• Early AM

    Feb 13

    Lo -2°

    Colder

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

    Feb 13

    12°Lo -1°

    Mostly sunny and frigid

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

    Feb 14

    21°Lo 19°

    Very cold with a little snow

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

    Feb 15

    31°Lo 20°

    Not as cold with low clouds

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

    Feb 16

    33°Lo 15°

    A bit of afternoon snow

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Cloudy
Cloudy
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Cloudy
Temp (°F) 11°
RealFeel® -1° -5° -4° -4° -6° -4°
Humidity 82% 73% 77% 81% 81% 81% 80% 79%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 SSE 5 SSE 6 SSE 7 SSE 8 SSE 9 SSE 12 SSE 13 SSE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 100% 96% 95% 97% 99% 99% 99% 99%
Dew Point -2° -1° -1°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 14

more Historical Weather Data >
  Today Normal Record 2/14/2015
High 21° 31° N/A 25°
Low 19° 13° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:51 AM with 10:33 of sunlight, then sets at 5:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:33 AM with 14:12 of moolight, then sets at 12:45 AM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 12, 2016; 11:08 PM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps