National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Partly Cloudy

79°F

26°C

Humidity 70%
Wind Speed E 6 mph
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Jul 4:15 pm CDT
Extended Forecast for

Sac City IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. East wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 84. Calm wind.
Tonight
Partly cloudy, with a low around 64. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. East wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
Last Update:
4:03 pm CDT Jul 10, 2026
Forecast Valid:
4pm CDT Jul 10, 2026-6pm CDT Jul 16, 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