• Early AM

    Dec 21

    Lo 27°

    A flurry

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      33°
    • Wind
      Speed
      6 mph
    more
  • Today

    Dec 21

    40°Lo 31°

    Rather cloudy with a flurry

    Good for home energy
    • Avg
      RealFeel
      26°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      10 mph
  • Mon

    Dec 22

    44°Lo 40°

    A morning shower, then rain

    Good for home energy
    • Avg
      RealFeel
      31°
    • Hi
      RealFeel
      32°
    • Wind
      Speed
      15 mph
    more
  • Tue

    Dec 23

    46°Lo 34°

    Cloudy with spotty showers

    Fair for home energy
    • Avg
      RealFeel
      30°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      10 mph
    more
  • Wed

    Dec 24

    37°Lo 27°

    Snow showers; windy, colder

    Good for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      26°
    • Wind
      Speed
      17 mph
    more
Next Previous
Cloudy 32° RealFeel® 25°

N

E

S

W

  • Humidity: 81%
  • Pressure: 30.24 in
  • UV Index: 0
  • Cloud Cover: 100%
  • Ceiling: 3600 ft
  • Dew Point: 27° F
  • Visibility: 8 mi
8 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:07 of sunlight, then sets at 4:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:31 AM with 10:01 of moolight, then sets at 4:32 PM

Temperature Summary - 1:17 AM

  Temp (°F)
Now 32°
Yesterday 37°
RealFeel® 25°
RealFeel® Shade 25°
Wind Chill 25°
Dew Point 27°
  Hi / Lo
Previous 6 Hours 32°
  30°
Previous 12 Hours 35°
  30°
Previous 24 Hours 35°
  24°

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 40° 33° N/A 35°
Low 31° 19° N/A 30°

Precipitation Summary - 1:17 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0

Carol Stream Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 1:48 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. 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