• Today

    Dec 19

    32°Lo 22°

    More clouds than sun

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

    Dec 20

    35°Lo 26°

    Mostly cloudy

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

    Dec 21

    38°Lo 30°

    Mostly cloudy

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

    Dec 22

    42°Lo 35°

    Mostly cloudy, afternoon rain

    Low ragweed pollen levels
    • Precip
      74%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      90%
    more
  • Tue

    Dec 23

    41°Lo 29°

    Cloudy with spotty showers

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      91%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 31° 34° 35° 36° 37° 38° 38° 37°
RealFeel® 23° 25° 26° 27° 28° 29° 28° 27°
Humidity 75% 71% 69% 67% 66% 66% 67% 69%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 10 SSE 10 SSE 12 SSE 13 SSE 13 SSE 13 SSE 12 SSE 12 SSE
UV Index 0 1 1 1 1 1 0 0
Cloud Cover 92% 93% 94% 94% 94% 93% 92% 92%
Dew Point 24° 26° 26° 26° 27° 28° 28° 28°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 38° 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 19, 2014; 6:32 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. more >

Sun. Dust & Dander

Sun. Wind Maps