• Fri

    Jun 17

    85°Lo 63°

    Warm with sunshine

    Asthma Weather
    • Hi
      RealFeel
      89°
    • Precip
      20%
    • Cloud
      Cover
      4%
    more
  • Sat

    Jun 18

    83°Lo 62°

    Couple of thunderstorms

    Asthma Weather
    • Hi
      RealFeel
      90°
    • Precip
      68%
    • Cloud
      Cover
      60%
  • Sun

    Jun 19

    79°Lo 59°

    Rather cloudy

    Asthma Weather
    • Hi
      RealFeel
      78°
    • Precip
      25%
    • Cloud
      Cover
      83%
    more
  • Mon

    Jun 20

    76°Lo 55°

    Periods of rain

    Asthma Weather
    • Hi
      RealFeel
      77°
    • Precip
      67%
    • Cloud
      Cover
      80%
    more
  • Tue

    Jun 21

    76°Lo 58°

    Sunny

    Asthma Weather
    • Hi
      RealFeel
      80°
    • Precip
      5%
    • Cloud
      Cover
      1%
    more
Next Previous
Hi 83° RealFeel® 90° Precipitation 68%

Day

N

E

S

W

  • NNE 7 mph
  • Gusts: 13 mph

More clouds than sun; humid with a couple of showers and a thunderstorm, mainly early on

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.53 in
  • Rain: 0.53 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 62° RealFeel® 58° Precipitation 10%

Night

N

E

S

W

  • NNE 7 mph
  • Gusts: 16 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jun 18

more Historical Weather Data >
  Today Normal Record 6/18/2015
High 83° 81° N/A 82°
Low 62° 59° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:16 AM with 15:17 of sunlight, then sets at 8:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:51 PM with 10:05 of moolight, then sets at 4:56 AM

Crystal Lake Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 28, 2016; 11:41 AM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >