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

Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

100°F

38°C

Humidity 26%
Wind Speed NA
Barometer 29.98 in (1014.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 29 Aug 3:53 pm CDT
Extended Forecast for

Charleston AR

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 100. East wind around 5 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 68. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. East wind 5 to 10 mph becoming south in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. East wind 5 to 10 mph becoming south in the afternoon.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Calm wind becoming south around 5 mph in the afternoon.

    High: 102 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. East wind around 5 mph.
Tonight
Mostly clear, with a low around 68. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and hot, with a high near 102. East wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 103. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 103. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 102. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light southeast after midnight.
Thursday
Sunny and hot, with a high near 103. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light after midnight.
Friday
Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston AR
 35.31°N 94.06°W
Last Update:
3:50 pm CDT Aug 29, 2026
Forecast Valid:
4pm CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
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