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.

Overcast

16°F

-9°C

Humidity 65%
Wind Speed Calm
Barometer 30.28 in (1027.6 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 28 Jan 7:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • Today

    Today: Mostly sunny, with a high near 27. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Increasing clouds, with a low around 10. East northeast wind around 5 mph.

    Low: 10 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 21. North northeast wind around 5 mph.

    High: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. North northeast wind around 5 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -6. North wind around 5 mph becoming calm in the evening.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 27. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
A 20 percent chance of snow after 3am. Increasing clouds, with a low around 10. East northeast wind around 5 mph.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 21. North northeast wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 0. North northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 13. North northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around -6. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
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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:
8:08 am CST Jan 28, 2026
Forecast Valid:
8am CST Jan 28, 2026-6pm CST Feb 3, 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