• Tonight

    Apr 18

    Lo 33°

    Mainly clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    62°Lo 42°

    Mostly sunny and breezy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    69°Lo 50°

    Partly sunny and warmer

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    64°Lo 44°

    Mostly cloudy, showers around

    Low indoor dust & dander levels
    • Precip
      74%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      76%
    more
  • Tue

    Apr 22

    59°Lo 35°

    A morning shower possible

    Low indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      51%
Next Previous
Hi 59° RealFeel® 56° Precipitation 30%

Day

N

E

S

W

  • NNE 14 mph
  • Gusts: 20 mph

Chance of a shower in the morning; otherwise, breezy with clouds giving way to some sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 35° RealFeel® 30° Precipitation 6%

Night

N

E

S

W

  • ENE 6 mph
  • Gusts: 10 mph

Mainly clear and chilly

  • Max UV Index: N/A
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2013
High 59° 58° N/A 58°
Low 35° 40° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:40 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:57 AM with 10:37 of moolight, then sets at 12:34 PM

Top Story

Grayslake Weather Report

Chicago: Weekend Warmth on the Way

April 18, 2014; 4:14 AM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Tue. Dust & Dander

Tue. Wind Maps