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Sulphur, Louisianna 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Sulphur LA
National Weather Service Forecast for:
Sulphur LA
Issued by: National Weather Service Lake Charles, LA |
| Updated: 1:40 am CDT Jun 24, 2025 |
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Overnight
Slight Chance
Showers
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Tuesday
Slight Chance
T-storms then
T-storms
Likely
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Tuesday
Night
T-storms
Likely then
Slight Chance
T-storms
|
Wednesday
Chance
T-storms
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Wednesday
Night
Partly Cloudy
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Thursday
Mostly Sunny
then Slight
Chance
T-storms
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Thursday
Night
Mostly Clear
then Slight
Chance
Showers
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Friday
Chance
T-storms
|
Friday
Night
Slight Chance
T-storms
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| Lo 74 °F |
Hi 91 °F |
Lo 75 °F |
Hi 90 °F |
Lo 74 °F |
Hi 92 °F |
Lo 75 °F |
Hi 91 °F |
Lo 76 °F |
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Overnight
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A 20 percent chance of showers. Partly cloudy, with a low around 74. Calm wind becoming east around 5 mph. |
Tuesday
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Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 91. Heat index values as high as 99. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Tuesday Night
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Showers and thunderstorms likely before 9pm, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Wednesday
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A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 90. East wind around 5 mph becoming southeast in the afternoon. |
Wednesday Night
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Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. |
Thursday
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A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. |
Thursday Night
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A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. |
Friday
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A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. |
Friday Night
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A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening. |
Saturday
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A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. |
Saturday Night
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A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. |
Sunday
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Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%. |
Sunday Night
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A 20 percent chance of showers. Partly cloudy, with a low around 76. |
Monday
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A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. |
Forecast from NOAA-NWS
for Sulphur LA.
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Weather Forecast Discussion
091
FXUS64 KLCH 240452
AFDLCH
Area Forecast Discussion
National Weather Service Lake Charles LA
1152 PM CDT Mon Jun 23 2025
...New AVIATION...
.KEY MESSAGES...
- Upper high moved off to the north and east will keep hot and
humid conditions in the forecast. Max afternoon heat index
values will be around 100-106 degrees.
- A moist and unstable air mass with a weakness aloft will help
bring a rather high daily chance of scattered showers and
thunderstorms, mainly in the afternoon, for the week.
&&
.SHORT TERM...
(Tonight through Wednesday night)
Issued at 138 PM CDT Mon Jun 23 2025
Very little change anticipated from day to day over the short term
period. Scattered convection has developed across southwestern
portions of the area. This increase in coverage is expected today
with high pressure having moved off to the north. Further
increases in rain chances / coverage expected Tuesday and
Wednesday as an inverted trof moves near the region.
High temps in the upper 80s to low/mid 90s are anticipated today,
Tuesday and again Wednesday with daytime maximum heat indices in
the 100 to 106F range. The increases in daytime PoPs may help keep
some heat in check, but never rely on this if you must be
outdoors.
11/Calhoun
&&
.LONG TERM...
(Thursday through next Sunday)
Issued at 138 PM CDT Mon Jun 23 2025
Surface high reappears into the mid to late week as upper high
dissipates. This surface high will keep most rain chances in check
and will allow for daytime temps, as well as maximum heat indices
to soar. By the start of the weekend, max heat indices in the 105
to 109F range will be possible. The first Heat Advisories of the
year may be coming down the pike.
11/Calhoun
&&
.AVIATION...
(06Z TAFS)
Issued at 1143 PM CDT Mon Jun 23 2025
A few, small thunderstorms will remain possible through the early
morning. Diurnally driven storms will increase in coverage from
16Z this morning and continue through approximately 00Z before
waning. Away from storms VFR conditions will prevail through the
period.
Gradient winds will be generally light out of the east owing to a
broad surface high centered over the southeast CONUS. However,
outflow boundaries resulting from developing storms may result in
periods of higher gusts and localized rapid changes in wind
direction.
Jones
&&
.MARINE...
Issued at 138 PM CDT Mon Jun 23 2025
High pressure settled far to the north remains well in control of
the forecast through the period. Expect nocturnal development
which will then persist developing over the waters in the daytime.
Low seas and onshore flow to persist.
&&
.FIRE WEATHER...
Issued at 138 PM CDT Mon Jun 23 2025
Hot and humid conditions to prevail. Daytime minimum RH values
will hover in the mid 50s to mid 60s. Expect a return to normal
summer pattern of showers and thunderstorms developing along the
coastline before moving inland in the afternoon and evening.
&&
.PRELIMINARY POINT TEMPS/POPS...
AEX 93 73 93 72 / 20 20 30 10
LCH 91 74 90 74 / 50 30 60 30
LFT 91 73 90 74 / 60 30 60 20
BPT 91 75 90 75 / 40 20 60 40
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...None.
TX...None.
GM...None.
&&
$$
SHORT TERM...11
LONG TERM....11
AVIATION...66
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