• Sat

    Dec 13

    37°Lo 29°

    Cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      25°
    • Hi
      RealFeel
      30°
    • Wind
      Speed
      9 mph
    more
  • Sun

    Dec 14

    33°Lo 29°

    Clouds and sun

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      20°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      8 mph
  • Mon

    Dec 15

    41°Lo 26°

    Mostly cloudy, a little rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      20°
    • Hi
      RealFeel
      27°
    • Wind
      Speed
      20 mph
    more
  • Tue

    Dec 16

    29°Lo 23°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      23°
    • Wind
      Speed
      9 mph
    more
  • Wed

    Dec 17

    34°Lo 27°

    Cloudy with a wintry mix

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 33° RealFeel® 31° Precipitation 25%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 21 mph

Clouds and sun

  • Max UV Index: 1 (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
Lo 29° RealFeel® 8° Precipitation 55%

Night

N

E

S

W

  • SW 18 mph
  • Gusts: 39 mph

Mostly cloudy with a bit of sleet and freezing rain

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.08 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0.08 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 14

more Historical Weather Data >
  Today Normal Record 12/14/2013
High 33° 31° N/A 27°
Low 29° 16° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:14 AM with 9:07 of sunlight, then sets at 4:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:47 PM with 13:11 of moolight, then sets at 11:59 AM

Crystal Lake Weather Report

Chicago: Snow, Freeze Up to Threaten Travel Later Monday

November 23, 2014; 4:50 PM ET

Cold air returns to Chicago this week and a mix of rain and snow will lead to a messy commute Monday evening. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.