• Today

    Feb 13

    12°Lo 1°

    Mostly sunny and frigid

    Excellent for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      8 mph
  • Sun

    Feb 14

    22°Lo 20°

    Very cold with a little snow

    Excellent for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      12 mph
    more
  • Mon

    Feb 15

    31°Lo 20°

    Mostly cloudy and not as cold

    Good for home energy
    • Avg
      RealFeel
      23°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Feb 16

    33°Lo 15°

    A thick cloud cover

    Good for home energy
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      34°
    • Wind
      Speed
      6 mph
    more
  • Wed

    Feb 17

    27°Lo 17°

    Chilly with periods of sun

    Good for home energy
    • Avg
      RealFeel
      21°
    • Hi
      RealFeel
      27°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 12° RealFeel® 8° Precipitation 0%

Day

N

E

S

W

  • WNW 8 mph
  • Gusts: 12 mph

Mostly sunny and bitterly cold

  • Max UV Index: 3 (Moderate)
  • 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 1° RealFeel® -3° Precipitation 6%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 9 mph

Bitterly cold with increasing cloudiness

  • 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 - Feb 13

more Historical Weather Data >
  Today Normal Record 2/13/2015
High 12° 34° N/A 26°
Low 18° N/A -5°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:52 AM with 10:30 of sunlight, then sets at 5:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:53 AM with 13:44 of moolight, then sets at 11:37 PM

Grayslake Weather Report

Chicago: Dangerous cold to hold through weekend

February 13, 2016; 6:06 AM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index