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

61°F

16°C

Humidity 54%
Wind Speed Calm
Barometer 29.66 in (1004.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 17 Oct 7:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming west southwest around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely, mainly after 3pm. Increasing clouds, with a high near 64. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Partly Sunny
    then Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 38. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 63. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Breezy, with a southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Calm wind becoming west southwest around 5 mph.
Saturday
Showers likely, mainly after 3pm. Increasing clouds, with a high near 64. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 38. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 63. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 65. Breezy, with a southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 67.
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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:
7:38 pm CDT Oct 17, 2025
Forecast Valid:
8pm CDT Oct 17, 2025-6pm CDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation