• Early AM

    Feb 12

    Lo 12°

    Very cold

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

    Feb 12

    19°Lo -2°

    Cold with some sun returning

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

    Feb 13

    12°Lo 4°

    Mostly sunny and frigid

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

    Feb 14

    23°Lo 19°

    Very cold; a little p.m. snow

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

    Feb 15

    30°Lo 19°

    Not as cold with low clouds

    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
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Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Mostly Clear
Mostly Clear
Temp (°F) 17° 16° 15° 14° 12° 10°
RealFeel® -2° -6° -9° -11° -14° -16° -16°
Humidity 68% 66% 62% 60% 62% 64% 67% 68%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
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Snow
 
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Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 17 NW 18 NW 20 NW 20 NW 20 NW 18 NW 18 NW 17 NNW
UV Index 2 2 1 0 0 0 0 0
Cloud Cover 45% 26% 26% 31% 45% 45% 10% 10%
Dew Point -1° -1°
Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 19° 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; 12:44 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