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.

A Few Clouds and Windy

48°F

9°C

Humidity 63%
Wind Speed NW 31 G 46 mph
Barometer 29.47 in (998.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Dec 7:52 pm CST
Extended Forecast for

Sioux City IA

High Wind Warning until December 10, 06:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until December 10, 06:00am

    NOW until 6:00am Wed

    High Wind Warning

  • Tonight

    Low: 25 °F

    Windy. Slight
    Chance Rain
    then Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Patchy blowing snow before 7am. Partly sunny, with a high near 26. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 26 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 17. North northwest wind around 5 mph becoming calm.

    Low: 17 °F

    Cloudy then
    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow and sleet before noon, then a chance of freezing rain and sleet between noon and 3pm, then a chance of freezing rain after 3pm. Cloudy, with a high near 31. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17. East wind 5 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 22. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 5.

    Low: 5 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 10.

    High: 10 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 9pm. Patchy blowing snow after 4am. Mostly cloudy, with a low around 25. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 60 mph.
Wednesday
Patchy blowing snow before 7am. Partly sunny, with a high near 26. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 17. North northwest wind around 5 mph becoming calm.
Thursday
A chance of snow and sleet before noon, then a chance of freezing rain and sleet between noon and 3pm, then a chance of freezing rain after 3pm. Cloudy, with a high near 31. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 17. East wind 5 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Friday
Cloudy, with a high near 22. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of snow after midnight. Cloudy, with a low around 5.
Saturday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 10.
Saturday Night
Partly cloudy, with a low around -8.
Sunday
Mostly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 11.
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 96.41°W (Elev. 1106 ft)
Last Update:
8:23 pm CST Dec 9, 2025
Forecast Valid:
8pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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