Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

32°F

0°C

Humidity 82%
Wind Speed E 8 mph
Barometer 29.61 in (1003.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Jan 1:52 am CST
Extended Forecast for

Jefferson SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. South southeast wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of sprinkles and snow before 11am, then rain.  High near 43. Southwest wind 5 to 10 mph becoming north 10 to 15 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: Rain and snow likely before 10pm, then a chance of snow between 10pm and 3am.  Cloudy, with a low around 26. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 38. North northwest wind around 10 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 10 to 15 mph.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. South southeast wind around 5 mph.
Thursday
A chance of sprinkles and snow before 11am, then rain. High near 43. Southwest wind 5 to 10 mph becoming north 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow likely before 10pm, then a chance of snow between 10pm and 3am. Cloudy, with a low around 26. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 38. North northwest wind around 10 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 10 to 15 mph.
Saturday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 49.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson SD
 42.61°N 96.56°W (Elev. 1125 ft)
10:14 pm CST Jan 7, 2026
2am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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Additional Resources

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