• Thu

    Feb 11

    20°Lo 8°

    Partly sunny and very cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      16°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Feb 12

    22°Lo 8°

    Clearing and cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      14°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Sat

    Feb 13

    21°Lo 10°

    Partly sunny and very cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      15°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Sun

    Feb 14

    25°Lo 17°

    Snow or flurries possible

    Beneficial weather for asthma
    • Hi
      RealFeel
      20°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Mon

    Feb 15

    27°Lo 20°

    Partly sunny and cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      33°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
Next Previous
Partly to mostly cloudy 11° Lo 9° RealFeel® -3° / -5°

N

E

S

W

  • Precipitation: 13%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 45%
  • Cloud Cover: 70%
  • Dew Point: -7° F
  • Visibility: 10 mi
10 mph

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 22° 31° N/A 13°
Low 13° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 10:28 of sunlight, then sets at 5:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:17 AM with 13:11 of moolight, then sets at 10:28 PM

Crystal Lake Weather Report

Chicago: Temperatures to fall through the week

February 6, 2016; 7:33 PM ET

Colder air will follow winter weather early in the week across the Chicago region. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health