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

82°F

28°C

Humidity 67%
Wind Speed W 3 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Jun 10:53 am CDT
Extended Forecast for

Mountainburg AR

  • Today

    Today: Partly sunny, with a high near 82. Northwest wind around 5 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. South wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 82. Northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 68. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light south in the evening.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Saturday
Sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 72. Southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainburg AR
 35.63°N 94.2°W
Last Update:
6:50 am CDT Jun 16, 2025
Forecast Valid:
11am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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Additional Resources

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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