Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Lake Charles Regional Airport (KLCH)

Lat: 30.13°NLon: 93.23°WElev: 7ft.

Partly Cloudy

93°F

34°C

Humidity 52%
Wind Speed W 7 mph
Barometer 30.02 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 19 Aug 12:53 pm CDT
Extended Forecast for

Lake Arthur LA

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

    This Afternoon: Sunny, with a high near 95. Heat index values as high as 107. Southwest wind around 10 mph.

    High: 95 °F

    Sunny

  • Tonight

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

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 96 °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. West wind around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 107. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 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. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 78.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Arthur LA
 30.07°N 92.66°W
1:20 pm CDT Aug 19, 2026
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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