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

43°F

6°C

Humidity 81%
Wind Speed S 20 mph
Barometer 29.85 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Apr 3:55 am CDT
Extended Forecast for

Storm Lake IA

  • Today

    Today: A chance of showers or sprinkles before 3pm, then a slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 66. Windy, with a south wind 20 to 30 mph becoming west northwest in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 55. Northwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. North northeast wind around 10 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 57. North northeast wind 5 to 10 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 39. East southeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Breezy. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
A chance of showers or sprinkles before 3pm, then a slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 66. Windy, with a south wind 20 to 30 mph becoming west northwest in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 55. Northwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. North northeast wind around 10 mph. Chance of precipitation is 60%.
Friday
Sunny, with a high near 57. North northeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 39. East southeast wind 5 to 10 mph.
Saturday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. Breezy. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57. Breezy.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 75. Breezy.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 51. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Storm Lake IA
 42.66°N 95.18°W (Elev. 1427 ft)
Last Update:
1:33 am CDT Apr 8, 2026
Forecast Valid:
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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