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

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Fair

86°F

30°C

Humidity 70%
Wind Speed SW 8 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 18 Aug 8:53 pm CDT
Extended Forecast for

5 Miles N Washington LA

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

    Tonight: Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 77. Calm wind becoming south around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the morning.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Friday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind becoming south around 5 mph.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Washington LA
 30.68°N 92.04°W
6:45 pm CDT Aug 18, 2026
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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