Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
833
FNUS51 KPBZ 200518
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1218 AM EST Thu Nov 20 2025
.DISCUSSION...
Dry weather continues today with high pressure in control. Winds
will remain light. MinRH values will hold above 50% through the
weekend. Passing low pressure returns areawide rainfall chances on
Friday with highest amounts south of Pittsburgh.
OHZ039-202130-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+1) 38 (+4) 53
RH % (24h trend) 70 (+7) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14
Precip Duration 1 2
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 600 400
Mixing Hgt(ft-agl/msl)1980 1320
Transport Wnd (mph) S 5 SW 7
Vent Rate (kt-ft) 10620 11340
Category Day 1 1
Inversion 44F/11am 5pm 48F/11am
Dispersion 4 4
Max ADI Early 5 Very Poor 3 Very Poor 11 Poor
Max ADI Late 11 Poor 4 Very Poor 11 Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-202130-
Carroll-
Including the cities of Carrollton and Malvern
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+1) 38 (+5) 52
RH % (24h trend) 71 (+8) 100 (0) 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.12
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 610 410
Mixing Hgt(ft-agl/msl)2010 1350
Transport Wnd (mph) S 5 SW 9
Vent Rate (kt-ft) 10500 12290
Category Day 1 1
Inversion 43F/11am 5pm 49F/12pm
Dispersion 4 4
Max ADI Early 6 Very Poor 3 Very Poor 11 Poor
Max ADI Late 11 Poor 4 Very Poor 13 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-202130-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+1) 37 (+5) 52
RH % (24h trend) 71 (+11) 100 (0) 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.09
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 590 450
Mixing Hgt(ft-agl/msl)1930 1490
Transport Wnd (mph) S 5 SW 9
Vent Rate (kt-ft) 10100 13990
Category Day 1 1
Inversion 42F/11am 5pm 48F/11am
Dispersion 4 4
Max ADI Early 6 Very Poor 3 Very Poor 12 Poor
Max ADI Late 10 Poor 4 Very Poor 16 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-202130-
Coshocton-
Including the city of Coshocton
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (0) 39 (+4) 53
RH % (24h trend) 72 (+10) 100 (0) 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.18
Precip Duration 1 2
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 610 370
Mixing Hgt(ft-agl/msl)2010 1200
Transport Wnd (mph) SW 5 SW 6
Vent Rate (kt-ft) 8600 8320
Category Day 1 1
Inversion 44F/11am 5pm 50F/12pm
Dispersion 4 4
Max ADI Early 6 Very Poor 3 Very Poor 8 Poor
Max ADI Late 11 Poor 3 Very Poor 8 Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-202130-
Harrison-
Including the city of Cadiz
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (0) 38 (+4) 54
RH % (24h trend) 70 (+5) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14
Precip Duration 0 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 570 370
Mixing Hgt(ft-agl/msl)1860 1220
Transport Wnd (mph) S 3 SW 8
Vent Rate (kt-ft) 8180 9360
Category Day 1 1
Inversion 44F/11am 5pm 48F/11am
Dispersion 4 4
Max ADI Early 4 Very Poor 3 Very Poor 10 Poor
Max ADI Late 8 Poor 3 Very Poor 11 Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-202130-
Jefferson OH-
Including the city of Steubenville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (0) 38 (+4) 54
RH % (24h trend) 70 (+5) 100 (+1) 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.13
Precip Duration 0 2
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 540 410
Mixing Hgt(ft-agl/msl)1780 1340
Transport Wnd (mph) S 3 SW 8
Vent Rate (kt-ft) 7360 12180
Category Day 1 1
Inversion 43F/11am 5pm 50F/12pm
Dispersion 3 4
Max ADI Early 5 Very Poor 3 Very Poor 9 Poor
Max ADI Late 7 Poor 3 Very Poor 11 Poor
Max LVORI Early 8 8 9
Max LVORI Late 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-202130-
Muskingum-
Including the city of Zanesville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 51 (+1) 39 (+2) 54
RH % (24h trend) 73 (+11) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.19
Precip Duration 1 5
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 610 320
Mixing Hgt(ft-agl/msl)2010 1050
Transport Wnd (mph) SW 3 SW 6
Vent Rate (kt-ft) 8600 6150
Category Day 1 1
Inversion 45F/11am 5pm Continuing
Dispersion 4 3
Max ADI Early 5 Very Poor 3 Very Poor 5 Very Poor
Max ADI Late 8 Poor 3 Very Poor 6 Very Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-202130-
Guernsey-
Including the city of Cambridge
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 51 (0) 38 (+3) 55
RH % (24h trend) 71 (+5) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.17
Precip Duration 1 5
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 550 330
Mixing Hgt(ft-agl/msl)1820 1090
Transport Wnd (mph) SW 3 SW 6
Vent Rate (kt-ft) 6140 5900
Category Day 1 1
Inversion 45F/11am 5pm 53F/1pm
Dispersion 3 3
Max ADI Early 5 Very Poor 3 Very Poor 7 Poor
Max ADI Late 7 Poor 3 Very Poor 7 Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-202130-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+1) 39 (+3) 55
RH % (24h trend) 74 (+1) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.16
Precip Duration 1 5
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 480 330
Mixing Hgt(ft-agl/msl)1580 1090
Transport Wnd (mph) SW 3 SW 6
Vent Rate (kt-ft) 6600 7230
Category Day 1 1
Inversion 46F/12pm 5pm Continuing
Dispersion 3 3
Max ADI Early 4 Very Poor 3 Very Poor 7 Poor
Max ADI Late 7 Poor 3 Very Poor 7 Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-202130-
Noble-
Including the city of Caldwell
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 51 (0) 39 (+2) 55
RH % (24h trend) 74 (0) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.22
Precip Duration 1 8
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 540 290
Mixing Hgt(ft-agl/msl)1770 960
Transport Wnd (mph) SW 5 SW 6
Vent Rate (kt-ft) 9440 5370
Category Day 1 1
Inversion 46F/11am 5pm Continuing
Dispersion 4 3
Max ADI Early 6 Very Poor 3 Very Poor 5 Very Poor
Max ADI Late 10 Poor 3 Very Poor 5 Very Poor
Max LVORI Early 10 9 9
Max LVORI Late 4 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-202130-
Monroe-
Including the city of Woodsfield
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 51 (+1) 40 (+2) 56
RH % (24h trend) 74 (-7) 100 (0) 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.22
Precip Duration 1 8
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 530 290
Mixing Hgt(ft-agl/msl)1720 960
Transport Wnd (mph) SW 5 SW 6
Vent Rate (kt-ft) 10070 6680
Category Day 1 1
Inversion 46F/11am 5pm Continuing
Dispersion 4 3
Max ADI Early 6 Very Poor 3 Very Poor 4 Very Poor
Max ADI Late 9 Poor 3 Very Poor 5 Very Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-202130-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 47 (+1) 35 (+6) 52
RH % (24h trend) 67 (+12) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.04
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 610 590
Mixing Hgt(ft-agl/msl)2010 1930
Transport Wnd (mph) SW 3 SW 13
Vent Rate (kt-ft) 9540 25160
Category Day 1 2
Inversion 41F/11am 5pm 47F/11am
Dispersion 4 5
Max ADI Early 7 Poor 4 Very Poor 19 Gen Poor
Max ADI Late 9 Poor 5 Very Poor 25 Fair
Max LVORI Early 9 9 8
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-202130-
Venango-
Including the cities of Oil City and Franklin
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 47 (+1) 35 (+7) 51
RH % (24h trend) 67 (+14) 100 (0) 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 740 610
Mixing Hgt(ft-agl/msl)2420 2010
Transport Wnd (mph) SW 5 SW 14
Vent Rate (kt-ft) 13120 28340
Category Day 1 2
Inversion 37F/10am 5pm 44F/10am
Dispersion 4 5
Max ADI Early 8 Poor 3 Very Poor 19 Gen Poor
Max ADI Late 12 Poor 5 Very Poor 25 Fair
Max LVORI Early 9 9 8
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-202130-
Forest-
Including the city of Tionesta
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 47 (+2) 34 (+7) 50
RH % (24h trend) 63 (+11) 100 (0) 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 780 660
Mixing Hgt(ft-agl/msl)2540 2160
Transport Wnd (mph) SW 6 SW 15
Vent Rate (kt-ft) 15090 35240
Category Day 2 3
Inversion 33F/9am 5pm 43F/10am
Dispersion 4 5
Max ADI Early 8 Poor 3 Very Poor 22 Fair
Max ADI Late 17 Gen Poor 4 Very Poor 26 Fair
Max LVORI Early 8 9 8
Max LVORI Late 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-202130-
Lawrence-
Including the cities of New Castle and Ellwood City
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+1) 35 (+6) 53
RH % (24h trend) 68 (+10) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.07
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 600 540
Mixing Hgt(ft-agl/msl)1980 1770
Transport Wnd (mph) S 3 SW 9
Vent Rate (kt-ft) 6450 20090
Category Day 1 2
Inversion 42F/11am 5pm 47F/11am
Dispersion 3 5
Max ADI Early 6 Very Poor 3 Very Poor 14 Gen Poor
Max ADI Late 9 Poor 4 Very Poor 17 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-202130-
Butler-
Including the city of Butler
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (0) 35 (+6) 52
RH % (24h trend) 71 (+3) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.08
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 620 510
Mixing Hgt(ft-agl/msl)2030 1680
Transport Wnd (mph) S 3 SW 10
Vent Rate (kt-ft) 9460 23960
Category Day 1 2
Inversion 41F/11am 5pm 47F/11am
Dispersion 4 5
Max ADI Early 7 Poor 3 Very Poor 13 Gen Poor
Max ADI Late 9 Poor 4 Very Poor 16 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-202130-
Clarion-
Including the city of Clarion
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 47 (+1) 35 (+6) 51
RH % (24h trend) 68 (+7) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.04
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 710 620
Mixing Hgt(ft-agl/msl)2320 2040
Transport Wnd (mph) SW 5 SW 13
Vent Rate (kt-ft) 12610 26400
Category Day 1 2
Inversion 38F/10am 5pm 44F/10am
Dispersion 4 5
Max ADI Early 7 Poor 3 Very Poor 19 Gen Poor
Max ADI Late 12 Poor 4 Very Poor 25 Fair
Max LVORI Early 9 9 8
Max LVORI Late 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-202130-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 46 (+2) 36 (+7) 51
RH % (24h trend) 69 (-2) 100 (0) 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.05
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 590 620
Mixing Hgt(ft-agl/msl)1920 2050
Transport Wnd (mph) S 5 SW 14
Vent Rate (kt-ft) 11170 32980
Category Day 1 2
Inversion 38F/10am 4pm 44F/10am
Dispersion 4 5
Max ADI Early 8 Poor 3 Very Poor 20 Gen Poor
Max ADI Late 11 Poor 4 Very Poor 26 Fair
Max LVORI Early 7 7 8
Max LVORI Late 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-202130-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (0) 37 (+5) 53
RH % (24h trend) 71 (+9) 100 (+1) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.10
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 550 470
Mixing Hgt(ft-agl/msl)1790 1540
Transport Wnd (mph) SE 3 SW 8
Vent Rate (kt-ft) 6060 16240
Category Day 1 1
Inversion 42F/11am 5pm 48F/11am
Dispersion 3 5
Max ADI Early 6 Very Poor 3 Very Poor 11 Poor
Max ADI Late 8 Poor 3 Very Poor 13 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-202130-
Allegheny-
Including the city of Pittsburgh Metro Area
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+1) 37 (+4) 55
RH % (24h trend) 75 (-5) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.12
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 470 490
Mixing Hgt(ft-agl/msl)1540 1600
Transport Wnd (mph) S 3 SW 9
Vent Rate (kt-ft) 6720 16990
Category Day 1 1
Inversion 44F/12pm 4pm 47F/10am
Dispersion 3 5
Max ADI Early 4 Very Poor 2 Very Poor 13 Gen Poor
Max ADI Late 6 Very Poor 3 Very Poor 15 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-202130-
Armstrong-
Including the cities of Kittanning and Ford City
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+3) 36 (+7) 54
RH % (24h trend) 75 (-5) 100 (0) 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.08
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 530 590
Mixing Hgt(ft-agl/msl)1750 1940
Transport Wnd (mph) S 3 SW 10
Vent Rate (kt-ft) 10070 23060
Category Day 1 2
Inversion 42F/11am 4pm 45F/10am
Dispersion 4 5
Max ADI Early 6 Very Poor 2 Very Poor 16 Gen Poor
Max ADI Late 8 Poor 3 Very Poor 19 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-202130-
Washington-
Including the cities of Washington and Canonsburg
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+2) 38 (+4) 55
RH % (24h trend) 75 (-10) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14
Precip Duration 0 5
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 460 420
Mixing Hgt(ft-agl/msl)1510 1370
Transport Wnd (mph) SW 3 SW 8
Vent Rate (kt-ft) 5190 15090
Category Day 1 1
Inversion 44F/12pm 4pm 49F/11am
Dispersion 3 4
Max ADI Early 4 Very Poor 3 Very Poor 10 Poor
Max ADI Late 6 Very Poor 3 Very Poor 11 Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-202130-
Greene-
Including the city of Waynesburg
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+3) 39 (+3) 55
RH % (24h trend) 82 (-11) 100 (0) 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.17
Precip Duration 0 5
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 460 320
Mixing Hgt(ft-agl/msl)1510 1040
Transport Wnd (mph) W 3 SW 7
Vent Rate (kt-ft) 8130 8130
Category Day 1 1
Inversion 44F/11am 5pm Continuing
Dispersion 4 4
Max ADI Early 5 Very Poor 3 Very Poor 8 Poor
Max ADI Late 8 Poor 3 Very Poor 8 Poor
Max LVORI Early 9 9 9
Max LVORI Late 6 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-202130-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+2) 38 (+6) 55
RH % (24h trend) 80 (-8) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.12
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 420 550
Mixing Hgt(ft-agl/msl)1380 1810
Transport Wnd (mph) SW 3 SW 10
Vent Rate (kt-ft) 5280 18190
Category Day 1 2
Inversion 46F/1pm 4pm 48F/10am
Dispersion 3 5
Max ADI Early 4 Very Poor 3 Very Poor 16 Gen Poor
Max ADI Late 6 Very Poor 4 Very Poor 17 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 6 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-202130-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+5) 39 (+6) 56
RH % (24h trend) 71 (-22) 99 (-1) 71
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.13
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 430 570
Mixing Hgt(ft-agl/msl)1420 1870
Transport Wnd (mph) SW 5 SW 10
Vent Rate (kt-ft) 7060 19400
Category Day 1 2
Inversion 46F/1pm 4pm 50F/11am
Dispersion 3 5
Max ADI Early 5 Very Poor 3 Very Poor 16 Gen Poor
Max ADI Late 8 Poor 4 Very Poor 17 Gen Poor
Max LVORI Early 9 7 7
Max LVORI Late 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-202130-
Fayette-
Including the city of Uniontown
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+4) 39 (+4) 56
RH % (24h trend) 82 (-10) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.15
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 450 400
Mixing Hgt(ft-agl/msl)1480 1320
Transport Wnd (mph) W 3 SW 8
Vent Rate (kt-ft) 8530 13190
Category Day 1 1
Inversion 46F/12pm 4pm 50F/10am
Dispersion 4 4
Max ADI Early 4 Very Poor 3 Very Poor 11 Poor
Max ADI Late 7 Poor 3 Very Poor 11 Poor
Max LVORI Early 9 9 9
Max LVORI Late 6 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-202130-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+5) 39 (+5) 55
RH % (24h trend) 77 (-19) 100 (0) 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.17
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 410 380
Mixing Hgt(ft-agl/msl)1340 1260
Transport Wnd (mph) SW 7 SW 9
Vent Rate (kt-ft) 11300 13640
Category Day 1 1
Inversion Continuing 6pm Continuing
Dispersion 4 4
Max ADI Early 6 Very Poor 4 Very Poor 11 Poor
Max ADI Late 7 Poor 4 Very Poor 12 Poor
Max LVORI Early 9 9 8
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-202130-
Indiana-
Including the city of Indiana
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+4) 37 (+8) 54
RH % (24h trend) 77 (-12) 100 (0) 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.08
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 450 570
Mixing Hgt(ft-agl/msl)1470 1880
Transport Wnd (mph) S 5 SW 12
Vent Rate (kt-ft) 7330 23620
Category Day 1 2
Inversion 44F/12pm 4pm 46F/10am
Dispersion 3 5
Max ADI Early 5 Very Poor 3 Very Poor 18 Gen Poor
Max ADI Late 8 Poor 4 Very Poor 20 Gen Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-202130-
Higher Elevations of Indiana-
Including the city of Armagh
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+5) 39 (+10) 54
RH % (24h trend) 76 (-16) 100 (0) 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.09
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 410 520
Mixing Hgt(ft-agl/msl)1350 1700
Transport Wnd (mph) S 6 SW 10
Vent Rate (kt-ft) 7450 19660
Category Day 1 2
Inversion 45F/1pm 4pm 48F/11am
Dispersion 3 5
Max ADI Early 5 Very Poor 3 Very Poor 16 Gen Poor
Max ADI Late 8 Poor 4 Very Poor 17 Gen Poor
Max LVORI Early 8 8 8
Max LVORI Late 5 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-202130-
Hancock-
Including the city of Weirton
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (0) 38 (+4) 53
RH % (24h trend) 70 (+6) 99 (+2) 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.12
Precip Duration 0 2
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 560 430
Mixing Hgt(ft-agl/msl)1840 1420
Transport Wnd (mph) S 3 SW 8
Vent Rate (kt-ft) 6680 11350
Category Day 1 1
Inversion 42F/11am 5pm 50F/12pm
Dispersion 3 4
Max ADI Early 5 Very Poor 2 Very Poor 10 Poor
Max ADI Late 7 Poor 3 Very Poor 12 Poor
Max LVORI Early 8 7 9
Max LVORI Late 4 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-202130-
Brooke-
Including the cities of Follansbee and Wellsburg
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+1) 39 (+4) 55
RH % (24h trend) 71 (-1) 99 (+1) 78
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14
Precip Duration 0 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 540 430
Mixing Hgt(ft-agl/msl)1790 1420
Transport Wnd (mph) S 3 SW 7
Vent Rate (kt-ft) 5980 11190
Category Day 1 1
Inversion 43F/11am 5pm 49F/11am
Dispersion 3 4
Max ADI Early 4 Very Poor 3 Very Poor 9 Poor
Max ADI Late 7 Poor 3 Very Poor 10 Poor
Max LVORI Early 8 6 8
Max LVORI Late 4 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-202130-
Ohio-
Including the city of Wheeling
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+2) 40 (+4) 54
RH % (24h trend) 74 (-4) 100 (0) 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14
Precip Duration 0 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 480 350
Mixing Hgt(ft-agl/msl)1560 1130
Transport Wnd (mph) S 3 SW 6
Vent Rate (kt-ft) 5580 7460
Category Day 1 1
Inversion 45F/12pm 5pm Continuing
Dispersion 3 3
Max ADI Early 4 Very Poor 2 Very Poor 8 Poor
Max ADI Late 6 Very Poor 3 Very Poor 7 Poor
Max LVORI Early 9 8 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-202130-
Marshall-
Including the city of Moundsville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+3) 41 (+3) 55
RH % (24h trend) 79 (-6) 100 (0) 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.18
Precip Duration 1 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 510 330
Mixing Hgt(ft-agl/msl)1660 1070
Transport Wnd (mph) SW 3 SW 6
Vent Rate (kt-ft) 7940 7280
Category Day 1 1
Inversion 44F/11am 5pm Continuing
Dispersion 3 3
Max ADI Early 5 Very Poor 3 Very Poor 7 Poor
Max ADI Late 8 Poor 3 Very Poor 7 Poor
Max LVORI Early 9 9 9
Max LVORI Late 6 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-202130-
Wetzel-
Including the city of New Martinsville
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+3) 41 (+2) 55
RH % (24h trend) 82 (-8) 100 (0) 90
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.25
Precip Duration 1 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 520 290
Mixing Hgt(ft-agl/msl)1720 950
Transport Wnd (mph) W 6 SW 6
Vent Rate (kt-ft) 11300 5740
Category Day 1 1
Inversion 46F/11am 5pm Continuing
Dispersion 4 3
Max ADI Early 10 Poor 3 Very Poor 5 Very Poor
Max ADI Late 12 Poor 3 Very Poor 5 Very Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 7
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-202130-
Marion-
Including the city of Fairmont
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+4) 41 (+2) 56
RH % (24h trend) 85 (-9) 100 (0) 90
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.26
Precip Duration 0 8
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 520 290
Mixing Hgt(ft-agl/msl)1700 960
Transport Wnd (mph) W 7 SW 6
Vent Rate (kt-ft) 13220 6630
Category Day 1 1
Inversion 47F/11am 5pm Continuing
Dispersion 4 3
Max ADI Early 11 Poor 3 Very Poor 5 Very Poor
Max ADI Late 13 Gen Poor 3 Very Poor 7 Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-202130-
Monongalia-
Including the city of Morgantown
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+4) 40 (+2) 56
RH % (24h trend) 84 (-12) 100 (0) 88
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.22
