• Today

    Aug 29

    71°Lo 62°

    Rather cloudy, rain ending

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

    Aug 30

    80°Lo 64°

    Partly sunny and warmer

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

    Aug 31

    86°Lo 68°

    Humid with plenty of sunshine

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

    Sep 1

    87°Lo 68°

    Mostly sunny and humid

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

    Sep 2

    87°Lo 66°

    Partly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 71° RealFeel® 75° Precipitation 67%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 8 mph

Mostly cloudy with rain tapering off

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.19 in
  • Rain: 0.19 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 62° RealFeel® 62° Precipitation 20%

Night

N

E

S

W

  • E 4 mph
  • Gusts: 6 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2014
High 71° 78° N/A 84°
Low 62° 61° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:18 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:26 PM with 11:49 of moolight, then sets at 7:15 AM

Grayslake Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 29, 2015; 4:28 AM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. 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.

48 Hour Precipitation Forecast

Sat. Snow Day Potential