, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Mon

      Dec 18

      38° /30°
      Sun and some clouds
      • Very Good
      • for stargazing
      • Cloud Cover: 29%
      • Precip: 10%
      • Hours of Precip: 0
      More
    • Tue

      Dec 19

      38° /25°
      Sunshine and some clouds
      • Very Good
      • for stargazing
      • Cloud Cover: 58%
      • Precip: 13%
      • Hours of Precip: 0
      More
    • Wed

      Dec 20

      38° /21°
      Snow or flurries possible
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 54%
      • Hours of Precip: 1
      More
    • Thu

      Dec 21

      33° /17°F
      Snow and sleet possible
      • Poor
      • for stargazing
      • Cloud Cover: 36%
      • Precip: 1%
      • Hours of Precip: 0
    • Fri

      Dec 22

      34° /15°
      Partly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 23%
      • Precip: 0%
      • Hours of Precip: 0
      More

    Day

    33°Hi RealFeel® 26° Precipitation 30%
    Cloudy with a chance for a little snow and sleet
    • Winds from the
    • NNE 8 mph
    • Gusts: 22 mph
    • Max UV Index: 0 (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

    17°Lo RealFeel® 12° Precipitation 1%
    Partly cloudy
    • Winds from the
    • NNW 8 mph
    • Gusts: 22 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 12/21/2016
    High 33° 33° N/A 35°
    Low 17° 19° N/A 20°

    Sunrise/Sunset

    • Sunrise: 7:19 AM
    • Sunset: 4:24 PM
    • Duration: 9:05 hr

    Moonrise/Moonset

    • Moonrise: 9:35 AM
    • Moonset: 7:40 PM
    • Duration: 10:05 hr
    Astronomy

    Solunar Information for Crystal Lake, IL

    Mon, Dec 18
    New
    Tue, Dec 26
    First
    Tue, Jan 2
    Full
    Mon, Jan 8
    Last