Precip Duration 0 5
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 500 360
Mixing Hgt(ft-agl/msl)1640 1170
Transport Wnd (mph) W 6 SW 6
Vent Rate (kt-ft) 10550 10370
Category Day 1 1
Inversion 46F/11am 5pm Continuing
Dispersion 4 4
Max ADI Early 9 Poor 3 Very Poor 6 Very Poor
Max ADI Late 12 Poor 3 Very Poor 8 Poor
Max LVORI Early 10 9 9
Max LVORI Late 5 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-202130-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 48 (+4) 41 (+3) 55
RH % (24h trend) 84 (-14) 100 (0) 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.25
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 380 280
Mixing Hgt(ft-agl/msl)1230 930
Transport Wnd (mph) W 7 SW 8
Vent Rate (kt-ft) 11870 10400
Category Day 1 1
Inversion 47F/2pm 4pm Continuing
Dispersion 4 4
Max ADI Early 5 Very Poor 4 Very Poor 9 Poor
Max ADI Late 9 Poor 4 Very Poor 9 Poor
Max LVORI Early 9 9 9
Max LVORI Late 6 9 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-202130-
Preston-
Including the cities of Kingwood and Bruceton Mills
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 50 (+4) 41 (+3) 57
RH % (24h trend) 81 (-13) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.25
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 490 390
Mixing Hgt(ft-agl/msl)1610 1260
Transport Wnd (mph) W 8 SW 8
Vent Rate (kt-ft) 13910 13600
Category Day 1 1
Inversion 45F/10am 5pm 51F/11am
Dispersion 4 4
Max ADI Early 11 Poor 4 Very Poor 10 Poor
Max ADI Late 14 Gen Poor 4 Very Poor 11 Poor
Max LVORI Early 9 9 9
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-202130-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+4) 41 (+3) 56
RH % (24h trend) 81 (-14) 100 (0) 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.27
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 410 340
Mixing Hgt(ft-agl/msl)1330 1130
Transport Wnd (mph) W 8 SW 10
Vent Rate (kt-ft) 13110 13580
Category Day 1 1
Inversion 46F/12pm 4pm Continuing
Dispersion 4 4
Max ADI Early 10 Poor 4 Very Poor 11 Poor
Max ADI Late 12 Poor 5 Very Poor 12 Poor
Max LVORI Early 9 9 8
Max LVORI Late 6 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-202130-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Rain Rain
Chance Precip (%) 0 20 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 52 (+5) 41 (+2) 58
RH % (24h trend) 75 (-15) 100 (0) 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.33
Precip Duration 0 10
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 530 400
Mixing Hgt(ft-agl/msl)1760 1320
Transport Wnd (mph) W 9 SW 9
Vent Rate (kt-ft) 19390 14360
Category Day 2 1
Inversion 46F/10am 4pm Continuing
Dispersion 5 4
Max ADI Early 13 Gen Poor 4 Very Poor 10 Poor
Max ADI Late 16 Gen Poor 4 Very Poor 12 Poor
Max LVORI Early 9 9 8
Max LVORI Late 5 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-202130-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1218 AM EST Thu Nov 20 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None None Rain
Chance Precip (%) 0 0 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 49 (+5) 39 (+2) 55
RH % (24h trend) 84 (-7) 100 (0) 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.31
Precip Duration 8
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 470 320
Mixing Hgt(ft-agl/msl)1540 1060
Transport Wnd (mph) W 12 SW 12
Vent Rate (kt-ft) 24370 13680
Category Day 2 1
Inversion 45F/12pm 4pm Continuing
Dispersion 5 4
Max ADI Early 12 Poor 6 Very Poor 12 Poor
Max ADI Late 16 Gen Poor 6 Very Poor 14 Gen Poor
Max LVORI Early 8 9 7
Max LVORI Late 5 8 6
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy. A chance of rain. Lows in the upper
30s. Highs in the upper 40s. North winds around 5 mph.
.SUNDAY...Mostly clear. Patchy fog through the night. Lows in the
upper 20s. Highs in the lower 50s. Light winds.
.MONDAY...Partly cloudy. Lows in the lower 30s. Highs in the
lower 50s. Southwest winds 5 to 10 mph.
.TUESDAY...Mostly cloudy with rain likely. Lows in the upper 30s.
Highs in the mid 50s. South winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy with rain likely. Lows in the mid 40s.
Highs in the mid 50s. Southwest winds 10 to 15 mph.
$$
Kennedy