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.

Overcast

20°F

-7°C

Humidity 89%
Wind Speed SE 12 mph
Barometer 29.98 in (1017.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 1 Jan 9:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • New Year's Day

    New Year's Day: A chance of flurries and freezing rain before noon, then a chance of flurries between noon and 3pm. Partly sunny, with a high near 34. South southeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 10%.

    High: 34 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. East northeast wind around 5 mph becoming calm.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of freezing rain after noon. Cloudy, with a high near 30. East wind around 5 mph. Chance of precipitation is 20%.

    High: 30 °F

    Cloudy then
    Slight Chance
    Freezing Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Calm wind becoming south southwest around 5 mph in the morning.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

New Year's Day
A chance of flurries and freezing rain before noon, then a chance of flurries between noon and 3pm. Partly sunny, with a high near 34. South southeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 10%.
Tonight
Mostly cloudy, with a low around 20. East northeast wind around 5 mph becoming calm.
Friday
A slight chance of freezing rain after noon. Cloudy, with a high near 30. East wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 40. Calm wind becoming south southwest around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 23. Northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
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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:
7:58 am CST Jan 1, 2026
Forecast Valid:
10am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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