 (-4) 65 (+10) 96 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 720 670
Mixing Hgt(ft-agl/msl) 2350 2210
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 25330 7830
Category Day 2 3
Inversion 6pm 26F/11am 5pm 27F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 14 Gen Poor 6 Very Poor 31 Fair
Max ADI Late 4 Very Poor 20 Gen Poor 8 Poor 36 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-050915-
Muskingum-
Including the city of Zanesville
1155 AM 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) 610 680
Mixing Hgt(ft-agl/msl) 2000 2230
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 20690 6180
Category Day 2 3
Inversion 6pm 23F/10am 5pm 22F/4am
Dispersion 5 3
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 6 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.
$$
OHZ058-050915-
Guernsey-
Including the city of Cambridge
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-12) 34 (+3) 18 37
RH % (24h trend) 89 (-6) 64 (+9) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 700
Mixing Hgt(ft-agl/msl) 2150 2300
Transport Wnd (mph) SW 9 SW 16
Vent Rate (kt-ft) 18510 5350
Category Day 2 3
Inversion 6pm 24F/10am 6pm 28F/9am
Dispersion 5 3
Max ADI Early 4 Very Poor 18 Gen Poor 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 20 Gen Poor 7 Poor 30 Fair
Max LVORI Early 6 5 8 6
Max LVORI Late 6 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-050915-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1155 AM 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 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) 630 640
Mixing Hgt(ft-agl/msl) 2070 2100
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 25410 6830
Category Day 2 3
Inversion 6pm 28F/11am 4pm 29F/9am
Dispersion 5 3
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 29 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 9 Poor 32 Fair
Max LVORI Early 5 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.
$$
OHZ068-050915-
Noble-
Including the city of Caldwell
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-9) 36 (+3) 19 38
RH % (24h trend) 88 (-3) 67 (+9) 100 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 640 700
Mixing Hgt(ft-agl/msl) 2110 2290
Transport Wnd (mph) SW 10 SW 16
Vent Rate (kt-ft) 17370 4690
Category Day 2 3
Inversion 11pm 26F/10am 6pm 29F/9am
Dispersion 5 3
Max ADI Early 4 Very Poor 12 Poor 4 Very Poor 27 Fair
Max ADI Late 4 Very Poor 21 Fair 5 Very Poor 30 Fair
Max LVORI Early 5 5 9 6
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-050915-
Monroe-
Including the city of Woodsfield
1155 AM 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 SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 650 640
Mixing Hgt(ft-agl/msl) 2130 2100
Transport Wnd (mph) SW 9 SW 15
Vent Rate (kt-ft) 16130 6020
Category Day 2 3
Inversion 8pm 26F/10am 6pm 30F/9am
Dispersion 5 3
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 30 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.
$$
PAZ007-050915-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 6 (-15) 29 (+1) 16 34
RH % (24h trend) 95 (-2) 67 (+4) 100 82
Wind 20ft/early(mph) Lgt/Var SE 5 Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var S 5 S 5 SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 610 640
Mixing Hgt(ft-agl/msl) 1990 2090
Transport Wnd (mph) SW 14 SW 17
Vent Rate (kt-ft) 28960 9350
Category Day 2 3
Inversion 6pm 23F/11am 4pm 23F/7am
Dispersion 5 4
Max ADI Early 4 Very Poor 20 Gen Poor 8 Poor 32 Fair
Max ADI Late 4 Very Poor 29 Fair 11 Poor 40 Fair
Max LVORI Early 7 5 7 5
Max LVORI Late 7 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-050915-
Venango-
Including the cities of Oil City and Franklin
1155 AM 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 SE 5 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 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 770 730
Mixing Hgt(ft-agl/msl) 2540 2410
Transport Wnd (mph) SW 15 SW 17
Vent Rate (kt-ft) 32570 8310
Category Day 3 3
Inversion 6pm 19F/10am 6pm 22F/7am
Dispersion 5 4
Max ADI Early 5 Very Poor 24 Fair 7 Poor 32 Fair
Max ADI Late 4 Very Poor 32 Fair 9 Poor 41 Gen Good
Max LVORI Early 7 5 8 5
Max LVORI Late 7 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-050915-
Forest-
Including the city of Tionesta
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 6 (-15) 30 (+2) 17 34
RH % (24h trend) 93 (0) 61 (+1) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var S 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 790 750
Mixing Hgt(ft-agl/msl) 2590 2470
Transport Wnd (mph) S 16 SW 18
Vent Rate (kt-ft) 31730 14040
Category Day 3 3
Inversion 7pm 19F/10am 7pm 22F/7am
Dispersion 5 4
Max ADI Early 7 Poor 29 Fair 6 Very Poor 37 Fair
Max ADI Late 4 Very Poor 36 Fair 10 Poor 44 Gen Good
Max LVORI Early 7 5 8 5
Max LVORI Late 7 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-050915-
Lawrence-
Including the cities of New Castle and Ellwood City
1155 AM 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 (+4) 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 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 660 650
Mixing Hgt(ft-agl/msl) 2180 2140
Transport Wnd (mph) SW 13 SW 17
Vent Rate (kt-ft) 27360 8450
Category Day 2 3
Inversion 6pm 20F/10am 4pm 25F/8am
Dispersion 5 4
Max ADI Early 4 Very Poor 15 Gen Poor 5 Very Poor 33 Fair
Max ADI Late 4 Very Poor 30 Fair 8 Poor 37 Fair
Max LVORI Early 6 5 8 5
Max LVORI Late 7 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-050915-
Butler-
Including the city of Butler
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None Snow
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-15) 32 (+2) 17 36
RH % (24h trend) 95 (-3) 71 (+8) 100 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 630 710
Mixing Hgt(ft-agl/msl) 2060 2320
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 25730 9280
Category Day 2 3
Inversion 6pm 21F/10am 5pm 25F/8am
Dispersion 5 4
Max ADI Early 4 Very Poor 17 Gen Poor 5 Very Poor 32 Fair
Max ADI Late 4 Very Poor 20 Gen Poor 8 Poor 36 Fair
Max LVORI Early 7 5 9 5
Max LVORI Late 7 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-050915-
Clarion-
Including the city of Clarion
1155 AM 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 SE 5 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 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 720 760
Mixing Hgt(ft-agl/msl) 2360 2500
Transport Wnd (mph) S 14 SW 17
Vent Rate (kt-ft) 29840 14650
Category Day 3 3
Inversion 6pm 20F/10am 6pm 26F/9am
Dispersion 5 4
Max ADI Early 6 Very Poor 23 Fair 5 Very Poor 34 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 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-050915-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 7 (-16) 29 (0) 19 34
RH % (24h trend) 86 (-6) 66 (+7) 100 74
Wind 20ft/early(mph) Lgt/Var SE 6 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var S 5 Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 710 700
Mixing Hgt(ft-agl/msl) 2340 2300
Transport Wnd (mph) S 16 SW 18
Vent Rate (kt-ft) 39710 14140
Category Day 3 3
Inversion 6pm 20F/10am 6pm 27F/9am
Dispersion 5 4
Max ADI Early 6 Very Poor 23 Fair 5 Very Poor 34 Fair
Max ADI Late 4 Very Poor 22 Fair 8 Poor 39 Fair
Max LVORI Early 5 4 7 5
Max LVORI Late 5 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-050915-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1155 AM 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 (+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) 730 750
Mixing Hgt(ft-agl/msl) 2400 2460
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 24890 7700
Category Day 2 3
Inversion 6pm 21F/10am 5pm 26F/8am
Dispersion 5 3
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 6 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.
$$
PAZ021-050915-
Allegheny-
Including the city of Pittsburgh Metro Area
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-14) 34 (+3) 20 37
RH % (24h trend) 91 (+1) 75 (+11) 100 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 660 650
Mixing Hgt(ft-agl/msl) 2160 2120
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 27180 6910
Category Day 2 3
Inversion 6pm 23F/10am 6pm 29F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 13 Gen Poor 8 Poor 31 Fair
Max LVORI Early 5 5 9 5
Max LVORI Late 6 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-050915-
Armstrong-
Including the cities of Kittanning and Ford City
1155 AM 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 (+10) 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 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 670 690
Mixing Hgt(ft-agl/msl) 2200 2260
Transport Wnd (mph) SW 13 SW 16
Vent Rate (kt-ft) 30600 9220
Category Day 3 3
Inversion 6pm 22F/10am 5pm 28F/9am
Dispersion 5 4
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.
$$
PAZ029-050915-
Washington-
Including the cities of Washington and Canonsburg
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-13) 36 (+5) 21 37
RH % (24h trend) 88 (-2) 74 (+11) 100 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 670 590
Mixing Hgt(ft-agl/msl) 2190 1940
Transport Wnd (mph) SW 13 SW 15
Vent Rate (kt-ft) 34830 7590
Category Day 3 3
Inversion 6pm 28F/11am 4pm 30F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 10 Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 14 Gen Poor 9 Poor 31 Fair
Max LVORI Early 5 5 8 5
Max LVORI Late 6 4 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-050915-
Greene-
Including the city of Waynesburg
1155 AM 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 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) 710 630
Mixing Hgt(ft-agl/msl) 2330 2060
Transport Wnd (mph) SW 15 SW 16
Vent Rate (kt-ft) 34480 6970
Category Day 3 3
Inversion 6pm 30F/11am 6pm 31F/9am
Dispersion 5 3
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 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.
$$
PAZ073-050915-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 10 (-13) 35 (+3) 21 38
RH % (24h trend) 92 (0) 74 (+9) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 9 AM
Precip End 1 PM
Mixing Hgt(m-agl/msl) 600 590
Mixing Hgt(ft-agl/msl) 1960 1930
Transport Wnd (mph) SW 12 SW 15
Vent Rate (kt-ft) 27250 6680
Category Day 2 3
Inversion 6pm 26F/10am 5pm 31F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 13 Gen Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 13 Gen Poor 8 Poor 31 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-050915-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1155 AM 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 6 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
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) 580 710
Mixing Hgt(ft-agl/msl) 1910 2310
Transport Wnd (mph) SW 13 SW 16
Vent Rate (kt-ft) 21790 9050
Category Day 2 3
Inversion 6pm 23F/10am 4pm 31F/9am
Dispersion 5 4
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.
$$
PAZ075-050915-
Fayette-
Including the city of Uniontown
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Frz Drzl None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-12) 37 (+5) 23 39
RH % (24h trend) 89 (0) 76 (+7) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 11 AM
Mixing Hgt(m-agl/msl) 670 640
Mixing Hgt(ft-agl/msl) 2190 2090
Transport Wnd (mph) SW 13 SW 13
Vent Rate (kt-ft) 34470 7150
Category Day 3 2
Inversion 6pm 28F/10am 5pm 32F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 13 Gen Poor 5 Very Poor 31 Fair
Max ADI Late 4 Very Poor 14 Gen Poor 8 Poor 33 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 5 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-050915-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1155 AM 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 SE 5 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 12 PM
Mixing Hgt(m-agl/msl) 620 640
Mixing Hgt(ft-agl/msl) 2020 2090
Transport Wnd (mph) SW 14 W 15
Vent Rate (kt-ft) 26040 10520
Category Day 2 3
Inversion 6pm 27F/11am 4pm 31F/9am
Dispersion 5 4
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.
$$
PAZ077-050915-
Indiana-
Including the city of Indiana
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 8 (-15) 33 (+3) 21 37
RH % (24h trend) 89 (-3) 72 (+10) 100 75
Wind 20ft/early(mph) Lgt/Var SE 6 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var S 5 Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 610 610
Mixing Hgt(ft-agl/msl) 2000 2000
Transport Wnd (mph) S 13 SW 16
Vent Rate (kt-ft) 28960 10760
Category Day 2 3
Inversion 6pm 23F/10am 5pm 29F/9am
Dispersion 5 4
Max ADI Early 5 Very Poor 18 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 17 Gen Poor 8 Poor 33 Fair
Max LVORI Early 5 4 8 5
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-050915-
Higher Elevations of Indiana-
Including the city of Armagh
1155 AM 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 7 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var S 5 Lgt/Var W 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 520 600
Mixing Hgt(ft-agl/msl) 1720 1960
Transport Wnd (mph) S 13 SW 16
Vent Rate (kt-ft) 18070 7970
Category Day 2 3
Inversion 6pm 22F/10am 5pm 30F/9am
Dispersion 5 3
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.
$$
WVZ001-050915-
Hancock-
Including the city of Weirton
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 9 (-15) 33 (+3) 20 36
RH % (24h trend) 89 (-1) 66 (+9) 94 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 770 760
Mixing Hgt(ft-agl/msl) 2530 2510
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 24180 8690
Category Day 2 3
Inversion 6pm 21F/10am 6pm 24F/6am
Dispersion 5 4
Max ADI Early 4 Very Poor 15 Gen Poor 5 Very Poor 32 Fair
Max ADI Late 4 Very Poor 22 Fair 8 Poor 36 Fair
Max LVORI Early 5 4 6 5
Max LVORI Late 6 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-050915-
Brooke-
Including the cities of Follansbee and Wellsburg
1155 AM 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 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) 730 650
Mixing Hgt(ft-agl/msl) 2390 2150
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 26140 7260
Category Day 2 3
Inversion 6pm 23F/10am 6pm 28F/8am
Dispersion 5 3
Max ADI Early 4 Very Poor 11 Poor 5 Very Poor 32 Fair
Max ADI Late 4 Very Poor 18 Gen Poor 8 Poor 35 Fair
Max LVORI Early 5 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.
$$
WVZ003-050915-
Ohio-
Including the city of Wheeling
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 11 (-14) 35 (+4) 21 37
RH % (24h trend) 86 (-3) 71 (+12) 96 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 710 610
Mixing Hgt(ft-agl/msl) 2340 1990
Transport Wnd (mph) SW 13 SW 16
Vent Rate (kt-ft) 30680 6840
Category Day 3 3
Inversion 6pm 28F/11am 5pm 30F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 30 Fair
Max ADI Late 5 Very Poor 14 Gen Poor 8 Poor 33 Fair
Max LVORI Early 5 5 6 5
Max LVORI Late 5 4 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-050915-
Marshall-
Including the city of Moundsville
1155 AM 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 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 730 650
Mixing Hgt(ft-agl/msl) 2380 2130
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 27040 7060
Category Day 2 3
Inversion 6pm 26F/10am 7pm 30F/9am
Dispersion 5 3
Max ADI Early 5 Very Poor 11 Poor 5 Very Poor 29 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.
$$
WVZ012-050915-
Wetzel-
Including the city of New Martinsville
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Pcldy Mcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 15 (-8) 36 (+4) 23 38
RH % (24h trend) 90 (-2) 77 (+9) 100 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 660 650
Mixing Hgt(ft-agl/msl) 2180 2130
Transport Wnd (mph) SW 12 SW 16
Vent Rate (kt-ft) 24140 5560
Category Day 2 3
Inversion 6pm 31F/11am 6pm 33F/10am
Dispersion 5 3
Max ADI Early 4 Very Poor 10 Poor 5 Very Poor 28 Fair
Max ADI Late 5 Very Poor 16 Gen Poor 5 Very Poor 31 Fair
Max LVORI Early 5 6 9 5
Max LVORI Late 5 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-050915-
Marion-
Including the city of Fairmont
1155 AM 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 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 9 AM
Mixing Hgt(m-agl/msl) 720 630
Mixing Hgt(ft-agl/msl) 2360 2070
Transport Wnd (mph) SW 13 SW 15
Vent Rate (kt-ft) 27170 5790
Category Day 3 3
Inversion 6pm 29F/10am 6pm 32F/9am
Dispersion 5 3
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.
