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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

83°F

28°C

Humidity 77%
Wind Speed S 9 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 7:53 am CDT
Extended Forecast for

Natural Dam AR

  • Today

    Today: Sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 72. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Natural Dam AR
 35.65°N 94.39°W
Last Update:
1:08 am CDT Jun 21, 2025
Forecast Valid:
8am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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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