• Tonight

    May 2

    Lo 35°

    Partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      59°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Tue

    May 3

    66°Lo 45°

    Partly sunny and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    May 4

    53°Lo 37°

    Clouds breaking and cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      53°
    • UV
      5 - High
    • Air Qual.
      Good
  • Thu

    May 5

    58°Lo 41°

    More sunshine than clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Fri

    May 6

    76°Lo 58°

    Pleasant and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
Next Previous
Hi 53° RealFeel® 53° Precipitation 51%

Day

N

E

S

W

  • NNE 10 mph
  • Gusts: 16 mph

Clouds giving way to some sun with a shower in places; cooler

  • Max UV Index: 6 (High)
  • Thunderstorms: 20%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 37° RealFeel® 32° Precipitation 3%

Night

N

E

S

W

  • NNW 6 mph
  • Gusts: 10 mph

Partly cloudy and chilly

  • 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 - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 53° 62° N/A 69°
Low 37° 44° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:14 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:33 AM with 12:55 of moolight, then sets at 5:28 PM

Grayslake Weather Report

Chicago: Temperature roller coaster in store for this week

May 2, 2016; 9:03 AM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Wed. Asthma Risk

Wed. UV Index