• Early AM

    Dec 18

    Lo 18°

    Mostly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      16°
    • UV
      0 - Low
    • Cloud
      Cover
      69%
    more
  • Today

    Dec 18

    30°Lo 18°

    Mainly cloudy

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      30°
    • UV
      1 - Low
    • Cloud
      Cover
      90%
  • Fri

    Dec 19

    32°Lo 22°

    Times of clouds and sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      35°
    • UV
      1 - Low
    • Cloud
      Cover
      46%
    more
  • Sat

    Dec 20

    35°Lo 25°

    Clouds breaking for some sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      38°
    • UV
      1 - Low
    • Cloud
      Cover
      70%
    more
  • Sun

    Dec 21

    38°Lo 29°

    Mostly cloudy

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      1 - Low
    • Cloud
      Cover
      85%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
12pm
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 27° 29° 30° 29° 28° 26° 25° 24°
RealFeel® 29° 30° 29° 26° 26° 25° 24° 24°
Humidity 58% 56% 56% 57% 60% 64% 67% 68%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 4 WNW 5 WNW 5 WNW 6 WNW 5 WNW 5 WNW 4 WNW 4 NW
UV Index 1 1 1 0 0 0 0 0
Cloud Cover 90% 91% 94% 96% 97% 96% 93% 87%
Dew Point 14° 15° 15° 16° 16° 16° 15° 15°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 30° 30° N/A 34°
Low 18° 15° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:06 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:27 AM with 10:38 of moolight, then sets at 2:05 PM

Crystal Lake Weather Report

Chicago: White Christmas in the Offing

December 18, 2014; 2:33 AM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Thu. Sinus Headache

Thu. UV Index