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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

18°F

-8°C

Humidity 62%
Wind Speed N 16 mph
Barometer 30.31 in (1027.9 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 3 Dec 3:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Mostly clear, with a low around -8. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: -8 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 21. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 21 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a steady temperature around 18. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 33. South wind around 5 mph becoming west northwest in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. West northwest wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27. Northwest wind 5 to 10 mph becoming east in the morning. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 13.

    High: 13 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -8. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 21. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Partly cloudy, with a steady temperature around 18. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 33. South wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27. Northwest wind 5 to 10 mph becoming east in the morning. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 2.
Sunday
Mostly cloudy, with a high near 13.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 36.
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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 3, 2025
Forecast Valid:
4pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
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