Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Fair

91°F

33°C

Humidity 64%
Wind Speed SW 10 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 20 Aug 6:53 pm CDT
Extended Forecast for

Iota LA

Heat Advisory August 21, 10:00am until August 21, 08:00pm
Heat Advisory August 20, 07:43pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 20, 07:43pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 3pm and 4pm.  Sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west around 5 mph.  Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Southwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 76. Calm wind.
Sunday
Mostly sunny and hot, with a high near 98. Calm wind.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Iota LA
 30.32°N 92.5°W
6:45 pm CDT Aug 20, 2026
7pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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