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

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

84°F

29°C

Humidity 53%
Wind Speed Vrbl 5 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 11 Oct 11:53 am CDT
Extended Forecast for

Mountainburg AR

  • Today

    Today: Sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Columbus Day
Sunny, with a high near 88. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 69. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a high near 72. North wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 51. North wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 67. North wind 10 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainburg AR
 35.63°N 94.17°W
Last Update:
10:50 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation