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

48°F

9°C

Humidity 87%
Wind Speed W 9 mph
Barometer 29.83 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 4 Nov 9:15 pm CST
Extended Forecast for

Marathon IA

  • Tonight

    Tonight: Mostly clear, with a low around 38. Breezy, with a west southwest wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 55. Breezy, with a north northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Light and variable wind becoming south southeast 5 to 10 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 42. South southwest wind 10 to 15 mph becoming west northwest after midnight.

    Low: 42 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Breezy, with a west southwest wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 55. Breezy, with a north northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 33. Light and variable wind becoming south southeast 5 to 10 mph after midnight.
Thursday
Mostly cloudy, with a high near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 42. South southwest wind 10 to 15 mph becoming west northwest after midnight.
Friday
Sunny, with a high near 58. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 22.
Veterans Day
Partly sunny, with a high near 50.
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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:
7:48 pm CST Nov 4, 2025
Forecast Valid:
9pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation