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

19°F

-7°C

Humidity 93%
Wind Speed N 16 mph
Barometer 29.68 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 19 Feb 7:55 am CST
Extended Forecast for

Marathon IA

Winter Weather Advisory February 19, 12:00pm until February 20, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A chance of flurries between noon and 4pm, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 33. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Tonight

    Tonight: A chance of snow before 3am, then a chance of flurries between 3am and 4am. Cloudy, with a low around 17. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Patchy blowing snow between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 31. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Cloudy
    and Blustery
    then Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Northwest wind around 10 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

Detailed Forecast

Today
A chance of flurries between noon and 4pm, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 33. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of snow before 3am, then a chance of flurries between 3am and 4am. Cloudy, with a low around 17. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Patchy blowing snow between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 31. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 12. Northwest wind around 10 mph.
Saturday
Partly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 8. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 4.
Monday
Sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 49.
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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:
5:33 am CST Feb 19, 2026
Forecast Valid:
8am CST Feb 19, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation