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

21°F

-6°C

Humidity 78%
Wind Speed S 8 mph
Barometer 30.07 in (1020.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Dec 2:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 23. South wind 5 to 10 mph.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 1. South wind around 5 mph becoming calm in the evening.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. South wind 5 to 10 mph.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of freezing rain after midnight, mixing with snow after 3am. Mostly cloudy, with a temperature rising to around 28 by midnight. South wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.

    Low: 16 °F⇑

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 11 by 5pm. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F⇓

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -12. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: -12 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 23. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 1. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 31. South wind 5 to 10 mph.
Tuesday Night
A slight chance of freezing rain after midnight, mixing with snow after 3am. Mostly cloudy, with a temperature rising to around 28 by midnight. South wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 11 by 5pm. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around -12. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly cloudy, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
3:18 pm CST Dec 1, 2025
Forecast Valid:
3pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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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