Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
889
FNUS51 KPBZ 311702
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
102 PM EDT Fri Jul 31 2026
.DISCUSSION...
A disturbance moving into the area will bring overcast skies
tonight. By Saturday night, rain will move into the area. The
chance of showers/storms persisting through Sunday.
OHZ039-010830-
Tuscarawas-
Including the cities of New Philadelphia and Dover
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 40 40
Temp (24h trend) 65 (+7) 82 (-3) 65 79
RH % (24h trend) 85 (-12) 57 (+6) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 8
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 S 8
Precip Amount 0.00 0.00 0.25 0.35
Precip Duration 6 10
Precip Begin 7 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1300 970
Mixing Hgt(ft-agl/msl) 4270 3190
Transport Wnd (mph) S 13 S 14
Vent Rate (kt-ft) 15300 38280
Category Day 3 3
Inversion 8pm 73F/10am 7pm 68F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 19 Gen Poor 8 Poor 49 Gen Good
Max ADI Late 4 Very Poor 60 Gen Good 10 Poor 50 Gen Good
Max LVORI Early 5 4 5 8
Max LVORI Late 5 2 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-010830-
Carroll-
Including the cities of Carrollton and Malvern
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 100
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 64 (+6) 82 (-3) 65 79
RH % (24h trend) 82 (-16) 54 (+5) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 9 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 7 G17 S 9
Precip Amount 0.00 0.00 0.26 0.38
Precip Duration 6 11
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1450 1020
Mixing Hgt(ft-agl/msl) 4770 3340
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 10140 43420
Category Day 4 3
Inversion 8pm 73F/10am 7pm 69F/9am
Dispersion 4 3
Max ADI Early 3 Very Poor 19 Gen Poor 8 Poor 48 Gen Good
Max ADI Late 4 Very Poor 66 Good 11 Poor 50 Gen Good
Max LVORI Early 4 4 4 8
Max LVORI Late 5 2 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-010830-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 100
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 63 (+6) 82 (-3) 65 79
RH % (24h trend) 84 (-13) 52 (+4) 100 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 S 8
Precip Amount 0.00 0.00 0.35 0.48
Precip Duration 5 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1440 960
Mixing Hgt(ft-agl/msl) 4710 3150
Transport Wnd (mph) S 12 S 16
Vent Rate (kt-ft) 15310 44100
Category Day 3 3
Inversion 8pm 73F/10am 7pm 69F/9am
Dispersion 4 3
Max ADI Early 3 Very Poor 19 Gen Poor 8 Poor 54 Gen Good
Max ADI Late 3 Very Poor 61 Good 11 Poor 56 Gen Good
Max LVORI Early 4 4 4 8
Max LVORI Late 5 2 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-010830-
Coshocton-
Including the city of Coshocton
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 30 90 90
Chance of Thunder (%) 0 0 40 30
Temp (24h trend) 64 (+5) 81 (-4) 64 79
RH % (24h trend) 87 (-12) 64 (+11) 100 88
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 6
Wind 20ft/late(mph) Lgt/Var SE 5 SE 5 S 6
Precip Amount 0.00 0.01 0.30 0.40
Precip Duration 1 8 7
Precip Begin 2 PM 7 PM Continuing
Precip End 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 1040
Mixing Hgt(ft-agl/msl) 3400 3400
Transport Wnd (mph) S 13 SW 13
Vent Rate (kt-ft) 12910 37400
Category Day 3 3
Inversion 8pm 74F/11am 7pm 69F/9am
Dispersion 4 3
Max ADI Early 3 Very Poor 16 Gen Poor 9 Poor 39 Fair
Max ADI Late 4 Very Poor 47 Gen Good 8 Poor 46 Gen Good
Max LVORI Early 5 4 6 8
Max LVORI Late 6 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-010830-
Harrison-
Including the city of Cadiz
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 64 (+7) 82 (-3) 66 80
RH % (24h trend) 84 (-14) 56 (+9) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 7 G17 S 8 G17
Precip Amount 0.00 0.00 0.19 0.31
Precip Duration 6 11
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1240 1020
Mixing Hgt(ft-agl/msl) 4060 3330
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 10430 43290
Category Day 3 3
Inversion 8pm 73F/10am 7pm 69F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 19 Gen Poor 8 Poor 49 Gen Good
Max ADI Late 3 Very Poor 58 Gen Good 10 Poor 52 Gen Good
Max LVORI Early 5 4 4 8
Max LVORI Late 5 2 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-010830-
Jefferson OH-
Including the city of Steubenville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 100
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 64 (+7) 83 (-2) 66 79
RH % (24h trend) 84 (-15) 52 (+7) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 G17 S 8 G17
Precip Amount 0.00 0.00 0.23 0.36
Precip Duration 5 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1380 1040
Mixing Hgt(ft-agl/msl) 4540 3430
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 16420 44590
Category Day 4 3
Inversion 8pm 73F/10am 7pm 69F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 20 Gen Poor 7 Poor 49 Gen Good
Max ADI Late 3 Very Poor 62 Good 10 Poor 54 Gen Good
Max LVORI Early 4 5 4 8
Max LVORI Late 5 1 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-010830-
Muskingum-
Including the city of Zanesville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None Showers Tstms Tstms
Chance Precip (%) 0 20 90 90
Chance of Thunder (%) 0 0 40 30
Temp (24h trend) 64 (+5) 81 (-4) 65 79
RH % (24h trend) 85 (-13) 64 (+12) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 6
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var S 6
Precip Amount 0.00 0.00 0.25 0.42
Precip Duration 0 9 10
Precip Begin 2 PM 7 PM Continuing
Precip End 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1000 1160
Mixing Hgt(ft-agl/msl) 3300 3800
Transport Wnd (mph) S 13 SW 13
Vent Rate (kt-ft) 16360 41800
Category Day 3 3
Inversion 7pm 75F/11am 7pm 70F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 15 Gen Poor 8 Poor 39 Fair
Max ADI Late 4 Very Poor 49 Gen Good 8 Poor 48 Gen Good
Max LVORI Early 5 4 6 8
Max LVORI Late 5 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-010830-
Guernsey-
Including the city of Cambridge
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 40 40
Temp (24h trend) 64 (+6) 82 (-3) 66 80
RH % (24h trend) 87 (-12) 61 (+10) 100 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 7 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 5 S 7
Precip Amount 0.00 0.00 0.17 0.38
Precip Duration 6 10
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1130 1020
Mixing Hgt(ft-agl/msl) 3690 3360
Transport Wnd (mph) S 13 SW 13
Vent Rate (kt-ft) 8700 36960
Category Day 3 3
Inversion 8pm 76F/11am 7pm 69F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 16 Gen Poor 8 Poor 47 Gen Good
Max ADI Late 4 Very Poor 52 Gen Good 9 Poor 49 Gen Good
Max LVORI Early 5 4 5 8
Max LVORI Late 5 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-010830-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 64 (+6) 83 (-2) 67 80
RH % (24h trend) 86 (-11) 56 (+9) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 8 G18
Wind 20ft/late(mph) Lgt/Var S 5 S 7 G18 S 8 G17
Precip Amount 0.00 0.00 0.13 0.29
Precip Duration 5 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1160 950
Mixing Hgt(ft-agl/msl) 3800 3100
Transport Wnd (mph) S 13 S 14
Vent Rate (kt-ft) 12530 37200
Category Day 3 3
Inversion 8pm 74F/10am 7pm 70F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 17 Gen Poor 7 Poor 45 Gen Good
Max ADI Late 3 Very Poor 51 Gen Good 11 Poor 48 Gen Good
Max LVORI Early 5 5 5 8
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-010830-
Noble-
Including the city of Caldwell
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 63 (+5) 83 (-2) 66 80
RH % (24h trend) 86 (-13) 61 (+11) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 6 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 5 S 6
Precip Amount 0.00 0.00 0.13 0.31
Precip Duration 6 10
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1050 990
Mixing Hgt(ft-agl/msl) 3440 3240
Transport Wnd (mph) S 12 SW 13
Vent Rate (kt-ft) 10150 35640
Category Day 3 3
Inversion 7pm 75F/11am 7pm 69F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 13 Gen Poor 7 Poor 43 Gen Good
Max ADI Late 4 Very Poor 47 Gen Good 9 Poor 44 Gen Good
Max LVORI Early 5 5 6 8
Max LVORI Late 5 3 8 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-010830-
Monroe-
Including the city of Woodsfield
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 63 (+5) 83 (-2) 67 80
RH % (24h trend) 88 (-10) 60 (+10) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 6 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 5 G17 S 6
Precip Amount 0.00 0.00 0.13 0.30
Precip Duration 5 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1210 870
Mixing Hgt(ft-agl/msl) 3980 2850
Transport Wnd (mph) S 12 S 12
Vent Rate (kt-ft) 9470 28500
Category Day 3 3
Inversion 7pm 76F/11am 7pm 70F/8am
Dispersion 4 3
Max ADI Early 3 Very Poor 14 Gen Poor 6 Very Poor 38 Fair
Max ADI Late 3 Very Poor 49 Gen Good 8 Poor 39 Fair
Max LVORI Early 5 5 5 8
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-010830-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 100
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 63 (+7) 83 (-2) 64 78
RH % (24h trend) 84 (-11) 51 (+5) 100 85
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 9
Wind 20ft/late(mph) Lgt/Var SE 6 SE 7 S 9
Precip Amount 0.00 0.00 0.28 0.74
Precip Duration 3 12
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1140 920
Mixing Hgt(ft-agl/msl) 3730 3020
Transport Wnd (mph) S 12 S 18
Vent Rate (kt-ft) 21900 48320
Category Day 3 3
Inversion 8pm 74F/10am 7pm 68F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 23 Fair 8 Poor 44 Gen Good
Max ADI Late 5 Very Poor 50 Gen Good 12 Poor 46 Gen Good
Max LVORI Early 4 4 4 8
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-010830-
Venango-
Including the cities of Oil City and Franklin
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Cloudy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 60 (+5) 83 (-1) 63 77
RH % (24h trend) 88 (-8) 56 (+9) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 SE 7
Precip Amount 0.00 0.00 0.22 0.77
Precip Duration 3 12
Precip Begin 11 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1280 740
Mixing Hgt(ft-agl/msl) 4200 2430
Transport Wnd (mph) S 13 S 18
Vent Rate (kt-ft) 40450 38880
Category Day 3 3
Inversion 7pm 72F/10am 7pm 66F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 22 Fair 7 Poor 43 Gen Good
Max ADI Late 4 Very Poor 60 Gen Good 10 Poor 49 Gen Good
Max LVORI Early 5 5 3 8
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-010830-
Forest-
Including the city of Tionesta
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 58 (+5) 83 (0) 63 76
RH % (24h trend) 87 (-9) 52 (+8) 99 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 5 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var SE 6 G17
Precip Amount 0.00 0.00 0.13 0.76
Precip Duration 2 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1500 730
Mixing Hgt(ft-agl/msl) 4910 2390
Transport Wnd (mph) S 13 S 17
Vent Rate (kt-ft) 51760 35850
Category Day 4 3
Inversion 7pm 72F/10am 7pm 66F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 25 Fair 8 Poor 42 Gen Good
Max ADI Late 4 Very Poor 68 Good 9 Poor 49 Gen Good
Max LVORI Early 5 5 3 7
Max LVORI Late 6 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-010830-
Lawrence-
Including the cities of New Castle and Ellwood City
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Cloudy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 100
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 62 (+6) 84 (-2) 64 79
RH % (24h trend) 84 (-12) 51 (+6) 100 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 8
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 S 8
Precip Amount 0.00 0.00 0.33 0.63
Precip Duration 4 12
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1190 850
Mixing Hgt(ft-agl/msl) 3920 2800
Transport Wnd (mph) S 13 S 17
Vent Rate (kt-ft) 20020 42000
Category Day 3 3
Inversion 8pm 74F/10am 7pm 69F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 20 Gen Poor 8 Poor 46 Gen Good
Max ADI Late 4 Very Poor 48 Gen Good 11 Poor 51 Gen Good
Max LVORI Early 4 4 4 8
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-010830-
Butler-
Including the city of Butler
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 60 (+5) 84 (-1) 64 79
RH % (24h trend) 87 (-10) 53 (+8) 100 87
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 SE 8
Precip Amount 0.00 0.00 0.16 0.64
Precip Duration 3 12
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1380 780
Mixing Hgt(ft-agl/msl) 4540 2550
Transport Wnd (mph) S 13 S 18
Vent Rate (kt-ft) 32420 40800
Category Day 4 3
Inversion 8pm 73F/10am 7pm 67F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 18 Gen Poor 8 Poor 36 Fair
Max ADI Late 3 Very Poor 62 Good 11 Poor 51 Gen Good
Max LVORI Early 4 5 4 8
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-010830-
Clarion-
Including the city of Clarion
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 59 (+5) 83 (0) 64 77
RH % (24h trend) 87 (-8) 53 (+8) 99 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 5 SE 7 G17
Precip Amount 0.00 0.00 0.09 0.82
Precip Duration 1 12
Precip Begin 1 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1460 780
Mixing Hgt(ft-agl/msl) 4780 2560
Transport Wnd (mph) S 13 S 18
Vent Rate (kt-ft) 40910 40960
Category Day 4 3
Inversion 7pm 72F/10am 8pm 67F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 26 Fair 8 Poor 37 Fair
Max ADI Late 3 Very Poor 68 Good 11 Poor 54 Gen Good
Max LVORI Early 5 4 3 7
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-010830-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 59 (+5) 82 (+1) 64 76
RH % (24h trend) 86 (-10) 52 (+6) 99 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 SE 8 G18
Precip Amount 0.00 0.00 0.05 0.71
Precip Duration 1 12
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1540 750
Mixing Hgt(ft-agl/msl) 5050 2470
Transport Wnd (mph) S 14 S 18
Vent Rate (kt-ft) 47040 39520
Category Day 4 3
Inversion 7pm 72F/10am 7pm 67F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 29 Fair 8 Poor 36 Fair
Max ADI Late 4 Very Poor 75 Good 11 Poor 51 Gen Good
Max LVORI Early 4 4 3 6
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-010830-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Cloudy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 63 (+6) 84 (-2) 66 79
RH % (24h trend) 83 (-12) 50 (+5) 99 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 S 7
Precip Amount 0.00 0.00 0.25 0.55
Precip Duration 4 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1430 830
Mixing Hgt(ft-agl/msl) 4680 2730
Transport Wnd (mph) S 12 S 15
Vent Rate (kt-ft) 27350 35490
Category Day 3 3
Inversion 8pm 74F/10am 7pm 70F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 19 Gen Poor 8 Poor 44 Gen Good
Max ADI Late 3 Very Poor 60 Gen Good 9 Poor 45 Gen Good
Max LVORI Early 3 4 3 8
Max LVORI Late 5 1 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-010830-
Allegheny-
Including the city of Pittsburgh Metro Area
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 62 (+5) 86 (+1) 67 80
RH % (24h trend) 85 (-8) 51 (+7) 99 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 8
Wind 20ft/late(mph) Lgt/Var S 6 SE 7 G17 S 9
Precip Amount 0.00 0.00 0.11 0.72
Precip Duration 3 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1430 930
Mixing Hgt(ft-agl/msl) 4690 3060
Transport Wnd (mph) S 12 S 16
Vent Rate (kt-ft) 38290 42840
Category Day 3 3
Inversion 8pm 75F/10am 8pm 69F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 24 Fair 8 Poor 33 Fair
Max ADI Late 3 Very Poor 61 Good 11 Poor 43 Gen Good
Max LVORI Early 3 5 3 7
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-010830-
Armstrong-
Including the cities of Kittanning and Ford City
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 60 (+6) 86 (+2) 65 80
RH % (24h trend) 87 (-11) 53 (+7) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 SE 8 G17
Precip Amount 0.00 0.00 0.06 0.79
Precip Duration 1 12
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1450 800
Mixing Hgt(ft-agl/msl) 4760 2640
Transport Wnd (mph) S 13 S 18
Vent Rate (kt-ft) 41630 42240
Category Day 4 3
Inversion 7pm 74F/10am 8pm 69F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 22 Fair 8 Poor 31 Fair
Max ADI Late 3 Very Poor 66 Good 11 Poor 52 Gen Good
Max LVORI Early 5 5 3 7
Max LVORI Late 6 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-010830-
Washington-
Including the cities of Washington and Canonsburg
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 62 (+6) 83 (-1) 67 79
RH % (24h trend) 86 (-8) 53 (+7) 99 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 8 G17
Wind 20ft/late(mph) Lgt/Var S 6 SE 7 G17 S 9
Precip Amount 0.00 0.00 0.10 0.54
Precip Duration 3 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1350 890
Mixing Hgt(ft-agl/msl) 4430 2900
Transport Wnd (mph) S 12 S 16
Vent Rate (kt-ft) 42830 40600
Category Day 3 3
Inversion 8pm 74F/10am 7pm 69F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 23 Fair 9 Poor 39 Fair
Max ADI Late 3 Very Poor 57 Gen Good 10 Poor 44 Gen Good
Max LVORI Early 3 5 3 7
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-010830-
Greene-
Including the city of Waynesburg
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 20 50
Temp (24h trend) 61 (+5) 83 (0) 67 79
RH % (24h trend) 89 (-3) 59 (+9) 98 84
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 7 G17
Wind 20ft/late(mph) Lgt/Var S 5 S 6 G17 S 7
Precip Amount 0.00 0.00 0.06 0.53
Precip Duration 2 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1510 870
Mixing Hgt(ft-agl/msl) 4950 2850
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 33130 37050
Category Day 4 3
Inversion 8pm 74F/10am 7pm 69F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 28 Fair 8 Poor 38 Fair
Max ADI Late 3 Very Poor 69 Good 11 Poor 46 Gen Good
Max LVORI Early 4 5 4 6
Max LVORI Late 6 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-010830-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 60 (+5) 85 (+1) 67 80
RH % (24h trend) 88 (-10) 53 (+7) 97 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 6 SE 8
Wind 20ft/late(mph) Lgt/Var S 6 SE 8 G17 SE 9 G17
Precip Amount 0.00 0.00 0.04 0.67
Precip Duration 1 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1460 890
Mixing Hgt(ft-agl/msl) 4800 2940
Transport Wnd (mph) S 12 S 18
Vent Rate (kt-ft) 42040 47040
Category Day 3 3
Inversion 7pm 76F/10am 7pm 71F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 27 Fair 11 Poor 31 Fair
Max ADI Late 3 Very Poor 62 Good 12 Poor 48 Gen Good
Max LVORI Early 4 5 3 6
Max LVORI Late 6 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-010830-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 59 (+4) 85 (+4) 65 80
RH % (24h trend) 86 (-12) 50 (+3) 97 77
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 G18 SE 8 G19
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 8 G20 SE 9 G18
Precip Amount 0.00 0.00 0.07 0.52
Precip Duration 1 10
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1560 830
Mixing Hgt(ft-agl/msl) 5110 2730
Transport Wnd (mph) S 13 S 22
Vent Rate (kt-ft) 45880 51870
Category Day 4 4
Inversion 7pm 74F/10am 7pm 70F/10am
Dispersion 5 4
Max ADI Early 2 Very Poor 34 Fair 11 Poor 35 Fair
Max ADI Late 5 Very Poor 68 Good 12 Poor 64 Good
Max LVORI Early 4 4 3 6
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-010830-
Fayette-
Including the city of Uniontown
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 61 (+5) 85 (+2) 67 80
RH % (24h trend) 87 (-10) 55 (+6) 94 81
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 6
Wind 20ft/late(mph) Lgt/Var S 5 SE 6 S 7
Precip Amount 0.00 0.00 0.03 0.50
Precip Duration 1 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1490 1020
Mixing Hgt(ft-agl/msl) 4890 3340
Transport Wnd (mph) S 13 S 16
Vent Rate (kt-ft) 42850 46760
Category Day 4 3
Inversion 7pm 75F/10am 7pm 71F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 33 Fair 11 Poor 35 Fair
Max ADI Late 3 Very Poor 67 Good 11 Poor 54 Gen Good
Max LVORI Early 4 4 3 6
