• Early AM

    Dec 18

    Lo 18°

    Mostly cloudy

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

    Dec 18

    31°Lo 19°

    Mainly cloudy

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

    Dec 19

    33°Lo 23°

    Times of clouds and sun

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

    Dec 20

    36°Lo 23°

    Mostly cloudy

    Low ragweed pollen levels
    • Precip
      16%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      82%
    more
  • Sun

    Dec 21

    37°Lo 29°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 33° RealFeel® 36° Precipitation 4%

Day

N

E

S

W

  • S 2 mph
  • Gusts: 4 mph

Intervals of clouds and sunshine

  • Max UV Index: 1 (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® 24° Precipitation 7%

Night

N

E

S

W

  • SSE 2 mph
  • Gusts: 5 mph

Thickening clouds

  • 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 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 33° 30° N/A 32°
Low 23° 14° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:05 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 AM with 10:18 of moolight, then sets at 2:47 PM

Crystal Lake Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 8:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps