Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
690
FNUS51 KPBZ 211727
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1227 PM EST Fri Nov 21 2025
.DISCUSSION...
Passing low pressure returns rain Friday into early Saturday with
amounts ranging from a trace north of Pittsburgh to up to 0.50
inches south of Pittsburgh. Wind will remain light out of the
southwest today and shifting northwesterly on Saturday. Dry
weather returns to close out the weekend, save a slight chance of
showers north of I-80 on Sunday, with moderating temperatures. An
active pattern returns mid-week with another low pressure system.
OHZ039-220915-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 39 (-3) 50 (-2) 30 52
RH % (24h trend) 100 (+2) 57 (-23) 96 56
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.16 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1020 1020
Mixing Hgt(ft-agl/msl) 3350 3360
Transport Wnd (mph) NW 10 W 21
Vent Rate (kt-ft) 32300 60480
Category Day 3 4
Inversion 6pm 41F/6am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 30 Fair 4 Very Poor 48 Gen Good
Max ADI Late 4 Very Poor 34 Fair 6 Very Poor 67 Good
Max LVORI Early 10 7 7 5
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-220915-
Carroll-
Including the cities of Carrollton and Malvern
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 38 (-3) 49 (-3) 30 51
RH % (24h trend) 100 (+3) 58 (-24) 93 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1020 1020
Mixing Hgt(ft-agl/msl) 3350 3350
Transport Wnd (mph) NW 10 W 22
Vent Rate (kt-ft) 31860 63650
Category Day 3 4
Inversion 6pm 41F/5am 6pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 29 Fair 3 Very Poor 52 Gen Good
Max ADI Late 5 Very Poor 36 Fair 6 Very Poor 63 Good
Max LVORI Early 10 6 7 5
Max LVORI Late 9 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-220915-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 38 (-3) 48 (-3) 29 50
RH % (24h trend) 100 (+4) 60 (-22) 95 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.13 0.00 0.00 0.00
Precip Duration 6
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1020 1050
Mixing Hgt(ft-agl/msl) 3340 3450
Transport Wnd (mph) NW 12 W 23
Vent Rate (kt-ft) 40130 69000
Category Day 3 4
Inversion 6pm 40F/5am 6pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 32 Fair 3 Very Poor 55 Gen Good
Max ADI Late 4 Very Poor 38 Fair 5 Very Poor 74 Good
Max LVORI Early 10 7 7 5
Max LVORI Late 9 3 6 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-220915-
Coshocton-
Including the city of Coshocton
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (-2) 50 (-2) 30 52
RH % (24h trend) 100 (0) 57 (-24) 96 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.17 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 990 1000
Mixing Hgt(ft-agl/msl) 3250 3290
Transport Wnd (mph) NW 9 W 20
Vent Rate (kt-ft) 28550 55930
Category Day 2 4
Inversion 6pm 41F/6am 5pm 40F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 26 Fair 3 Very Poor 45 Gen Good
Max ADI Late 4 Very Poor 32 Fair 5 Very Poor 64 Good
Max LVORI Early 10 6 7 6
Max LVORI Late 9 3 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-220915-
Harrison-
Including the city of Cadiz
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (-3) 50 (-2) 30 52
RH % (24h trend) 100 (+2) 55 (-24) 96 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.18 0.00 0.00 0.00
Precip Duration 9
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 960 1030
Mixing Hgt(ft-agl/msl) 3160 3370
Transport Wnd (mph) NW 10 W 21
Vent Rate (kt-ft) 26630 60660
Category Day 3 4
Inversion 6pm 41F/6am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 25 Fair 3 Very Poor 50 Gen Good
Max ADI Late 5 Very Poor 33 Fair 5 Very Poor 68 Good
Max LVORI Early 10 6 7 6
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-220915-
Jefferson OH-
Including the city of Steubenville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (-2) 50 (-2) 30 52
RH % (24h trend) 100 (+1) 55 (-24) 92 54
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.17 0.02 0.00 0.00
Precip Duration 9 1
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1030 1050
Mixing Hgt(ft-agl/msl) 3390 3430
Transport Wnd (mph) NW 10 W 22
Vent Rate (kt-ft) 35650 65170
Category Day 3 4
Inversion 6pm 42F/6am 6pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 25 Fair 3 Very Poor 54 Gen Good
Max ADI Late 4 Very Poor 35 Fair 5 Very Poor 74 Good
Max LVORI Early 9 6 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-220915-
Muskingum-
Including the city of Zanesville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Mclear Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (-3) 51 (-2) 31 53
RH % (24h trend) 100 (0) 56 (-25) 99 56
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 0.18 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 950 910
Mixing Hgt(ft-agl/msl) 3120 2990
Transport Wnd (mph) NW 9 W 18
Vent Rate (kt-ft) 26820 47840
Category Day 2 3
Inversion 6pm 43F/6am 5pm 41F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 25 Fair 3 Very Poor 43 Gen Good
Max ADI Late 4 Very Poor 29 Fair 4 Very Poor 57 Gen Good
Max LVORI Early 10 6 8 5
Max LVORI Late 9 3 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-220915-
Guernsey-
Including the city of Cambridge
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (-2) 52 (-1) 30 54
RH % (24h trend) 100 (0) 55 (-24) 99 54
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.19 0.00 0.00 0.00
Precip Duration 7
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 930 960
Mixing Hgt(ft-agl/msl) 3050 3140
Transport Wnd (mph) NW 9 W 18
Vent Rate (kt-ft) 26360 50240
Category Day 2 3
Inversion 6pm 42F/6am 5pm 40F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 25 Fair 3 Very Poor 45 Gen Good
Max ADI Late 4 Very Poor 29 Fair 4 Very Poor 60 Gen Good
Max LVORI Early 10 6 8 6
Max LVORI Late 9 3 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-220915-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (-1) 52 (-1) 32 53
RH % (24h trend) 100 (+1) 56 (-24) 98 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.21 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 970 990
Mixing Hgt(ft-agl/msl) 3180 3260
Transport Wnd (mph) NW 9 W 21
Vent Rate (kt-ft) 30290 58680
Category Day 2 4
Inversion 6pm 43F/6am 5pm 40F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 21 Fair 3 Very Poor 50 Gen Good
Max ADI Late 5 Very Poor 33 Fair 5 Very Poor 65 Good
Max LVORI Early 10 6 7 6
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-220915-
Noble-
Including the city of Caldwell
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Mclear Mclear
Precip Type Rain None None None
Chance Precip (%) 90 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (0) 53 (0) 31 54
RH % (24h trend) 100 (0) 58 (-23) 100 56
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.20 0.00 0.00 0.00
Precip Duration 8
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 890 910
Mixing Hgt(ft-agl/msl) 2910 3000
Transport Wnd (mph) NW 9 W 18
Vent Rate (kt-ft) 25120 48000
Category Day 2 3
Inversion 6pm 44F/6am 5pm 41F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 21 Fair 3 Very Poor 41 Gen Good
Max ADI Late 4 Very Poor 29 Fair 4 Very Poor 57 Gen Good
Max LVORI Early 10 6 8 6
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-220915-
Monroe-
Including the city of Woodsfield
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Mclear Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 20 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 43 (+2) 53 (0) 32 54
RH % (24h trend) 100 (0) 58 (-22) 100 55
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 0.22 0.01 0.00 0.00
Precip Duration 8 0
Precip Begin 6 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 910 890
Mixing Hgt(ft-agl/msl) 3000 2930
Transport Wnd (mph) NW 9 W 18
Vent Rate (kt-ft) 27760 46880
Category Day 2 3
Inversion 6pm 44F/6am 5pm 41F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 19 Gen Poor 3 Very Poor 43 Gen Good
Max ADI Late 5 Very Poor 30 Fair 4 Very Poor 59 Gen Good
Max LVORI Early 10 6 7 6
Max LVORI Late 9 3 9 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-220915-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 34 (-4) 46 (-4) 27 49
RH % (24h trend) 100 (0) 60 (-22) 97 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var W 10
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 2
Precip Begin 8 PM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1050 1070
Mixing Hgt(ft-agl/msl) 3450 3500
Transport Wnd (mph) NW 12 W 23
Vent Rate (kt-ft) 41450 70000
Category Day 3 4
Inversion 6pm 40F/9am 5pm 38F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 31 Fair 3 Very Poor 44 Gen Good
Max ADI Late 3 Very Poor 39 Fair 7 Poor 61 Good
Max LVORI Early 9 8 7 5
Max LVORI Late 9 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-220915-
Venango-
Including the cities of Oil City and Franklin
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 34 (-4) 46 (-3) 27 47
RH % (24h trend) 100 (0) 61 (-23) 97 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 8 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1070 1030
Mixing Hgt(ft-agl/msl) 3520 3360
Transport Wnd (mph) NW 12 W 23
Vent Rate (kt-ft) 45270 67200
Category Day 3 4
Inversion 6pm 38F/9am 5pm 36F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 27 Fair 4 Very Poor 55 Gen Good
Max ADI Late 3 Very Poor 41 Gen Good 7 Poor 71 Good
Max LVORI Early 9 9 6 5
Max LVORI Late 9 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-220915-
Forest-
Including the city of Tionesta
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 34 (-3) 45 (-3) 26 46
RH % (24h trend) 100 (+2) 57 (-24) 96 65
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 9 PM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1070 1000
Mixing Hgt(ft-agl/msl) 3520 3270
Transport Wnd (mph) NW 13 NW 21
Vent Rate (kt-ft) 49520 58860
Category Day 3 4
Inversion 6pm 35F/8am 5pm 33F/8am
Dispersion 5 4
Max ADI Early 4 Very Poor 28 Fair 4 Very Poor 51 Gen Good
Max ADI Late 3 Very Poor 42 Gen Good 6 Very Poor 66 Good
Max LVORI Early 9 8 6 5
Max LVORI Late 9 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-220915-
Lawrence-
Including the cities of New Castle and Ellwood City
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 70 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 36 (-3) 48 (-4) 27 50
RH % (24h trend) 100 (+1) 59 (-22) 98 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 5
Precip Begin 9 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1070 1100
Mixing Hgt(ft-agl/msl) 3500 3590
Transport Wnd (mph) NW 12 W 23
Vent Rate (kt-ft) 42090 71800
Category Day 3 4
Inversion 6pm 38F/8am 5pm 38F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 34 Fair 3 Very Poor 58 Gen Good
Max ADI Late 4 Very Poor 39 Fair 6 Very Poor 82 Good
Max LVORI Early 10 8 7 5
Max LVORI Late 9 3 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-220915-
Butler-
Including the city of Butler
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 35 (-4) 48 (-3) 27 50
RH % (24h trend) 100 (0) 61 (-20) 99 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.10 0.00 0.00 0.00
Precip Duration 5
Precip Begin 9 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1050 1080
Mixing Hgt(ft-agl/msl) 3430 3540
Transport Wnd (mph) NW 12 W 24
Vent Rate (kt-ft) 41090 74340
Category Day 3 4
Inversion 6pm 38F/8am 5pm 37F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 32 Fair 4 Very Poor 57 Gen Good
Max ADI Late 4 Very Poor 43 Gen Good 6 Very Poor 80 Good
Max LVORI Early 10 8 8 6
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-220915-
Clarion-
Including the city of Clarion
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 70 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 36 (-2) 47 (-2) 27 49
RH % (24h trend) 100 (0) 59 (-23) 95 62
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 3
Precip Begin 9 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1090 1060
Mixing Hgt(ft-agl/msl) 3560 3460
Transport Wnd (mph) NW 13 W 24
Vent Rate (kt-ft) 48730 72660
Category Day 3 4
Inversion 6pm 37F/8am 5pm 36F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 34 Fair 4 Very Poor 55 Gen Good
Max ADI Late 3 Very Poor 44 Gen Good 5 Very Poor 79 Good
Max LVORI Early 9 9 6 6
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-220915-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 70 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 36 (-1) 46 (-2) 27 47
RH % (24h trend) 99 (-1) 57 (-25) 93 61
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7 G17
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 9 G18
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 3
Precip Begin 10 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1060 990
Mixing Hgt(ft-agl/msl) 3470 3250
Transport Wnd (mph) NW 13 W 24
Vent Rate (kt-ft) 48340 68250
Category Day 3 4
Inversion 6pm 38F/8am 5pm 36F/9am
Dispersion 5 4
Max ADI Early 4 Very Poor 35 Fair 4 Very Poor 50 Gen Good
Max ADI Late 3 Very Poor 44 Gen Good 5 Very Poor 61 Good
