Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fog/Mist

25°F

-4°C

Humidity 92%
Wind Speed SE 14 mph
Barometer 30.08 in (1020.2 mb)
Dewpoint 23°F (-5°C)
Visibility 4.00 mi
Wind Chill13°F (-11°C)
Last update 8 Dec 11:52 am CST
Extended Forecast for

Jefferson SD

  • This Afternoon

    This Afternoon: Patchy fog between 3pm and 4pm.  Otherwise, partly sunny, with a high near 33. South wind around 10 mph.

    High: 33 °F

    Patchy Fog

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South wind around 5 mph becoming west in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 3pm.  Mostly cloudy, with a high near 43. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after midnight.  Cloudy, with a low around 14. North wind around 5 mph becoming east southeast after midnight.  Little or no snow accumulation expected.

    Low: 14 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow.  Cloudy, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Patchy fog between 3pm and 4pm. Otherwise, partly sunny, with a high near 33. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 24. South wind around 5 mph becoming west in the evening.
Tuesday
A 20 percent chance of rain after 3pm. Mostly cloudy, with a high near 43. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Wednesday
Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around 14. North wind around 5 mph becoming east southeast after midnight. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow. Cloudy, with a high near 26.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 5.
Friday
Mostly cloudy, with a high near 15.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Partly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson SD
 42.61°N 96.56°W (Elev. 1125 ft)
11:43 am CST Dec 8, 2025
12pm CST Dec 8, 2025-6pm CST Dec 14, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database