• Early AM

    Feb 11

    Lo 5°

    Frigid

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

    Feb 11

    19°Lo 10°

    Mostly sunny and cold

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

    Feb 12

    20°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

    11°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

    20°Lo 15°

    Frigid; a little p.m. 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
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Sunny
Mostly Sunny
Temp (°F) 14° 14° 16° 17° 18° 20° 19° 18°
RealFeel®
Humidity 85% 85% 82% 80% 77% 69% 68% 65%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 10 WNW 12 WNW 13 WNW 14 WNW 16 WNW 18 NW 16 NW 17 NW
UV Index 0 0 0 1 2 2 2 2
Cloud Cover 87% 86% 90% 94% 94% 90% 45% 26%
Dew Point 11° 10° 11° 12° 12° 11° 10°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 20° 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: Cold air to blast region through weekend

February 11, 2016; 2:01 AM ET

Cold air will grip the Chicago area into the weekend with temperatures up to 15 degrees Fahrenheit below average for this time of year. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps