Spot Forecast
Issued by NWS Lake Charles, LA

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FNUS74 KLCH 181455
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Spot Forecast for Marceaux wf...Usfws
National Weather Service Lake Charles LA
955 AM CDT Mon Aug 18 2025

Forecast is based on forecast start time of 1000 CDT on August 18.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (337) 477-5285, if you have questions
or concerns with this forecast.

.DISCUSSION...

Scattered showers with a few embedded thunderstorms will be
possible in the coming days as high pressure meanders around the
region. Expect a decent amount of mixing each day with highs in
the mid to upper 90s bringing about daily minimum RH values in the
45 to 55 percent range.

.REST OF TODAY...

Sky/weather.........Mostly sunny (20-30 percent). Slight chance of
                    showers and thunderstorms in the late morning
                    and early afternoon, then chance of showers and
                    thunderstorms late in the afternoon.
Max temperature.....Around 95.
Min humidity........54 percent.
Eye level winds.....Northwest winds around 3 mph shifting to the
                    west late in the afternoon.
Wind (20 ft)........North winds around 5 mph shifting to the west
                    late in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the late morning
                    and early afternoon. Gusty and erratic winds
                    expected near thunderstorms late in the
                    afternoon.
Mixing height.......4100 ft AGL.
Mixing height (m)...457-1250 meters AGL.
Transport winds.....North around 7 mph shifting to the northeast 7
                    to 8 mph late in the afternoon, then shifting
                    to the northwest around 6 mph late in the
                    afternoon.
Transport winds m/s.North around 3 meters/second shifting to the
                    northeast 3 to 4 meters/second late in the
                    afternoon, then shifting to the northwest
                    around 3 meters/second late in the afternoon.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  15  18  28  34  28  37  30
Weather cov.....SCH SCH SCH SCH SCH SCH CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH CHC CHC
Temp............88  89  93  93  94  94  93  93
RH..............68  66  58  56  54  54  56  56
20 FT wind dir..N   N   N   N   N   NW  W   W
20 FT wind spd..5   5   5   5   5   5   5   5
20 FT wind gust.9   9   9   9   9   9   8   8
Eye lvl wnd dir.N   N   N   N   N   NW  W   W
Eye lvl wnd spd.3   3   3   3   3   3   3   3
Eye lvl wnd gst.5   5   5   5   5   5   5   5
Mix hgt (kft)...1.5 2.4 3.3 4.1 4.1 3.8 3.8 3.5
Mix hgt (km)....0.5 0.7 1.0 1.2 1.2 1.2 1.2 1.1
Transp wind dir.NW  N   N   N   NE  NE  NE  NW
Transp wind spd.7   7   7   7   8   7   7   6
Trans wind dir..NW  N   N   N   NE  NE  NE  NW
Trans spd (m/s).3   3   3   3   4   3   3   3

