• Today

    Dec 21

    38°Lo 29°

    Mostly cloudy with a flurry

    Poor for running
    • Precip
      43%
    • Hours of Precip
      1
    • Wind
      Gust
      22 mph
    more
  • Mon

    Dec 22

    42°Lo 38°

    A morning shower, then rain

    Poor for running
    • Precip
      77%
    • Hours of Precip
      7
    • Wind
      Gust
      27 mph
  • Tue

    Dec 23

    47°Lo 31°

    Cloudy with a shower

    Poor for running
    • Precip
      56%
    • Hours of Precip
      2
    • Wind
      Gust
      12 mph
    more
  • Wed

    Dec 24

    39°Lo 27°

    Snow showers; windy, colder

    Poor for running
    • Precip
      61%
    • Hours of Precip
      2
    • Wind
      Gust
      35 mph
    more
  • Thu

    Dec 25

    37°Lo 27°

    Mostly sunny and breezy

    Poor for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      32 mph
    more
Next Previous
Hi 42° RealFeel® 27° Precipitation 77%

Day

N

E

S

W

  • SE 16 mph
  • Gusts: 26 mph

Mostly cloudy and breezy; a morning shower in spots followed by rain in the afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.24 in
  • Rain: 0.24 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 38° RealFeel® 27° Precipitation 66%

Night

N

E

S

W

  • S 13 mph
  • Gusts: 25 mph

Periods of rain; breezy in the evening

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.28 in
  • Rain: 0.28 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 42° 29° N/A 30°
Low 38° 14° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:06 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 AM with 10:05 of moolight, then sets at 5:35 PM

Crystal Lake Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 4:18 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. 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.