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

37°F

3°C

Humidity 65%
Wind Speed S 14 mph
Barometer 30.27 in (1026.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Jan 4:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Increasing clouds, with a low around 26. South wind 5 to 10 mph becoming north northwest after midnight.

    Low: 26 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 53. West southwest wind 5 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Southwest wind 5 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 26. South wind 5 to 10 mph becoming north northwest after midnight.
Monday
Mostly sunny, with a high near 53. West southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 35. Southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 56. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday
Mostly sunny, with a high near 33. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 41.
Thursday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
4:43 pm CST Jan 11, 2026
Forecast Valid:
5pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation