• Partly cloudy 72°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      73°
    • Wind
      Chill
      72°
    • Wind
      Speed
      4 mph
  • Tonight

    Aug 4

    Lo 68°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      8 mph
    Day Details >
  • Tomorrow

    Aug 5

    Hi 81°

    Partial sunshine

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      7 mph
    Day Details >
  • Thursday

    Aug 6

    Hi 80°

    Pleasant with periods of sun

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      9 mph
    Day Details >
Next

A thunderstorm Friday

8/4 8/5 Now: 11:49pm
PM 11-3
  • 11pm Partly cloudy 72° 0%
  • 12am Mostly clear 71° 0%
  • 1am Mostly clear 70° 0%
  • 2am Mostly clear 69° 0%
  • 3am Mostly clear 69° 0%
AM 10-3
  • 10am Partly sunny 77° 0%
  • 11am Partly sunny 79° 0%
  • 12pm Partly sunny 79° 0%
  • 1pm Partly sunny 80° 0%
  • 2pm Partly sunny 80° 0%
  • 3pm Partly sunny 81° 0%
PM 4-9
  • 4pm Partly sunny 80° 0%
  • 5pm Partly sunny 80° 0%
  • 6pm Partly sunny 79° 0%
  • 7pm Partly sunny 76° 0%
  • 8pm Partly sunny 75° 0%
  • 9pm Partly cloudy 75° 0%
Hourly Forecast >
Aug 04, 2015; 4:27 PM ET
Five-day Weather Forecast for Chicago, IL
Chicago, IL Weather Forecast

Chicago Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 3:07 PM ET

The Chicagoland area will experience cooler weather throughout the week. more >

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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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index