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.

Fair

14°F

-10°C

Humidity 57%
Wind Speed N 13 mph
Barometer 30.60 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 22 Feb 7:15 pm CST
Extended Forecast for

Alta IA

  • Tonight

    Tonight: Mostly clear, with a low around 0. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 25. North wind 5 to 15 mph becoming south in the afternoon.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 22 during the remainder of the night. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 15 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a south southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Partly sunny, with a high near 36. Northwest wind 5 to 10 mph becoming southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Thursday Night

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

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 0. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 25. North wind 5 to 15 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 22 during the remainder of the night. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 50. Breezy, with a south southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 20. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow after noon. Partly sunny, with a high near 36. Northwest wind 5 to 10 mph becoming 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 15.
Thursday
Sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alta IA
 42.68°N 95.3°W (Elev. 1499 ft)
Last Update:
4:43 pm CST Feb 22, 2026
Forecast Valid:
7pm CST Feb 22, 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