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

63°F

17°C

Humidity 25%
Wind Speed SW 10 G 17 mph
Barometer 30.04 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 2 May 2:55 pm CDT
Extended Forecast for

Alta IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. West southwest wind around 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Scattered sprinkles before midnight, then isolated showers between midnight and 2am, then scattered sprinkles after 2am. Mostly cloudy, with a low around 45. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Partly Cloudy
    then Isolated
    Showers

  • Sunday

    Sunday: Sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind 5 to 10 mph becoming south southwest after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 77 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 65. West southwest wind around 10 mph.
Tonight
Scattered sprinkles before midnight, then isolated showers between midnight and 2am, then scattered sprinkles after 2am. Mostly cloudy, with a low around 45. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45. West wind 5 to 10 mph becoming south southwest after midnight.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alta IA
 42.68°N 95.33°W (Elev. 1473 ft)
Last Update:
2:43 pm CDT May 2, 2026
Forecast Valid:
3pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation