NWS Forecast for: Crystal Lake IL
Issued by: National Weather Service Chicago, IL
Last Update: 2:16 am CDT Aug 21, 2018
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  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming calm.

    Slight Chance
    Showers

    Low: 66 °F

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then scattered showers and thunderstorms between 10am and 5pm, then isolated showers after 5pm.  Mostly cloudy, with a high near 75. North wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Isolated showers before 8pm, then scattered showers and thunderstorms between 8pm and 11pm.  Mostly cloudy, then gradually becoming clear, with a low around 53. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms then
    Mostly Clear

    Low: 53 °F

  • Wednesday

    Wednesday: Sunny, with a high near 75. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Sunny


    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph, with gusts as high as 10 mph.

    Mostly Clear


    Low: 54 °F

  • Thursday

    Thursday: Sunny, with a high near 77.

    Sunny


    High: 77 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 59.

    Partly Cloudy


    Low: 59 °F

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 8am.  Partly sunny, with a high near 73.

    T-storms
    Likely

    High: 73 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 63.

    T-storms
    Likely

    Low: 63 °F



  • Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming calm.

    Tuesday: A slight chance of showers before 10am, then scattered showers and thunderstorms between 10am and 5pm, then isolated showers after 5pm. Mostly cloudy, with a high near 75. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Tuesday Night: Isolated showers before 8pm, then scattered showers and thunderstorms between 8pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 53. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Wednesday: Sunny, with a high near 75. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph, with gusts as high as 10 mph.

    Thursday: Sunny, with a high near 77.

    Thursday Night: Partly cloudy, with a low around 59.

    Friday: A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 73.

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 63.

    Saturday: A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 83.

    Saturday Night: Mostly clear, with a low around 67.

    Sunday: Mostly sunny, with a high near 89.

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 87.



    Crystal Lake IL
     42.23°N 88.33°W

    Visit your local NWS office at: http://www.crh.noaa.gov/lot