Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

65°F

18°C

Humidity 70%
Wind Speed Calm
Barometer 30.06 in (1017.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 May 10:53 pm CDT
Extended Forecast for

3 Miles SSW Mountainburg AR

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north around 5 mph in the morning.

    High: 81 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Calm wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 64. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 82. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mountainburg AR
 35.6°N 94.17°W
10:50 pm CDT May 12, 2026
11pm CDT May 12, 2026-6pm CDT May 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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