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

63°F

17°C

Humidity 68%
Wind Speed N 7 mph
Barometer 30.07 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 8:15 am CDT
Extended Forecast for

Sac City IA

  • Today

    Today: Increasing clouds, with a high near 80. North wind around 6 mph becoming calm in the afternoon.

    High: 80 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, with thunderstorms also possible after 4am. Cloudy, with a low around 57. East wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers. Mostly cloudy, with a high near 70. Breezy, with an east wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Northeast wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 77. East northeast wind 3 to 5 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 80. North wind around 6 mph becoming calm in the afternoon.
Tonight
Showers likely, with thunderstorms also possible after 4am. Cloudy, with a low around 57. East wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers. Mostly cloudy, with a high near 70. Breezy, with an east wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53. Northeast wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 77. East northeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
Last Update:
6:56 am CDT Jun 20, 2026
Forecast Valid:
8am 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