• Mon

    Jan 19

    36°Lo 22°

    Some sun with a shower

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      22°
    • Wind
      Speed
      18 mph
    more
  • Tue

    Jan 20

    31°Lo 18°

    Partly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      25°
    • Wind
      Speed
      9 mph
  • Wed

    Jan 21

    23°Lo 10°

    Colder with a few flurries

    Home Energy Efficiency Weather
    • Avg
      RealFeel
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      9 mph
    more
  • Thu

    Jan 22

    34°Lo 23°

    A bit of afternoon snow

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      14°
    • Hi
      RealFeel
      24°
    • Wind
      Speed
      13 mph
    more
  • Fri

    Jan 23

    27°Lo 16°

    Cloudy and colder

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      12°
    • Wind
      Speed
      17 mph
    more
Next Previous
Hi 31° RealFeel® 25° Precipitation 11%

Day

N

E

S

W

  • NNW 9 mph
  • Gusts: 22 mph

Partly sunny

  • 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
Lo 18° RealFeel® 7° Precipitation 24%

Night

N

E

S

W

  • NNE 9 mph
  • Gusts: 16 mph

Partly cloudy

  • 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 - Jan 20

more Historical Weather Data >
  Today Normal Record 1/20/2014
High 31° 27° N/A 32°
Low 18° 10° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:35 of sunlight, then sets at 4:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:58 AM with 10:33 of moolight, then sets at 5:31 PM

Crystal Lake Weather Report

Chicago: Wash of Showers for Post-Holiday Weekend Travel

December 25, 2014; 6:17 PM ET

As holiday travelers head home from the Chicago area, conditions will feel colder with the chance of some showers over the weekend. 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.