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

17°F

-8°C

Humidity 88%
Wind Speed E 3 mph
Barometer 30.30 in (1027.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 11 Feb 5:52 am CST
Extended Forecast for

Jefferson SD

  • Today

    Today: Increasing clouds, with a high near 53. South wind 5 to 10 mph.

    High: 53 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of rain before 4am, then a chance of sprinkles and flurries between 4am and 5am. Cloudy, with a low around 34. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Flurries

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 54. South southeast wind 5 to 10 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. East southeast wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 53. South wind 5 to 10 mph.
Tonight
A chance of rain before 4am, then a chance of sprinkles and flurries between 4am and 5am. Cloudy, with a low around 34. South southeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 54. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 27. East southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 34. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 41.
Washington's Birthday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 67. Breezy.
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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:
5:28 am CST Feb 11, 2026
Forecast Valid:
5am CST Feb 11, 2026-6pm CST Feb 17, 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