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

38°F

3°C

Humidity 83%
Wind Speed W 12 mph
Barometer 29.76 in (1009.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 5 Dec 2:52 pm 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

  • This Afternoon

    This Afternoon: A chance of sprinkles and flurries. Mostly cloudy, with a high near 37. West northwest wind around 10 mph.

    High: 37 °F

    Chance
    Sprinkles/Flurries

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 17 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after 11am. High near 29. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.

    High: 29 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely before midnight. Mostly cloudy, with a low around 8. East wind around 10 mph becoming north after midnight. Chance of precipitation is 60%. 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 northeast in the afternoon.

    High: 13 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. East wind around 5 mph becoming south southeast after midnight.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of sprinkles and flurries. Mostly cloudy, with a high near 37. West northwest wind around 10 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Snow, mainly after 11am. High near 29. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.
Saturday Night
Snow likely before midnight. Mostly cloudy, with a low around 8. East wind around 10 mph becoming north after midnight. Chance of precipitation is 60%. 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 northeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 7. East wind around 5 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
2:13 pm CST Dec 5, 2025
Forecast Valid:
3pm CST Dec 5, 2025-6pm CST Dec 11, 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