$$
WVZ509-050915-
Monongalia-
Including the city of Morgantown
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None Flurries None None
Chance Precip (%) 0 10 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-10) 37 (+6) 24 39
RH % (24h trend) 91 (+1) 78 (+8) 100 75
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End 10 AM
Mixing Hgt(m-agl/msl) 740 630
Mixing Hgt(ft-agl/msl) 2430 2070
Transport Wnd (mph) SW 13 SW 15
Vent Rate (kt-ft) 28530 7320
Category Day 3 3
Inversion 6pm 29F/10am 6pm 32F/9am
Dispersion 5 3
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 30 Fair
Max ADI Late 3 Very Poor 19 Gen Poor 8 Poor 34 Fair
Max LVORI Early 6 5 9 6
Max LVORI Late 6 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-050915-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1155 AM 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 6
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) 640 530
Mixing Hgt(ft-agl/msl) 2090 1740
Transport Wnd (mph) SW 15 SW 15
Vent Rate (kt-ft) 29330 6370
Category Day 3 2
Inversion 6pm 30F/11am 5pm 33F/10am
Dispersion 5 3
Max ADI Early 4 Very Poor 13 Gen Poor 5 Very Poor 26 Fair
Max ADI Late 5 Very Poor 18 Gen Poor 8 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.
$$
WVZ511-050915-
Preston-
Including the cities of Kingwood and Bruceton Mills
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow None None
Chance Precip (%) 20 20 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 13 (-9) 36 (+7) 26 38
RH % (24h trend) 93 (0) 75 (+1) 100 71
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 2 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 730 680
Mixing Hgt(ft-agl/msl) 2390 2230
Transport Wnd (mph) SW 14 SW 15
Vent Rate (kt-ft) 40250 11100
Category Day 3 3
Inversion 6pm 28F/10am 6pm 32F/9am
Dispersion 5 4
Max ADI Early 4 Very Poor 17 Gen Poor 5 Very Poor 31 Fair
Max ADI Late 5 Very Poor 21 Fair 5 Very Poor 34 Fair
Max LVORI Early 6 5 9 5
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-050915-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1155 AM 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 SE 5 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 640 670
Mixing Hgt(ft-agl/msl) 2090 2190
Transport Wnd (mph) SW 14 W 16
Vent Rate (kt-ft) 32960 10120
Category Day 2 3
Inversion 6pm 26F/10am 5pm 31F/9am
Dispersion 5 4
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.
$$
WVZ513-050915-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1155 AM EST Thu Dec 4 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type Snow Snow/Fz Ra None None
Chance Precip (%) 60 40 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 16 (-5) 38 (+9) 26 40
RH % (24h trend) 91 (-7) 68 (-5) 100 61
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 1 AM Continuing
Precip End Continuing 12 PM
Mixing Hgt(m-agl/msl) 690 790
Mixing Hgt(ft-agl/msl) 2280 2590
Transport Wnd (mph) SW 12 W 16
Vent Rate (kt-ft) 29630 12770
Category Day 2 3
Inversion 6pm 26F/9am 5pm 32F/9am
Dispersion 5 4
Max ADI Early 4 Very Poor 21 Fair 5 Very Poor 31 Fair
Max ADI Late 5 Very Poor 20 Gen Poor 5 Very Poor 40 Fair
Max LVORI Early 6 5 9 6
Max LVORI Late 6 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-050915-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1155 AM 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 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7 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) 560 710
Mixing Hgt(ft-agl/msl) 1850 2330
Transport Wnd (mph) SW 14 W 17
Vent Rate (kt-ft) 34000 14350
Category Day 2 3
Inversion 6pm 24F/10am 4pm 30F/9am
Dispersion 5 4
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 7 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.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy with a chance of snow and rain. Lows in
the mid 20s. Highs in the mid 30s. Light winds.
.MONDAY...Mostly cloudy. A chance of snow and rain. Lows around
18. Highs in the upper 20s. North winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. A chance of snow. Lows around 12. Highs
in the mid 30s. Southwest winds 10 to 15 mph.
.WEDNESDAY...Cloudy with rain likely and a chance of snow. Lows
in the mid 20s. Highs in the upper 30s. Southwest winds 10 to
15 mph.
.THURSDAY...Cloudy with snow and rain likely. Lows in the mid
20s. West winds 15 to 20 mph.
$$
Shallenberger