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

38°F

3°C

Humidity 39%
Wind Speed NE 9 mph
Barometer 30.20 in (1024.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Feb 3:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Northeast wind 5 to 10 mph.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon. Cloudy, with a high near 44. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Cloudy then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Cloudy, with a low around 31. South southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 53. Northeast wind 5 to 10 mph.

    High: 53 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. Northeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of rain after noon. Cloudy, with a high near 44. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Rain likely, mainly before midnight. Cloudy, with a low around 31. South southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 53. Northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 67.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A 40 percent chance of rain. Mostly sunny, with a high near 56.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 26.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
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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:
2:19 pm CST Feb 28, 2026
Forecast Valid:
4pm CST Feb 28, 2026-6pm CST Mar 7, 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