Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
876
FNUS51 KPBZ 181600
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1200 PM EDT Fri Sep 18 2026
.DISCUSSION...
Save Saturday, minimum relative humidities are expected to remain
above 60% with daily rain chances through the middle of next week.
Winds will generally remain light, increasing some by the middle
of next week. Fire weather is not expected.
OHZ039-190815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 20 70 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-10) 79 (+3) 65 78
RH % (24h trend) 95 (-3) 56 (-4) 100 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.13 0.33
Precip Duration 0 3 12
Precip Begin 11 AM 11 PM Continuing
Precip End 3 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 990 660
Mixing Hgt(ft-agl/msl) 3240 2150
Transport Wnd (mph) SE 8 NW 13
Vent Rate (kt-ft) 22680 23650
Category Day 2 2
Inversion 7pm 66F/10am 7pm 69F/10am
Dispersion 2 2
Max ADI Early 5 Very Poor 12 Poor 5 Very Poor 22 Fair
Max ADI Late 4 Very Poor 29 Fair 6 Very Poor 25 Fair
Max LVORI Early 5 6 6 8
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-190815-
Carroll-
Including the cities of Carrollton and Malvern
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-9) 78 (+3) 64 77
RH % (24h trend) 93 (-6) 57 (-2) 99 81
Wind 20ft/early(mph) NE 5 Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.00 0.00 0.13 0.37
Precip Duration 2 12
Precip Begin 11 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 940 610
Mixing Hgt(ft-agl/msl) 3090 1990
Transport Wnd (mph) SE 8 NW 14
Vent Rate (kt-ft) 21630 23880
Category Day 2 2
Inversion 8pm 66F/10am 7pm 67F/9am
Dispersion 2 2
Max ADI Early 6 Very Poor 14 Gen Poor 5 Very Poor 21 Fair
Max ADI Late 5 Very Poor 31 Fair 7 Poor 25 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 6 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-190815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-9) 77 (+2) 63 76
RH % (24h trend) 93 (-4) 57 (-1) 99 82
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.15 0.44
Precip Duration 3 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 920 640
Mixing Hgt(ft-agl/msl) 3010 2090
Transport Wnd (mph) SE 8 NW 14
Vent Rate (kt-ft) 21070 25080
Category Day 2 2
Inversion 7pm 65F/10am 7pm 68F/10am
Dispersion 2 2
Max ADI Early 6 Very Poor 15 Gen Poor 5 Very Poor 23 Fair
Max ADI Late 5 Very Poor 30 Fair 7 Poor 27 Fair
Max LVORI Early 6 6 6 7
Max LVORI Late 6 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-190815-
Coshocton-
Including the city of Coshocton
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 20 60 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-10) 79 (+4) 64 78
RH % (24h trend) 96 (-4) 58 (-5) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.14 0.26
Precip Duration 1 3 11
Precip Begin 10 AM 11 PM Continuing
Precip End 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 990 730
Mixing Hgt(ft-agl/msl) 3260 2400
Transport Wnd (mph) SE 8 W 10
Vent Rate (kt-ft) 22820 21600
Category Day 2 2
Inversion 7pm 66F/10am 7pm 70F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 11 Poor 4 Very Poor 21 Fair
Max ADI Late 4 Very Poor 29 Fair 5 Very Poor 25 Fair
Max LVORI Early 5 7 6 9
Max LVORI Late 7 3 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-190815-
Harrison-
Including the city of Cadiz
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-10) 80 (+4) 65 78
RH % (24h trend) 97 (-3) 55 (-6) 100 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.08 0.31
Precip Duration 3 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 960 610
Mixing Hgt(ft-agl/msl) 3160 2010
Transport Wnd (mph) SE 8 W 12
Vent Rate (kt-ft) 22120 20100
Category Day 2 2
