• Today

    Aug 4

    81°Lo 58°

    Mostly sunny and delightful

    Excellent for an outdoor bbq
    • Precip
      2%
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      8 mph
  • Wed

    Aug 5

    83°Lo 63°

    Increasing clouds

    Excellent for an outdoor bbq
    • Precip
      7%
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      5 mph
    more
  • Thu

    Aug 6

    81°Lo 64°

    Mostly cloudy

    Excellent for an outdoor bbq
    • Precip
      14%
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      8 mph
    more
  • Fri

    Aug 7

    80°Lo 64°

    Periods of sun with a t-storm

    Excellent for an outdoor bbq
    • Precip
      55%
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      7 mph
    more
  • Sat

    Aug 8

    85°Lo 65°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
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  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Temp (°F) 65° 64° 62° 61° 60° 59° 58° 60°
RealFeel® 64° 64° 62° 61° 60° 60° 58° 60°
Humidity 68% 74% 77% 76% 77% 79% 83% 86%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 5 WSW 5 W 4 W 4 W 4 W 4 WNW 4 W 4 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 54° 55° 55° 53° 53° 53° 52° 55°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 81° 80° N/A 81°
Low 58° 60° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:20 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:45 PM with 13:16 of moolight, then sets at 12:01 PM

Crystal Lake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 4:40 AM ET

The Chicagoland area will experience cooler weather throughout the week. 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