Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
998
FNUS51 KPBZ 231704
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
104 PM EDT Thu Jul 23 2026
.DISCUSSION...
Cool, quiet and dry weather is expected today into the early
weekend. Shower and storm chances rise on Sunday into next week.
MinRH values in the 40s and 50s today with light winds preclude
fire weather concerns. Fire weather potential remains low into the
weekend.
OHZ039-240815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+2) 79 (+3) 61 82
RH % (24h trend) 91 (-7) 54 (+9) 100 49
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 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1410 1840
Mixing Hgt(ft-agl/msl) 4640 6050
Transport Wnd (mph) SE 7 W 9
Vent Rate (kt-ft) 27840 48400
Category Day 3 3
Inversion 8pm 68F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 22 Fair 4 Very Poor 21 Fair
Max ADI Late 4 Very Poor 36 Fair 3 Very Poor 65 Good
Max LVORI Early 4 5 6 9
Max LVORI Late 6 2 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-240815-
Carroll-
Including the cities of Carrollton and Malvern
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (+2) 79 (+3) 60 82
RH % (24h trend) 90 (-9) 52 (+8) 97 49
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1410 1880
Mixing Hgt(ft-agl/msl) 4630 6160
Transport Wnd (mph) SE 8 W 9
Vent Rate (kt-ft) 32410 49280
Category Day 3 3
Inversion 8pm 68F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 23 Fair 3 Very Poor 18 Gen Poor
Max ADI Late 5 Very Poor 42 Gen Good 3 Very Poor 68 Good
Max LVORI Early 4 5 5 8
Max LVORI Late 6 2 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-240815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (+1) 79 (+4) 60 82
RH % (24h trend) 91 (-7) 50 (+5) 96 50
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 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1390 1760
Mixing Hgt(ft-agl/msl) 4550 5760
Transport Wnd (mph) SE 9 W 8
Vent Rate (kt-ft) 36400 40320
Category Day 3 3
Inversion 8pm 68F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 27 Fair 4 Very Poor 21 Fair
Max ADI Late 4 Very Poor 40 Fair 4 Very Poor 58 Gen Good
Max LVORI Early 4 5 5 7
Max LVORI Late 6 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-240815-
Coshocton-
Including the city of Coshocton
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (+1) 79 (+3) 59 82
RH % (24h trend) 93 (-4) 56 (+10) 100 50
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1390 1760
Mixing Hgt(ft-agl/msl) 4570 5760
Transport Wnd (mph) SE 6 W 9
Vent Rate (kt-ft) 22850 46080
Category Day 3 3
Inversion 8pm 67F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 22 Fair 3 Very Poor 22 Fair
Max ADI Late 4 Very Poor 33 Fair 2 Very Poor 62 Good
Max LVORI Early 4 6 6 9
Max LVORI Late 6 2 10 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-240815-
Harrison-
Including the city of Cadiz
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+2) 80 (+3) 61 82
RH % (24h trend) 90 (-10) 54 (+11) 100 52
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 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1410 1850
Mixing Hgt(ft-agl/msl) 4640 6070
Transport Wnd (mph) SE 8 W 9
Vent Rate (kt-ft) 32480 48560
Category Day 3 3
Inversion 8pm 68F/10am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 17 Gen Poor 4 Very Poor 20 Gen Poor
Max ADI Late 5 Very Poor 42 Gen Good 3 Very Poor 66 Good
Max LVORI Early 4 5 6 9
Max LVORI Late 6 2 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-240815-
Jefferson OH-
Including the city of Steubenville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Showers
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+2) 80 (+4) 61 82
RH % (24h trend) 89 (-10) 51 (+9) 97 51
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1390 1890
Mixing Hgt(ft-agl/msl) 4540 6180
Transport Wnd (mph) SE 8 W 9
Vent Rate (kt-ft) 31780 49440
Category Day 3 3
Inversion 8pm 62F/9am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 22 Fair 4 Very Poor 22 Fair
Max ADI Late 4 Very Poor 40 Fair 3 Very Poor 68 Good
Max LVORI Early 4 5 5 7
Max LVORI Late 6 2 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-240815-
Muskingum-
Including the city of Zanesville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+2) 79 (+2) 60 82
RH % (24h trend) 93 (-5) 59 (+13) 100 51
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 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1380 1630
Mixing Hgt(ft-agl/msl) 4530 5360
Transport Wnd (mph) SE 6 W 8
Vent Rate (kt-ft) 22650 37520
Category Day 3 3
Inversion 8pm 68F/10am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 15 Gen Poor 3 Very Poor 19 Gen Poor
Max ADI Late 4 Very Poor 30 Fair 2 Very Poor 52 Gen Good
Max LVORI Early 5 6 7 9
Max LVORI Late 6 2 10 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-240815-
Guernsey-
Including the city of Cambridge
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+2) 80 (+3) 61 82
RH % (24h trend) 92 (-7) 60 (+14) 100 52
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1330 1760
Mixing Hgt(ft-agl/msl) 4380 5770
Transport Wnd (mph) SE 7 W 8
Vent Rate (kt-ft) 26280 40390
Category Day 2 3
Inversion 8pm 69F/10am 8pm 68F/9am
Dispersion 2 3
Max ADI Early 3 Very Poor 14 Gen Poor 3 Very Poor 21 Fair
Max ADI Late 4 Very Poor 32 Fair 3 Very Poor 56 Gen Good
Max LVORI Early 5 5 7 9
Max LVORI Late 6 3 10 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-240815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Showers
Chance Precip (%) 0 0 20 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (+2) 80 (+3) 62 82
RH % (24h trend) 89 (-10) 55 (+12) 100 53
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 0.00
Precip Duration 0 1
Precip Begin 11 PM 8 AM
Precip End 5 AM 6 PM
Mixing Hgt(m-agl/msl) 1380 1720
Mixing Hgt(ft-agl/msl) 4530 5630
Transport Wnd (mph) SE 7 SW 9
Vent Rate (kt-ft) 27180 45040
Category Day 3 3
Inversion 8pm 69F/10am 7pm 69F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 12 Poor 4 Very Poor 21 Fair
Max ADI Late 5 Very Poor 35 Fair 3 Very Poor 60 Gen Good
Max LVORI Early 4 5 6 9
Max LVORI Late 5 2 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-240815-
Noble-
Including the city of Caldwell
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (+2) 79 (+2) 61 82
RH % (24h trend) 90 (-9) 63 (+17) 100 54
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1310 1670
Mixing Hgt(ft-agl/msl) 4310 5480
Transport Wnd (mph) SE 7 W 8
Vent Rate (kt-ft) 25860 38360
Category Day 2 3
Inversion 8pm 73F/11am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 11 Poor 3 Very Poor 21 Fair
Max ADI Late 5 Very Poor 34 Fair 3 Very Poor 54 Gen Good
Max LVORI Early 4 5 8 9
Max LVORI Late 5 3 10 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-240815-
Monroe-
Including the city of Woodsfield
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Showers
Chance Precip (%) 0 0 20 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (+3) 80 (+3) 62 81
RH % (24h trend) 88 (-10) 62 (+17) 100 56
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 0.00
Precip Duration 1 1
Precip Begin 10 PM 8 AM
Precip End 3 AM 2 PM
Mixing Hgt(m-agl/msl) 1280 1710
Mixing Hgt(ft-agl/msl) 4190 5610
Transport Wnd (mph) SE 7 W 9
Vent Rate (kt-ft) 25140 44880
Category Day 2 3
Inversion 8pm 70F/10am 7pm 69F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 13 Gen Poor 3 Very Poor 16 Gen Poor
Max ADI Late 4 Very Poor 34 Fair 3 Very Poor 62 Good
Max LVORI Early 4 5 8 9
Max LVORI Late 5 3 9 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-240815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 49 (0) 79 (+5) 58 81
RH % (24h trend) 93 (-3) 47 (+1) 90 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1550 1630
Mixing Hgt(ft-agl/msl) 5090 5350
Transport Wnd (mph) SE 9 SW 9
Vent Rate (kt-ft) 40720 42800
Category Day 3 3
Inversion 8pm 68F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 28 Fair 7 Poor 26 Fair
Max ADI Late 4 Very Poor 48 Gen Good 6 Very Poor 55 Gen Good
Max LVORI Early 5 6 4 5
Max LVORI Late 6 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-240815-
Venango-
Including the cities of Oil City and Franklin
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 49 (+1) 79 (+5) 57 80
RH % (24h trend) 95 (-2) 47 (-1) 88 61
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 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1680 1450
Mixing Hgt(ft-agl/msl) 5530 4760
Transport Wnd (mph) SE 8 S 9
Vent Rate (kt-ft) 38710 38080
Category Day 3 3
Inversion 8pm 67F/10am 8pm 64F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 30 Fair 4 Very Poor 28 Fair
Max ADI Late 3 Very Poor 57 Gen Good 5 Very Poor 37 Fair
Max LVORI Early 5 6 4 5
Max LVORI Late 6 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-240815-
Forest-
Including the city of Tionesta
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 47 (+1) 79 (+5) 56 80
RH % (24h trend) 94 (-2) 41 (-3) 84 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1720 1560
Mixing Hgt(ft-agl/msl) 5650 5130
Transport Wnd (mph) SE 8 S 10
Vent Rate (kt-ft) 39550 46170
Category Day 3 3
Inversion 7pm 67F/10am 8pm 64F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 34 Fair 4 Very Poor 46 Gen Good
Max ADI Late 3 Very Poor 56 Gen Good 5 Very Poor 54 Gen Good
Max LVORI Early 5 6 4 4
Max LVORI Late 7 1 5 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-240815-
Lawrence-
Including the cities of New Castle and Ellwood City
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 50 (+1) 80 (+4) 59 82
RH % (24h trend) 94 (-2) 49 (+3) 92 54
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 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1450 1610
Mixing Hgt(ft-agl/msl) 4750 5290
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 38000 37030
Category Day 3 3
Inversion 8pm 68F/10am 8pm 67F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 31 Fair 5 Very Poor 24 Fair
Max ADI Late 4 Very Poor 47 Gen Good 5 Very Poor 57 Gen Good
Max LVORI Early 5 5 4 6
Max LVORI Late 6 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-240815-
Butler-
Including the city of Butler
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 50 (+2) 80 (+4) 58 81
RH % (24h trend) 95 (-3) 50 (+2) 91 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1550 1480
Mixing Hgt(ft-agl/msl) 5070 4840
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 40560 33880
Category Day 3 3
Inversion 8pm 68F/10am 8pm 66F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 30 Fair 5 Very Poor 27 Fair
Max ADI Late 4 Very Poor 51 Gen Good 4 Very Poor 36 Fair
Max LVORI Early 5 6 4 5
Max LVORI Late 7 2 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-240815-
Clarion-
Including the city of Clarion
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 49 (+2) 79 (+4) 57 80
RH % (24h trend) 93 (-3) 44 (-1) 84 57
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1670 1430
Mixing Hgt(ft-agl/msl) 5490 4700
Transport Wnd (mph) SE 9 S 9
Vent Rate (kt-ft) 43920 37600
Category Day 3 3
Inversion 8pm 67F/10am 7pm 65F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 37 Fair 4 Very Poor 36 Fair
Max ADI Late 4 Very Poor 60 Gen Good 6 Very Poor 44 Gen Good
Max LVORI Early 5 5 4 4
Max LVORI Late 6 1 4 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-240815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 49 (+2) 78 (+4) 57 79
RH % (24h trend) 90 (-7) 41 (-2) 80 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1710 1650
Mixing Hgt(ft-agl/msl) 5610 5400
Transport Wnd (mph) SE 8 S 9
Vent Rate (kt-ft) 39270 43200
Category Day 3 3
Inversion 8pm 67F/10am 8pm 65F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 39 Fair 5 Very Poor 49 Gen Good
Max ADI Late 3 Very Poor 56 Gen Good 5 Very Poor 56 Gen Good
Max LVORI Early 4 5 3 4