Inversion 7pm 67F/10am 7pm 70F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 14 Gen Poor 4 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 30 Fair 7 Poor 22 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 8 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-190815-
Jefferson OH-
Including the city of Steubenville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 56 (-10) 80 (+4) 64 79
RH % (24h trend) 95 (-5) 55 (-5) 99 81
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.00 0.00 0.09 0.35
Precip Duration 1 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 950 670
Mixing Hgt(ft-agl/msl) 3110 2200
Transport Wnd (mph) SE 8 W 13
Vent Rate (kt-ft) 21770 24200
Category Day 2 3
Inversion 7pm 67F/10am 7pm 69F/10am
Dispersion 2 3
Max ADI Early 4 Very Poor 15 Gen Poor 4 Very Poor 21 Fair
Max ADI Late 4 Very Poor 29 Fair 7 Poor 26 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 6 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-190815-
Muskingum-
Including the city of Zanesville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 57 (-11) 81 (+5) 65 80
RH % (24h trend) 95 (-5) 58 (-9) 100 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.13 0.27
Precip Duration 1 10
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1060 730
Mixing Hgt(ft-agl/msl) 3470 2400
Transport Wnd (mph) S 7 SW 10
Vent Rate (kt-ft) 20820 21600
Category Day 2 2
Inversion 7pm 68F/10am 7pm 71F/10am
Dispersion 2 2
Max ADI Early 5 Very Poor 9 Poor 4 Very Poor 18 Gen Poor
Max ADI Late 4 Very Poor 27 Fair 5 Very Poor 28 Fair
Max LVORI Early 6 7 6 9
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-190815-
Guernsey-
Including the city of Cambridge
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 57 (-10) 81 (+4) 66 80
RH % (24h trend) 96 (-4) 54 (-10) 100 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.09 0.31
Precip Duration 1 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1070 630
Mixing Hgt(ft-agl/msl) 3500 2070
Transport Wnd (mph) SE 7 W 9
Vent Rate (kt-ft) 21000 16560
Category Day 2 2
Inversion 7pm 68F/10am 7pm 71F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 10 Poor 4 Very Poor 19 Gen Poor
Max ADI Late 4 Very Poor 28 Fair 6 Very Poor 21 Fair
Max LVORI Early 6 7 7 9
Max LVORI Late 8 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-190815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 57 (-10) 81 (+4) 65 80
RH % (24h trend) 97 (-3) 54 (-11) 100 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.09 0.33
Precip Duration 2 10
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 630
Mixing Hgt(ft-agl/msl) 3410 2070
Transport Wnd (mph) S 7 W 12
Vent Rate (kt-ft) 20460 20700
Category Day 2 2
Inversion 7pm 68F/10am 7pm 71F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 12 Poor 4 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 26 Fair 8 Poor 23 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 8 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-190815-
Noble-
Including the city of Caldwell
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 58 (-10) 82 (+5) 66 81
RH % (24h trend) 96 (-4) 57 (-13) 100 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.07 0.26
Precip Duration 1 9
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1090 670
Mixing Hgt(ft-agl/msl) 3570 2200
Transport Wnd (mph) S 6 SW 9
Vent Rate (kt-ft) 17850 17600
Category Day 2 2
Inversion 7pm 69F/10am 7pm 71F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 9 Poor 4 Very Poor 16 Gen Poor
Max ADI Late 4 Very Poor 25 Fair 7 Poor 21 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 8 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-190815-
Monroe-
Including the city of Woodsfield
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 59 (-9) 82 (+4) 66 81
RH % (24h trend) 96 (-4) 55 (-15) 100 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.07 0.28
Precip Duration 1 9
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1090 780
Mixing Hgt(ft-agl/msl) 3580 2570
Transport Wnd (mph) S 6 SW 10
Vent Rate (kt-ft) 17900 23130
Category Day 2 2
Inversion 7pm 69F/10am 7pm 69F/9am
Dispersion 2 2
Max ADI Early 4 Very Poor 10 Poor 4 Very Poor 19 Gen Poor
Max ADI Late 4 Very Poor 25 Fair 7 Poor 23 Fair
Max LVORI Early 6 6 7 8
Max LVORI Late 8 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-190815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 20 80 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 54 (-9) 75 (+1) 61 74
RH % (24h trend) 94 (-5) 61 (+2) 100 85
Wind 20ft/early(mph) NE 5 E 5 Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var SE 5 SE 5 NW 7
Precip Amount 0.00 0.00 0.27 0.53
Precip Duration 0 3 11
Precip Begin 2 PM 12 AM Continuing
Precip End 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 710 530
Mixing Hgt(ft-agl/msl) 2320 1720
Transport Wnd (mph) SE 9 N 13
Vent Rate (kt-ft) 18560 18920
Category Day 2 2
Inversion 7pm 59F/9am 6pm 67F/10am
Dispersion 2 2
Max ADI Early 8 Poor 20 Gen Poor 8 Poor 25 Fair
Max ADI Late 7 Poor 25 Fair 8 Poor 25 Fair
Max LVORI Early 6 5 5 8
Max LVORI Late 6 3 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-190815-
Venango-
Including the cities of Oil City and Franklin
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 53 (-9) 73 (-1) 59 73
RH % (24h trend) 94 (-4) 62 (+3) 100 88
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.24 0.58
Precip Duration 3 11
Precip Begin 11 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 790 530
Mixing Hgt(ft-agl/msl) 2590 1730
Transport Wnd (mph) SE 9 N 12
Vent Rate (kt-ft) 20720 17300
Category Day 2 2
Inversion 7pm 56F/9am 6pm 63F/9am
Dispersion 2 2
Max ADI Early 6 Very Poor 19 Gen Poor 8 Poor 25 Fair
Max ADI Late 5 Very Poor 26 Fair 8 Poor 24 Fair
Max LVORI Early 6 5 5 8
Max LVORI Late 6 3 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-190815-
Forest-
Including the city of Tionesta
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 50 (-11) 72 (-2) 58 71
RH % (24h trend) 92 (-5) 55 (+1) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.20 0.61
Precip Duration 2 11
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 850 520
Mixing Hgt(ft-agl/msl) 2780 1710
Transport Wnd (mph) S 9 SW 13
Vent Rate (kt-ft) 22240 18810
Category Day 2 2
Inversion 7pm 55F/9am 6pm 62F/9am
Dispersion 2 2
Max ADI Early 6 Very Poor 18 Gen Poor 8 Poor 25 Fair
Max ADI Late 4 Very Poor 30 Fair 8 Poor 24 Fair
Max LVORI Early 6 4 5 8
Max LVORI Late 6 2 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-190815-
Lawrence-
Including the cities of New Castle and Ellwood City
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 20 80 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 55 (-10) 77 (+1) 62 75
RH % (24h trend) 95 (-4) 57 (-1) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.21 0.47
Precip Duration 0 3 12
Precip Begin 2 PM 12 AM Continuing
Precip End 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 780 600
Mixing Hgt(ft-agl/msl) 2570 1970
Transport Wnd (mph) SE 9 NW 13
Vent Rate (kt-ft) 20560 21670
Category Day 2 2
Inversion 7pm 65F/10am 7pm 68F/10am
Dispersion 2 2
Max ADI Early 6 Very Poor 19 Gen Poor 6 Very Poor 24 Fair
Max ADI Late 7 Poor 26 Fair 8 Poor 26 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 6 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-190815-
Butler-
Including the city of Butler
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 100
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 54 (-11) 77 (+1) 61 75
RH % (24h trend) 97 (-2) 61 (+1) 100 86
Wind 20ft/early(mph) Lgt/Var E 5 Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.00 0.00 0.18 0.48
Precip Duration 3 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 820 560
Mixing Hgt(ft-agl/msl) 2700 1830
Transport Wnd (mph) SE 9 W 12
Vent Rate (kt-ft) 21600 18300
Category Day 2 2
Inversion 7pm 63F/10am 6pm 66F/9am
Dispersion 2 2
Max ADI Early 5 Very Poor 19 Gen Poor 7 Poor 27 Fair
Max ADI Late 7 Poor 26 Fair 7 Poor 28 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 8 3 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-190815-
Clarion-
Including the city of Clarion
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 53 (-10) 74 (-1) 60 74
RH % (24h trend) 93 (-5) 57 (+2) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.20 0.53
Precip Duration 3 11
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 780 490
Mixing Hgt(ft-agl/msl) 2560 1600
Transport Wnd (mph) SE 9 SW 15
Vent Rate (kt-ft) 20480 20800
Category Day 2 2
Inversion 7pm 56F/9am 6pm 64F/9am
Dispersion 2 2
Max ADI Early 5 Very Poor 20 Gen Poor 8 Poor 24 Fair
Max ADI Late 6 Very Poor 27 Fair 8 Poor 25 Fair
Max LVORI Early 6 5 5 8
Max LVORI Late 6 2 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-190815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 100
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 50 (-13) 73 (-1) 59 73
RH % (24h trend) 93 (-4) 55 (0) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 6 S 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 W 5
Precip Amount 0.00 0.00 0.17 0.52
Precip Duration 3 11
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 830 540
Mixing Hgt(ft-agl/msl) 2730 1770
Transport Wnd (mph) SE 9 SW 15
Vent Rate (kt-ft) 21840 23010
Category Day 2 2
Inversion 7pm 56F/9am 6pm 63F/9am
Dispersion 2 2
Max ADI Early 5 Very Poor 20 Gen Poor 9 Poor 26 Fair
Max ADI Late 6 Very Poor 27 Fair 11 Poor 27 Fair
Max LVORI Early 6 5 4 7
Max LVORI Late 6 2 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-190815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 56 (-10) 78 (+2) 63 76
RH % (24h trend) 93 (-5) 57 (-2) 100 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.14 0.46
Precip Duration 2 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 950 600
Mixing Hgt(ft-agl/msl) 3100 1980
Transport Wnd (mph) SE 8 W 14
Vent Rate (kt-ft) 21700 23760
Category Day 2 2
Inversion 7pm 65F/10am 7pm 68F/10am
Dispersion 2 2
Max ADI Early 6 Very Poor 18 Gen Poor 4 Very Poor 23 Fair
Max ADI Late 5 Very Poor 30 Fair 6 Very Poor 25 Fair
Max LVORI Early 6 5 6 8
Max LVORI Late 6 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-190815-
Allegheny-
Including the city of Pittsburgh Metro Area
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 100
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 57 (-10) 79 (+3) 64 77
RH % (24h trend) 94 (-4) 57 (-7) 100 85
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 7
Precip Amount 0.00 0.00 0.10 0.45
Precip Duration 2 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 990 710
Mixing Hgt(ft-agl/msl) 3230 2310
Transport Wnd (mph) SE 7 SW 13
Vent Rate (kt-ft) 19380 25410
Category Day 2 3
Inversion 7pm 62F/9am 7pm 69F/10am
Dispersion 2 3
Max ADI Early 9 Poor 17 Gen Poor 6 Very Poor 27 Fair
Max ADI Late 6 Very Poor 29 Fair 7 Poor 30 Fair
Max LVORI Early 6 6 5 7
Max LVORI Late 6 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-190815-
Armstrong-
Including the cities of Kittanning and Ford City
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 100
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 54 (-11) 77 (+1) 62 76
RH % (24h trend) 96 (-3) 59 (-2) 100 88
Wind 20ft/early(mph) Lgt/Var E 5 SE 5 S 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.17 0.47
Precip Duration 3 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 850 620
Mixing Hgt(ft-agl/msl) 2790 2030
Transport Wnd (mph) SE 9 SW 14
Vent Rate (kt-ft) 22320 24360
Category Day 2 2
Inversion 7pm 59F/9am 6pm 67F/10am
Dispersion 2 2
Max ADI Early 5 Very Poor 20 Gen Poor 8 Poor 25 Fair
