National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Alexandria, Alexandria International Airport (KAEX)

Lat: 31.33°NLon: 92.56°WElev: 89ft.

Fair

92°F

33°C

Humidity 52%
Wind Speed S 5 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 18 Aug 6:53 pm CDT
Extended Forecast for

4 Miles NNW Colfax LA

Heat Advisory August 18, 07:40pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 07:40pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 107. Southwest wind around 5 mph becoming calm.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 77. South wind around 5 mph.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 107. Southwest wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph.
Friday
Sunny and hot, with a high near 99.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Colfax LA
 31.57°N 92.71°W (Elev. 167 ft)
Last Update:
6:30 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation