• Fri

    Sep 18

    67°Lo 50°

    Sun followed by clouds

    Sinus Headache Weather
    • Hi
      RealFeel
      67°
    • Precip
      25%
    • Cloud
      Cover
      52%
    more
  • Sat

    Sep 19

    66°Lo 53°

    Rain

    Sinus Headache Weather
    • Hi
      RealFeel
      60°
    • Precip
      83%
    • Cloud
      Cover
      99%
  • Sun

    Sep 20

    68°Lo 52°

    Times of clouds and sun

    Sinus Headache Weather
    • Hi
      RealFeel
      65°
    • Precip
      25%
    • Cloud
      Cover
      61%
    more
  • Mon

    Sep 21

    67°Lo 50°

    Mostly sunny

    Sinus Headache Weather
    • Hi
      RealFeel
      66°
    • Precip
      10%
    • Cloud
      Cover
      19%
    more
  • Tue

    Sep 22

    72°Lo 45°

    Rain tapering to a shower

    Sinus Headache Weather
    • Hi
      RealFeel
      70°
    • Precip
      75%
    • Cloud
      Cover
      86%
    more
Next Previous
Hi 66° RealFeel® 60° Precipitation 83%

Day

N

E

S

W

  • SE 14 mph
  • Gusts: 25 mph

Rain

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0.73 in
  • Rain: 0.73 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 9 hrs
  • Hours of Rain: 9 hrs
Lo 53° RealFeel® 41° Precipitation 74%

Night

N

E

S

W

  • SW 17 mph
  • Gusts: 25 mph

Occasional rain

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.73 in
  • Rain: 0.73 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5.5 hrs
  • Hours of Rain: 5.5 hrs

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2014
High 66° 71° N/A 73°
Low 53° 47° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:19 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:29 PM with 10:09 of moolight, then sets at 10:38 PM

Crystal Lake Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 3:26 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!