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 and Breezy

63°F

17°C

Humidity 88%
Wind Speed S 22 mph
Barometer 29.57 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Apr 4:55 am CDT
Extended Forecast for

Alta IA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a temperature rising to near 69 by 9am, then falling to around 51 during the remainder of the day. Windy, with a south wind 20 to 30 mph becoming north northwest in the afternoon. Winds could gust as high as 40 mph.

    High: 69 °F⇓

    Chance
    Showers and
    Breezy then
    Partly Sunny
    and Windy

  • Tonight

    Tonight: A slight chance of rain and snow showers between 9pm and 10pm. Partly cloudy, with a low around 29. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Blustery.
    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 30 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Northwest wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. North wind around 10 mph becoming east southeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Breezy.

    High: 70 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a temperature rising to near 69 by 9am, then falling to around 51 during the remainder of the day. Windy, with a south wind 20 to 30 mph becoming north northwest in the afternoon. Winds could gust as high as 40 mph.
Tonight
A slight chance of rain and snow showers between 9pm and 10pm. Partly cloudy, with a low around 29. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 51. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 59. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 33. North wind around 10 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 70. Breezy.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 82. Breezy.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57. Breezy.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alta IA
 42.68°N 95.3°W (Elev. 1499 ft)
Last Update:
3:13 am CDT Apr 17, 2026
Forecast Valid:
5am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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