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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Lake Charles Regional Airport (KLCH)

Lat: 30.13°NLon: 93.23°WElev: 7ft.

Fair

91°F

33°C

Humidity 64%
Wind Speed S 15 G 23 mph
Barometer 29.95 in (1014.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 19 Aug 5:53 pm CDT
Extended Forecast for

3 Miles S Lacassine LA

Heat Advisory August 20, 12:00pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. West wind around 5 mph becoming south in the afternoon.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 5 mph.
Friday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 97. West wind around 5 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Lacassine LA
 30.19°N 92.92°W
Last Update:
6:20 pm CDT Aug 19, 2026
Forecast Valid:
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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