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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.8°N 88°W (Text-Only)
NWS Forecast for: Downers Grove IL
Issued by: National Weather Service Chicago, IL
Last Update: 2:41 am CDT Jun 30, 2026		Print

  • Today

    Today: Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 94 °F

    Mostly Sunny



  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear



  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot



  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear



  • Thursday

    Thursday: Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny



  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely


  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms


  • Independence
    Day

    Independence Day: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms



    • Today: Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Tonight: Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Wednesday Night: Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Thursday: Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    Friday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72.

    Independence Day: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 87.

    Sunday Night: Partly cloudy, with a low around 68.

    Monday: Mostly sunny, with a high near 85.


    Downers Grove IL
     41.8°N 88°W

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