Max LVORI Early 8 9 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-220915-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Rain None None None
Chance Precip (%) 80 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 38 (-2) 49 (-2) 29 51
RH % (24h trend) 100 (+4) 59 (-23) 95 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.13 0.00 0.00 0.00
Precip Duration 7
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1080 1100
Mixing Hgt(ft-agl/msl) 3530 3610
Transport Wnd (mph) NW 12 W 23
Vent Rate (kt-ft) 41660 72200
Category Day 3 4
Inversion 6pm 40F/7am 6pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 32 Fair 3 Very Poor 56 Gen Good
Max ADI Late 4 Very Poor 39 Fair 5 Very Poor 80 Good
Max LVORI Early 10 8 7 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-220915-
Allegheny-
Including the city of Pittsburgh Metro Area
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 90 70 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (-1) 50 (-2) 30 51
RH % (24h trend) 100 (+1) 61 (-23) 98 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 9
Precip Amount 0.15 0.02 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1070 1130
Mixing Hgt(ft-agl/msl) 3500 3710
Transport Wnd (mph) NW 12 W 24
Vent Rate (kt-ft) 40030 77910
Category Day 3 4
Inversion 6pm 42F/8am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 27 Fair 4 Very Poor 57 Gen Good
Max ADI Late 4 Very Poor 39 Fair 5 Very Poor 64 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 3 7 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-220915-
Armstrong-
Including the cities of Kittanning and Ford City
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 80 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 38 (-1) 50 (-1) 27 50
RH % (24h trend) 100 (0) 61 (-25) 99 61
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 9 G17
Precip Amount 0.12 0.02 0.00 0.00
Precip Duration 6 0
Precip Begin 9 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1080 1090
Mixing Hgt(ft-agl/msl) 3530 3570
Transport Wnd (mph) NW 13 W 23
Vent Rate (kt-ft) 39840 71400
Category Day 3 4
Inversion 6pm 42F/9am 5pm 37F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 32 Fair 4 Very Poor 57 Gen Good
Max ADI Late 3 Very Poor 43 Gen Good 5 Very Poor 73 Good
Max LVORI Early 10 9 7 7
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-220915-
Washington-
Including the cities of Washington and Canonsburg
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (+2) 50 (-2) 30 52
RH % (24h trend) 100 (0) 58 (-26) 96 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 9
Precip Amount 0.21 0.02 0.00 0.00
Precip Duration 9 0
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1020 1060
Mixing Hgt(ft-agl/msl) 3340 3460
Transport Wnd (mph) NW 12 W 24
Vent Rate (kt-ft) 33950 72660
Category Day 3 4
Inversion 6pm 42F/7am 5pm 40F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 22 Fair 3 Very Poor 56 Gen Good
Max ADI Late 5 Very Poor 37 Fair 5 Very Poor 61 Good
Max LVORI Early 10 7 6 5
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-220915-
Greene-
Including the city of Waynesburg
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (+3) 51 (-2) 31 52
RH % (24h trend) 100 (0) 64 (-23) 99 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.22 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 990 980
Mixing Hgt(ft-agl/msl) 3240 3210
Transport Wnd (mph) NW 10 W 22
Vent Rate (kt-ft) 29650 60990
Category Day 3 4
Inversion 6pm 44F/8am 5pm 41F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 20 Gen Poor 3 Very Poor 56 Gen Good
Max ADI Late 4 Very Poor 30 Fair 4 Very Poor 71 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 3 8 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-220915-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 90 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (+2) 51 (-1) 29 52
RH % (24h trend) 100 (0) 63 (-22) 100 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 10
Precip Amount 0.18 0.03 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 1080 1090
Mixing Hgt(ft-agl/msl) 3530 3590
Transport Wnd (mph) NW 12 W 24
Vent Rate (kt-ft) 35070 75390
Category Day 3 4
Inversion 6pm 42F/8am 5pm 37F/8am
Dispersion 5 4
Max ADI Early 2 Very Poor 18 Gen Poor 4 Very Poor 47 Gen Good
Max ADI Late 3 Very Poor 40 Fair 6 Very Poor 61 Good
Max LVORI Early 10 9 8 6
