National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

59°F

15°C

Humidity 49%
Wind Speed SW 6 mph
Barometer 29.80 in (1008.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 4:52 am CDT
Extended Forecast for

2 Miles SSE Jefferson SD

  • Today

    Today: Sunny, with a high near 86. South wind around 5 mph becoming north in the morning.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 86 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 60. Breezy, with a south southeast wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 41. Breezy, with a west southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. South wind around 5 mph becoming north in the morning.
Tonight
Mostly clear, with a low around 54. East southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 60. Breezy, with a south southeast wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 41. Breezy, with a west southwest wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 38.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 60.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Jefferson SD
 42.56°N 96.53°W (Elev. 1102 ft)
Last Update:
2:48 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation