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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

97°F

36°C

Humidity 42%
Wind Speed S 10 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 13 Aug 11:53 am CDT
Extended Forecast for

3 Miles ENE Riverdale AR

Heat Advisory August 13, 12:12pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 12:12pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. Heat index values as high as 109. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 75. South wind 5 to 10 mph becoming light southeast in the evening.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. West wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 113. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 103. Heat index values as high as 109. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Clear, with a low around 75. South wind 5 to 10 mph becoming light southeast in the evening.
Saturday
Sunny and hot, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 103. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 77. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 76. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 101. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Riverdale AR
 35.45°N 94.06°W
Last Update:
11:50 am CDT Aug 13, 2026
Forecast Valid:
12pm CDT Aug 13, 2026-6pm CDT Aug 19, 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