Max LVORI Late 10 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-220915-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 90 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (+2) 50 (-2) 30 51
RH % (24h trend) 100 (0) 56 (-21) 92 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7 G19
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 10 G20
Precip Amount 0.21 0.03 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 970 970
Mixing Hgt(ft-agl/msl) 3190 3190
Transport Wnd (mph) NW 13 W 26
Vent Rate (kt-ft) 38750 73370
Category Day 3 4
Inversion 6pm 42F/8am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 18 Gen Poor 4 Very Poor 48 Gen Good
Max ADI Late 3 Very Poor 39 Fair 6 Very Poor 62 Good
Max LVORI Early 8 8 6 5
Max LVORI Late 9 3 6 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-220915-
Fayette-
Including the city of Uniontown
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (+3) 51 (-2) 30 52
RH % (24h trend) 100 (0) 64 (-21) 99 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8
Precip Amount 0.23 0.02 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 1040 1060
Mixing Hgt(ft-agl/msl) 3420 3470
Transport Wnd (mph) NW 10 W 23
Vent Rate (kt-ft) 27500 69400
Category Day 3 4
Inversion 6pm 45F/4am 6pm 38F/8am
Dispersion 5 4
Max ADI Early 2 Very Poor 17 Gen Poor 3 Very Poor 61 Good
Max ADI Late 4 Very Poor 34 Fair 5 Very Poor 72 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-220915-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (+1) 50 (-3) 30 50
RH % (24h trend) 100 (0) 62 (-18) 98 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.25 0.02 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 830 920
Mixing Hgt(ft-agl/msl) 2720 3020
Transport Wnd (mph) NW 12 W 17
Vent Rate (kt-ft) 26940 45300
Category Day 3 3
Inversion 6pm 43F/9am 5pm 39F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 14 Gen Poor 4 Very Poor 56 Gen Good
Max ADI Late 3 Very Poor 32 Fair 5 Very Poor 72 Good
Max LVORI Early 10 8 6 5
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-220915-
Indiana-
Including the city of Indiana
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 80 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 39 (+1) 49 (-1) 28 50
RH % (24h trend) 100 (0) 61 (-24) 97 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7 G18
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 10 G20
Precip Amount 0.12 0.02 0.00 0.00
Precip Duration 6 1
Precip Begin 8 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1060 1060
Mixing Hgt(ft-agl/msl) 3470 3480
Transport Wnd (mph) NW 13 W 25
Vent Rate (kt-ft) 39110 76560
Category Day 3 4
Inversion 6pm 42F/9am 5pm 38F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 32 Fair 4 Very Poor 47 Gen Good
Max ADI Late 3 Very Poor 43 Gen Good 5 Very Poor 63 Good
Max LVORI Early 9 9 7 6
Max LVORI Late 9 3 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-220915-
Higher Elevations of Indiana-
Including the city of Armagh
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Pcldy
Precip Type Rain Rain None None
Chance Precip (%) 90 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 40 (+2) 49 (-1) 29 50
RH % (24h trend) 99 (-1) 59 (-24) 94 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 7 G19
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 10 G20
Precip Amount 0.16 0.03 0.00 0.00
Precip Duration 6 1
Precip Begin 9 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 970 890
Mixing Hgt(ft-agl/msl) 3190 2920
Transport Wnd (mph) NW 13 W 25
Vent Rate (kt-ft) 38670 64240
Category Day 3 4
Inversion 6pm 41F/8am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 21 Fair 4 Very Poor 47 Gen Good
Max ADI Late 3 Very Poor 41 Gen Good 4 Very Poor 56 Gen Good
Max LVORI Early 9 9 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-220915-
Hancock-
Including the city of Weirton
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (-1) 49 (-2) 31 51
RH % (24h trend) 100 (+2) 56 (-25) 91 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.15 0.01 0.00 0.00
Precip Duration 8 0
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1090 1080
Mixing Hgt(ft-agl/msl) 3590 3550
Transport Wnd (mph) NW 10 W 22
Vent Rate (kt-ft) 38550 67450
Category Day 3 4
Inversion 6pm 42F/5am 6pm 39F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 30 Fair 3 Very Poor 53 Gen Good
