Spot Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
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073
FNUS74 KLCH 191323
FWSLCH
Spot Forecast for Marceaux...Usfws
National Weather Service Lake Charles LA
823 AM CDT Tue Aug 19 2025
Forecast is based on forecast start time of 0900 CDT on August 19.
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...
A hot and humid air mass will continue over the region through
Wednesday. This will bring about afternoon heat index values
around 105 degrees and minimum relative humidity values over 50
percent. There will also be a chance for late afternoon
thunderstorms. Rain chances will increase on Thursday as a trough
moves into the region.
.REST OF TODAY...
Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
showers and thunderstorms late in the morning,
then chance of showers and thunderstorms in the
afternoon.
Max temperature.....Around 92.
Min humidity........62 percent.
Eye level winds.....Light winds becoming east up to 4 mph in the
late morning and early afternoon, then shifting
to the southeast late in the afternoon.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph in
the late morning and early afternoon, then
shifting to the southeast late in the
afternoon. Gusty and erratic winds expected
near thunderstorms.
Mixing height.......3600 ft AGL.
Mixing height (m)...335-1097 meters AGL.
Transport winds.....Northeast 5 to 6 mph shifting to the southeast
around 6 mph late in the afternoon.
Transport winds m/s.Northeast 2 to 3 meters/second shifting to the
southeast around 3 meters/second late in the
afternoon.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40 33 27 31 37 35 31 32 27
Weather cov.....SCH SCH SCH SCH CHC CHC CHC CHC CHC
Weather type....RW RW RW RW RW RW RW RW RW
Tstm cov........SCH SCH SCH SCH CHC CHC CHC CHC CHC
Temp............81 84 86 87 89 89 90 90 90
RH..............88 80 72 72 66 66 64 62 62
20 FT wind dir..NE NE NE NE NE NE E SE SE
20 FT wind spd..3 5 5 5 6 5 5 6 5
20 FT wind gust.7 7 8 8 8 9 8 8 8
Eye lvl wnd dir.NE NE NE NE NE NE E SE SE
Eye lvl wnd spd.2 3 3 3 4 3 3 4 3
Eye lvl wnd gst.4 4 5 5 5 5 5 5 5
Mix hgt (kft)...1.1 1.6 2.2 2.8 3.3 3.4 3.4 3.6 2.8
Mix hgt (km)....0.3 0.5 0.7 0.9 1.0 1.0 1.0 1.1 0.9
Transp wind dir.NE NE NE NE NE E E E SE
Transp wind spd.6 5 5 5 6 5 5 6 6
Trans wind dir..NE NE NE NE NE E E E SE
Trans spd (m/s).3 2 2 2 3 2 2 3 3
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent). Chance of showers
and thunderstorms early in the evening, then
slight chance of showers and thunderstorms
early in the evening. Slight chance of showers
and thunderstorms overnight.
Min temperature.....Around 78.
Max humidity........91 percent.
Eye level winds.....Light winds.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms early in the evening. Gusty
and erratic winds expected near thunderstorms
overnight.
Mixing height.......400 ft AGL.
Mixing height (m)...122-732 meters AGL.
Transport winds.....South 6 to 7 mph shifting to the west 5 to 6
mph after 3 am.
Transport winds m/s.Southeast around 3 meters/second shifting to
the northwest early in the morning.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........24 18 17 13 18 25 20 17 17 22 17 22
Weather cov.....CHC SCH SCH SCH SCH SCH SCH
Weather type....RW RW RW RW RW RW RW
Tstm cov........CHC SCH SCH SCH SCH SCH SCH
Temp............89 88 86 85 84 84 83 82 82 81 81 81
RH..............66 68 72 75 77 80 82 82 85 88 88 88
20 FT wind dir..SE S S S S S SW W W W NW NW
20 FT wind spd..3 2 2 2 1 1 1 1 1 2 2 2
20 FT wind gust.7 7 6 5 5 5 3 5 5 5 6 7
Eye lvl wnd dir.SE S S S S S SW W W W NW NW
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 3 2 3 3 3 4 4
Mix hgt (kft)...2.4 1.7 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Mix hgt (km)....0.7 0.5 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.SE S S S S SW SW SW W W W NW
Transp wind spd.6 7 6 6 6 6 6 5 5 5 5 6
Trans wind dir..SE S S S S SW SW SW W W W NW
Trans spd (m/s).3 3 3 3 3 3 3 2 2 2 2 3
.WEDNESDAY...
Sky/weather.........Sunny (20-30 percent). Showers and
thunderstorms likely in the afternoon.
Max temperature.....Around 94.
Min humidity........62 percent.
Eye level winds.....Light winds becoming north up to 4 mph in the
late morning and early afternoon, then shifting
to the northeast around 4 mph early in the
afternoon shifting to the south late in the
afternoon shifting to the southwest around 3
mph.
Wind (20 ft)........Light winds becoming north 5 to 6 mph in the
late morning and early afternoon, then shifting
to the northeast around 6 mph early in the
afternoon shifting to the south late in the
afternoon shifting to the southwest around 5
mph. Gusty and erratic winds expected near
thunderstorms.
Mixing height.......4200 ft AGL.
Mixing height (m)...122-1280 meters AGL.
Transport winds.....Northwest 6 to 10 mph shifting to the northeast
around 9 mph early in the afternoon, then
shifting to the southeast late in the afternoon
shifting to the south late in the afternoon.
Transport winds m/s.Northwest 3 to 4 meters/second shifting to the
northeast around 4 meters/second early in the
afternoon, then shifting to the southeast late
in the afternoon shifting to the south late in
the afternoon.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20 12 7 11 15 21 28 34 36 37 39 41
Weather cov.....SCH SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........SCH SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY
Temp............80 80 82 85 86 88 90 91 91 91 90 89
RH..............91 91 88 80 77 70 64 62 62 62 64 66
20 FT wind dir..NW NW NW NW N N N N NE SE S SW
20 FT wind spd..2 3 3 3 5 5 6 6 6 6 6 5
20 FT wind gust.7 8 8 8 8 8 8 8 8 8 8 8
Eye lvl wnd dir.NW NW NW NW N N N N NE SE S SW
Eye lvl wnd spd.1 2 2 2 3 3 4 4 4 4 4 3
Eye lvl wnd gst.4 5 5 5 5 5 5 5 5 5 5 5
Mix hgt (kft)...0.4 0.4 0.8 1.1 1.5 2.5 3.6 4.2 3.8 3.0 2.2 1.8
Mix hgt (km)....0.1 0.1 0.2 0.3 0.5 0.8 1.1 1.3 1.2 0.9 0.7 0.5
Transp wind dir.NW NW NW NW NW NW N N NE SE S S
Transp wind spd.6 7 7 8 10 10 10 9 9 9 9 9
Trans wind dir..NW NW NW NW NW NW N N NE SE S S
Trans spd (m/s).3 3 3 4 4 4 4 4 4 4 4 4
$$
Forecaster...KOWALSKI
Requested by...Lucas Doucet
Type of request...WILDFIRE
.TAG 2520220.0/LCH
.DELDT 08/19/25
.FormatterVersion 2.0.0
.EMAIL lucas_doucet@fws.gov,sami_gray@fws.gov