Max ADI Late 6 Very Poor 27 Fair 8 Poor 29 Fair
Max LVORI Early 6 5 5 8
Max LVORI Late 7 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-190815-
Washington-
Including the cities of Washington and Canonsburg
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 57 (-10) 79 (+3) 65 78
RH % (24h trend) 94 (-5) 57 (-10) 99 84
Wind 20ft/early(mph) N 5 Lgt/Var Lgt/Var SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var S 5 W 7
Precip Amount 0.00 0.00 0.10 0.43
Precip Duration 1 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1060 720
Mixing Hgt(ft-agl/msl) 3470 2350
Transport Wnd (mph) SE 7 SW 14
Vent Rate (kt-ft) 20820 28200
Category Day 2 3
Inversion 7pm 62F/9am 7pm 67F/9am
Dispersion 2 3
Max ADI Early 6 Very Poor 15 Gen Poor 4 Very Poor 28 Fair
Max ADI Late 4 Very Poor 29 Fair 9 Poor 30 Fair
Max LVORI Early 6 6 5 6
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-190815-
Greene-
Including the city of Waynesburg
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 58 (-9) 80 (+4) 65 78
RH % (24h trend) 98 (-1) 60 (-14) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.05 0.37
Precip Duration 1 11
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1210 750
Mixing Hgt(ft-agl/msl) 3980 2460
Transport Wnd (mph) S 7 SW 15
Vent Rate (kt-ft) 23880 31980
Category Day 2 3
Inversion 7pm 62F/9am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 14 Gen Poor 4 Very Poor 28 Fair
Max ADI Late 3 Very Poor 32 Fair 8 Poor 32 Fair
Max LVORI Early 6 7 6 7
Max LVORI Late 8 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-190815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 100
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 56 (-11) 78 (+2) 64 77
RH % (24h trend) 99 (-1) 58 (-11) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 7 SW 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var S 5 SW 8
Precip Amount 0.00 0.00 0.07 0.48
Precip Duration 1 11
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 690
Mixing Hgt(ft-agl/msl) 3420 2270
Transport Wnd (mph) SE 7 SW 15
Vent Rate (kt-ft) 20520 29510
Category Day 2 3
Inversion 7pm 62F/9am 6pm 69F/10am
Dispersion 2 3
Max ADI Early 6 Very Poor 18 Gen Poor 9 Poor 27 Fair
Max ADI Late 5 Very Poor 27 Fair 9 Poor 32 Fair
Max LVORI Early 7 6 5 7
Max LVORI Late 9 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-190815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 50 100
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 55 (-11) 77 (+3) 62 77
RH % (24h trend) 99 (-1) 56 (-16) 99 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 8 G20 SW 5
Wind 20ft/late(mph) Lgt/Var SE 5 S 6 G19 SW 6
Precip Amount 0.00 0.00 0.04 0.48
Precip Duration 1 11
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 910 710
Mixing Hgt(ft-agl/msl) 3000 2330
Transport Wnd (mph) SE 9 W 17
Vent Rate (kt-ft) 24000 34950
Category Day 2 3
Inversion 7pm 59F/9am 6pm 65F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 20 Gen Poor 11 Poor 27 Fair
Max ADI Late 5 Very Poor 29 Fair 12 Poor 35 Fair
Max LVORI Early 7 6 4 8
Max LVORI Late 9 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-190815-
Fayette-
Including the city of Uniontown
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 58 (-10) 79 (+3) 64 78
RH % (24h trend) 98 (0) 59 (-15) 97 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.04 0.47
Precip Duration 1 11
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1130 740
Mixing Hgt(ft-agl/msl) 3710 2420
Transport Wnd (mph) S 7 SW 16
Vent Rate (kt-ft) 22260 33880
Category Day 2 3
Inversion 7pm 63F/9am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 16 Gen Poor 6 Very Poor 29 Fair
Max ADI Late 4 Very Poor 30 Fair 7 Poor 34 Fair
Max LVORI Early 6 6 5 6
