• Thu

    Feb 19

    28°Lo 18°

    Brilliant sunshine

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      35°
    more
  • Fri

    Feb 20

    30°Lo 19°

    Cloudy

    Lawn Mowing Weather
    • Hours of Precip
      3.5
    • Precip
      25%
    • Hi
      RealFeel
      18°
    more
  • Sat

    Feb 21

    34°Lo 15°

    Clouds giving way to some sun

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      19°
  • Sun

    Feb 22

    34°Lo 29°

    Periods of snow

    Lawn Mowing Weather
    • Hours of Precip
      6
    • Precip
      65%
    • Hi
      RealFeel
      30°
    more
  • Mon

    Feb 23

    33°Lo 29°

    Cloudy with a few snowflakes

    Lawn Mowing Weather
    • Hours of Precip
      4.5
    • Precip
      55%
    • Hi
      RealFeel
      30°
    more
Next Previous
Hi 34° RealFeel® 19° Precipitation 25%

Day

N

E

S

W

  • W 17 mph
  • Gusts: 36 mph

Clouds giving way to some sun

  • Max UV Index: 2 (Low)
  • 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 15° RealFeel® 3° Precipitation 20%

Night

N

E

S

W

  • WNW 10 mph
  • Gusts: 23 mph

Clear and cold

  • 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 - Feb 21

more Historical Weather Data >
  Today Normal Record 2/21/2014
High 34° 33° N/A 34°
Low 15° 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 to Hit Area With Snow

January 30, 2015; 10:00 AM ET

A storm brewing in the Southwest is expected to plow into the Plains and Midwest over the weekend, passing close enough to Chicago to bring heavy snow. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?