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent) then becoming
                    partly cloudy (35-45 percent) then becoming
                    mostly cloudy (60-70 percent) then becoming
                    partly cloudy (40-50 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent). Chance of
                    showers and thunderstorms through the night.
Min temperature.....Around 76.
Max humidity........97 percent.
Eye level winds.....Light winds.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms in the evening. Gusty and
                    erratic winds expected near thunderstorms
                    overnight.
Mixing height.......400 ft AGL.
Mixing height (m)...122-579 meters AGL.
Transport winds.....North around 7 mph shifting to the west around
                    8 mph early in the evening, then shifting to
                    the northeast 5 to 8 mph early in the evening
                    shifting to the southeast around 5 mph late in
                    the evening shifting to the east 3 to 5 mph
                    shifting to the north around 5 mph after 3 am.
Transport winds m/s.North around 3 meters/second shifting to the
                    west around 4 meters/second early in the
                    evening, then shifting to the northeast 2 to 4
                    meters/second early in the evening shifting to
                    the southeast around 2 meters/second late in
                    the evening shifting to the east 1 to 2
                    meters/second shifting to the north around 2
                    meters/second after 3 am.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  42  38  46  38  44  64  47  65  54  40  38
Weather cov.....CHC CHC CHC CHC SCH     CHC CHC CHC SCH SCH SCH
Weather type....RW  RW  RW  RW  RW      RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC SCH     CHC CHC CHC SCH SCH SCH
Temp............91  87  86  84  82  82  81  81  81  81  79  78
RH..............60  68  70  74  82  82  85  82  85  85  91  94
20 FT wind dir..NW  W   N   NE  NE  NE  NE  E   NE  N   N   N
20 FT wind spd..3   2   2   2   2   2   1   1   1   2   2   2
20 FT wind gust.7   6   6   5   5   3   3   3   3   5   6   6
Eye lvl wnd dir.NW  W   N   NE  NE  NE  NE  E   NE  N   N   N
Eye lvl wnd spd.2   1   1   1   1   1   1   1   1   1   1   1
Eye lvl wnd gst.4   4   4   3   3   2   2   2   2   3   4   4
Mix hgt (kft)...1.9 1.2 0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Mix hgt (km)....0.6 0.4 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.N   W   N   NE  NE  SE  E   NE  E   N   N   N
Transp wind spd.7   8   5   7   8   5   5   5   3   5   5   5
Trans wind dir..N   W   N   NE  NE  SE  E   NE  E   N   N   N
Trans spd (m/s).3   4   2   3   4   2   2   2   1   2   2   2

.TUESDAY...

Sky/weather.........Mostly sunny (25-35 percent). Chance of showers
                    and thunderstorms in the morning, then showers
                    and thunderstorms likely in the afternoon.
Max temperature.....Around 93.
Min humidity........58 percent.
Eye level winds.....Light winds early in the morning becoming
                    northeast around 3 mph, then shifting to the
                    southeast in the afternoon becoming light.
Wind (20 ft)........Light winds early in the morning becoming
                    northeast around 5 mph, then shifting to the
                    east in the afternoon becoming light. Gusty and
                    erratic winds expected near thunderstorms in
                    the morning and early afternoon. Gusty and
                    erratic winds expected near thunderstorms late
                    in the afternoon.
Mixing height.......4500 ft AGL.
Mixing height (m)...122-1372 meters AGL.
Transport winds.....North 6 to 7 mph shifting to the southeast 8 to
                    9 mph late in the afternoon.
Transport winds m/s.North around 3 meters/second shifting to the
                    southeast around 4 meters/second late in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........46  14  26  30  33  37  41  45  46  48  49  47
Weather cov.....CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY CHC CHC
Temp............78  77  79  82  85  87  89  91  91  92  92  91
RH..............94  97  94  85  77  70  66  62  60  58  58  60
20 FT wind dir..N   N   N   N   NE  NE  E   E   E   E   SE  SE
20 FT wind spd..2   2   3   5   5   5   5   5   5   5   5   3
20 FT wind gust.7   7   7   7   8   8   9   9   9   9   8   7
Eye lvl wnd dir.N   N   N   N   NE  NE  E   E   E   E   SE  SE
Eye lvl wnd spd.1   1   2   3   3   3   3   3   3   3   3   2
Eye lvl wnd gst.4   4   4   4   5   5   5   5   5   5   5   4
Mix hgt (kft)...0.4 0.7 0.9 1.1 1.6 2.4 3.4 4.1 4.5 4.5 4.1 3.3
Mix hgt (km)....0.1 0.2 0.3 0.3 0.5 0.7 1.0 1.2 1.4 1.4 1.2 1.0
Transp wind dir.N   N   N   N   N   N   NE  NE  E   E   E   SE
Transp wind spd.6   6   7   7   7   6   5   5   6   8   9   8
Trans wind dir..N   N   N   N   N   N   NE  NE  E   E   E   SE
Trans spd (m/s).3   3   3   3   3   3   2   2   3   4   4   4

$$
Forecaster...KOWALSKI
Requested by...Lucas Doucet
Type of request...WILDFIRE
.TAG 2520137.0/LCH
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL lucas_doucet@fws.gov