Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

98°F

37°C

Humidity 32%
Wind Speed Calm
Barometer 29.95 in (1013.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 27 Aug 4:53 pm CDT
Extended Forecast for

Charleston AR

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 98. North wind around 5 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 70. North wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Northeast wind around 5 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Southeast wind around 5 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. East wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. East wind 5 to 10 mph becoming south in the morning.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 99. Southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 99 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 98. North wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 68. East wind around 5 mph.
Saturday
Sunny, with a high near 96. Southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 68. East wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. East wind 5 to 10 mph becoming south in the morning.
Sunday Night
Clear, with a low around 72. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 99. Southeast wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. East wind around 5 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston AR
 35.29°N 94.04°W
4:50 pm CDT Aug 27, 2026
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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