• Mon

    Dec 15

    28°Lo 15°

    Colder with plenty of clouds

    Snow Days Weather
    • Snow
      25%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 16

    27°Lo 16°

    Partial sunshine

    Snow Days Weather
    • Snow
      25%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Dec 17

    27°Lo 16°

    Sun and some clouds

    Snow Days Weather
    • Snow
      20%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Dec 18

    25°Lo 11°

    Cold with sun and some clouds

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Dec 19

    25°Lo 15°

    Morning snow; clouds and cold

    Snow Days Weather
    • Snow
      69%
    • Ice
      0%
    • Snow
      1.77 in
Next Previous
Hi 25° RealFeel® 23° Precipitation 69%

Day

N

E

S

W

  • E 9 mph
  • Gusts: 24 mph

Cold; periods of snow in the morning followed by a flurry in the afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0.08 in
  • Rain: 0 in
  • Snow: 1.8 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 0 hrs
Lo 15° RealFeel® 6° Precipitation 25%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 16 mph

Partly cloudy and cold

  • 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 - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 25° 30° N/A 32°
Low 15° 14° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:05 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 AM with 10:18 of moolight, then sets at 2:47 PM

Crystal Lake Weather Report

Chicago: Chill to Linger into Weekend Following Thanksgiving Day

November 25, 2014; 7:48 PM ET

Cold, winterlike weather will remain across the Chicago area through Thanksgiving Day and the weekend. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.