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

67°F

19°C

Humidity 20%
Wind Speed N 3 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 7 May 3:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 39 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 77. Light west wind becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind 10 to 15 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 73. West wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. North wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 71. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 77. Light west wind becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 45. Northwest wind 10 to 15 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 73. West wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 40. North wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 71. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 80.
Monday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 79. Breezy.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 84.
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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:
2:33 pm CDT May 7, 2026
Forecast Valid:
4pm CDT May 7, 2026-6pm CDT May 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation