236
FNUS74 KLCH 221151
FWSLCH
SPOT FORECAST FOR MARSH BAYOU WMA...LDWF
NATIONAL WEATHER SERVICE LAKE CHARLES LA
651 AM CDT WED JUL 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON JULY 23.
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
HOT AND HUMID CONDITIONS ARE EXPECTED ACROSS THE REGION TODAY.
AFTERNOON MINIMUM RH VALUES WILL BE IN THE 50 TO 60 PERCENT RANGE
AND WHEN COMBINED WITH AIR TEMPERATURES NEAR 100 THE HEAT INDEX IN
THE AFTERNOON WILL BE AROUND 115 DEGREES. TROPICAL STORM BERTHA WILL
APPROACH THE AREA LATE TONIGHT INTO THURSDAY. AT THE MOMENT THIS
SYSTEM IS EXPECTED TO BE ASYMMETRICAL WITH A MAJORITY OF THE HIGHER
WINDS AND RAIN AMOUNTS TO THE SOUTH OF THE TRACK OF THE CENTER,
WHICH IS EXPECTED TO BE RIGHT ALONG OR JUST OFF THE COAST.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE AFTERNOON, THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........61 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 7 MPH BECOMING 5 TO 6 MPH
LATE IN THE AFTERNOON.
WIND (20 FT)........EAST WINDS 7 TO 8 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....EAST 18 TO 20 MPH SHIFTING TO THE SOUTHEAST 12
TO 18 MPH IN THE AFTERNOON.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 57 50 38 30 58 51 58 33
WEATHER COV..... SCH CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC SCH
TEMP............81 84 86 87 89 90 90 91 90
RH..............84 80 72 70 69 64 63 61 64
20 FT WIND DIR..NE NE E E E E E E E
20 FT WIND SPD..8 8 8 8 8 8 8 8 7
20 FT WIND GUST.21 21 21 22 22 22 21 20 18
EYE LVL WND DIR.E E E E SE SE SE SE SE
EYE LVL WND SPD.6 6 6 7 7 7 7 6 5
EYE LVL WND GST.13 13 13 13 13 13 13 12 11
MIX HGT (KFT)...2.0 2.4 2.7 3.3 3.4 3.5 3.3 3.5 3.2
TRANSP WIND DIR.NE E E E E E SE SE S
TRANSP WIND SPD.18 18 20 18 18 13 14 17 12
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 77.
MAX HUMIDITY........92 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 5 MPH DECREASING TO UP
TO 5 MPH.
WIND (20 FT)........SOUTHEAST WINDS AROUND 6 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........43 19 57 51 44 41 37 34 35 37 38 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............89 88 84 82 82 81 80 79 78 78 78 77
RH..............66 68 72 72 82 85 85 88 91 91 91 94
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..6 3 3 2 2 2 1 1 1 2 2 2
20 FT WIND GUST.17 16 15 13 12 12 10 10 10 9 8 8
EYE LVL WND DIR.SE SE SE S S S S S S SE SE SE
EYE LVL WND SPD.5 5 4 4 3 2 2 2 2 2 2 2
EYE LVL WND GST.10 10 9 8 7 7 6 6 6 5 5 5
MIX HGT (KFT)...2.8 1.2 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.3
TRANSP WIND DIR.S SE S S S S S S S S S S
TRANSP WIND SPD.12 13 10 10 12 12 10 9 8 8 7 7
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). CHANCE OF
SHOWERS. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........62 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 4 MPH INCREASING TO AROUND 4
MPH LATE IN THE AFTERNOON, THEN DECREASING TO
SOUTH AROUND 4 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........31 28 28 27 27 30 33 36 34 33 31 35
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC
TEMP............77 77 79 82 84 86 87 88 90 90 90 90
RH..............90 90 85 79 77 75 72 70 64 64 62 62
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..2 2 2 3 3 3 3 5 5 5 5 3
20 FT WIND GUST.7 6 7 8 8 8 9 9 9 10 10 10
EYE LVL WND DIR.SE SE SE S S S S S S S S S
EYE LVL WND SPD.2 2 2 3 3 3 4 4 4 4 4 4
EYE LVL WND GST.4 4 4 5 5 5 5 5 5 6 6 6
MIX HGT (KFT)...0.3 0.5 1.1 2.0 2.8 3.6 4.3 4.7 4.8 4.6 4.0 2.9
TRANSP WIND DIR.S S S S S S SW SW SW S S S
TRANSP WIND SPD.6 7 9 10 13 13 13 13 13 12 12 12
FORECASTER...BRAZZELL
REQUESTED BY...ERIC BAKA
TYPE OF REQUEST...PRESCRIBED
.TAG 2617943.0/LCH
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL EBAKA@WLF.LA.GOV
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