NWS Forecast for: Grayslake IL
Issued by: National Weather Service Chicago, IL
Last Update: 5:15 pm CDT Oct 19, 2021
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  • Tonight

    Tonight: Increasing clouds, with a low around 50. South southwest wind around 5 mph.

    Increasing
    Clouds


    Low: 50 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. West southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Chance
    T-storms


    Low: 51 °F

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 59. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    Slight Chance
    Showers


    High: 59 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 39. North wind 5 to 10 mph.

    Mostly Cloudy



    Low: 39 °F

  • Friday

    Friday: Partly sunny, with a high near 56.

    Partly Sunny



    High: 56 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 38.

    Partly Cloudy



    Low: 38 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    Mostly Sunny



    High: 55 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers after 1am.  Partly cloudy, with a low around 40.

    Partly Cloudy
    then Slight
    Chance
    Showers

    Low: 40 °F

  • Tonight: Increasing clouds, with a low around 50. South southwest wind around 5 mph.

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph.

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 59. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    Thursday Night: Mostly cloudy, with a low around 39. North wind 5 to 10 mph.

    Friday: Partly sunny, with a high near 56.

    Friday Night: Partly cloudy, with a low around 38.

    Saturday: Mostly sunny, with a high near 55.

    Saturday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 40.

    Sunday: A chance of showers. Mostly cloudy, with a high near 57.

    Sunday Night: A chance of showers. Cloudy, with a low around 48.

    Monday: A slight chance of showers. Mostly cloudy, with a high near 61.

    Monday Night: Mostly cloudy, with a low around 50.

    Tuesday: A slight chance of showers. Partly sunny, with a high near 67.



    Grayslake IL
     42.35°N 88.02°W

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