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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

53°F

12°C

Humidity 77%
Wind Speed NE 6 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 2 Jan 7:53 pm CST
Extended Forecast for

Mountainburg AR

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 44. East wind around 5 mph becoming calm.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 52. Light northwest wind becoming north 5 to 10 mph in the morning.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 50. Calm wind becoming southeast around 5 mph in the morning.

    High: 50 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Southeast wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind around 5 mph becoming calm after midnight.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Calm wind becoming southwest around 5 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 44. East wind around 5 mph becoming calm.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 52. Light northwest wind becoming north 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 50. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 39. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 48. South wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Mostly cloudy, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southeast wind around 5 mph.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 64. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 45. South wind 5 to 10 mph.
Friday
Sunny, with a high near 57. South wind 5 to 10 mph becoming northwest in the afternoon.
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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:
5:51 pm CST Jan 2, 2026
Forecast Valid:
7pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation