National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Lake Charles Regional Airport (KLCH)

Lat: 30.13°NLon: 93.23°WElev: 7ft.

82°F

28°C

Humidity 88%
Wind Speed W 6 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 78°F (26°C)
Visibility 7.00 mi
Heat Index91°F (33°C)
Last update 23 Aug 7:53 am CDT
Extended Forecast for

13 Miles S Lake Arthur LA

Heat Advisory August 23, 11:00am until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 92. Heat index values as high as 106. Southwest wind around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 84. Southwest wind around 10 mph.

    Low: 84 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 84. Southwest wind around 10 mph.

    Low: 84 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84. Southwest wind around 10 mph.

    Low: 84 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 83. Southwest wind 10 to 15 mph.

    Low: 83 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. West wind around 5 mph. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 106. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 84. Southwest wind around 10 mph.
Monday
Sunny, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 84. Southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 84. Southwest wind around 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 83. Southwest wind 10 to 15 mph.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. West wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 81.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles S Lake Arthur LA
 29.89°N 92.69°W
Last Update:
7:45 am CDT Aug 23, 2026
Forecast Valid:
8am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation