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

49°F

9°C

Humidity 66%
Wind Speed E 7 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 29 Mar 11:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Mostly clear, with a low around 41. East southeast wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 85. Southeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 9pm, then a slight chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then rain and snow showers between 10am and 4pm, then rain showers after 4pm. High near 43. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Showers. Low around 30. Chance of precipitation is 90%.

    Low: 30 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 1pm. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East southeast wind around 5 mph.
Monday
Increasing clouds, with a high near 85. Southeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of showers before 9pm, then a slight chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. South wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 20%.
Tuesday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of snow showers before 10am, then rain and snow showers between 10am and 4pm, then rain showers after 4pm. High near 43. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Showers. Low around 30. Chance of precipitation is 90%.
Thursday
Showers, mainly before 1pm. High near 43. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 28.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 46. Breezy.
Saturday Night
Partly cloudy, with a low around 25. Blustery.
Sunday
Sunny, with a high near 53.
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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:
11:53 pm CDT Mar 29, 2026
Forecast Valid:
12am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation