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Personalized Forecasts

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    • Tonight

      Jan 18

      21° Lo F
      Patchy clouds
      • Stargazing
      • Weather
      • Cloud Cover: 31%
      • Precip: 0%
      • Hours of Precip: 0
    • Fri

      Jan 19

      40° /28°
      Partly sunny and breezy
      • Good
      • for stargazing
      • Cloud Cover: 40%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Sat

      Jan 20

      39° /32°
      Increasing cloudiness
      • Poor
      • for stargazing
      • Cloud Cover: 97%
      • Precip: 56%
      • Hours of Precip: 1
      More
    • Sun

      Jan 21

      42° /39°
      Rain and drizzle; fog, mild
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 79%
      • Hours of Precip: 7
      More
    • Mon

      Jan 22

      47° /25°
      Cloudy with spotty showers
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 74%
      • Hours of Precip: 8
      More

    Day

    32°Hi RealFeel® 20° Precipitation 0%
    Abundant sunshine and breezy
    • Winds from the
    • SW 15 mph
    • Gusts: 28 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    21°Lo RealFeel® 9° Precipitation 0%
    Patchy clouds
    • Winds from the
    • SW 12 mph
    • Gusts: 17 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 1/18/2017
    High 32° 31° 42° (2013) 36°
    Low 21° 16° -5° (2016) 28°

    Sunrise/Sunset

    • Sunrise: 7:18 AM
    • Sunset: 4:50 PM
    • Duration: 9:32 hr

    Moonrise/Moonset

    • Moonrise: 8:13 AM
    • Moonset: 6:31 PM
    • Duration: 10:18 hr
    Astronomy

    Solunar Information for Crystal Lake, IL

    Wed, Jan 24
    First
    Wed, Jan 31
    Full
    Wed, Feb 7
    Last
    Thu, Feb 15
    New

    Thu. Stargazing