Max LVORI Late 8 3 6 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-190815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 55 (-11) 78 (+5) 61 77
RH % (24h trend) 100 (+1) 56 (-18) 99 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03 0.46
Precip Duration 1 9
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1000 780
Mixing Hgt(ft-agl/msl) 3280 2560
Transport Wnd (mph) S 8 W 16
Vent Rate (kt-ft) 22960 35840
Category Day 3 3
Inversion 7pm 64F/10am 7pm 65F/9am
Dispersion 3 3
Max ADI Early 5 Very Poor 18 Gen Poor 7 Poor 31 Fair
Max ADI Late 6 Very Poor 31 Fair 6 Very Poor 35 Fair
Max LVORI Early 9 6 5 8
Max LVORI Late 9 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-190815-
Indiana-
Including the city of Indiana
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 100
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 52 (-13) 76 (+1) 62 76
RH % (24h trend) 97 (-1) 57 (-6) 100 88
Wind 20ft/early(mph) Lgt/Var E 5 SE 7 S 6
Wind 20ft/late(mph) Lgt/Var SE 5 SE 6 SW 6
Precip Amount 0.00 0.00 0.12 0.46
Precip Duration 2 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 930 700
Mixing Hgt(ft-agl/msl) 3060 2290
Transport Wnd (mph) S 9 SW 16
Vent Rate (kt-ft) 24480 32060
Category Day 2 3
Inversion 7pm 58F/9am 7pm 65F/9am
Dispersion 2 3
Max ADI Early 6 Very Poor 21 Fair 9 Poor 28 Fair
Max ADI Late 6 Very Poor 31 Fair 11 Poor 34 Fair
Max LVORI Early 7 5 4 8
Max LVORI Late 7 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-190815-
Higher Elevations of Indiana-
Including the city of Armagh
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 100
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 52 (-13) 75 (+1) 61 75
RH % (24h trend) 97 (-2) 57 (-9) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 8 G18 S 5
Wind 20ft/late(mph) Lgt/Var SE 5 SE 7 G18 SW 6
Precip Amount 0.00 0.00 0.08 0.46
Precip Duration 2 11
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 910 700
Mixing Hgt(ft-agl/msl) 2980 2300
Transport Wnd (mph) S 10 W 16
Vent Rate (kt-ft) 26820 32200
Category Day 3 3
Inversion 7pm 58F/9am 7pm 67F/10am
Dispersion 3 3
Max ADI Early 5 Very Poor 21 Fair 11 Poor 28 Fair
Max ADI Late 6 Very Poor 33 Fair 12 Poor 35 Fair
Max LVORI Early 7 5 4 8
Max LVORI Late 8 2 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-190815-
Hancock-
Including the city of Weirton
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 100
Chance of Thunder (%) 0 0 20 20
Temp (24h trend) 57 (-9) 78 (+2) 65 77
RH % (24h trend) 91 (-8) 57 (-3) 99 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.10 0.42
Precip Duration 1 12
Precip Begin 12 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 950 630
Mixing Hgt(ft-agl/msl) 3100 2060
Transport Wnd (mph) SE 8 W 13
Vent Rate (kt-ft) 21700 22660
Category Day 2 2
Inversion 8pm 66F/10am 7pm 69F/10am
Dispersion 2 2
Max ADI Early 5 Very Poor 16 Gen Poor 3 Very Poor 22 Fair
Max ADI Late 4 Very Poor 30 Fair 6 Very Poor 25 Fair
Max LVORI Early 5 5 5 8
Max LVORI Late 6 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-190815-
Brooke-
Including the cities of Follansbee and Wellsburg
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 57 (-10) 81 (+5) 65 78
RH % (24h trend) 93 (-7) 55 (-7) 98 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 6
Precip Amount 0.00 0.00 0.11 0.36
Precip Duration 2 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1020 660
Mixing Hgt(ft-agl/msl) 3350 2180
Transport Wnd (mph) SE 7 W 13
Vent Rate (kt-ft) 20100 23980
Category Day 2 2
Inversion 7pm 67F/10am 7pm 70F/10am
Dispersion 2 2
Max ADI Early 4 Very Poor 15 Gen Poor 4 Very Poor 22 Fair
Max ADI Late 4 Very Poor 27 Fair 7 Poor 27 Fair
Max LVORI Early 5 6 6 7
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-190815-
Ohio-
Including the city of Wheeling
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 58 (-9) 80 (+3) 65 79
