Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA

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590
FNUS51 KPBZ 191603
FWFPBZ

Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1203 PM EDT Sat Sep 19 2026

.DISCUSSION...
Rounds of showers and storms will continue through the middle of
next week on an already saturated ground. Easterly wind will ramp
up into next week and persist around 10-15 mph gusting to 20 mph.

OHZ039-200815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           50           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      64 (+7)      77 (-2)      53           67
RH % (24h trend)      100 (+5)     80 (+16)     97           64
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      N  8 G17     NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      W  5         NE  7        NE  9 G17
Precip Amount         0.24         0.32         0.21         0.02
Precip Duration       4            8            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   2 PM
Mixing Hgt(m-agl/msl)              700                       770
Mixing Hgt(ft-agl/msl)             2300                      2530
Transport Wnd (mph)                W  9                      NE 15
Vent Rate (kt-ft)                  18400                     32890
Category Day                       2                         3
Inversion             6pm          70F/10am     7pm          58F/4am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  16 Gen Poor  13 Gen Poor  26 Fair
Max ADI Late          6 Very Poor  18 Gen Poor  12 Poor      33 Fair
Max LVORI Early       7            8            6            5
Max LVORI Late        9            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ040-200815-
Carroll-
Including the cities of Carrollton and Malvern
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           50           30
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      63 (+7)      76 (-2)      52           66
RH % (24h trend)      100 (+5)     81 (+16)     95           63
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  8 G17     NE  9 G17
Wind 20ft/late(mph)   Lgt/Var      W  7         NE  8        NE  9 G17
Precip Amount         0.24         0.34         0.16         0.01
Precip Duration       4            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   2 PM
Mixing Hgt(m-agl/msl)              610                       810
Mixing Hgt(ft-agl/msl)             1990                      2670
Transport Wnd (mph)                W 10                      NE 16
Vent Rate (kt-ft)                  17910                     37380
Category Day                       2                         3
Inversion             7pm          70F/10am     8pm          57F/4am
Dispersion                         2                         3
Max ADI Early         4 Very Poor  17 Gen Poor  15 Gen Poor  27 Fair
Max ADI Late          7 Poor       20 Gen Poor  12 Poor      35 Fair
Max LVORI Early       6            7            5            5
Max LVORI Late        9            4            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ041-200815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           50           30
Chance of Thunder (%) 20           30           10           0
Temp (24h trend)      62 (+6)      75 (-1)      52           66
RH % (24h trend)      100 (+5)     81 (+14)     93           61
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  8 G17     NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  8
Precip Amount         0.21         0.40         0.08         0.00
Precip Duration       4            8            1            1
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   2 PM
Mixing Hgt(m-agl/msl)              580                       810
Mixing Hgt(ft-agl/msl)             1920                      2640
Transport Wnd (mph)                NW  9                     NE 15
Vent Rate (kt-ft)                  15360                     34320
Category Day                       2                         3
Inversion             7pm          68F/9am      9pm          57F/4am
Dispersion                         2                         3
Max ADI Early         4 Very Poor  19 Gen Poor  12 Poor      28 Fair
Max ADI Late          7 Poor       22 Fair      13 Gen Poor  33 Fair
Max LVORI Early       6            7            5            4
Max LVORI Late        8            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ048-200815-
Coshocton-
Including the city of Coshocton
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           80           60           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      63 (+6)      78 (-1)      53           67
RH % (24h trend)      100 (+3)     80 (+12)     98           68
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      N  6 G17     NE  7
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  6        NE  8 G17
Precip Amount         0.20         0.28         0.26         0.02
Precip Duration       4            8            3            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              770                       700
Mixing Hgt(ft-agl/msl)             2530                      2280
Transport Wnd (mph)                W  9                      NE 14
Vent Rate (kt-ft)                  20240                     27360
Category Day                       2                         3
Inversion             7pm          71F/10am     7pm          58F/5am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  14 Gen Poor  12 Poor      25 Fair
Max ADI Late          5 Very Poor  20 Gen Poor  11 Poor      28 Fair
Max LVORI Early       9            9            7            5
Max LVORI Late        9            5            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ049-200815-
Harrison-
Including the city of Cadiz
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           50           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      64 (+7)      78 (-2)      53           67
RH % (24h trend)      100 (+3)     79 (+17)     100          64
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  7         NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      W  5         NE  7        NE  9 G17
Precip Amount         0.17         0.33         0.30         0.02
Precip Duration       4            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              710                       800
Mixing Hgt(ft-agl/msl)             2310                      2610
Transport Wnd (mph)                W 10                      NE 15
Vent Rate (kt-ft)                  20790                     33930
Category Day                       2                         3
Inversion             7pm          72F/11am     7pm          55F/8am
Dispersion                         2                         3
Max ADI Early         4 Very Poor  16 Gen Poor  12 Poor      26 Fair
Max ADI Late          6 Very Poor  20 Gen Poor  12 Poor      33 Fair
Max LVORI Early       7            8            8            5
Max LVORI Late        8            4            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ050-200815-
Jefferson OH-
Including the city of Steubenville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           50           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      64 (+7)      78 (-1)      53           67
