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

86°F

30°C

Humidity 38%
Wind Speed S 17 mph
Barometer 30.11 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 12:55 pm CDT
Extended Forecast for

Sac City IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 14 mph, with gusts as high as 21 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 69 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Windy, with a south wind 15 to 25 mph, with gusts as high as 38 mph.

    High: 90 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Windy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 65 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Windy, with a south wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 85 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 14 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 69. South wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 90. Windy, with a south wind 15 to 25 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 65. Windy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Windy, with a south wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 67.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
Last Update:
11:53 am CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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