National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

72°F

22°C

Humidity 28%
Wind Speed S 18 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Apr 2:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. South wind around 5 mph becoming north in the morning.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. East wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 46. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 85. South wind around 5 mph becoming north in the morning.
Tuesday Night
Mostly clear, with a low around 52. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 85. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 40 percent chance of showers. Partly 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:
2:48 pm CDT Apr 20, 2026
Forecast Valid:
3pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation