• Tonight

    Apr 29

    Lo 39°

    Rather cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      49°
    • UV
      4 - Moderate
    • Cloud
      Cover
      95%
    more
  • Sat

    Apr 30

    52°Lo 42°

    Mostly cloudy, afternoon rain

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      48°
    • UV
      4 - Moderate
    • Cloud
      Cover
      94%
    more
  • Sun

    May 1

    52°Lo 39°

    Rather cloudy, a little rain

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      48°
    • UV
      4 - Moderate
    • Cloud
      Cover
      93%
  • Mon

    May 2

    61°Lo 38°

    Partly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      69°
    • UV
      5 - High
    • Cloud
      Cover
      29%
    more
  • Tue

    May 3

    66°Lo 49°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      69°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
Next Previous
Partly to mostly cloudy 47° Lo 43° RealFeel® 41° / 39°

N

E

S

W

  • Precipitation: 8%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 75%
  • Cloud Cover: 55%
  • Dew Point: 37° F
  • Visibility: 10 mi
8 mph

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 52° 62° N/A 69°
Low 39° 40° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:06 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:45 AM with 11:09 of moolight, then sets at 1:54 PM

Crystal Lake Weather Report

Chicago: Warmup to follow cool, damp weekend

April 29, 2016; 8:07 PM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Sun. Sinus Headache

Sun. UV Index