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

43°F

6°C

Humidity 81%
Wind Speed W 10 mph
Barometer 29.94 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Feb 12:35 am CST
Extended Forecast for

Storm Lake IA

  • Overnight

    Overnight: Clear, with a low around 31. West southwest wind around 5 mph becoming northwest.

    Low: 31 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. South 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. West southwest wind 5 to 10 mph becoming east in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. East southeast wind 5 to 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 66 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Clear, with a low around 31. West southwest wind around 5 mph becoming northwest.
Sunday
Sunny, with a high near 64. West northwest wind 5 to 10 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. South wind 10 to 15 mph, with gusts as high as 25 mph.
Washington's Birthday
Mostly sunny, with a high near 62. West southwest wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. East southeast wind 5 to 15 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 40. Breezy.
Wednesday
Sunny, with a high near 52. Breezy.
Wednesday Night
Partly cloudy, with a low around 27. Breezy.
Thursday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 41. Breezy.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Blustery.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 33.
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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:
12:33 am CST Feb 15, 2026
Forecast Valid:
12am CST Feb 15, 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