RH % (24h trend) 94 (-6) 55 (-12) 99 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.16 0.39
Precip Duration 2 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1060 640
Mixing Hgt(ft-agl/msl) 3480 2090
Transport Wnd (mph) SE 5 W 13
Vent Rate (kt-ft) 13920 22990
Category Day 2 2
Inversion 7pm 68F/10am 7pm 68F/9am
Dispersion 2 2
Max ADI Early 4 Very Poor 15 Gen Poor 4 Very Poor 22 Fair
Max ADI Late 3 Very Poor 28 Fair 9 Poor 26 Fair
Max LVORI Early 6 6 6 7
Max LVORI Late 6 3 7 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-190815-
Marshall-
Including the city of Moundsville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 59 (-8) 82 (+5) 66 80
RH % (24h trend) 95 (-4) 59 (-14) 99 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.06 0.33
Precip Duration 1 9
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1160 730
Mixing Hgt(ft-agl/msl) 3790 2410
Transport Wnd (mph) S 6 SW 13
Vent Rate (kt-ft) 18950 26510
Category Day 2 3
Inversion 7pm 68F/10am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 13 Gen Poor 3 Very Poor 22 Fair
Max ADI Late 3 Very Poor 29 Fair 8 Poor 27 Fair
Max LVORI Early 6 6 6 7
Max LVORI Late 7 3 8 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-190815-
Wetzel-
Including the city of New Martinsville
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 59 (-9) 81 (+4) 65 80
RH % (24h trend) 98 (-2) 61 (-15) 99 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.05 0.36
Precip Duration 1 12
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1160 730
Mixing Hgt(ft-agl/msl) 3820 2410
Transport Wnd (mph) SW 5 SW 12
Vent Rate (kt-ft) 15280 24100
Category Day 2 2
Inversion 7pm 69F/10am 7pm 68F/9am
Dispersion 2 2
Max ADI Early 5 Very Poor 12 Poor 3 Very Poor 23 Fair
Max ADI Late 4 Very Poor 26 Fair 7 Poor 27 Fair
Max LVORI Early 6 7 7 8
Max LVORI Late 8 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-190815-
Marion-
Including the city of Fairmont
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 59 (-10) 80 (+4) 64 78
RH % (24h trend) 100 (+1) 64 (-14) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.02 0.45
Precip Duration 1 11
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1200 790
Mixing Hgt(ft-agl/msl) 3930 2590
Transport Wnd (mph) S 7 SW 13
Vent Rate (kt-ft) 23580 28490
Category Day 2 3
Inversion 7pm 69F/10am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 14 Gen Poor 3 Very Poor 27 Fair
Max ADI Late 3 Very Poor 30 Fair 5 Very Poor 30 Fair
Max LVORI Early 8 9 7 8
Max LVORI Late 9 3 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-190815-
Monongalia-
Including the city of Morgantown
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 58 (-10) 80 (+4) 64 78
RH % (24h trend) 100 (+1) 62 (-15) 99 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.02 0.41
Precip Duration 1 11
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1220 770
Mixing Hgt(ft-agl/msl) 4010 2530
Transport Wnd (mph) S 7 SW 14
Vent Rate (kt-ft) 24060 30360
Category Day 2 3
Inversion 6pm 64F/9am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 16 Gen Poor 4 Very Poor 29 Fair
Max ADI Late 3 Very Poor 32 Fair 5 Very Poor 31 Fair
Max LVORI Early 7 7 6 7
Max LVORI Late 9 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-190815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 57 (-10) 77 (+4) 62 76
RH % (24h trend) 100 (+1) 62 (-17) 99 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.48
Precip Duration 1 11
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1140 770
Mixing Hgt(ft-agl/msl) 3750 2530
Transport Wnd (mph) S 7 SW 14
Vent Rate (kt-ft) 22500 30360
Category Day 2 3
Inversion 7pm 66F/10am 7pm 66F/9am
Dispersion 2 3
Max ADI Early 5 Very Poor 16 Gen Poor 4 Very Poor 27 Fair
Max ADI Late 4 Very Poor 30 Fair 5 Very Poor 30 Fair
Max LVORI Early 9 6 6 7
