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

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

A Few Clouds

55°F

13°C

Humidity 55%
Wind Speed W 5 mph
Barometer 29.89 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 14 Feb 6:15 pm CST
Extended Forecast for

Storm Lake IA

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Chance Rain
    and Breezy

  • Wednesday

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

    High: 55 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Clear
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind around 5 mph.
Sunday
Sunny, with a high near 62. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Washington's Birthday
Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 42. Breezy.
Wednesday
Sunny, with a high near 55. Breezy.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 27.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 40.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 35.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Storm Lake IA
 42.64°N 95.21°W (Elev. 1398 ft)
Last Update:
6:28 pm CST Feb 14, 2026
Forecast Valid:
6pm CST Feb 14, 2026-6pm CST Feb 21, 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