RH % (24h trend)      98 (0)       79 (+17)     97           62
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  7         NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  9 G17
Precip Amount         0.19         0.32         0.22         0.02
Precip Duration       4            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              670                       830
Mixing Hgt(ft-agl/msl)             2200                      2710
Transport Wnd (mph)                W 10                      NE 15
Vent Rate (kt-ft)                  19800                     35230
Category Day                       2                         3
Inversion             7pm          70F/10am     7pm          55F/8am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  18 Gen Poor  9 Poor       27 Fair
Max ADI Late          6 Very Poor  21 Fair      11 Poor      33 Fair
Max LVORI Early       6            7            6            5
Max LVORI Late        8            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ057-200815-
Muskingum-
Including the city of Zanesville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     60           70           70           40
Chance of Thunder (%) 30           30           30           0
Temp (24h trend)      64 (+6)      80 (-1)      55           68
RH % (24h trend)      100 (+2)     76 (+9)      100          69
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      NE  5        NE  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  5        NE  7
Precip Amount         0.14         0.27         0.33         0.04
Precip Duration       4            5            4            2
Precip Begin          6 PM         Continuing   Continuing   6 AM
Precip End            Continuing   Continuing   5 AM         Continuing
Mixing Hgt(m-agl/msl)              840                       660
Mixing Hgt(ft-agl/msl)             2760                      2160
Transport Wnd (mph)                W  7                      NE 12
Vent Rate (kt-ft)                  16560                     21600
Category Day                       2                         2
Inversion             7pm          74F/11am     7pm          57F/8am
Dispersion                         2                         2
Max ADI Early         3 Very Poor  14 Gen Poor  8 Poor       22 Fair
Max ADI Late          4 Very Poor  19 Gen Poor  9 Poor       25 Fair
Max LVORI Early       8            9            8            6
Max LVORI Late        9            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ058-200815-
Guernsey-
Including the city of Cambridge
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           80           60           40
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      65 (+7)      79 (-2)      55           69
RH % (24h trend)      100 (+3)     77 (+13)     100          64
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      N  5         NE  7 G17
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  5        NE  7
Precip Amount         0.14         0.33         0.44         0.03
Precip Duration       3            8            3            2
Precip Begin          6 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   6 AM         Continuing
Mixing Hgt(m-agl/msl)              790                       690
Mixing Hgt(ft-agl/msl)             2580                      2260
Transport Wnd (mph)                W  8                      NE 13
Vent Rate (kt-ft)                  18060                     24860
Category Day                       2                         3
Inversion             7pm          72F/10am     7pm          57F/8am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  13 Gen Poor  8 Poor       23 Fair
Max ADI Late          5 Very Poor  18 Gen Poor  8 Poor       25 Fair
Max LVORI Early       8            8            9            6
Max LVORI Late        9            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ059-200815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           80           60           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      65 (+7)      79 (-2)      55           69
RH % (24h trend)      99 (+1)      77 (+15)     100          66
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  6         NE  8 G18
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  9 G17
Precip Amount         0.11         0.36         0.45         0.06
Precip Duration       3            8            3            2
Precip Begin          6 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   6 AM         Continuing
Mixing Hgt(m-agl/msl)              690                       700
Mixing Hgt(ft-agl/msl)             2280                      2300
Transport Wnd (mph)                W  9                      NE 15
Vent Rate (kt-ft)                  18240                     29900
Category Day                       2                         3
Inversion             7pm          73F/11am     7pm          59F/9am
Dispersion                         2                         3
Max ADI Early         4 Very Poor  14 Gen Poor  9 Poor       23 Fair
Max ADI Late          6 Very Poor  19 Gen Poor  10 Poor      30 Fair
Max LVORI Early       7            8            8            6
Max LVORI Late        8            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ068-200815-
Noble-
Including the city of Caldwell
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     60           70           70           40
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      65 (+6)      81 (-1)      57           70
RH % (24h trend)      100 (+2)     76 (+12)     100          70
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      NE  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  5        NE  6
Precip Amount         0.09         0.22         0.38         0.04
Precip Duration       2            5            3            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              780                       670
Mixing Hgt(ft-agl/msl)             2580                      2210
Transport Wnd (mph)                W  8                      NE 10
Vent Rate (kt-ft)                  18060                     19890
Category Day                       2                         2
Inversion             7pm          74F/11am     7pm          60F/9am
Dispersion                         2                         2
Max ADI Early         3 Very Poor  13 Gen Poor  6 Very Poor  21 Fair
Max ADI Late          5 Very Poor  18 Gen Poor  8 Poor       22 Fair
Max LVORI Early       8            8            9            7
Max LVORI Late        9            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ069-200815-
Monroe-
Including the city of Woodsfield
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     60           80           60           40
Chance of Thunder (%) 20           40           40           0
Temp (24h trend)      65 (+6)      81 (-2)      58           70
RH % (24h trend)      100 (+3)     76 (+13)     100          71
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      NE  6 G17
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  5 G17    NE  6
Precip Amount         0.07         0.23         0.41         0.06
Precip Duration       3            5            3            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              780                       670
Mixing Hgt(ft-agl/msl)             2560                      2210
Transport Wnd (mph)                W  8                      NE 12
Vent Rate (kt-ft)                  17920                     22100
Category Day                       2                         2
Inversion             7pm          74F/11am     7pm          61F/9am
Dispersion                         2                         2
Max ADI Early         3 Very Poor  13 Gen Poor  6 Very Poor  19 Gen Poor
Max ADI Late          5 Very Poor  20 Gen Poor  7 Poor       23 Fair
Max LVORI Early       8            8            9            8
Max LVORI Late        9            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ007-200815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      None
Chance Precip (%)     80           90           20           0
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      60 (+5)      74 (0)       49           66
RH % (24h trend)      100 (+8)     81 (+10)     95           61
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  8         NE  9
Wind 20ft/late(mph)   Lgt/Var      NW  8        NE  6        NE  9
Precip Amount         0.35         0.49         0.07         0.00
Precip Duration       5            8            0
Precip Begin          6 PM         Continuing   Continuing
Precip End            Continuing   Continuing   3 AM
Mixing Hgt(m-agl/msl)              540                       910
Mixing Hgt(ft-agl/msl)             1780                      3000
Transport Wnd (mph)                N 10                      E 13
Vent Rate (kt-ft)                  16020                     33000
Category Day                       2                         3
Inversion             6pm          66F/9am      8pm          54F/9am
Dispersion                         2                         3
Max ADI Early         7 Poor       17 Gen Poor  13 Gen Poor  31 Fair
Max ADI Late          7 Poor       19 Gen Poor  11 Poor      33 Fair
Max LVORI Early       6            8            6            5
Max LVORI Late        9            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ008-200815-
Venango-
Including the cities of Oil City and Franklin
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      None
Chance Precip (%)     80           90           20           0
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      58 (+4)      73 (0)       46           66
RH % (24h trend)      100 (+7)     84 (+11)     95           60
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  6         NE  7
Wind 20ft/late(mph)   Lgt/Var      NW  6        NE  5        E  7
Precip Amount         0.34         0.65         0.05         0.00
Precip Duration       6            8            0
Precip Begin          6 PM         Continuing   Continuing
Precip End            Continuing   Continuing   8 PM
Mixing Hgt(m-agl/msl)              490                       960
Mixing Hgt(ft-agl/msl)             1600                      3150
Transport Wnd (mph)                NW  9                     E 12
Vent Rate (kt-ft)                  12800                     31500
Category Day                       1                         3
Inversion             7pm          64F/9am      8pm          52F/9am
Dispersion                         1                         3
Max ADI Early         7 Poor       18 Gen Poor  8 Poor       34 Fair
Max ADI Late          7 Poor       19 Gen Poor  9 Poor       36 Fair
Max LVORI Early       6            8            6            5
Max LVORI Late        9            5            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ009-200815-
Forest-
Including the city of Tionesta
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      None
Chance Precip (%)     90           90           20           0
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      57 (+5)      71 (-1)      44           65
RH % (24h trend)      100 (+8)     78 (+11)     94           55
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      NE  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      E  5
Precip Amount         0.30         0.96         0.04         0.00
Precip Duration       7            8            0
Precip Begin          8 PM         Continuing   Continuing
Precip End            Continuing   Continuing   8 PM
Mixing Hgt(m-agl/msl)              500                       1040
Mixing Hgt(ft-agl/msl)             1630                      3430
Transport Wnd (mph)                N 10                      E 13
Vent Rate (kt-ft)                  14670                     37730
Category Day                       2                         3
Inversion             6pm          64F/10am     7pm          48F/8am
Dispersion                         2                         3
Max ADI Early         8 Poor       17 Gen Poor  8 Poor       33 Fair
Max ADI Late          8 Poor       19 Gen Poor  8 Poor       35 Fair
Max LVORI Early       5            8            6            5
Max LVORI Late        8            5            5            2

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ013-200815-
Lawrence-
Including the cities of New Castle and Ellwood City
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           100          30           20
Chance of Thunder (%) 20           20           10           0
Temp (24h trend)      61 (+5)      75 (-1)      51           67
RH % (24h trend)      100 (+7)     81 (+14)     97           59
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  6         NE  7
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  5        NE  7
Precip Amount         0.22         0.46         0.06         0.00
Precip Duration       5            7            1            1
Precip Begin          6 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   3 AM         Continuing
Mixing Hgt(m-agl/msl)              560                       780
Mixing Hgt(ft-agl/msl)             1850                      2550
Transport Wnd (mph)                NW 10                     NE 14
Vent Rate (kt-ft)                  16650                     30600
Category Day                       2                         3
Inversion             7pm          67F/9am      8pm          55F/4am
Dispersion                         2                         3
Max ADI Early         5 Very Poor  17 Gen Poor  12 Poor      28 Fair
Max ADI Late          5 Very Poor  20 Gen Poor  8 Poor       31 Fair
Max LVORI Early       6            7            6            4
Max LVORI Late        9            5            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ014-200815-
Butler-
Including the city of Butler
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      Showers
Chance Precip (%)     80           90           30           30
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      60 (+5)      75 (-1)      49           67
RH % (24h trend)      100 (+8)     85 (+13)     99           63
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  6         NE  8
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        E  8
Precip Amount         0.23         0.54         0.08         0.02
Precip Duration       5            9            1            2
Precip Begin          6 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   5 AM         Continuing
Mixing Hgt(m-agl/msl)              580                       830
Mixing Hgt(ft-agl/msl)             1910                      2740
Transport Wnd (mph)                W 13                      E 14
Vent Rate (kt-ft)                  21010                     32880
Category Day                       2                         3
Inversion             7pm          66F/9am      8pm          54F/4am
Dispersion                         2                         3
Max ADI Early         6 Very Poor  19 Gen Poor  9 Poor       30 Fair
Max ADI Late          6 Very Poor  22 Fair      12 Poor      32 Fair
Max LVORI Early       6            8            7            4
Max LVORI Late        9            5            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ015-200815-
Clarion-
Including the city of Clarion
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      Showers
Chance Precip (%)     80           90           20           30
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      59 (+5)      74 (+1)      48           66
RH % (24h trend)      100 (+8)     78 (+10)     94           56
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  5         NE  7
Wind 20ft/late(mph)   Lgt/Var      W  5         NE  5        E  6
Precip Amount         0.23         0.66         0.03         0.00
Precip Duration       6            9            0            1
Precip Begin          7 PM         Continuing   Continuing   2 PM
Precip End            Continuing   Continuing   4 AM         Continuing
Mixing Hgt(m-agl/msl)              510                       960
Mixing Hgt(ft-agl/msl)             1680                      3160
Transport Wnd (mph)                NW 10                     E 12
Vent Rate (kt-ft)                  15120                     31600
Category Day                       2                         3
Inversion             6pm          66F/10am     7pm          52F/9am
Dispersion                         2                         3
Max ADI Early         8 Poor       20 Gen Poor  8 Poor       33 Fair
Max ADI Late          8 Poor       20 Gen Poor  8 Poor       34 Fair
Max LVORI Early       5            7            6            5
Max LVORI Late        8            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ016-200815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      Showers
Chance Precip (%)     90           90           20           30
Chance of Thunder (%) 20           20           0            0
Temp (24h trend)      58 (+6)      73 (+1)      47           65
RH % (24h trend)      99 (+7)      82 (+17)     92           58
Wind 20ft/early(mph)  SE  6        SW  6        N  6         NE  7
Wind 20ft/late(mph)   SE  6        W  6         NE  6        E  7
Precip Amount         0.25         0.85         0.02         0.00
Precip Duration       5            9            0            1
Precip Begin          8 PM         Continuing   Continuing   2 PM
Precip End            Continuing   Continuing   8 PM         Continuing
Mixing Hgt(m-agl/msl)              510                       890
Mixing Hgt(ft-agl/msl)             1670                      2910
Transport Wnd (mph)                W 14                      E 13
Vent Rate (kt-ft)                  20040                     32010
Category Day                       2                         3
Inversion             7pm          65F/10am     7pm          49F/8am
Dispersion                         2                         3
Max ADI Early         9 Poor       23 Fair      8 Poor       31 Fair
Max ADI Late          9 Poor       23 Fair      9 Poor       32 Fair
Max LVORI Early       4            6            5            5
Max LVORI Late        7            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ020-200815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           100          40           30
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      63 (+6)      76 (-1)      53           67
RH % (24h trend)      99 (+5)      83 (+17)     95           62
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  6 G17     NE  7
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  6        NE  8
Precip Amount         0.19         0.46         0.10         0.02
Precip Duration       4            8            1            2
Precip Begin          6 PM         Continuing   Continuing   6 AM
Precip End            Continuing   Continuing   4 AM         Continuing
Mixing Hgt(m-agl/msl)              650                       820
Mixing Hgt(ft-agl/msl)             2140                      2700
Transport Wnd (mph)                NW  9                     E 14
Vent Rate (kt-ft)                  17120                     32400
Category Day                       2                         3
Inversion             7pm          67F/9am      8pm          56F/5am
Dispersion                         2                         3
Max ADI Early         4 Very Poor  18 Gen Poor  8 Poor       30 Fair
Max ADI Late          5 Very Poor  22 Fair      10 Poor      32 Fair
Max LVORI Early       6            7            6            4
Max LVORI Late        8            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ021-200815-
Allegheny-
Including the city of Pittsburgh Metro Area
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           100          50           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      63 (+5)      77 (-1)      53           68
RH % (24h trend)      99 (+7)      84 (+18)     98           65
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  7         NE  9
Wind 20ft/late(mph)   Lgt/Var      W  8         NE  8        NE 10
Precip Amount         0.14         0.51         0.18         0.07
Precip Duration       3            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              660                       780
Mixing Hgt(ft-agl/msl)             2170                      2550
Transport Wnd (mph)                W 12                      E 14
Vent Rate (kt-ft)                  21700                     30600
Category Day                       2                         3
Inversion             7pm          68F/9am      7pm          55F/8am
Dispersion                         2                         3
Max ADI Early         5 Very Poor  20 Gen Poor  9 Poor       28 Fair
Max ADI Late          6 Very Poor  25 Fair      10 Poor      30 Fair
Max LVORI Early       5            7            7            5
Max LVORI Late        7            5            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ022-200815-
Armstrong-
Including the cities of Kittanning and Ford City
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      Showers
Chance Precip (%)     70           100          30           30
Chance of Thunder (%) 20           30           0            0
Temp (24h trend)      60 (+5)      76 (+1)      50           67
RH % (24h trend)      100 (+6)     84 (+14)     100          62
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  6         NE  7
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  6        E  8
Precip Amount         0.20         0.72         0.07         0.03
Precip Duration       4            10           1            1
Precip Begin          7 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   5 AM         Continuing
Mixing Hgt(m-agl/msl)              590                       810
Mixing Hgt(ft-agl/msl)             1940                      2660
Transport Wnd (mph)                W 13                      E 14
Vent Rate (kt-ft)                  21340                     31920
Category Day                       2                         3
Inversion             7pm          68F/10am     7pm          54F/5am
Dispersion                         2                         3
Max ADI Early         7 Poor       20 Gen Poor  8 Poor       31 Fair
Max ADI Late          7 Poor       24 Fair      11 Poor      32 Fair
Max LVORI Early       5            8            7            5
Max LVORI Late        8            5            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ029-200815-
Washington-
Including the cities of Washington and Canonsburg
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           100          60           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      64 (+6)      77 (-2)      55           67
RH % (24h trend)      99 (+2)      83 (+20)     97           66
Wind 20ft/early(mph)  Lgt/Var      SW  7        N  6         NE  9 G17
Wind 20ft/late(mph)   Lgt/Var      W  8         NE  8        NE  9
Precip Amount         0.12         0.40         0.35         0.10
Precip Duration       4            10           3            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              730                       690
Mixing Hgt(ft-agl/msl)             2390                      2270
Transport Wnd (mph)                W 13                      NE 14
Vent Rate (kt-ft)                  26290                     27240
Category Day                       3                         3
Inversion             7pm          70F/10am     7pm          56F/8am
Dispersion                         3                         3
Max ADI Early         4 Very Poor  17 Gen Poor  8 Poor       24 Fair
Max ADI Late          7 Poor       25 Fair      10 Poor      28 Fair
Max LVORI Early       6            6            6            5
Max LVORI Late        6            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ031-200815-
Greene-
Including the city of Waynesburg
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           60           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      64 (+5)      78 (-2)      56           68
RH % (24h trend)      99 (0)       83 (+19)     99           74
Wind 20ft/early(mph)  Lgt/Var      SW  6        Lgt/Var      NE  8
Wind 20ft/late(mph)   Lgt/Var      SW  6        NE  6        NE  8
Precip Amount         0.07         0.32         0.37         0.16
Precip Duration       2            6            4            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              750                       600
Mixing Hgt(ft-agl/msl)             2460                      1970
Transport Wnd (mph)                W 12                      NE 12
Vent Rate (kt-ft)                  24600                     19700
Category Day                       2                         2
Inversion             7pm          68F/9am      7pm          59F/9am
Dispersion                         2                         2
Max ADI Early         4 Very Poor  18 Gen Poor  5 Very Poor  20 Gen Poor
Max ADI Late          8 Poor       24 Fair      9 Poor       22 Fair
Max LVORI Early       6            6            9            7
Max LVORI Late        7            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ073-200815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           60           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      63 (+6)      77 (-1)      52           68
RH % (24h trend)      99 (+3)      85 (+18)     99           65
Wind 20ft/early(mph)  SE  5        SW  8        N  6         NE  9
Wind 20ft/late(mph)   S  5         SW  9        NE  7        E 10
Precip Amount         0.08         0.59         0.30         0.12
Precip Duration       4            11           3            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              630                       730
Mixing Hgt(ft-agl/msl)             2060                      2400
Transport Wnd (mph)                W 13                      E 14
Vent Rate (kt-ft)                  22660                     28800
Category Day                       2                         3
Inversion             7pm          68F/9am      6pm          57F/9am
Dispersion                         2                         3
Max ADI Early         8 Poor       22 Fair      8 Poor       25 Fair
Max ADI Late          7 Poor       24 Fair      10 Poor      28 Fair
Max LVORI Early       5            7            8            5
Max LVORI Late        6            5            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ074-200815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           90           60           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      61 (+5)      77 (+2)      53           68
RH % (24h trend)      99 (+1)      81 (+17)     99           61
Wind 20ft/early(mph)  SE  7 G20    SW  6        Lgt/Var      E  6
Wind 20ft/late(mph)   S  5 G19     W  7         Lgt/Var      E  6
Precip Amount         0.05         0.51         0.40         0.17
Precip Duration       4            11           3            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              560                       670
Mixing Hgt(ft-agl/msl)             1850                      2200
Transport Wnd (mph)                W 14                      E 14
Vent Rate (kt-ft)                  22200                     26400
Category Day                       2                         3
Inversion             6pm          65F/9am      6pm          56F/9am
Dispersion                         2                         3
Max ADI Early         11 Poor      25 Fair      7 Poor       23 Fair
Max ADI Late          8 Poor       25 Fair      7 Poor       27 Fair
Max LVORI Early       4            7            9            7
Max LVORI Late        6            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ075-200815-
Fayette-
Including the city of Uniontown
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           70           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      63 (+4)      78 (-1)      56           68
RH % (24h trend)      97 (-1)      83 (+19)     100          69
Wind 20ft/early(mph)  Lgt/Var      SW  6        Lgt/Var      NE  6
Wind 20ft/late(mph)   Lgt/Var      SW  7        NE  5        NE  7
Precip Amount         0.03         0.43         0.49         0.17
Precip Duration       2            9            5            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              700                       630
Mixing Hgt(ft-agl/msl)             2300                      2060
Transport Wnd (mph)                W 13                      E 12
Vent Rate (kt-ft)                  25300                     20600
Category Day                       3                         2
Inversion             6pm          68F/9am      7pm          60F/9am
Dispersion                         3                         2
Max ADI Early         6 Very Poor  22 Fair      5 Very Poor  21 Fair
Max ADI Late          7 Poor       25 Fair      7 Poor       25 Fair
Max LVORI Early       5            6            9            6
Max LVORI Late        6            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ076-200815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     60           80           70           50
Chance of Thunder (%) 10           30           30           0
Temp (24h trend)      60 (+4)      77 (+1)      54           67
RH % (24h trend)      99 (0)       77 (+14)     100          65
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      SW  5        Lgt/Var      E  5
Precip Amount         0.02         0.41         0.50         0.21
Precip Duration       2            10           5            2
Precip Begin          9 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              650                       580
Mixing Hgt(ft-agl/msl)             2120                      1910
Transport Wnd (mph)                W 13                      E 13
Vent Rate (kt-ft)                  23320                     21010
Category Day                       2                         2
Inversion             6pm          65F/9am      7pm          57F/9am
Dispersion                         2                         2
Max ADI Early         7 Poor       23 Fair      6 Very Poor  21 Fair
Max ADI Late          6 Very Poor  24 Fair      5 Very Poor  25 Fair
Max LVORI Early       5            6            9            9
Max LVORI Late        8            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ077-200815-
Indiana-
Including the city of Indiana
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Showers      Showers
Chance Precip (%)     70           90           50           30
Chance of Thunder (%) 20           30           0            0
Temp (24h trend)      59 (+5)      75 (+1)      50           67
RH % (24h trend)      99 (+4)      86 (+19)     99           62
Wind 20ft/early(mph)  SE  6 G17    SW  6        N  5         NE  7
Wind 20ft/late(mph)   S  6 G17     W  7         NE  6        E  8
Precip Amount         0.17         0.79         0.12         0.05
Precip Duration       4            12           1            1
Precip Begin          8 PM         Continuing   Continuing   7 AM
Precip End            Continuing   Continuing   5 AM         Continuing
Mixing Hgt(m-agl/msl)              600                       780
Mixing Hgt(ft-agl/msl)             1980                      2570
Transport Wnd (mph)                W 15                      E 14
Vent Rate (kt-ft)                  25740                     30840
Category Day                       3                         3
Inversion             7pm          67F/10am     7pm          52F/8am
Dispersion                         3                         3
Max ADI Early         11 Poor      21 Fair      7 Poor       30 Fair
Max ADI Late          10 Poor      27 Fair      9 Poor       31 Fair
Max LVORI Early       4            7            8            5
Max LVORI Late        6            5            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ078-200815-
Higher Elevations of Indiana-
Including the city of Armagh
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           70           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      60 (+6)      75 (+2)      51           66
RH % (24h trend)      99 (+3)      86 (+20)     99           62
Wind 20ft/early(mph)  SE  7 G18    SW  6        N  5         E  7
Wind 20ft/late(mph)   S  6 G18     W  7         NE  5        E  7
Precip Amount         0.12         0.68         0.22         0.07
Precip Duration       4            11           2            1
Precip Begin          8 PM         Continuing   Continuing   8 AM
Precip End            Continuing   Continuing   6 AM         Continuing
Mixing Hgt(m-agl/msl)              600                       740
Mixing Hgt(ft-agl/msl)             1950                      2440
Transport Wnd (mph)                SW 15                     E 13
Vent Rate (kt-ft)                  25350                     26840
Category Day                       3                         3
Inversion             6pm          65F/9am      6pm          53F/8am
Dispersion                         3                         3
Max ADI Early         12 Poor      21 Fair      7 Poor       26 Fair
Max ADI Late          11 Poor      28 Fair      9 Poor       29 Fair
Max LVORI Early       4            7            8            5
Max LVORI Late        6            5            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ001-200815-
Hancock-
Including the city of Weirton
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     80           100          50           40
Chance of Thunder (%) 20           30           20           0
Temp (24h trend)      64 (+6)      76 (-2)      54           66
RH % (24h trend)      98 (+1)      82 (+18)     93           62
Wind 20ft/early(mph)  Lgt/Var      SW  5        N  7 G17     NE  8
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  8
Precip Amount         0.19         0.36         0.13         0.01
Precip Duration       4            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              620                       840
Mixing Hgt(ft-agl/msl)             2030                      2760
Transport Wnd (mph)                W 10                      E 15
Vent Rate (kt-ft)                  18270                     35880
Category Day                       2                         3
Inversion             7pm          68F/9am      8pm          58F/4am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  18 Gen Poor  9 Poor       28 Fair
Max ADI Late          5 Very Poor  21 Fair      11 Poor      34 Fair
Max LVORI Early       6            7            5            5
Max LVORI Late        8            5            5            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ002-200815-
Brooke-
Including the cities of Follansbee and Wellsburg
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           50           40
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      65 (+7)      78 (-2)      55           67
RH % (24h trend)      98 (+2)      80 (+19)     95           64
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  6         NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  9
Precip Amount         0.15         0.36         0.29         0.04
Precip Duration       4            9            2            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              690                       730
Mixing Hgt(ft-agl/msl)             2270                      2390
Transport Wnd (mph)                W 12                      NE 15
Vent Rate (kt-ft)                  22700                     31070
Category Day                       2                         3
Inversion             7pm          71F/10am     7pm          56F/8am
Dispersion                         2                         3
Max ADI Early         3 Very Poor  18 Gen Poor  8 Poor       26 Fair
Max ADI Late          6 Very Poor  23 Fair      11 Poor      31 Fair
Max LVORI Early       6            6            6            5
Max LVORI Late        7            4            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ003-200815-
Ohio-
Including the city of Wheeling
