National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

70°F

21°C

Humidity 28%
Wind Speed NW 12 mph
Barometer 29.54 in (999.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 9:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Breezy, with an east southeast wind 10 to 15 mph becoming north northeast 20 to 25 mph after midnight. Winds could gust as high as 40 mph.

    Low: 43 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a north wind around 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Decreasing
    Clouds and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. North wind 10 to 15 mph becoming light and variable after midnight.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 57. Light east southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. South wind around 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Breezy, with an east southeast wind 10 to 15 mph becoming north northeast 20 to 25 mph after midnight. Winds could gust as high as 40 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a north wind around 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 28. North wind 10 to 15 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 57. Light east southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 36. South wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 65. Breezy.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 55.
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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:
7:23 pm CDT Mar 21, 2026
Forecast Valid:
9pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation