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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Mostly Cloudy

88°F

31°C

Humidity 68%
Wind Speed W 5 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 25 Jul 9:53 am CDT
Extended Forecast for

3 Miles S Charleston AR

Heat Advisory July 25, 12:00pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 111. West wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Heat index values as high as 113. Calm wind becoming west around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Calm wind becoming west around 5 mph in the morning.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. West wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the morning.

    High: 101 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 111. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 102. Heat index values as high as 113. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 105. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 79. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 101. East wind around 5 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. East wind around 5 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Charleston AR
 35.27°N 94.06°W
Last Update:
10:11 am CDT Jul 25, 2026
Forecast Valid:
10am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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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