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           90           60           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      64 (+5)      78 (-2)      56           67
RH % (24h trend)      99 (0)       80 (+18)     100          68
Wind 20ft/early(mph)  Lgt/Var      SW  6        N  6         NE  9 G17
Wind 20ft/late(mph)   Lgt/Var      W  6         NE  7        NE  9 G17
Precip Amount         0.13         0.37         0.36         0.08
Precip Duration       3            8            3            2
Precip Begin          6 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              660                       660
Mixing Hgt(ft-agl/msl)             2170                      2180
Transport Wnd (mph)                W 10                      NE 14
Vent Rate (kt-ft)                  19530                     26160
Category Day                       2                         2
Inversion             7pm          72F/11am     7pm          57F/8am
Dispersion                         2                         2
Max ADI Early         3 Very Poor  15 Gen Poor  8 Poor       23 Fair
Max ADI Late          6 Very Poor  20 Gen Poor  10 Poor      27 Fair
Max LVORI Early       6            7            9            5
Max LVORI Late        7            5            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ004-200815-
Marshall-
Including the city of Moundsville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Showers
Chance Precip (%)     70           80           60           50
Chance of Thunder (%) 20           30           30           0
Temp (24h trend)      65 (+6)      80 (-1)      57           69
RH % (24h trend)      99 (+1)      82 (+17)     99           75
Wind 20ft/early(mph)  Lgt/Var      SW  5        Lgt/Var      NE  8 G17
Wind 20ft/late(mph)   Lgt/Var      SW  5        NE  6        NE  8
Precip Amount         0.10         0.31         0.38         0.09
Precip Duration       3            5            4            2
Precip Begin          7 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              760                       580
Mixing Hgt(ft-agl/msl)             2480                      1900
Transport Wnd (mph)                W 10                      NE 13
Vent Rate (kt-ft)                  22320                     20900
Category Day                       2                         2
Inversion             7pm          71F/10am     7pm          60F/9am
Dispersion                         2                         2
Max ADI Early         3 Very Poor  16 Gen Poor  6 Very Poor  21 Fair
Max ADI Late          6 Very Poor  22 Fair      8 Poor       23 Fair
Max LVORI Early       6            7            9            6
Max LVORI Late        8            5            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ012-200815-
Wetzel-
Including the city of New Martinsville
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     60           70           60           50
Chance of Thunder (%) 20           40           40           10
Temp (24h trend)      65 (+5)      80 (-1)      59           70
RH % (24h trend)      99 (+2)      83 (+18)     100          78
Wind 20ft/early(mph)  Lgt/Var      SW  5        Lgt/Var      NE  6
Wind 20ft/late(mph)   Lgt/Var      SW  5        NE  5        NE  6
Precip Amount         0.04         0.25         0.37         0.10
Precip Duration       3            4            4            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              780                       570
Mixing Hgt(ft-agl/msl)             2550                      1870
Transport Wnd (mph)                W  9                      NE 12
Vent Rate (kt-ft)                  20400                     18700
Category Day                       2                         2
Inversion             7pm          71F/10am     7pm          61F/9am
Dispersion                         2                         2
Max ADI Early         4 Very Poor  14 Gen Poor  5 Very Poor  17 Gen Poor
Max ADI Late          7 Poor       21 Fair      7 Poor       21 Fair
Max LVORI Early       6            7            9            8
Max LVORI Late        8            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ021-200815-
Marion-
Including the city of Fairmont
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     60           80           70           50
Chance of Thunder (%) 20           40           40           10
Temp (24h trend)      64 (+4)      78 (-2)      58           69
RH % (24h trend)      99 (0)       84 (+19)     100          80
Wind 20ft/early(mph)  Lgt/Var      SW  5        Lgt/Var      NE  5
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NE  6
Precip Amount         0.03         0.31         0.40         0.19
Precip Duration       2            5            5            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              810                       630
Mixing Hgt(ft-agl/msl)             2660                      2070
Transport Wnd (mph)                W 10                      E 12
Vent Rate (kt-ft)                  23940                     20700
Category Day                       3                         2
Inversion             6pm          68F/9am      7pm          61F/9am
Dispersion                         3                         2
Max ADI Early         4 Very Poor  16 Gen Poor  5 Very Poor  16 Gen Poor
Max ADI Late          7 Poor       23 Fair      6 Very Poor  22 Fair
Max LVORI Early       6            6            10           8
Max LVORI Late        8            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ509-200815-
Monongalia-
Including the city of Morgantown
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     60           80           70           50
Chance of Thunder (%) 20           30           30           10
Temp (24h trend)      64 (+4)      78 (-2)      57           69
RH % (24h trend)      99 (0)       84 (+20)     100          76
Wind 20ft/early(mph)  Lgt/Var      SW  6        Lgt/Var      NE  6
Wind 20ft/late(mph)   Lgt/Var      SW  6        Lgt/Var      NE  6
Precip Amount         0.04         0.32         0.41         0.19
Precip Duration       2            5            5            2
Precip Begin          8 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              750                       580
Mixing Hgt(ft-agl/msl)             2470                      1910
Transport Wnd (mph)                W 10                      E 12
Vent Rate (kt-ft)                  22230                     19100
Category Day                       2                         2
Inversion             6pm          68F/9am      7pm          61F/9am
Dispersion                         2                         2
Max ADI Early         4 Very Poor  17 Gen Poor  5 Very Poor  18 Gen Poor
Max ADI Late          6 Very Poor  23 Fair      6 Very Poor  21 Fair
Max LVORI Early       6            6            9            8
Max LVORI Late        7            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ510-200815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     50           80           80           50
Chance of Thunder (%) 10           30           30           10
Temp (24h trend)      62 (+3)      77 (0)       57           68
RH % (24h trend)      97 (-3)      83 (+19)     100          74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      SW  5        Lgt/Var      E  5
