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

15°F

-9°C

Humidity 49%
Wind Speed N 6 mph
Barometer 30.37 in (1030.6 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 29 Jan 11:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 22. North northeast wind around 5 mph becoming calm.

    High: 22 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 13. North wind 5 to 15 mph.

    High: 13 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around -6. North northwest wind 5 to 10 mph.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22. West northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 12. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 22. North northeast wind around 5 mph becoming calm.
Tonight
Mostly cloudy, with a low around 3. Calm wind becoming north northeast around 5 mph after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 13. North wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around -6. North northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 22. West northwest wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Snow likely. Mostly cloudy, with a low around 12. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 33.
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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:
11:38 am CST Jan 29, 2026
Forecast Valid:
12pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation