Areas of Thunderstorms and Heavy Rain Across the Country; Heat Wave Begins This Weekend

Widespread showers and thunderstorms, some severe, may bring heavy rain and flash flooding in the central Gulf Coast, Mid-Atlantic, the Upper Midwest, the Great Basin and Southwest. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend. Critical fire weather conditions are expected in the Northwest and Great Basin. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Charleston AR

Heat Advisory July 18, 12:00pm until July 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 97. Heat index values as high as 107. Calm wind becoming south around 5 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. East wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the morning.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Southwest wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Calm wind.
Friday
Sunny, with a high near 97. Heat index values as high as 107. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 74. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Sunday
Sunny, with a high near 96. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Monday
Sunny, with a high near 96. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Tuesday
Sunny, with a high near 98. Southeast wind around 5 mph becoming southwest in the morning.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 99. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston AR
 35.31°N 94.06°W
11:51 pm CDT Jul 17, 2025
12am CDT Jul 18, 2025-6pm CDT Jul 24, 2025
 
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Additional Resources

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