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

34°F

1°C

Humidity 76%
Wind Speed NW 9 mph
Barometer 29.96 in (1015.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 15 Feb 12:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Mostly clear, with a low around 28. Northwest wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. South southwest wind around 5 mph becoming east southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Decreasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny and
    Breezy

  • Wednesday Night

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

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 37. South wind 5 to 15 mph, with gusts as high as 25 mph.
Washington's Birthday
Mostly sunny, with a high near 65. South southwest wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. East southeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 39. Breezy.
Wednesday
Sunny, with a high near 54. Breezy.
Wednesday Night
A slight chance of rain and snow after midnight. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 41. Breezy.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 35.
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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:
12:33 am CST Feb 15, 2026
Forecast Valid:
1am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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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