Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Overcast

32°F

0°C

Humidity 85%
Wind Speed N 13 mph
Barometer 29.88 in (1013.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 5 Dec 9:52 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
  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow before 4pm, then snow, possibly mixed with freezing rain between 4pm and 5pm, then snow likely after 5pm.  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%. Little or no ice accumulation expected.  New snow accumulation of around 3 inches.

    High: 29 °F

    Chance Snow
    then Wintry
    Mix

  • 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 steady temperature around 11. East wind around 5 mph becoming south southeast after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29. South wind 5 to 10 mph.

    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

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Snow before 4pm, then snow, possibly mixed with freezing rain between 4pm and 5pm, then snow likely after 5pm. 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%. Little or no ice accumulation expected. 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 steady temperature around 11. East wind around 5 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 29. South wind 5 to 10 mph.
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.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 17.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
10:13 pm CST Dec 5, 2025
10pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
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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