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

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

108°F

42°C

Humidity 21%
Wind Speed SW 10 G 16 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 19 Aug 3:53 pm CDT
Extended Forecast for

6 Miles NW Ozark AR

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Extreme Heat Warning August 19, 04:28pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 04:28pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 107 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South wind around 5 mph becoming north after midnight.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 109. North wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. East wind around 5 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. East wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Sunny and hot, with a high near 101. East wind around 5 mph becoming southeast in the afternoon.

    High: 101 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. East wind around 5 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 107. Heat index values as high as 113. Southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 76. South wind around 5 mph becoming north after midnight.
Thursday
Partly sunny, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 109. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph.
Friday
Sunny and hot, with a high near 101. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 72. East wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101. East wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 72. East wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. East wind around 5 mph becoming southeast in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. East wind around 10 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. East wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 102. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Ozark AR
 35.56°N 93.92°W
3:50 pm CDT Aug 19, 2026
4pm 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