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.

Light Snow and Windy

31°F

-1°C

Humidity 76%
Wind Speed NW 44 G 58 mph
Barometer 29.78 in (1009.6 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill14°F (-10°C)
Last update 10 Dec 3:52 am CST
Extended Forecast for

Jefferson SD

High Wind Warning December 10, 04:48am until December 10, 06:00am
Click here for hazard details and duration
...
  •  
    High Wind Warning December 10, 04:48am until December 10, 06:00am

    NOW until 6:00am Wed

    High Wind Warning

  • Today

    High: 27 °F⇓

    Mostly Cloudy
    and Blustery

  • Tonight

    Tonight: A slight chance of snow before midnight, then a slight chance of snow after 3am. Cloudy, with a low around 18. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow and freezing rain before noon, then a chance of sleet between noon and 3pm, then a chance of rain and snow after 3pm. Cloudy, with a high near 32. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

    High: 32 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Southeast wind 5 to 15 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 21 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 5. North northwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 5 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 11.

    High: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 45 mph.
Tonight
A slight chance of snow before midnight, then a slight chance of snow after 3am. Cloudy, with a low around 18. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A chance of snow and freezing rain before noon, then a chance of sleet between noon and 3pm, then a chance of rain and snow after 3pm. Cloudy, with a high near 32. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.
Thursday Night
Mostly cloudy, with a low around 15. Southeast wind 5 to 15 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.
Friday
Cloudy, with a high near 21. 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. North northwest wind 5 to 10 mph becoming east northeast after midnight.
Saturday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 11.
Saturday Night
Partly cloudy, with a low around -10.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson SD
 42.61°N 96.56°W (Elev. 1125 ft)
Last Update:
4:24 am CST Dec 10, 2025
Forecast Valid:
4am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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