• Mon

    Sep 14

    68°Lo 49°

    Increasing cloudiness

    Outdoor Barbecue Weather
    • Precip
      25%
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Sep 15

    67°Lo 54°

    Rain

    Outdoor Barbecue Weather
    • Precip
      79%
    • Hi
      RealFeel
      62°
    • Wind
      Speed
      14 mph
    more
  • Wed

    Sep 16

    66°Lo 53°

    Sunny intervals

    Outdoor Barbecue Weather
    • Precip
      25%
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      13 mph
    more
  • Thu

    Sep 17

    67°Lo 53°

    Turning out cloudy

    Outdoor Barbecue Weather
    • Precip
      25%
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      5 mph
    more
  • Fri

    Sep 18

    67°Lo 50°

    Sun followed by clouds

    Outdoor Barbecue Weather
    • Precip
      25%
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      8 mph
Next Previous
Hi 67° RealFeel® 67° Precipitation 25%

Day

N

E

S

W

  • E 8 mph
  • Gusts: 16 mph

Sun followed by clouds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 40° Precipitation 62%

Night

N

E

S

W

  • ESE 10 mph
  • Gusts: 16 mph

Considerable cloudiness with a little rain

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2014
High 67° 72° N/A 64°
Low 50° 48° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:22 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:33 AM with 10:24 of moolight, then sets at 9:57 PM

Crystal Lake Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 10:00 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new 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.