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

28°F

-2°C

Humidity 85%
Wind Speed SE 8 mph
Barometer 29.84 in (1011.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 6 Dec 5:52 am CST
Extended Forecast for

Sioux City IA

Winter Weather Advisory December 6, 12:00pm until December 7, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 11am. High near 30. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 3 inches.

    High: 30 °F

    Snow Likely
    then Snow

  • Tonight

    Tonight: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 8. North wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 13. North wind around 5 mph becoming east in the afternoon.

    High: 13 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. South southeast wind around 5 mph.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31. South wind 5 to 10 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. South wind around 5 mph becoming west in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly after 11am. High near 30. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 3 inches.
Tonight
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 8. North wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 13. North wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 9. South southeast wind around 5 mph.
Monday
Partly sunny, with a high near 31. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 22. South wind around 5 mph becoming west in the evening.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Thursday
Mostly cloudy, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
4:48 am CST Dec 6, 2025
Forecast Valid:
6am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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