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

66°F

19°C

Humidity 26%
Wind Speed NA
Barometer 30.06 in (1018.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 2 May 1:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West southwest wind around 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 71. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West northwest wind around 5 mph becoming south after midnight.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 71. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 43. West northwest wind around 5 mph becoming south after midnight.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 73.
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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:
1:33 pm CDT May 2, 2026
Forecast Valid:
2pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation