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

Alexandria, Alexandria International Airport (KAEX)

Lat: 31.33°NLon: 92.56°WElev: 89ft.

Fair

78°F

26°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 6:53 am CDT
Extended Forecast for

2 Miles SSW Sieper LA

Extreme Heat Warning August 21, 10:00am until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Sunny and hot, with a high near 100. Heat index values as high as 111. Calm wind becoming west around 5 mph.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 5pm.  Sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming northwest around 5 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • 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 99. Calm wind.

    High: 99 °F

    Hot

  • Sunday Night

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

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Calm wind becoming south around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 111. Calm wind becoming west around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming northwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 76. Calm wind.
Sunday
Mostly sunny and hot, with a high near 99. Calm wind.
Sunday Night
Partly cloudy, with a low around 76. Calm wind.
Monday
Mostly sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 75. Calm wind becoming south around 5 mph.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Sieper LA
 31.17°N 92.8°W
6:45 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database