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 88%
Wind Speed Calm
Barometer 29.82 in (1011.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 2 Dec 8:52 pm CST
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: A chance of flurries and freezing rain before 4am, then a slight chance of snow showers between 4am and 5am, then a chance of flurries after 5am. Cloudy, with a steady temperature around 29. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Wednesday

    Wednesday: Mostly sunny, with a temperature falling to around 12 by 5pm. North wind around 10 mph, with gusts as high as 20 mph.

    High: 23 °F⇓

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -8. North wind around 5 mph becoming calm in the evening.

    Low: -8 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 21. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a steady temperature around 20. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. West wind around 5 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of flurries and freezing rain before 4am, then a slight chance of snow showers between 4am and 5am, then a chance of flurries after 5am. Cloudy, with a steady temperature around 29. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a temperature falling to around 12 by 5pm. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around -8. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 21. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a steady temperature around 20. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 31. West wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly cloudy, with a high near 30.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 33.
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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:
8:13 pm CST Dec 2, 2025
Forecast Valid:
9pm CST Dec 2, 2025-6pm CST Dec 9, 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