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

75°F

24°C

Humidity 34%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 3:55 pm CDT
Extended Forecast for

Sac City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Light north wind.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. East wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 68. Breezy, with an east wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. East northeast wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Light north wind.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. East wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 68. Breezy, with an east wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 53. East northeast wind 5 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 76. North northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 79.
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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:
2:44 pm CDT Jun 20, 2026
Forecast Valid:
4pm CDT Jun 20, 2026-6pm CDT Jun 26, 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