Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

89°F

32°C

Humidity 48%
Wind Speed E 6 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 31 Aug 9:53 am CDT
Extended Forecast for

4 Miles N Dean Spg AR

Heat Advisory August 31, 12:00pm until August 31, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 102. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 74. Southeast wind around 5 mph becoming calm  after midnight.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Southeast wind 5 to 10 mph becoming light  after midnight.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light  in the evening.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 102. South wind around 5 mph.
Tonight
Clear, with a low around 74. Southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 73. Southeast wind 5 to 10 mph becoming light after midnight.
Wednesday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 98. Calm wind becoming southeast around 5 mph.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 99. Calm wind becoming southeast around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Dean Spg AR
 35.58°N 94.23°W
7:50 am CDT Aug 31, 2026
10am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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