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

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

79°F

26°C

Humidity NA
Wind Speed Calm
Barometer 30.02 in (1016.4 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Aug 4:56 am CDT
Extended Forecast for

Glencoe LA

Heat Advisory August 19, 12:00pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 94. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 109. West wind 5 to 10 mph.

    High: 94 °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, with a high near 95. West wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Friday Night

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

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 96. West wind 5 to 10 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. West wind 5 to 10 mph becoming southwest in the afternoon.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 94. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 109. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 95. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 77. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 96. West wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Glencoe LA
 29.78°N 91.67°W
2:45 am CDT Aug 19, 2026
5am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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