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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Jun 4:52 am CDT
Extended Forecast for

Sergeant Bluff IA

  • Juneteenth

    Juneteenth: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 70. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Juneteenth
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 70. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
4:48 am CDT Jun 19, 2026
Forecast Valid:
5am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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