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

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 30 Aug 5:35 am CDT
Extended Forecast for

Storm Lake IA

  • Today

    Today: A chance of sprinkles between noon and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 79. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East northeast wind around 5 mph.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East southeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. East wind around 5 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles between noon and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 79. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East northeast wind around 5 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East southeast wind around 5 mph. Chance of precipitation is 50%.
Labor Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. East wind around 5 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 30%.
Tuesday
A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 71.
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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:
4:26 am CDT Aug 30, 2025
Forecast Valid:
5am CDT Aug 30, 2025-6pm CDT Sep 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation