NWS Forecast for: Crystal Lake IL
Issued by: National Weather Service Chicago, IL
Last Update: 8:16 am CDT Oct 18, 2018
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  • Today

    Today: Widespread frost before 9am.  Otherwise, sunny, with a high near 57. Light west southwest wind becoming southwest 10 to 15 mph in the morning.

    Frost then
    Sunny

    High: 57 °F

  • Tonight

    Tonight: Mostly clear, with a low around 40. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Mostly Clear


    Low: 40 °F

  • Friday

    Friday: A 20 percent chance of showers.  Mostly cloudy, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Slight Chance
    Showers

    High: 59 °F

  • Friday
    Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 40. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Gradual
    Clearing

    Low: 40 °F

  • Saturday

    Saturday: A 40 percent chance of showers.  Mostly sunny, with a high near 48. Breezy, with a west northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    Chance
    Showers and
    Breezy

    High: 48 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 28.

    Mostly Clear


    Low: 28 °F

  • Sunday

    Sunday: Sunny, with a high near 47.

    Sunny


    High: 47 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 35.

    Mostly Clear


    Low: 35 °F

  • Monday

    Monday: Mostly sunny, with a high near 54.

    Mostly Sunny


    High: 54 °F

  • Today: Widespread frost before 9am. Otherwise, sunny, with a high near 57. Light west southwest wind becoming southwest 10 to 15 mph in the morning.

    Tonight: Mostly clear, with a low around 40. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Friday: A 20 percent chance of showers. Mostly cloudy, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 40. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 48. Breezy, with a west northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    Saturday Night: Mostly clear, with a low around 28.

    Sunday: Sunny, with a high near 47.

    Sunday Night: Mostly clear, with a low around 35.

    Monday: Mostly sunny, with a high near 54.

    Monday Night: Mostly clear, with a low around 35.

    Tuesday: Sunny, with a high near 52.

    Tuesday Night: Mostly clear, with a low around 32.

    Wednesday: Sunny, with a high near 52.



    Crystal Lake IL
     42.23°N 88.33°W

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