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

91°F

33°C

Humidity 71%
Wind Speed SW 9 mph
Barometer 29.90 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 26 Jul 11:55 am CDT
Extended Forecast for

3 Miles SSE Sac City IA

Heat Advisory July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 4am. Partly cloudy, with a low around 77. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind 5 to 8 mph becoming north northeast in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. North northeast wind 3 to 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 97. Heat index values as high as 111. South wind 11 to 13 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms between 11pm and 4am. Partly cloudy, with a low around 77. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind 5 to 8 mph becoming north northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 71. North northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 92. Calm wind.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 89.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Sac City IA
 42.37°N 94.97°W
Last Update:
11:57 am CDT Jul 26, 2026
Forecast Valid:
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 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