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.

Fair

12°F

-11°C

Humidity 87%
Wind Speed SE 10 mph
Barometer 29.88 in (1014.1 mb)
Dewpoint 9°F (-13°C)
Visibility 7.00 mi
Wind Chill-1°F (-18°C)
Last update 2 Dec 10:52 am CST
Extended Forecast for

Sioux City IA

  • Today

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

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow between 2am and 4am. Mostly cloudy, with a steady temperature around 29. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F⇓

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -9. North northwest wind around 5 mph becoming calm in the evening.

    Low: -9 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 27.

    High: 27 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Partly sunny, with a high near 31. South wind 5 to 10 mph.
Tonight
A slight chance of snow between 2am and 4am. Mostly cloudy, with a steady temperature around 29. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around -9. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 22. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 12. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 31.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 31.
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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:
8:18 am CST Dec 2, 2025
Forecast Valid:
10am CST Dec 2, 2025-6pm CST Dec 8, 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