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 48%
Wind Speed S 13 mph
Barometer 30.34 in (1029.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Jan 1:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. South wind 5 to 10 mph becoming west northwest after midnight.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 52. West northwest wind around 5 mph becoming southwest in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 40. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 27. South wind 5 to 10 mph becoming west northwest after midnight.
Monday
Mostly sunny, with a high near 52. West northwest wind around 5 mph becoming southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 56. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
A 20 percent chance of rain after noon. Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 23.
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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:
1:03 pm CST Jan 11, 2026
Forecast Valid:
1pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation