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

7°F

-14°C

Humidity 78%
Wind Speed NE 9 mph
Barometer 30.59 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 23 Feb 8:35 am CST
Extended Forecast for

Sac City IA

  • Today

    Today: Sunny, with a high near 24. Wind chill values as low as -5. North wind 5 to 10 mph becoming south in the afternoon.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 21 by 5am. Wind chill values as low as zero. South wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 18 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 46 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Partly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 24. Wind chill values as low as -5. North wind 5 to 10 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a temperature rising to around 21 by 5am. Wind chill values as low as zero. South wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Wednesday
A 40 percent chance of snow after noon. Partly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming southeast in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Thursday
Sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 28.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 38. Breezy.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
Last Update:
6:36 am CST Feb 23, 2026
Forecast Valid:
8am CST Feb 23, 2026-6pm CST Mar 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