• Tonight

    Dec 21

    Lo 30°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      25°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      10 mph
    more
  • Mon

    Dec 22

    42°Lo 40°

    Cloudy with spotty showers

    Good for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      28°
    • Wind
      Speed
      15 mph
  • Tue

    Dec 23

    48°Lo 33°

    Cloudy with a shower in spots

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      44°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Dec 24

    39°Lo 27°

    Colder with snow at times

    Very Good for home energy
    • Avg
      RealFeel
      14°
    • Hi
      RealFeel
      22°
    • Wind
      Speed
      23 mph
    more
  • Thu

    Dec 25

    40°Lo 33°

    Mostly sunny and breezy

    Good for home energy
    • Avg
      RealFeel
      26°
    • Hi
      RealFeel
      30°
    • Wind
      Speed
      15 mph
    more
Next Previous
A couple of showers 39° Lo 31° RealFeel® 27° / 18°

N

E

S

W

  • Precipitation: 60%
  • Rain: 0.1 in
  • Snow: 0 in
  • Humidity: 79%
  • Cloud Cover: 92%
  • Dew Point: 29° F
  • Visibility: 9 mi
15 mph

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 42° 34° 58° (1957) 33°
Low 40° 18° -19° (1989)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:12 of sunlight, then sets at 4:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 AM with 10:10 of moolight, then sets at 5:40 PM

Ottawa Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 22, 2014; 12:04 AM ET

There's a chance for a white Christmas around Chicagoland as this 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index