Sulphur, LA Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sulphur, LA in one place.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Heat index values as high as 109. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Sulphur, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 24, 2026 8:35 AM CDT.
The active forecast window currently covers Aug 24 to Aug 30, 2026 for Sulphur, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 8:35 AM CDT
- Forecast office
- LCH
- Source
- NOAA / NWS
Daily Outlook
This Week in Sulphur
Today looks like the warmest upcoming period in Sulphur at 96 degrees F.
Friday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Today at about 0 to 5 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 8:35 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LCH
- Radar station
- KLCH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Heat index values as high as 106. South wind around 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 95. Heat index values as high as 106. West wind 0 to 5 mph.
Mostly clear, with a low around 77. Heat index values as high as 105. Southwest wind 0 to 5 mph.
Sunny, with a high near 95. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 77. Southwest wind 0 to 5 mph.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 93. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly cloudy, with a low around 75. South wind 0 to 5 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. West wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 91. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 24
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
SW
|
|
Tonight
Aug 24
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
5 mph
S
|
|
Tuesday
Aug 25
|
Sunny
|
95°F |
0 to 5 mph
W
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
77°F |
0 to 5 mph
SW
|
|
Wednesday
Aug 26
|
Sunny
|
95°F |
0 to 5 mph
SW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
77°F |
0 to 5 mph
SW
|
|
Thursday
Aug 27
|
Showers And Thunderstorms Likely
|
93°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
75°F |
0 to 5 mph
S
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
W
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 mph
|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
E
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
0 to 5 mph
SE
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SE
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sulphur.