• Tonight

    Apr 26

    Lo 32°

    Mainly clear and cold

    Sinus Headache Weather
    • Hi
      RealFeel
      58°
    • UV
      7 - High
    • Cloud
      Cover
      5%
    more
  • Mon

    Apr 27

    54°Lo 34°

    Plenty of sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      55°
    • UV
      7 - High
    • Cloud
      Cover
      6%
    more
  • Tue

    Apr 28

    58°Lo 38°

    Partly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      63°
    • UV
      7 - High
    • Cloud
      Cover
      26%
    more
  • Wed

    Apr 29

    63°Lo 38°

    More clouds than sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      76°
    • UV
      6 - High
    • Cloud
      Cover
      70%
    more
  • Thu

    Apr 30

    60°Lo 39°

    Mostly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      62°
    • UV
      7 - High
    • Cloud
      Cover
      15%
Next Previous
Clear 43° Lo 39° RealFeel® 36° / 35°

N

E

S

W

  • Precipitation: 2%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 56%
  • Cloud Cover: 2%
  • Dew Point: 26° F
  • Visibility: 10 mi
8 mph

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2014
High 60° 62° N/A 50°
Low 39° 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 26, 2015; 7:45 PM ET

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