Max ADI Late 4 Very Poor 38 Fair 6 Very Poor 76 Good
Max LVORI Early 9 8 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-220915-
Brooke-
Including the cities of Follansbee and Wellsburg
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 60 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (0) 51 (-1) 32 52
RH % (24h trend) 99 (0) 55 (-24) 90 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.19 0.02 0.00 0.00
Precip Duration 9 1
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1080 1090
Mixing Hgt(ft-agl/msl) 3540 3570
Transport Wnd (mph) NW 10 W 23
Vent Rate (kt-ft) 28710 71400
Category Day 3 4
Inversion 6pm 43F/6am 5pm 40F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 25 Fair 3 Very Poor 57 Gen Good
Max ADI Late 4 Very Poor 35 Fair 5 Very Poor 79 Good
Max LVORI Early 9 6 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-220915-
Ohio-
Including the city of Wheeling
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (+2) 51 (-1) 32 52
RH % (24h trend) 100 (0) 56 (-26) 92 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var NW 5 Lgt/Var W 8
Precip Amount 0.21 0.02 0.00 0.00
Precip Duration 8 0
Precip Begin 6 PM Continuing
Precip End Continuing 8 AM
Mixing Hgt(m-agl/msl) 1030 1040
Mixing Hgt(ft-agl/msl) 3370 3420
Transport Wnd (mph) NW 10 W 23
Vent Rate (kt-ft) 29780 68400
Category Day 3 4
Inversion 6pm 43F/6am 5pm 40F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 20 Gen Poor 3 Very Poor 58 Gen Good
Max ADI Late 4 Very Poor 35 Fair 4 Very Poor 77 Good
Max LVORI Early 9 7 6 5
Max LVORI Late 9 3 6 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-220915-
Marshall-
Including the city of Moundsville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Mclear Mclear
Precip Type Rain Rain None None
Chance Precip (%) 90 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 43 (+3) 53 (0) 33 54
RH % (24h trend) 100 (+1) 61 (-24) 94 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.20 0.01 0.00 0.00
Precip Duration 8 0
Precip Begin 6 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 1010 990
Mixing Hgt(ft-agl/msl) 3300 3250
Transport Wnd (mph) NW 10 W 22
Vent Rate (kt-ft) 27830 61750
Category Day 3 4
Inversion 6pm 45F/6am 5pm 41F/9am
Dispersion 5 4
Max ADI Early 2 Very Poor 18 Gen Poor 3 Very Poor 51 Gen Good
Max ADI Late 5 Very Poor 32 Fair 4 Very Poor 70 Good
Max LVORI Early 10 7 6 6
Max LVORI Late 9 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-220915-
Wetzel-
Including the city of New Martinsville
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Mclear Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 20 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 44 (+4) 52 (-1) 33 52
RH % (24h trend) 100 (0) 66 (-22) 97 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.30 0.01 0.00 0.00
Precip Duration 8 0
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 890 930
Mixing Hgt(ft-agl/msl) 2930 3060
Transport Wnd (mph) NW 9 W 21
Vent Rate (kt-ft) 25270 55080
Category Day 2 4
Inversion 6pm 45F/6am 5pm 41F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 19 Gen Poor 3 Very Poor 47 Gen Good
Max ADI Late 5 Very Poor 27 Fair 4 Very Poor 65 Good
Max LVORI Early 10 7 7 6
Max LVORI Late 9 4 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-220915-
Marion-
Including the city of Fairmont
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 44 (+3) 52 (-1) 33 52
RH % (24h trend) 100 (0) 68 (-18) 100 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.33 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 880 940
Mixing Hgt(ft-agl/msl) 2900 3100
Transport Wnd (mph) NW 8 W 21
Vent Rate (kt-ft) 23980 55800
Category Day 2 4
Inversion 6pm 45F/8am 5pm 38F/8am
Dispersion 5 4
Max ADI Early 2 Very Poor 19 Gen Poor 3 Very Poor 52 Gen Good
Max ADI Late 4 Very Poor 26 Fair 4 Very Poor 66 Good
Max LVORI Early 10 8 9 7
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-220915-
Monongalia-
Including the city of Morgantown
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 43 (+3) 51 (-2) 33 52
RH % (24h trend) 100 (0) 67 (-19) 99 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.32 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 890 970
Mixing Hgt(ft-agl/msl) 2910 3190
Transport Wnd (mph) NW 9 W 22
Vent Rate (kt-ft) 26480 60610
Category Day 2 4
Inversion 6pm 45F/8am 5pm 39F/8am
Dispersion 5 4
Max ADI Early 2 Very Poor 20 Gen Poor 3 Very Poor 56 Gen Good
Max ADI Late 4 Very Poor 26 Fair 5 Very Poor 69 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-220915-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (0) 50 (-2) 33 49
RH % (24h trend) 100 (0) 69 (-16) 99 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.32 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 630 900
Mixing Hgt(ft-agl/msl) 2080 2940
Transport Wnd (mph) NW 9 W 16
Vent Rate (kt-ft) 22220 41160
Category Day 2 3
Inversion 6pm 46F/11am 5pm 40F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 12 Poor 3 Very Poor 52 Gen Good
Max ADI Late 4 Very Poor 22 Fair 6 Very Poor 66 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 4 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-220915-
Preston-
Including the cities of Kingwood and Bruceton Mills
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 30 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (-1) 50 (-4) 32 50
RH % (24h trend) 100 (0) 67 (-16) 100 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.33 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 10 AM
Mixing Hgt(m-agl/msl) 780 1010
Mixing Hgt(ft-agl/msl) 2560 3310
Transport Wnd (mph) NW 10 W 18
Vent Rate (kt-ft) 25250 52960
Category Day 2 4
Inversion 6pm 44F/8am 5pm 37F/8am
Dispersion 5 4
Max ADI Early 3 Very Poor 18 Gen Poor 4 Very Poor 56 Gen Good
Max ADI Late 3 Very Poor 28 Fair 5 Very Poor 71 Good
Max LVORI Early 10 8 8 6
Max LVORI Late 9 4 9 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-220915-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 40 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 42 (+1) 50 (-3) 33 49
RH % (24h trend) 100 (0) 67 (-18) 99 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G18
Precip Amount 0.34 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 660 920
Mixing Hgt(ft-agl/msl) 2170 3020
Transport Wnd (mph) NW 12 W 22
Vent Rate (kt-ft) 23630 57380
Category Day 2 4
Inversion 6pm 45F/9am 5pm 39F/9am
Dispersion 5 4
Max ADI Early 3 Very Poor 13 Gen Poor 4 Very Poor 55 Gen Good
Max ADI Late 4 Very Poor 25 Fair 8 Poor 72 Good
Max LVORI Early 10 8 7 6
Max LVORI Late 9 4 8 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-220915-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Cloudy Mcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 43 (+2) 52 (-4) 33 51
RH % (24h trend) 100 (0) 63 (-17) 100 52
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 8 G17
Precip Amount 0.38 0.01 0.00 0.00
Precip Duration 8 1
Precip Begin 6 PM Continuing
Precip End Continuing 11 AM
Mixing Hgt(m-agl/msl) 710 970
Mixing Hgt(ft-agl/msl) 2340 3200
Transport Wnd (mph) NW 9 W 25
Vent Rate (kt-ft) 25700 70400
Category Day 2 4
Inversion 6pm 45F/8am 6pm 35F/4am
Dispersion 5 4
Max ADI Early 3 Very Poor 16 Gen Poor 4 Very Poor 53 Gen Good
Max ADI Late 4 Very Poor 22 Fair 5 Very Poor 78 Good
Max LVORI Early 9 8 8 5
Max LVORI Late 9 4 8 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-220915-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1227 PM EST Fri Nov 21 2025
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Rain Rain None None
Chance Precip (%) 100 50 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 41 (+1) 49 (-4) 31 48
RH % (24h trend) 100 (0) 74 (-12) 100 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var W 6 G21
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 9 G23
Precip Amount 0.35 0.02 0.00 0.00
Precip Duration 7 1
Precip Begin 6 PM Continuing
Precip End Continuing 12 PM
Mixing Hgt(m-agl/msl) 550 900
Mixing Hgt(ft-agl/msl) 1790 2940
Transport Wnd (mph) W 14 W 31
Vent Rate (kt-ft) 27850 79380
Category Day 2 4
Inversion 6pm 46F/12pm 4pm 38F/9am
Dispersion 5 4
Max ADI Early 4 Very Poor 12 Poor 7 Poor 57 Gen Good
Max ADI Late 5 Very Poor 23 Fair 9 Poor 81 Good
Max LVORI Early 9 7 7 5
Max LVORI Late 9 5 7 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 50s. Light winds.
.TUESDAY...Rain. Lows in the upper 30s. Highs in the mid 50s.
South winds 5 to 10 mph.
.WEDNESDAY...Mostly cloudy with rain likely. Lows in the mid 40s.
Highs in the mid 50s. West winds 10 to 15 mph.
.THURSDAY...Mostly cloudy. Colder. Lows around 30. Highs around
40. West winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Lows in the mid 20s. Highs in the upper
30s. West winds 10 to 15 mph.
$$
MLB