• Tonight

    Feb 9

    Lo 5°

    Breezy and very cold

    Outdoor Barbecue Weather
    • Precip
      63%
    • Hi
      RealFeel
    • Wind
      Speed
      15 mph
  • Wed

    Feb 10

    14°Lo 5°

    Partly sunny and frigid

    Poor for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
    • Wind
      Speed
      12 mph
    more
  • Thu

    Feb 11

    18°Lo 10°

    Mostly sunny and frigid

    Poor for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      14°
    • Wind
      Speed
      7 mph
    more
  • Fri

    Feb 12

    22°Lo -2°

    A snow shower in the morning

    Poor for an outdoor bbq
    • Precip
      62%
    • Hi
      RealFeel
      11°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Feb 13

    12°Lo -2°

    Mostly sunny and frigid

    Poor for an outdoor bbq
    • Precip
      1%
    • Hi
      RealFeel
    • Wind
      Speed
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am
  7am 8am 9am 10am
Forecast
Cloudy
Cloudy
Cloudy
Flurries
Temp (°F) 18° 18° 17° 18°
RealFeel® -1°
Humidity 86% 84% 86% 79%
   
  7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
Snow
 
34%
 
34%
 
40%
 
49%
Ice
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am
Wind (mph) 14 NNW 14 NW 15 NW 15 NW
UV Index 0 0 1 1
Cloud Cover 94% 92% 91% 87%
Dew Point 15° 14° 13° 12°
Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Feb 9

more Historical Weather Data >
  Today Normal Record 2/9/2015
High 21° 30° N/A 26°
Low 12° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 10:20 of sunlight, then sets at 5:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:27 AM with 11:26 of moolight, then sets at 6:53 PM

Crystal Lake Weather Report

Chicago: Cold air to blast region through weekend

February 9, 2016; 8:55 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 >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Tue. Outdoor Entertaining

Tue. Wind Maps

Tue. UV Index