Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Overcast

22°F

-6°C

Humidity 92%
Wind Speed E 5 mph
Barometer 29.95 in (1015.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Jan 4:52 am CST
Extended Forecast for

Jefferson SD

  • Today

    Today: A slight chance of sleet before 3pm, then a slight chance of snow and sleet between 3pm and 4pm, then a chance of snow after 4pm.  Cloudy, with a high near 28. East wind around 5 mph.  Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

    High: 28 °F

    Cloudy then
    Chance
    Snow/Sleet

  • Tonight

    Tonight: A chance of snow before 11pm, then a chance of flurries between 11pm and midnight.  Cloudy, with a low around 22. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36. Calm wind becoming southwest around 5 mph.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Light and variable wind becoming southeast 5 to 10 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. South wind 5 to 10 mph becoming west northwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of sleet before 3pm, then a slight chance of snow and sleet between 3pm and 4pm, then a chance of snow after 4pm. Cloudy, with a high near 28. East wind around 5 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.
Tonight
A chance of snow before 11pm, then a chance of flurries between 11pm and midnight. Cloudy, with a low around 22. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 36. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 23. Light and variable wind becoming southeast 5 to 10 mph after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 46. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 30. South wind 5 to 10 mph becoming west northwest after midnight.
Monday
Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson SD
 42.61°N 96.56°W (Elev. 1125 ft)
4:44 am CST Jan 2, 2026
5am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

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