Max LVORI Late 6 1 4 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-240815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 52 (+1) 80 (+4) 61 82
RH % (24h trend) 90 (-8) 49 (+4) 91 53
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 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1500 1790
Mixing Hgt(ft-agl/msl) 4910 5860
Transport Wnd (mph) SE 8 SW 9
Vent Rate (kt-ft) 34370 46880
Category Day 3 3
Inversion 8pm 68F/10am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 28 Fair 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 44 Gen Good 4 Very Poor 61 Good
Max LVORI Early 4 5 3 6
Max LVORI Late 6 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-240815-
Allegheny-
Including the city of Pittsburgh Metro Area
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 53 (+1) 82 (+5) 62 82
RH % (24h trend) 89 (-8) 48 (+3) 87 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1550 1800
Mixing Hgt(ft-agl/msl) 5100 5890
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 40800 41230
Category Day 3 3
Inversion 8pm 70F/10am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 28 Fair 5 Very Poor 27 Fair
Max ADI Late 4 Very Poor 49 Gen Good 4 Very Poor 56 Gen Good
Max LVORI Early 3 5 3 5
Max LVORI Late 6 2 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-240815-
Armstrong-
Including the cities of Kittanning and Ford City
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 50 (+2) 82 (+6) 59 83
RH % (24h trend) 95 (-3) 46 (0) 86 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1630 1430
Mixing Hgt(ft-agl/msl) 5360 4680
Transport Wnd (mph) SE 9 S 9
Vent Rate (kt-ft) 42880 37440
Category Day 3 3
Inversion 8pm 68F/10am 7pm 67F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 33 Fair 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 55 Gen Good 5 Very Poor 52 Gen Good
Max LVORI Early 5 6 4 4
Max LVORI Late 7 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-240815-
Washington-
Including the cities of Washington and Canonsburg
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 54 (+3) 80 (+4) 61 81
RH % (24h trend) 85 (-11) 50 (+6) 91 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1450 1820
Mixing Hgt(ft-agl/msl) 4770 5980
Transport Wnd (mph) SE 9 SW 10
Vent Rate (kt-ft) 38160 53820
Category Day 3 4
Inversion 8pm 69F/10am 8pm 68F/9am
Dispersion 3 4
Max ADI Early 4 Very Poor 23 Fair 5 Very Poor 23 Fair
Max ADI Late 5 Very Poor 40 Fair 4 Very Poor 48 Gen Good
Max LVORI Early 3 4 4 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-240815-
Greene-
Including the city of Waynesburg
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 55 (+3) 80 (+4) 62 81
RH % (24h trend) 85 (-8) 55 (+7) 94 60
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 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1410 1700
Mixing Hgt(ft-agl/msl) 4620 5570
Transport Wnd (mph) SE 8 SW 10
Vent Rate (kt-ft) 32340 50130
Category Day 3 4
Inversion 8pm 70F/10am 8pm 68F/9am
Dispersion 3 4
Max ADI Early 4 Very Poor 22 Fair 5 Very Poor 23 Fair
Max ADI Late 4 Very Poor 41 Gen Good 4 Very Poor 61 Good
Max LVORI Early 3 5 5 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-240815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 52 (+2) 81 (+4) 61 82
RH % (24h trend) 94 (-5) 47 (+2) 84 58
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1490 1420
Mixing Hgt(ft-agl/msl) 4880 4650
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 39040 32550
Category Day 3 3
Inversion 7pm 70F/10am 7pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 30 Fair 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 48 Gen Good 5 Very Poor 41 Gen Good
Max LVORI Early 5 5 3 4
Max LVORI Late 6 2 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-240815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 52 (+1) 81 (+7) 59 81
RH % (24h trend) 86 (-13) 42 (-1) 84 54
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1550 1260
Mixing Hgt(ft-agl/msl) 5090 4140
Transport Wnd (mph) SE 10 S 9
Vent Rate (kt-ft) 45810 33120
Category Day 3 3
Inversion 7pm 68F/10am 7pm 66F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 39 Fair 5 Very Poor 37 Fair
Max ADI Late 4 Very Poor 56 Gen Good 6 Very Poor 46 Gen Good
Max LVORI Early 4 4 3 4
Max LVORI Late 5 1 4 2
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-240815-
Fayette-
Including the city of Uniontown
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 54 (+2) 80 (+4) 61 81
RH % (24h trend) 87 (-5) 51 (+5) 87 60
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1570 1530
Mixing Hgt(ft-agl/msl) 5160 5010
Transport Wnd (mph) SE 8 SW 8
Vent Rate (kt-ft) 36120 35070
Category Day 3 3
Inversion 7pm 71F/10am 7pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 25 Fair 5 Very Poor 24 Fair
Max ADI Late 4 Very Poor 49 Gen Good 4 Very Poor 41 Gen Good
Max LVORI Early 4 5 3 5
Max LVORI Late 5 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-240815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 30
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 52 (+2) 78 (+5) 58 79
RH % (24h trend) 84 (-12) 47 (+3) 89 59
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1490 1300
Mixing Hgt(ft-agl/msl) 4900 4270
Transport Wnd (mph) SE 10 S 8
Vent Rate (kt-ft) 44100 29890
Category Day 3 3
Inversion 7pm 68F/10am 7pm 65F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 30 Fair 5 Very Poor 26 Fair
Max ADI Late 4 Very Poor 58 Gen Good 5 Very Poor 39 Fair
Max LVORI Early 4 4 3 5
Max LVORI Late 5 1 5 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-240815-
Indiana-
Including the city of Indiana
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 51 (+2) 81 (+6) 59 81
RH % (24h trend) 93 (-5) 44 (-1) 83 55
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1660 1550
Mixing Hgt(ft-agl/msl) 5460 5070
Transport Wnd (mph) SE 9 S 9
Vent Rate (kt-ft) 43680 40560
Category Day 3 3
Inversion 7pm 69F/10am 7pm 66F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 39 Fair 5 Very Poor 37 Fair
Max ADI Late 4 Very Poor 55 Gen Good 5 Very Poor 53 Gen Good
Max LVORI Early 5 5 3 4
Max LVORI Late 6 1 4 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-240815-
Higher Elevations of Indiana-
Including the city of Armagh
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Clear Pcldy Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 52 (+2) 80 (+5) 59 80
RH % (24h trend) 86 (-14) 43 (0) 82 54
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1630 1400
Mixing Hgt(ft-agl/msl) 5340 4590
Transport Wnd (mph) SE 9 S 9
Vent Rate (kt-ft) 42720 36720
Category Day 3 3
Inversion 7pm 68F/10am 7pm 66F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 42 Gen Good 5 Very Poor 39 Fair
Max ADI Late 4 Very Poor 54 Gen Good 6 Very Poor 48 Gen Good
Max LVORI Early 4 4 3 4
Max LVORI Late 5 1 4 1
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-240815-
Hancock-
Including the city of Weirton
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 53 (+2) 80 (+4) 61 82
RH % (24h trend) 86 (-13) 50 (+7) 93 52
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1390 1840
Mixing Hgt(ft-agl/msl) 4550 6030
Transport Wnd (mph) SE 8 SW 8
Vent Rate (kt-ft) 31850 42210
Category Day 3 3
Inversion 8pm 62F/9am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 25 Fair 4 Very Poor 21 Fair
Max ADI Late 4 Very Poor 40 Fair 3 Very Poor 58 Gen Good
Max LVORI Early 3 5 4 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-240815-
Brooke-
Including the cities of Follansbee and Wellsburg
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 54 (+2) 80 (+3) 62 82
RH % (24h trend) 85 (-11) 51 (+9) 93 51
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 0.00
Precip Duration 0 1
Precip Begin 4 AM 7 AM
Precip End 6 AM 6 PM
Mixing Hgt(m-agl/msl) 1390 1840
Mixing Hgt(ft-agl/msl) 4570 6040
Transport Wnd (mph) SE 8 SW 9
Vent Rate (kt-ft) 31990 48320
Category Day 3 3
Inversion 8pm 63F/9am 8pm 68F/9am
Dispersion 3 3
Max ADI Early 3 Very Poor 22 Fair 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 38 Fair 4 Very Poor 70 Good
Max LVORI Early 3 4 4 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-240815-
Ohio-
Including the city of Wheeling
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 55 (+3) 80 (+4) 62 82
RH % (24h trend) 83 (-15) 53 (+10) 95 53
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1430 1860
Mixing Hgt(ft-agl/msl) 4700 6110
Transport Wnd (mph) SE 8 SW 9
Vent Rate (kt-ft) 32900 48880
Category Day 3 3
Inversion 8pm 70F/10am 7pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 19 Gen Poor 5 Very Poor 28 Fair
Max ADI Late 4 Very Poor 37 Fair 4 Very Poor 70 Good
Max LVORI Early 3 4 5 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-240815-
Marshall-
Including the city of Moundsville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Showers
Chance Precip (%) 0 0 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (+3) 81 (+5) 63 82
RH % (24h trend) 84 (-10) 59 (+12) 96 58
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 0.00
Precip Duration 0 1
Precip Begin 10 PM 7 AM
Precip End 3 AM 6 PM
Mixing Hgt(m-agl/msl) 1400 1750
Mixing Hgt(ft-agl/msl) 4600 5750
Transport Wnd (mph) SE 8 W 9
Vent Rate (kt-ft) 32200 46000
Category Day 3 3
Inversion 7pm 70F/10am 7pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 18 Gen Poor 4 Very Poor 18 Gen Poor
Max ADI Late 5 Very Poor 36 Fair 3 Very Poor 66 Good
Max LVORI Early 3 4 6 7
Max LVORI Late 4 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-240815-
Wetzel-
Including the city of New Martinsville
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Showers
Chance Precip (%) 0 0 30 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (+3) 78 (+3) 63 79
RH % (24h trend) 87 (-3) 66 (+15) 99 65
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1 1
Precip Begin 10 PM 7 AM
Precip End 2 AM 6 PM
Mixing Hgt(m-agl/msl) 1300 1630
Mixing Hgt(ft-agl/msl) 4270 5340
Transport Wnd (mph) SE 7 W 9
Vent Rate (kt-ft) 25620 42720
Category Day 2 3
Inversion 8pm 69F/10am 7pm 68F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 15 Gen Poor 4 Very Poor 15 Gen Poor
Max ADI Late 4 Very Poor 36 Fair 3 Very Poor 60 Gen Good
Max LVORI Early 3 5 7 8
Max LVORI Late 4 3 7 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-240815-
Marion-
Including the city of Fairmont
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 20
Chance of Thunder (%) 0 0 0 10
Temp (24h trend) 56 (+3) 79 (+4) 62 79
RH % (24h trend) 87 (-7) 63 (+13) 98 66
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 0.00
Precip Duration 0 1
Precip Begin 10 PM 7 AM
Precip End 12 AM 6 PM
Mixing Hgt(m-agl/msl) 1320 1520
Mixing Hgt(ft-agl/msl) 4330 4970
Transport Wnd (mph) SE 7 SW 9
Vent Rate (kt-ft) 25980 39760
Category Day 2 3
Inversion 7pm 70F/10am 7pm 67F/9am
Dispersion 2 3
Max ADI Early 4 Very Poor 19 Gen Poor 5 Very Poor 18 Gen Poor
Max ADI Late 4 Very Poor 32 Fair 3 Very Poor 54 Gen Good
Max LVORI Early 3 5 5 7
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-240815-
Monongalia-
Including the city of Morgantown
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 30
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 56 (+2) 79 (+4) 62 80
RH % (24h trend) 85 (-9) 58 (+9) 94 64
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0 1
Precip Begin 10 PM 7 AM
Precip End 1 AM 6 PM
Mixing Hgt(m-agl/msl) 1350 1550
Mixing Hgt(ft-agl/msl) 4420 5100
Transport Wnd (mph) SE 8 SW 9
Vent Rate (kt-ft) 30940 40800
Category Day 3 3
Inversion 7pm 70F/10am 7pm 68F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 23 Fair 5 Very Poor 21 Fair
Max ADI Late 3 Very Poor 43 Gen Good 4 Very Poor 38 Fair
Max LVORI Early 3 5 4 6
Max LVORI Late 5 3 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-240815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 40
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 53 (+1) 78 (+6) 60 77
RH % (24h trend) 83 (-12) 56 (+9) 92 65
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 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 1290 1430
Mixing Hgt(ft-agl/msl) 4230 4690
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 33840 32830
Category Day 3 3
Inversion 7pm 68F/10am 7pm 68F/10am
Dispersion 3 3
Max ADI Early 4 Very Poor 26 Fair 5 Very Poor 21 Fair
Max ADI Late 4 Very Poor 45 Gen Good 5 Very Poor 41 Gen Good
Max LVORI Early 3 4 4 6
Max LVORI Late 4 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-240815-
Preston-
Including the cities of Kingwood and Bruceton Mills
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 40
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 53 (+1) 78 (+4) 60 78
RH % (24h trend) 84 (-13) 53 (+8) 93 63
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1320 1400
Mixing Hgt(ft-agl/msl) 4330 4580
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 34640 32060
Category Day 3 3
Inversion 7pm 69F/10am 7pm 69F/10am
Dispersion 3 3
Max ADI Early 4 Very Poor 30 Fair 6 Very Poor 22 Fair
Max ADI Late 4 Very Poor 48 Gen Good 4 Very Poor 37 Fair
Max LVORI Early 4 4 4 6
Max LVORI Late 4 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-240815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 40
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 53 (+2) 76 (+4) 59 76
RH % (24h trend) 84 (-12) 56 (+9) 96 66
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1270 1290
Mixing Hgt(ft-agl/msl) 4180 4240
Transport Wnd (mph) SE 10 SW 8
Vent Rate (kt-ft) 37620 29680
Category Day 3 3
Inversion 7pm 66F/10am 7pm 64F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 35 Fair 6 Very Poor 22 Fair
Max ADI Late 5 Very Poor 53 Gen Good 6 Very Poor 37 Fair
Max LVORI Early 3 4 4 6
Max LVORI Late 4 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-240815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 40
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 55 (+2) 78 (+4) 60 78
RH % (24h trend) 85 (-7) 56 (+8) 95 65
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1190 1220
Mixing Hgt(ft-agl/msl) 3910 4020
Transport Wnd (mph) SE 9 SW 8
Vent Rate (kt-ft) 31280 28140
Category Day 3 3
Inversion 7pm 67F/10am 7pm 64F/9am
Dispersion 3 3
Max ADI Early 4 Very Poor 33 Fair 5 Very Poor 19 Gen Poor
Max ADI Late 4 Very Poor 45 Gen Good 5 Very Poor 37 Fair
Max LVORI Early 3 4 5 6
Max LVORI Late 5 2 6 3
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-240815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
104 PM EDT Thu Jul 23 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mcldy Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 50
Chance of Thunder (%) 0 0 0 20
Temp (24h trend) 50 (0) 74 (+4) 55 74
RH % (24h trend) 87 (-10) 61 (+9) 100 73
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var SE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1140 1010
Mixing Hgt(ft-agl/msl) 3740 3310
Transport Wnd (mph) SE 10 SW 7
Vent Rate (kt-ft) 33660 19860
Category Day 3 2
Inversion 8pm 59F/9am 8pm 61F/9am
Dispersion 3 2
Max ADI Early 5 Very Poor 33 Fair 7 Poor 22 Fair
Max ADI Late 5 Very Poor 44 Gen Good 6 Very Poor 30 Fair
Max LVORI Early 3 4 4 7
Max LVORI Late 5 3 7 4
Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms.
Patchy fog. Lows in the lower 60s. Highs in the lower 80s. Light
winds.
.MONDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers and thunderstorms. Lows in the mid 60s. Highs in the
mid 80s. Southwest winds 5 to 10 mph.
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Highs in the lower 80s.
West winds 10 to 15 mph.
.WEDNESDAY...Mostly cloudy. Lows in the lower 60s. Highs in the
upper 70s. Northwest winds 5 to 10 mph.
.THURSDAY...Partly cloudy. Lows around 60. Highs in the upper
70s. Northwest winds 5 to 10 mph.
$$
AK