Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

89°F

32°C

Humidity 57%
Wind Speed S 3 mph
Barometer 29.96 in (1013.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 1 Jul 7:53 pm CDT
Extended Forecast for

4 Miles N Dean Spg AR

Heat Advisory until July 1, 08:00pm
Heat Advisory July 2, 01:00pm until July 2, 08:00pm
Click here for hazard details and duration
...
Heat Advisory
  •  
    Heat Advisory until July 1, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 74 °F

    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 91. Heat index values as high as 101. East wind around 5 mph becoming south in the morning.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

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

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Heat index values as high as 101. East wind around 5 mph becoming south in the morning.
Thursday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Independence Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Dean Spg AR
 35.58°N 94.23°W
6:50 pm CDT Jul 1, 2026
7pm CDT Jul 1, 2026-6pm CDT Jul 8, 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