Precip Amount         0.02         0.34         0.45         0.25
Precip Duration       1            6            5            2
Precip Begin          9 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              690                       510
Mixing Hgt(ft-agl/msl)             2270                      1680
Transport Wnd (mph)                W 10                      E 12
Vent Rate (kt-ft)                  20430                     16800
Category Day                       2                         2
Inversion             6pm          66F/9am      7pm          61F/10am
Dispersion                         2                         2
Max ADI Early         5 Very Poor  18 Gen Poor  4 Very Poor  19 Gen Poor
Max ADI Late          6 Very Poor  22 Fair      4 Very Poor  20 Gen Poor
Max LVORI Early       6            6            9            9
Max LVORI Late        7            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ511-200815-
Preston-
Including the cities of Kingwood and Bruceton Mills
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     50           80           80           60
Chance of Thunder (%) 10           30           30           10
Temp (24h trend)      62 (+4)      77 (-2)      57           69
RH % (24h trend)      96 (-4)      79 (+17)     100          70
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      SW  5        Lgt/Var      E  5
Precip Amount         0.01         0.35         0.49         0.25
Precip Duration       1            5            5            8
Precip Begin          9 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              710                       490
Mixing Hgt(ft-agl/msl)             2340                      1610
Transport Wnd (mph)                W 12                      E 12
Vent Rate (kt-ft)                  23400                     16100
Category Day                       2                         2
Inversion             6pm          67F/9am      7pm          62F/10am
Dispersion                         2                         2
Max ADI Early         4 Very Poor  20 Gen Poor  5 Very Poor  18 Gen Poor
Max ADI Late          5 Very Poor  23 Fair      3 Very Poor  20 Gen Poor
Max LVORI Early       6            6            9            9
Max LVORI Late        7            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ512-200815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms        Tstms
Chance Precip (%)     40           70           80           60
Chance of Thunder (%) 10           30           30           10
Temp (24h trend)      60 (+2)      76 (0)       56           68
RH % (24h trend)      99 (-1)      80 (+12)     100          75
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      SW  5        Lgt/Var      E  5
Precip Amount         0.00         0.30         0.53         0.25
Precip Duration       1            5            6            8
Precip Begin          9 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              730                       470
Mixing Hgt(ft-agl/msl)             2380                      1530
Transport Wnd (mph)                W 13                      SE 13
Vent Rate (kt-ft)                  26180                     16830
Category Day                       3                         2
Inversion             7pm          65F/9am      7pm          61F/11am
Dispersion                         3                         2
Max ADI Early         5 Very Poor  23 Fair      8 Poor       19 Gen Poor
Max ADI Late          6 Very Poor  25 Fair      3 Very Poor  21 Fair
Max LVORI Early       6            6            9            9
Max LVORI Late        7            4            10           4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ513-200815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Showers      Tstms        Tstms        Tstms
Chance Precip (%)     30           70           70           70
Chance of Thunder (%) 0            30           30           10
Temp (24h trend)      62 (+2)      79 (0)       60           71
RH % (24h trend)      96 (-3)      76 (+10)     100          75
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         0.01         0.32         0.58         0.25
Precip Duration       1            5            5            8
Precip Begin          9 PM         Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              780                       520
Mixing Hgt(ft-agl/msl)             2570                      1700
Transport Wnd (mph)                W 12                      SE 10
Vent Rate (kt-ft)                  25700                     15300
Category Day                       2                         2
Inversion             7pm          66F/9am      7pm          64F/11am
Dispersion                         2                         2
Max ADI Early         5 Very Poor  22 Fair      5 Very Poor  17 Gen Poor
Max ADI Late          6 Very Poor  25 Fair      2 Very Poor  21 Fair
Max LVORI Early       7            6            9            9
Max LVORI Late        7            4            10           4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ514-200815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1203 PM EDT Sat Sep 19 2026

                      Tonight      Sun          Sun Night    Mon

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           Showers      Tstms        Tstms        Tstms
Chance Precip (%)     20           60           60           70
Chance of Thunder (%) 0            30           30           10
Temp (24h trend)      57 (0)       75 (+3)      53           65
RH % (24h trend)      100 (+1)     82 (+8)      100          87
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      W  5 G17     Lgt/Var      Lgt/Var
Precip Amount         0.00         0.23         0.42         0.22
Precip Duration       1            4            6            9
Precip Begin          10 PM        Continuing   Continuing   Continuing
Precip End            Continuing   Continuing   Continuing   Continuing
Mixing Hgt(m-agl/msl)              770                       440
Mixing Hgt(ft-agl/msl)             2540                      1450
Transport Wnd (mph)                W 15                      SE 12
Vent Rate (kt-ft)                  33020                     14500
Category Day                       3                         2
Inversion             7pm          65F/9am      7pm          59F/10am
Dispersion                         3                         2
Max ADI Early         7 Poor       28 Fair      8 Poor       14 Gen Poor
Max ADI Late          8 Poor       34 Fair      3 Very Poor  18 Gen Poor
Max LVORI Early       7            5            9            9
Max LVORI Late        8            4            9            5

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY...Cloudy with showers likely. Lows in the lower 50s.
Highs in the lower 60s. Northeast winds around 10 mph.
.WEDNESDAY...Breezy. Cloudy with showers likely. Lows around 50.
Highs in the lower 60s. East winds 15 to 25 mph.
.THURSDAY...Mostly cloudy with a chance of showers. Lows around
50. Highs in the mid 60s. East winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Lows in the upper 40s. Highs in the
upper 60s. Northeast winds 5 to 10 mph.
.SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. North winds 5 to 10 mph.

$$

MLB