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

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

8°F

-13°C

Humidity 69%
Wind Speed NW 9 mph
Barometer 30.70 in (1042.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 22 Feb 11:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Mostly clear, with a low around 1. North wind 5 to 10 mph becoming light.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 26. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. Breezy, with a south southeast wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 54 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Partly sunny, with a high near 40. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

    Low: 21 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 1. North wind 5 to 10 mph becoming light.
Monday
Sunny, with a high near 26. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 16. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 54. Breezy, with a south southeast wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 19. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain and snow after noon. Partly sunny, with a high near 40. North northwest wind 5 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 63.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
12:13 am CST Feb 23, 2026
Forecast Valid:
12am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation