• Today

    Dec 18

    29°Lo 18°

    Times of clouds and sun

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

    Dec 19

    32°Lo 19°

    Times of clouds and sun

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

    Dec 20

    35°Lo 24°

    Clouds breaking for some sun

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

    Dec 21

    38°Lo 29°

    Mostly cloudy

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      85%
    more
  • Mon

    Dec 22

    40°Lo 34°

    Snow and rain in the p.m.

    Ragweed Pollen Weather
    • Precip
      71%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Clear
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 19° 20° 21° 24° 27° 28° 30° 31°
RealFeel® 19° 20° 22° 26° 30° 32° 34° 35°
Humidity 79% 78% 76% 72% 66% 62% 58% 56%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 4 NW 4 NNW 2 NNW 2 NNW 2 NW 2 NW 2 NW 2 WNW
UV Index 0 0 0 0 1 1 1 1
Cloud Cover 10% 46% 46% 46% 46% 46% 46% 46%
Dew Point 14° 14° 15° 16° 17° 17° 17° 17°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 32° 30° N/A 32°
Low 19° 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 18, 2014; 9:13 AM 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