• Sat

    Jun 18

    87°Lo 65°

    Couple of thunderstorms

    Running Weather
    • Precip
      68%
    • Hours of Precip
      2.5
    • Wind
      Gust
      13 mph
    more
  • Sun

    Jun 19

    82°Lo 62°

    Rather cloudy

    Running Weather
    • Precip
      25%
    • Hours of Precip
      8
    • Wind
      Gust
      16 mph
    more
  • Mon

    Jun 20

    80°Lo 61°

    Periods of rain

    Running Weather
    • Precip
      67%
    • Hours of Precip
      5.5
    • Wind
      Gust
      22 mph
    more
  • Tue

    Jun 21

    80°Lo 62°

    Sunny

    Running Weather
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
  • Wed

    Jun 22

    82°Lo 65°

    Clouds giving way to some sun

    Running Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
Next Previous
Hi 80° RealFeel® 83° Precipitation 5%

Day

N

E

S

W

  • ESE 7 mph
  • Gusts: 15 mph

Sunny

  • Max UV Index: 8 (Very High)
  • 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 62° RealFeel® 58° Precipitation 25%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 13 mph

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 - Jun 21

more Historical Weather Data >
  Today Normal Record 6/21/2015
High 80° 82° N/A 86°
Low 62° 60° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

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

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:25 PM with 10:06 of moolight, then sets at 7:31 AM

Crystal Lake Weather Report

Chicago: Cooler, less humid conditions to arrive by Thursday

May 29, 2016; 7:19 PM ET

After a warm start to the week, cooler and less humid conditions will arrive by the end of the week across the Chicago area. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.