• Today

    Feb 10

    17°Lo 3°

    Partly sunny and frigid

    Neutral weather for colds
    • Avg
      Temp
      10°
    • Avg
      RealFeel
    • Hi
      RealFeel
  • Thu

    Feb 11

    18°Lo 10°

    Mostly sunny and frigid

    Neutral weather for colds
    • Avg
      Temp
      14°
    • Avg
      RealFeel
    • Hi
      RealFeel
      15°
    more
  • Fri

    Feb 12

    21°Lo -1°

    Clouds breaking and windy

    Neutral weather for colds
    • Avg
      Temp
      10°
    • Avg
      RealFeel
      -7°
    • Hi
      RealFeel
    more
  • Sat

    Feb 13

    13°Lo 0°

    Mostly sunny and frigid

    Neutral weather for colds
    • Avg
      Temp
    • Avg
      RealFeel
    • Hi
      RealFeel
    more
  • Sun

    Feb 14

    21°Lo 19°

    Very cold with a little snow

    At Risk weather for colds
    • Avg
      Temp
      20°
    • Avg
      RealFeel
    • Hi
      RealFeel
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
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Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F)
RealFeel® -1° -2° -3° -3° -4° -5° -5° -6°
Humidity 78% 78% 76% 75% 75% 74% 70% 68%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
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Snow
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 8 NW 8 NW 8 NW 8 NW 8 NW 8 NW 8 NW 8 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point -1° -3° -5°
Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 10

more Historical Weather Data >
  Today Normal Record 2/10/2015
High 17° 30° N/A 29°
Low 12° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 10:22 of sunlight, then sets at 5:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:05 AM with 12:00 of moolight, then sets at 8:05 PM

Crystal Lake Weather Report

Chicago: Cold air to blast region through weekend

February 10, 2016; 5:00 PM 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 >

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Wed. Cold & Flu

Wed. UV Index