• Today

    Dec 19

    32°Lo 24°

    An a.m. flurry; mostly cloudy

    Very Unlikely for a snow day
    • Snow
      41%
    • Ice
      0%
    • Snow
      0.01 in
    more
  • Sat

    Dec 20

    34°Lo 27°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      9%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 21

    39°Lo 30°

    Variable cloudiness

    Very Unlikely for a snow day
    • Snow
      6%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Dec 22

    42°Lo 36°

    Mostly cloudy, afternoon rain

    Very Unlikely for a snow day
    • Snow
      9%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    42°Lo 30°

    Cloudy with spotty showers

    Very Unlikely for a snow day
    • Snow
      2%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 39° RealFeel® 31° Precipitation 16%

Day

N

E

S

W

  • S 9 mph
  • Gusts: 16 mph

Variable cloudiness

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 19° Precipitation 14%

Night

N

E

S

W

  • SSE 10 mph
  • Gusts: 15 mph

Cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 39° 32° N/A 34°
Low 30° 19° N/A 27°

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 6:32 AM with 9:59 of moolight, then sets at 4:31 PM

Island Lake Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 19, 2014; 6:32 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. 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.

Sun. Snow Day Potential