• Wed

    Feb 18

    34°Lo 22°

    A little snow, mainly later

    Outdoor Barbecue Weather
    • Precip
      66%
    • Hi
      RealFeel
      29°
    • Wind
      Gust
      15 mph
    more
  • Thu

    Feb 19

    24°Lo 11°

    Very cold with snow at times

    Outdoor Barbecue Weather
    • Precip
      65%
    • Hi
      RealFeel
      20°
    • Wind
      Gust
      17 mph
    more
  • Fri

    Feb 20

    24°Lo 10°

    Very cold with low clouds

    Outdoor Barbecue Weather
    • Precip
      40%
    • Hi
      RealFeel
    • Wind
      Gust
      29 mph
    more
  • Sat

    Feb 21

    33°Lo 28°

    Partly sunny and warmer

    Outdoor Barbecue Weather
    • Precip
      4%
    • Hi
      RealFeel
      38°
    • Wind
      Gust
      7 mph
  • Sun

    Feb 22

    34°Lo 29°

    Periods of snow

    Outdoor Barbecue Weather
    • Precip
      65%
    • Hi
      RealFeel
      30°
    • Wind
      Gust
      23 mph
    more
Next Previous
Hi 33° RealFeel® 38° Precipitation 4%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 7 mph

Warmer with times of clouds and sun

  • Max UV Index: 3 (Moderate)
  • 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 28° RealFeel® 18° Precipitation 62%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 21 mph

Some clouds with a little snow at times, mainly later

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.03 in
  • Rain: 0 in
  • Snow: 0.3 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 0 hrs

Temperature History - Feb 21

more Historical Weather Data >
  Today Normal Record 2/21/2014
High 33° 33° N/A 34°
Low 28° 15° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 10:52 of sunlight, then sets at 5:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:09 AM with 13:04 of moolight, then sets at 9:13 PM

Crystal Lake Weather Report

Chicago: Weekend Storm May Brush Area With Snow

January 29, 2015; 12:53 PM ET

A storm brewing in the Southwest is expected to plow into the Plains and Midwest over the weekend and pass rather close to Chicagoland. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.