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

11°F

-12°C

Humidity 77%
Wind Speed SE 13 mph
Barometer 29.88 in (1014.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 18 Jan 5:52 am CST
Extended Forecast for

2 Miles ENE North Sioux City SD

Winter Weather Advisory until January 18, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 18, 09:00pm

    NOW until 9:00pm Sun

    Winter Weather Advisory

  • Today

    High: 27 °F

    Isolated Snow
    Showers and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values as low as -18. Windy, with a north northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: -1 °F

    Partly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 16. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming southwest after midnight.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. South wind 5 to 10 mph.

    High: 28 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South wind around 10 mph becoming west northwest in the evening.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Today
Isolated snow showers between noon and 4pm. Partly sunny, with a high near 27. Windy, with a south wind 10 to 20 mph becoming north northwest 20 to 30 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around -1. Wind chill values as low as -18. Windy, with a north northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Mostly sunny, with a high near 16. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 3. West northwest wind around 5 mph becoming southwest after midnight.
Tuesday
Increasing clouds, with a high near 28. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 16. South wind around 10 mph becoming west northwest in the evening.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy, with a high near 19.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -3.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 5.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE North Sioux City SD
 42.54°N 96.44°W (Elev. 1332 ft)
Last Update:
3:38 am CST Jan 18, 2026
Forecast Valid:
6am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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