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

Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

12°F

-11°C

Humidity 62%
Wind Speed SE 7 mph
Barometer 30.57 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 23 Feb 10:35 am CST
Extended Forecast for

Marathon IA

  • Today

    Today: Sunny, with a high near 24. East wind 5 to 15 mph becoming south in the afternoon.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of sprinkles between noon and 3pm. Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 48 °F

    Mostly Cloudy
    then Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Increasing clouds, with a high near 34. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18. Southeast wind around 10 mph becoming northwest after midnight. New snow accumulation of around an inch possible.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 24. East wind 5 to 15 mph becoming south in the afternoon.
Tonight
Mostly cloudy, with a low around 14. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of sprinkles between noon and 3pm. Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow after noon. Increasing clouds, with a high near 34. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18. Southeast wind around 10 mph becoming northwest after midnight. New snow accumulation of around an inch possible.
Thursday
Sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon IA
 42.85°N 94.97°W (Elev. 1375 ft)
Last Update:
10:43 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation