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

27°F

-3°C

Humidity 92%
Wind Speed E 7 mph
Barometer 30.16 in (1022.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 12:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. South southeast wind around 5 mph becoming west.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 56. West northwest wind around 5 mph becoming southwest in the morning.

    High: 56 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 55 °F

    Partly Sunny
    then Mostly
    Cloudy 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 30 mph.

    Low: 25 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow after noon. Partly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Slight Chance
    Snow and
    Blustery

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. South southeast wind around 5 mph becoming west.
Monday
Partly sunny, then gradually becoming sunny, with a high near 56. West northwest wind around 5 mph becoming southwest in the morning.
Monday Night
Partly cloudy, with a low around 34. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 55. Breezy, with a west northwest wind 10 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 30 mph.
Wednesday
Sunny, with a high near 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
A slight chance of rain and snow after noon. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26. Blustery.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 30.
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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 am CST Jan 12, 2026
Forecast Valid:
1am CST Jan 12, 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