• Today

    Feb 12

    21°Lo -2°

    Becoming windier, very cold

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

    Feb 13

    12°Lo 0°

    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 20°

    Very cold with a little snow

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

    Feb 15

    35°Lo 21°

    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 14°

    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 >
  Fri
7pm
8pm 9pm 10pm 11pm Sat
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F)
RealFeel® -15° -15° -16° -16° -16° -17° -22° -21°
Humidity 65% 66% 67% 68% 71% 72% 70% 71%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
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Snow
 
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Ice
 
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 17 NNW 17 NNW 16 NNW 15 NNW 15 NNW 14 NNW 16 NNW 15 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 10% 10% 10% 7% 0% 0% 0% 0%
Dew Point -1° -1° -2° -3° -3° -4° -5° -6°
Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 21° 31° N/A 13°
Low -2° 13° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 10:28 of sunlight, then sets at 5:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:17 AM with 13:11 of moolight, then sets at 10:28 PM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 12, 2016; 8:24 AM ET

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps