• Today

    Aug 30

    79°Lo 61°

    Warmer; cloudy, then some sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      89°
    • UV
      4 - Moderate
    • Cloud
      Cover
      72%
    more
  • Mon

    Aug 31

    85°Lo 67°

    Sunny, very warm and humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Cloud
      Cover
      5%
    more
  • Tue

    Sep 1

    87°Lo 69°

    Mostly sunny, warm and humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Cloud
      Cover
      16%
    more
  • Wed

    Sep 2

    88°Lo 68°

    Partly sunny and very warm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Cloud
      Cover
      26%
    more
  • Thu

    Sep 3

    88°Lo 69°

    Mostly sunny and very warm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Cloud
      Cover
      20%
Next Previous
Partly cloudy 76° Lo 71° RealFeel® 75° / 71°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 77%
  • Cloud Cover: 47%
  • Dew Point: 66° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 88° 77° N/A 80°
Low 69° 54° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:04 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:42 PM with 14:28 of moolight, then sets at 1:10 PM

Crystal Lake Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 1:00 PM ET

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