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-010830-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 58 (+4) 83 (+3) 64 79
RH % (24h trend) 87 (-10) 52 (+4) 97 76
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 G17 SE 6
Precip Amount 0.00 0.00 0.03 0.54
Precip Duration 0 10
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1680 910
Mixing Hgt(ft-agl/msl) 5500 2980
Transport Wnd (mph) S 13 S 17
Vent Rate (kt-ft) 31360 44700
Category Day 4 3
Inversion 7pm 73F/10am 7pm 68F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 37 Fair 10 Poor 33 Fair
Max ADI Late 5 Very Poor 77 Good 10 Poor 55 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-010830-
Indiana-
Including the city of Indiana
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 30 40
Temp (24h trend) 60 (+6) 85 (+3) 66 79
RH % (24h trend) 87 (-11) 52 (+4) 98 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 G17 SE 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 7 G17 SE 9 G18
Precip Amount 0.00 0.00 0.05 0.64
Precip Duration 1 12
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1540 810
Mixing Hgt(ft-agl/msl) 5060 2670
Transport Wnd (mph) S 12 S 20
Vent Rate (kt-ft) 46240 45390
Category Day 3 3
Inversion 7pm 74F/10am 7pm 69F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 27 Fair 11 Poor 34 Fair
Max ADI Late 4 Very Poor 68 Good 12 Poor 53 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-010830-
Higher Elevations of Indiana-
Including the city of Armagh
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 80
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 60 (+5) 84 (+3) 66 78
RH % (24h trend) 84 (-13) 52 (+4) 96 79
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 G18 SE 8 G18
Wind 20ft/late(mph) Lgt/Var S 5 SE 8 G18 SE 9 G19
Precip Amount 0.00 0.00 0.05 0.64
Precip Duration 1 10
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1470 760
Mixing Hgt(ft-agl/msl) 4810 2490
Transport Wnd (mph) S 12 S 22
Vent Rate (kt-ft) 50960 47310
Category Day 3 3
Inversion 7pm 74F/10am 7pm 69F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 28 Fair 11 Poor 36 Fair
Max ADI Late 5 Very Poor 64 Good 12 Poor 61 Good
Max LVORI Early 4 4 3 6
Max LVORI Late 5 1 4 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-010830-
Hancock-
Including the city of Weirton
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 90 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 64 (+7) 83 (-2) 67 79
RH % (24h trend) 82 (-17) 52 (+6) 99 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 7
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 S 7
Precip Amount 0.00 0.00 0.25 0.42
Precip Duration 5 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1420 980
Mixing Hgt(ft-agl/msl) 4660 3220
Transport Wnd (mph) S 12 S 14
Vent Rate (kt-ft) 16410 38640
Category Day 3 3
Inversion 8pm 73F/10am 7pm 69F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 21 Fair 7 Poor 50 Gen Good
Max ADI Late 3 Very Poor 62 Good 9 Poor 51 Gen Good
Max LVORI Early 3 4 3 8
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-010830-
Brooke-
Including the cities of Follansbee and Wellsburg
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 64 (+7) 84 (-2) 67 80
RH % (24h trend) 81 (-13) 51 (+8) 97 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 SE 7 G17 S 8
Precip Amount 0.00 0.00 0.12 0.35
Precip Duration 4 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1280 970
Mixing Hgt(ft-agl/msl) 4210 3180
Transport Wnd (mph) S 12 S 15
Vent Rate (kt-ft) 20810 41340
Category Day 3 3
Inversion 8pm 74F/10am 7pm 70F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 23 Fair 7 Poor 46 Gen Good
Max ADI Late 3 Very Poor 55 Gen Good 9 Poor 53 Gen Good
Max LVORI Early 3 4 3 6
Max LVORI Late 4 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-010830-
Ohio-
Including the city of Wheeling
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 64 (+6) 83 (-2) 67 80
RH % (24h trend) 83 (-14) 55 (+9) 100 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 8 G17
Wind 20ft/late(mph) Lgt/Var S 5 S 7 G18 S 8
