• Today

    Dec 21

    38°Lo 29°

    Mostly cloudy with a flurry

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Dec 22

    42°Lo 38°

    Mostly cloudy, afternoon rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Dec 23

    46°Lo 31°

    Cloudy with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Dec 24

    39°Lo 27°

    Colder with snow showers

    Low ragweed pollen levels
    • Precip
      61%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      87%
    more
  • Thu

    Dec 25

    37°Lo 28°

    Mostly sunny and breezy

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Cloudy 37° RealFeel® 25°

N

E

S

W

  • Humidity: 74%
  • Pressure: 30.15 in ↓
  • UV Index: 0
  • Cloud Cover: 100%
  • Ceiling: 2200 ft
  • Dew Point: 29° F
  • Visibility: 7 mi
11 mph

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 6:33 AM with 9:59 of moolight, then sets at 4:32 PM

Temperature Summary - 12:07 PM

  Temp (°F)
Now 37°
Yesterday 42°
RealFeel® 25°
RealFeel® Shade 24°
Wind Chill 29°
Dew Point 29°
  Hi / Lo
Previous 6 Hours 37°
  30°
Previous 12 Hours 37°
  29°
Previous 24 Hours 37°
  29°

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 38° 29° N/A 32°
Low 29° 14° N/A 24°

Precipitation Summary - 12:07 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0

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 >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps