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

28°F

-2°C

Humidity 88%
Wind Speed E 10 mph
Barometer 29.63 in (1004.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Dec 9:52 am CST
Extended Forecast for

South Sioux City NE

Winter Storm Watch December 9, 06:00pm until December 10, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: A slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 42. Southeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Increasing clouds, with a low around 24. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph.

    Low: 24 °F

    Increasing
    Clouds and
    Windy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 22 by 9am. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 27 °F⇓

    Mostly Cloudy
    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

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Cloudy, with a high near 29. East southeast wind 5 to 10 mph becoming northeast in the afternoon.

    High: 29 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 12. Northeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 12 °F

    Cloudy then
    Slight Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow before noon. Cloudy, with a high near 21.

    High: 21 °F

    Slight Chance
    Snow then
    Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 3.

    Low: 3 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 9.

    High: 9 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
A slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 42. Southeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 24. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 22 by 9am. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 45 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 20 percent chance of snow. Cloudy, with a high near 29. East southeast wind 5 to 10 mph becoming northeast in the afternoon.
Thursday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 12. Northeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of snow before noon. Cloudy, with a high near 21.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 3.
Saturday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 9.
Saturday Night
Partly cloudy, with a low around -8.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.41°W (Elev. 1093 ft)
Last Update:
9:43 am CST Dec 9, 2025
Forecast Valid:
10am CST Dec 9, 2025-6pm CST Dec 15, 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