Precip Amount 0.00 0.00 0.11 0.31
Precip Duration 4 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1190 980
Mixing Hgt(ft-agl/msl) 3920 3200
Transport Wnd (mph) S 12 S 16
Vent Rate (kt-ft) 18070 44800
Category Day 3 3
Inversion 8pm 74F/10am 7pm 70F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 21 Fair 8 Poor 46 Gen Good
Max ADI Late 3 Very Poor 53 Gen Good 10 Poor 56 Gen Good
Max LVORI Early 4 4 4 7
Max LVORI Late 5 1 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-010830-
Marshall-
Including the city of Moundsville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 80 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 63 (+5) 84 (0) 68 80
RH % (24h trend) 85 (-6) 61 (+11) 100 89
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 S 7 G18
Wind 20ft/late(mph) Lgt/Var Lgt/Var S 7 G18 S 7
Precip Amount 0.00 0.00 0.09 0.34
Precip Duration 4 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1220 890
Mixing Hgt(ft-agl/msl) 3990 2920
Transport Wnd (mph) S 12 S 13
Vent Rate (kt-ft) 17590 32120
Category Day 3 3
Inversion 7pm 74F/10am 7pm 70F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 22 Fair 7 Poor 40 Fair
Max ADI Late 3 Very Poor 48 Gen Good 10 Poor 45 Gen Good
Max LVORI Early 4 4 4 6
Max LVORI Late 5 2 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-010830-
Wetzel-
Including the city of New Martinsville
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 70 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 62 (+5) 82 (-1) 68 78
RH % (24h trend) 88 (-3) 64 (+11) 100 89
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var S 5 G17
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 G18 S 5
Precip Amount 0.00 0.00 0.08 0.41
Precip Duration 2 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1310 880
Mixing Hgt(ft-agl/msl) 4310 2890
Transport Wnd (mph) S 12 S 14
Vent Rate (kt-ft) 23340 34680
Category Day 3 3
Inversion 7pm 73F/10am 7pm 70F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 23 Fair 7 Poor 40 Fair
Max ADI Late 3 Very Poor 57 Gen Good 9 Poor 43 Gen Good
Max LVORI Early 4 5 4 6
Max LVORI Late 6 3 6 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-010830-
Marion-
Including the city of Fairmont
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 20 50
Temp (24h trend) 61 (+5) 83 (+1) 67 79
RH % (24h trend) 91 (-4) 60 (+8) 98 86
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 5
Wind 20ft/late(mph) Lgt/Var S 5 SE 5 S 6
Precip Amount 0.00 0.00 0.05 0.55
Precip Duration 1 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1560 960
Mixing Hgt(ft-agl/msl) 5110 3150
Transport Wnd (mph) S 13 S 14
Vent Rate (kt-ft) 31730 37800
Category Day 4 3
Inversion 7pm 74F/10am 7pm 71F/9am
Dispersion 5 3
Max ADI Early 3 Very Poor 29 Fair 9 Poor 39 Fair
Max ADI Late 3 Very Poor 73 Good 8 Poor 46 Gen Good
Max LVORI Early 5 5 4 7
Max LVORI Late 6 3 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-010830-
Monongalia-
Including the city of Morgantown
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 60 90
Chance of Thunder (%) 0 0 30 50
Temp (24h trend) 61 (+5) 83 (+1) 68 79
RH % (24h trend) 88 (-4) 60 (+9) 97 82
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 SE 6
Wind 20ft/late(mph) Lgt/Var S 5 S 6 S 6
Precip Amount 0.00 0.00 0.05 0.50
Precip Duration 1 12
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1580 930
Mixing Hgt(ft-agl/msl) 5180 3040
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 31480 39520
Category Day 4 3
Inversion 7pm 74F/10am 7pm 71F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 30 Fair 9 Poor 34 Fair
Max ADI Late 3 Very Poor 74 Good 10 Poor 47 Gen Good
Max LVORI Early 4 5 3 6
Max LVORI Late 6 2 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-010830-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 90
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 60 (+5) 82 (+3) 65 77
RH % (24h trend) 88 (-9) 59 (+7) 97 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 6 S 5
Precip Amount 0.00 0.00 0.04 0.50
Precip Duration 0 12
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1530 910
Mixing Hgt(ft-agl/msl) 5010 2990
Transport Wnd (mph) S 13 S 15
Vent Rate (kt-ft) 29220 38870
Category Day 4 3
Inversion 7pm 73F/10am 7pm 69F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 32 Fair 9 Poor 37 Fair
Max ADI Late 5 Very Poor 70 Good 11 Poor 48 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 2 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-010830-
Preston-
Including the cities of Kingwood and Bruceton Mills
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 90
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 59 (+4) 83 (+3) 66 78
RH % (24h trend) 88 (-11) 56 (+5) 96 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 5 SE 5
Precip Amount 0.00 0.00 0.03 0.56
Precip Duration 0 11
Precip Begin 4 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1570 950
Mixing Hgt(ft-agl/msl) 5140 3130
Transport Wnd (mph) S 13 S 16
Vent Rate (kt-ft) 27570 43820
Category Day 4 3
Inversion 7pm 74F/10am 7pm 69F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 38 Fair 8 Poor 36 Fair
Max ADI Late 4 Very Poor 70 Good 10 Poor 50 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 2 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-010830-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 80
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 60 (+5) 81 (+3) 64 77
RH % (24h trend) 86 (-12) 56 (+2) 99 80
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 5 G17 SE 6
Wind 20ft/late(mph) Lgt/Var Lgt/Var SE 7 G19 SE 6
Precip Amount 0.00 0.00 0.01 0.49
Precip Duration 0 11
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1600 950
Mixing Hgt(ft-agl/msl) 5260 3110
Transport Wnd (mph) S 13 S 17
Vent Rate (kt-ft) 32400 46650
Category Day 4 3
Inversion 7pm 72F/10am 7pm 67F/9am
Dispersion 5 3
Max ADI Early 2 Very Poor 43 Gen Good 11 Poor 35 Fair
Max ADI Late 5 Very Poor 74 Good 13 Gen Poor 53 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 2 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-010830-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 40 80
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 61 (+5) 84 (+4) 66 79
RH % (24h trend) 86 (-9) 51 (+1) 94 74
Wind 20ft/early(mph) Lgt/Var Lgt/Var SE 6 G19 SE 6 G18
Wind 20ft/late(mph) Lgt/Var Lgt/Var S 7 G21 S 6
Precip Amount 0.00 0.00 0.02 0.33
Precip Duration 1 11
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1470 980
Mixing Hgt(ft-agl/msl) 4840 3230
Transport Wnd (mph) S 14 S 17
Vent Rate (kt-ft) 28770 48450
Category Day 4 3
Inversion 7pm 73F/10am 7pm 68F/8am
Dispersion 5 3
Max ADI Early 2 Very Poor 46 Gen Good 11 Poor 37 Fair
Max ADI Late 5 Very Poor 67 Good 15 Gen Poor 57 Gen Good
Max LVORI Early 5 4 3 6
Max LVORI Late 5 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-010830-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
102 PM EDT Fri Jul 31 2026
Tonight Sat Sat Night Sun
Cloud Cover Pcldy Mcldy Mcldy Mcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 57 (+5) 79 (+3) 60 75
RH % (24h trend) 84 (-11) 53 (0) 100 83
Wind 20ft/early(mph) Lgt/Var Lgt/Var S 6 G22 S 7 G21
Wind 20ft/late(mph) Lgt/Var S 5 S 8 G23 SE 6 G19
Precip Amount 0.00 0.00 0.00 0.30
Precip Duration 8
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1590 900
Mixing Hgt(ft-agl/msl) 5210 2940
Transport Wnd (mph) S 16 S 17
Vent Rate (kt-ft) 80320 44100
Category Day 4 3
Inversion 8pm 66F/9am 8pm 64F/8am
Dispersion 5 3
Max ADI Early 3 Very Poor 57 Gen Good 12 Poor 41 Gen Good
Max ADI Late 6 Very Poor 89 Good 15 Gen Poor 55 Gen Good
Max LVORI Early 5 4 4 7
Max LVORI Late 5 1 5 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Highs in the upper 70s.
Southeast winds around 5 mph.
.TUESDAY...Mostly cloudy. A chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 80s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Showers likely. Lows in the mid 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. Southwest winds 5 to
10 mph.
.FRIDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. Southwest winds
around 5 mph.
$$
Lupo