• Today

    Apr 18

    62°Lo 45°

    Partly sunny; breezy, cooler

    Beneficial weather for migraines
    • Hi
      RealFeel
      63°
    • UV
      6 - High
    • Cloud
      Cover
      48%
    more
  • Sun

    Apr 19

    57°Lo 45°

    Rain, becoming heavy; breezy

    Neutral weather for migraines
    • Hi
      RealFeel
      51°
    • UV
      3 - Moderate
    • Cloud
      Cover
      95%
    more
  • Mon

    Apr 20

    57°Lo 36°

    A passing morning shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      53°
    • UV
      4 - Moderate
    • Cloud
      Cover
      73%
    more
  • Tue

    Apr 21

    54°Lo 35°

    Breezy with variable clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      45°
    • UV
      5 - Moderate
    • Cloud
      Cover
      77%
    more
  • Wed

    Apr 22

    52°Lo 31°

    Mostly cloudy and breezy

    Beneficial weather for migraines
    • Hi
      RealFeel
      48°
    • UV
      6 - High
    • Cloud
      Cover
      70%
Next Previous
Hi 52° RealFeel® 48° Precipitation 14%

Day

N

E

S

W

  • WNW 16 mph
  • Gusts: 25 mph

Breezy and cool with variable cloudiness

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 31° RealFeel® 22° Precipitation 12%

Night

N

E

S

W

  • NW 9 mph
  • Gusts: 17 mph

Clear and cold; there will be a freeze

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • 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 4/22/2014
High 52° 58° N/A 57°
Low 31° 40° N/A 31°

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 9:09 AM with 14:50 of moolight, then sets at 11:59 PM

Grayslake Weather Report

Chicago: Rain to Span Second Half of Weekend

April 18, 2015; 2:11 PM ET

The second half of the weekend will see a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Wed. Migraine Headache

Wed. UV Index