• Tonight

    Apr 27

    Lo 33°

    Clear and cold

    Outdoor Concert Weather
    • Hi
      RealFeel
      57°
    • Precip
      6%
    • Wind
      Speed
      12 mph
    more
  • Tue

    Apr 28

    58°Lo 37°

    Sunshine and patchy clouds

    Fair for an outdoor concert
    • Hi
      RealFeel
      63°
    • Precip
      4%
    • Wind
      Speed
      7 mph
    more
  • Wed

    Apr 29

    59°Lo 35°

    Periods of sun

    Fair for an outdoor concert
    • Hi
      RealFeel
      62°
    • Precip
      25%
    • Wind
      Speed
      9 mph
    more
  • Thu

    Apr 30

    56°Lo 37°

    Breezy with periods of sun

    Poor for an outdoor concert
    • Hi
      RealFeel
      53°
    • Precip
      7%
    • Wind
      Speed
      16 mph
  • Fri

    May 1

    64°Lo 48°

    Sunny and warmer

    Fair for an outdoor concert
    • Hi
      RealFeel
      68°
    • Precip
      2%
    • Wind
      Speed
      9 mph
    more
Next Previous
Times of clouds and sun 51° Lo 40° RealFeel® 47° / 29°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 70%
  • Cloud Cover: 69%
  • Dew Point: 36° F
  • Visibility: 10 mi
17 mph

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2014
High 56° 62° N/A 50°
Low 37° 40° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:01 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:40 PM with 11:58 of moolight, then sets at 4:38 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 4:50 PM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. more >

Bad Weather and the Ballot Box

Oct 28, 2012; 5:00 AM ET The presidential election is only days away. How does the weather affect the number of people who show up to vote?