NWS Forecast for: Naperville IL
Issued by: National Weather Service Chicago, IL
Last Update: 6:15 am CDT Jul 20, 2019
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  • Today

    Today: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 34. Heat index values as high as 43. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 34 °C

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am.  Mostly cloudy, with a low around 22. West southwest wind 5 to 15 km/h becoming east after midnight.  Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    T-storms
    Likely


    Low: 22 °C

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 28. North wind 15 to 25 km/h.  Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    T-storms
    Likely


    High: 28 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 18. North northeast wind 15 to 20 km/h.  Chance of precipitation is 40%.

    Chance
    Showers


    Low: 18 °C

  • Monday

    Monday: Mostly sunny, with a high near 25. North northeast wind around 15 km/h, with gusts as high as 25 km/h.

    Mostly Sunny



    High: 25 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 14.

    Mostly Clear



    Low: 14 °C

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    Sunny



    High: 27 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 16.

    Mostly Clear



    Low: 16 °C

  • Wednesday

    Wednesday: Sunny, with a high near 28.

    Sunny



    High: 28 °C



  • Today: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 34. Heat index values as high as 43. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 20%.

    Tonight: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 22. West southwest wind 5 to 15 km/h becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Sunday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 28. North wind 15 to 25 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 18. North northeast wind 15 to 20 km/h. Chance of precipitation is 40%.

    Monday: Mostly sunny, with a high near 25. North northeast wind around 15 km/h, with gusts as high as 25 km/h.

    Monday Night: Mostly clear, with a low around 14.

    Tuesday: Sunny, with a high near 27.

    Tuesday Night: Mostly clear, with a low around 16.

    Wednesday: Sunny, with a high near 28.

    Wednesday Night: Mostly clear, with a low around 17.

    Thursday: Sunny, with a high near 29.

    Thursday Night: Mostly clear, with a low around 18.

    Friday: Sunny, with a high near 30.



    Naperville IL
     41.77°N 88.15°W

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