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

Ruston, Ruston Regional Airport (KRSN)

Lat: 32.51°NLon: 92.59°WElev: 312ft.

A Few Clouds

97°F

36°C

Humidity 48%
Wind Speed Vrbl 7 mph
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 19 Aug 12:35 pm CDT
Extended Forecast for

4 Miles NE Downsville LA

Heat Advisory August 19, 12:39pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 12:39pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 101. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 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

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 101. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 102. Heat index values as high as 108. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 79. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 109. Southwest wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind becoming south around 5 mph.
Friday
Sunny and hot, with a high near 101. Southwest wind around 5 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Downsville LA
 32.66°N 92.37°W (Elev. 230 ft)
12:20 pm CDT Aug 19, 2026
12pm CDT Aug 19, 2026-6pm CDT Aug 25, 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