• Tonight

    Mar 1

    Lo 8°

    Becoming clear and frigid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      29°
    • Wind
      Speed
      7 mph
  • Mon

    Mar 2

    26°Lo 22°

    Mostly sunny and cold

    Good for home energy
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      34°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Mar 3

    37°Lo 7°

    Snow mixing with rain; breezy

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      25°
    • Wind
      Speed
      16 mph
    more
  • Wed

    Mar 4

    15°Lo -3°

    Mainly cloudy and much colder

    Excellent for home energy
    • Avg
      RealFeel
      -12°
    • Hi
      RealFeel
      -2°
    • Wind
      Speed
      18 mph
    more
  • Thu

    Mar 5

    15°Lo 4°

    Mostly sunny and frigid

    Excellent for home energy
    • Avg
      RealFeel
      -2°
    • Hi
      RealFeel
    • Wind
      Speed
      10 mph
    more
Next Previous
Cloudy to partly sunny 26° Lo 23° RealFeel® 23° / 10°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 71%
  • Cloud Cover: 56%
  • Dew Point: 17° F
  • Visibility: 9 mi
10 mph

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 26° 36° N/A 20°
Low 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 11:14 of sunlight, then sets at 5:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:15 PM with 14:18 of moolight, then sets at 4:33 AM

Crystal Lake Weather Report

Chicago: Wintry Mix to Precede Harsh Cold

March 1, 2015; 9:45 PM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index