• Tonight

    Dec 22

    Lo 36°

    Breezy with periods of rain

    Asthma Weather
    • Hi
      RealFeel
      27°
    • UV
      1 - Low
    • Air Qual.
      Moderate
  • Tue

    Dec 23

    45°Lo 33°

    Cloudy, breezy and milder

    Beneficial weather for asthma
    • Hi
      RealFeel
      34°
    • UV
      1 - Low
    • Air Qual.
      Moderate
    more
  • Wed

    Dec 24

    39°Lo 27°

    A little afternoon snow

    Neutral weather for asthma
    • Hi
      RealFeel
      31°
    • UV
      0 - Low
    • Air Qual.
      Good
    more
  • Thu

    Dec 25

    37°Lo 31°

    Breezy with clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      1 - Low
    • Cloud
      Cover
      46%
    more
  • Fri

    Dec 26

    42°Lo 25°

    Mostly cloudy and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      30°
    • UV
      1 - Low
    • Cloud
      Cover
      76%
    more
Next Previous
Hi 39° RealFeel® 27° Precipitation 90%

Day

N

E

S

W

  • ESE 12 mph
  • Gusts: 23 mph

Rain; breezy this afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.4 in
  • Rain: 0.4 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs
Lo 36° RealFeel® 22° Precipitation 85%

Night

N

E

S

W

  • ESE 15 mph
  • Gusts: 22 mph

Breezy with periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.29 in
  • Rain: 0.29 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 39° 29° N/A 30°
Low 36° 14° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:05 of sunlight, then sets at 4:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:31 AM with 10:04 of moolight, then sets at 5:35 PM

Crystal Lake Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 22, 2014; 4:40 PM ET

There's a chance for a white Christmas around Chicagoland as this week turns unsettled. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index