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

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

77°F

25°C

Humidity 82%
Wind Speed Calm
Barometer 30.12 in (1019.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Jun 4:53 am CDT
Extended Forecast for

South Fort Smith AR

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming south around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Thursday Night

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

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning.

    High: 93 °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

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
South Fort Smith AR
 35.34°N 94.42°W
Last Update:
2:50 am CDT Jun 25, 2025
Forecast Valid:
5am CDT Jun 25, 2025-6pm CDT Jul 1, 2025
 
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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