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Personalized Forecasts

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    • Today

      Sep 25

      81° /53°F
      Some rain and a thunderstorm
      • Common Cold
        • Common Cold
        • Flu
      • Beneficial
      • weather for colds
      • Avg Temp: 67°
      • Avg RealFeel: 68°
      • Hi RealFeel: 86°
    • Mon

      Sep 26

      65° /46°
      Breezy with clouds breaking
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 54°
      • Hi RealFeel: 64°
      More
    • Tue

      Sep 27

      63° /49°
      Sunshine and some clouds
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 54°
      • Hi RealFeel: 62°
      More
    • Wed

      Sep 28

      62° /50°
      A morning shower in places
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 54°
      • Hi RealFeel: 62°
      More
    • Thu

      Sep 29

      67° /51°
      Mostly sunny
      • Beneficial
      • weather for colds
      • Avg Temp: 59°
      • Avg RealFeel: 59°
      • Hi RealFeel: 69°
      More
    61°/53° RealFeel® 58°/49°
    A shower or thunderstorm
    • 8 mph
    • Precipitation: 55%
    • Rain: 0.05 in
    • Snow: 0 in
    • Humidity: 85%
    • Cloud Cover: 96%
    • Dew Point: 52° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 81° 69° N/A 68°
    Low 53° 50° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:44 AM
    • Sunset: 6:43 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:18 AM
    • Moonset: 3:54 PM
    • Duration: 14:36 hr
    Astronomy

    Grayslake Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 8:43 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >

    Sun. Cold & Flu

    Sun. UV Index