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.

Mostly Cloudy

57°F

14°C

Humidity 39%
Wind Speed NW 10 mph
Barometer 30.23 in (1024.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 5 Apr 7:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 32. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of rain and snow showers before 1pm, then a chance of snow showers between 1pm and 2pm, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 45. North wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A slight chance of rain showers before 9pm, then a chance of snow showers. Cloudy, with a low around 24. North northeast wind around 10 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then snow showers likely, possibly mixed with rain between 1pm and 4pm, then rain showers likely after 4pm. Cloudy, with a high near 41. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 32. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 66. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 32. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A chance of rain and snow showers before 1pm, then a chance of snow showers between 1pm and 2pm, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 45. North wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A slight chance of rain showers before 9pm, then a chance of snow showers. Cloudy, with a low around 24. North northeast wind around 10 mph becoming east after midnight. Chance of precipitation is 30%.
Tuesday
A chance of snow showers before 1pm, then snow showers likely, possibly mixed with rain between 1pm and 4pm, then rain showers likely after 4pm. Cloudy, with a high near 41. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 32. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 66. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 34.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 57.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 33.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
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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:
7:53 pm CDT Apr 5, 2026
Forecast Valid:
8pm CDT Apr 5, 2026-6pm CDT Apr 12, 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