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

36°F

2°C

Humidity 73%
Wind Speed W 5 mph
Barometer 30.11 in (1021.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 1 Feb 7:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming calm after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35. Calm wind becoming east southeast around 5 mph.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow after 9pm. Cloudy, with a low around 21. East wind around 5 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 32. Northeast wind around 5 mph.

    High: 32 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Calm wind becoming northwest around 5 mph.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 35. Calm wind becoming east southeast around 5 mph.
Monday Night
A 20 percent chance of snow after 9pm. Cloudy, with a low around 21. East wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 32. Northeast wind around 5 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Calm wind becoming northwest around 5 mph.
Wednesday
Mostly cloudy, with a high near 36. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
7:22 pm CST Feb 1, 2026
Forecast Valid:
8pm CST Feb 1, 2026-6pm CST Feb 8, 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