• Today

    Jul 31

    85°Lo 60°

    Sunny to partly cloudy

    Excellent for running
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      28 mph
    more
  • Sat

    Aug 1

    84°Lo 64°

    Beautiful with sunshine

    Very Good for running
    • Precip
      14%
    • Hours of Precip
      1
    • Wind
      Gust
      15 mph
  • Sun

    Aug 2

    84°Lo 67°

    Variable clouds, a t-storm

    Fair for running
    • Precip
      55%
    • Hours of Precip
      2
    • Wind
      Gust
      20 mph
    more
  • Mon

    Aug 3

    84°Lo 60°

    A morning t-storm in spots

    Good for running
    • Precip
      42%
    • Hours of Precip
      1
    • Wind
      Gust
      16 mph
    more
  • Tue

    Aug 4

    81°Lo 60°

    Delightful with some sun

    Very Good for running
    • Precip
      19%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
Next Previous
Hi 84° RealFeel® 86° Precipitation 14%

Day

N

E

S

W

  • WNW 9 mph
  • Gusts: 15 mph

Sunny to partly cloudy and beautiful

  • Max UV Index: 7 (High)
  • Thunderstorms: 10%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 60° Precipitation 59%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 10 mph

Some clouds with a shower or thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 84° 80° N/A 81°
Low 64° 60° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:27 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:55 PM with 11:31 of moolight, then sets at 8:26 AM

Crystal Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 PM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. 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.