Max LVORI Late 9 3 7 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-190815-
Preston-
Including the cities of Kingwood and Bruceton Mills
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mclear Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 56 (-11) 79 (+4) 62 77
RH % (24h trend) 100 (+1) 60 (-16) 98 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.01 0.41
Precip Duration 0 11
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1140 800
Mixing Hgt(ft-agl/msl) 3730 2630
Transport Wnd (mph) S 8 W 14
Vent Rate (kt-ft) 26110 31560
Category Day 3 3
Inversion 7pm 67F/10am 7pm 67F/9am
Dispersion 3 3
Max ADI Early 5 Very Poor 16 Gen Poor 4 Very Poor 26 Fair
Max ADI Late 4 Very Poor 29 Fair 4 Very Poor 32 Fair
Max LVORI Early 9 6 6 7
Max LVORI Late 9 3 7 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-190815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mclear Mcldy
Precip Type Showers None None Tstms
Chance Precip (%) 20 0 0 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 56 (-10) 78 (+5) 61 76
RH % (24h trend) 100 (0) 63 (-19) 99 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var W 5
Precip Amount 0.00 0.00 0.00 0.38
Precip Duration 1 11
Precip Begin 6 PM 6 AM
Precip End 11 PM Continuing
Mixing Hgt(m-agl/msl) 1080 800
Mixing Hgt(ft-agl/msl) 3550 2640
Transport Wnd (mph) S 8 W 15
Vent Rate (kt-ft) 24850 34320
Category Day 3 3
Inversion 7pm 64F/10am 7pm 65F/9am
Dispersion 3 3
Max ADI Early 5 Very Poor 17 Gen Poor 5 Very Poor 28 Fair
Max ADI Late 7 Poor 28 Fair 5 Very Poor 33 Fair
Max LVORI Early 9 6 6 7
Max LVORI Late 9 3 9 5
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-190815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Mclear Mcldy
Precip Type Showers Showers None Tstms
Chance Precip (%) 20 20 0 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 59 (-8) 80 (+4) 62 79
RH % (24h trend) 100 (0) 62 (-16) 98 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.47
Precip Duration 1 0 11
Precip Begin 6 PM 3 PM 6 AM
Precip End 11 PM 6 PM Continuing
Mixing Hgt(m-agl/msl) 1100 830
Mixing Hgt(ft-agl/msl) 3610 2720
Transport Wnd (mph) SW 7 W 13
Vent Rate (kt-ft) 21660 29920
Category Day 2 3
Inversion 7pm 65F/10am 7pm 65F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 18 Gen Poor 5 Very Poor 29 Fair
Max ADI Late 4 Very Poor 27 Fair 5 Very Poor 32 Fair
Max LVORI Early 9 9 7 7
Max LVORI Late 9 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-190815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1200 PM EDT Fri Sep 18 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Showers None None Tstms
Chance Precip (%) 30 0 0 90
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 55 (-10) 74 (+2) 57 74
RH % (24h trend) 100 (+1) 71 (-14) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.39
Precip Duration 1 10
Precip Begin 6 PM 6 AM
Precip End 2 AM Continuing
Mixing Hgt(m-agl/msl) 960 770
Mixing Hgt(ft-agl/msl) 3140 2510
Transport Wnd (mph) SW 8 W 16
Vent Rate (kt-ft) 21980 35140
Category Day 2 3
Inversion 7pm 62F/10am 7pm 64F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 16 Gen Poor 6 Very Poor 31 Fair
Max ADI Late 5 Very Poor 28 Fair 6 Very Poor 33 Fair
Max LVORI Early 9 8 7 7
Max LVORI Late 9 4 9 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy with a chance of showers. Lows in the
upper 50s. Highs in the upper 60s. North winds around 5 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 60s. East
winds 10 to 15 mph.
.WEDNESDAY...Breezy. Mostly cloudy with showers likely. Lows in
the mid 50s. Highs in the mid 60s. East winds 15 to 25 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows in the
lower 50s. Highs in the upper 60s. East winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Lows in the lower 50s. Highs in the
upper 60s. North winds 5 to 10 mph.
$$
Milcarek