• Tonight

    Dec 20

    Lo 26°

    Cloudy with a flurry late

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Dec 21

    39°Lo 30°

    Mostly cloudy with a flurry

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

    Dec 22

    43°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

    45°Lo 32°

    Cloudy with spotty showers

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      95%
    more
  • Wed

    Dec 24

    37°Lo 25°

    Colder with snow showers

    Ragweed Pollen Weather
    • Precip
      77%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      94%
    more
Next Previous
Hi 39° RealFeel® 30° Precipitation 43%

Day

N

E

S

W

  • S 12 mph
  • Gusts: 18 mph

Mostly cloudy with a flurry; watch for some freezing drizzle as well

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0.0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 17° Precipitation 25%

Night

N

E

S

W

  • SSE 12 mph
  • Gusts: 17 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

Crystal Lake Pollen Levels - December 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 39° 29° N/A 32°
Low 30° 14° N/A 24°

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

Crystal Lake Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 20, 2014; 4:16 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