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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: 12:47 am CDT Jun 30, 2026		Print

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of rain after 4am. Some of the storms could produce heavy rainfall. Low around 72. Southwest wind around 5 mph becoming southeast. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Heavy Rain



  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Calm wind becoming west southwest around 5 mph.

    High: 95 °F

    Hot



  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then a chance of rain between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely


  • Friday

    Friday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot



  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms




    • Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of rain after 4am. Some of the storms could produce heavy rainfall. Low around 72. Southwest wind around 5 mph becoming southeast. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Tuesday: Sunny and hot, with a high near 95. Calm wind becoming west southwest around 5 mph.

    Tuesday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Wednesday: A chance of showers and thunderstorms before 3pm, then a chance of rain between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 70%.

    Friday: Mostly sunny and hot, with a high near 95.

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

    Independence Day: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95.

    Saturday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 70%.

    Sunday: Mostly sunny, with a high near 88.

    Sunday Night: Mostly clear, with a low around 64.

    Monday: Mostly sunny, with a high near 89.


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

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