Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Ruston, Ruston Regional Airport (KRSN)

Lat: 32.51°NLon: 92.59°WElev: 312ft.

A Few Clouds

103°F

39°C

Humidity 27%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 22 Aug 5:55 pm CDT
Extended Forecast for

3 Miles E Downsville LA

Heat Advisory August 22, 05:58pm until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 05:58pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 7am and 1pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind.  Chance of precipitation is 30%.

    High: 100 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 77. Calm wind.  Chance of precipitation is 30%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 95 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Sunny and hot, with a high near 99. Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers between 7am and 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny and hot, with a high near 99. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
Mostly sunny and hot, with a high near 98.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 98.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Downsville LA
 32.63°N 92.37°W (Elev. 184 ft)
1:37 pm CDT Aug 22, 2026
5pm CDT Aug 22, 2026-6pm CDT Aug 29, 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