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.

A Few Clouds and Windy

63°F

17°C

Humidity 94%
Wind Speed S 26 mph
Barometer 29.69 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Apr 7:35 am CDT
Extended Forecast for

Storm Lake IA

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 79 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 10 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
Partly cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. North wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 10 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 55.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 70. Breezy.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 33. Breezy.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Storm Lake IA
 42.64°N 95.21°W (Elev. 1398 ft)
Last Update:
6:34 am CDT Apr 12, 2026
Forecast Valid:
7am CDT Apr 12, 2026-6pm CDT Apr 18, 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