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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.5°N 96.41°W (Text-Only)
NWS Forecast for: Sioux City IA
Issued by: National Weather Service Sioux Falls, SD
Last Update: 3:38 am CST Dec 5, 2025		Print

  • Today

    Today: Mostly cloudy, with a high near 36. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Cloudy


  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 18 °F

    Mostly Cloudy


  • Saturday

    Saturday: Snow, mainly after noon. High near 28. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.

    High: 28 °F

    Chance Snow
    then Snow

  • Saturday
    Night

    Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 7. East southeast wind around 10 mph becoming north after midnight. New snow accumulation of less than one inch possible.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 13. North wind around 5 mph becoming east northeast in the afternoon.

    High: 13 °F

    Partly Sunny


  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 3. East northeast wind 5 to 10 mph becoming south after midnight.

    Low: 3 °F

    Mostly Cloudy


  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny


  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy


  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy




    • Today: Mostly cloudy, with a high near 36. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    Tonight: Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Saturday: Snow, mainly after noon. High near 28. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around 3 inches.

    Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 7. East southeast wind around 10 mph becoming north after midnight. New snow accumulation of less than one inch possible.

    Sunday: Partly sunny, with a high near 13. North wind around 5 mph becoming east northeast in the afternoon.

    Sunday Night: Mostly cloudy, with a low around 3. East northeast wind 5 to 10 mph becoming south after midnight.

    Monday: Mostly sunny, with a high near 31.

    Monday Night: Partly cloudy, with a low around 21.

    Tuesday: Mostly cloudy, with a high near 39.

    Tuesday Night: Mostly cloudy, with a low around 23.

    Wednesday: Partly sunny, with a high near 27.

    Wednesday Night: Mostly cloudy, with a low around 10.

    Thursday: A 20 percent chance of snow. Mostly cloudy, with a high near 27.


    Sioux City IA
     42.5°N 96.41°W (Elev. 1106 ft)

    Visit your local NWS office at: https://www.weather.gov/fsd/