Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

A Few Clouds

93°F

34°C

Humidity 46%
Wind Speed NW 8 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 7 Jul 6:53 pm CDT
Extended Forecast for

Fort Smith AR

  • Tonight

    Tonight: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after 1pm.  Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Heat index values as high as 103. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Southwest wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 77 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.
Wednesday
Isolated showers and thunderstorms after 1pm. Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 98. Heat index values as high as 103. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Friday
Sunny, with a high near 98. Southwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Fort Smith AR
 35.38°N 94.39°W
6:50 pm CDT Jul 7, 2026
7pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database