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.

Overcast

34°F

1°C

Humidity 46%
Wind Speed E 18 G 23 mph
Barometer 30.31 in (1028.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 1 Mar 2:52 pm CST
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 36. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 23. Southeast wind 5 to 10 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 44. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain. Cloudy, with a low around 33. Southeast wind 5 to 10 mph.

    Low: 33 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of drizzle before noon, then a slight chance of rain after noon. Mostly cloudy, with a high near 51. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33. North northeast wind around 5 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 36. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 23. Southeast wind 5 to 10 mph.
Monday
Cloudy, with a high near 44. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 33. Southeast wind 5 to 10 mph.
Tuesday
A slight chance of drizzle before noon, then a slight chance of rain after noon. Mostly cloudy, with a high near 51. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. North northeast wind around 5 mph.
Wednesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 68.
Thursday Night
A chance of rain and thunderstorms, then rain likely after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 59.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 24.
Saturday
Sunny, with a high near 59.
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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:
2:43 pm CST Mar 1, 2026
Forecast Valid:
2pm CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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