• Sat

    Feb 20

    34°Lo 22°

    Cloudy, a little wintry mix

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Feb 21

    34°Lo 19°

    Sunny

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      0%
    more
  • Mon

    Feb 22

    33°Lo 23°

    Cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      97%
  • Tue

    Feb 23

    28°Lo 25°

    Cloudy with snow

    Ragweed Pollen Weather
    • Precip
      75%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      100%
    more
  • Wed

    Feb 24

    28°Lo 17°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      32%
    more
Next Previous
Hi 33° RealFeel® 28° Precipitation 25%

Day

N

E

S

W

  • NE 8 mph
  • Gusts: 15 mph

Cloudy

  • 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 23° RealFeel® 11° Precipitation 25%

Night

N

E

S

W

  • ENE 10 mph
  • Gusts: 15 mph

Cloudy

  • 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 22

more Historical Weather Data >
  Today Normal Record 2/22/2015
High 33° 34° N/A 21°
Low 23° 15° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 10:54 of sunlight, then sets at 5:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:46 PM with 13:13 of moolight, then sets at 6:59 AM

Crystal Lake Weather Report

Chicago: Temperatures to rise through weekend

February 5, 2016; 7:44 PM ET

Chicago is in store for a dry and warmer weekend before the next round of winter weather early next week. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health