• Mostly cloudy 71°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      74°
    • Wind
      Chill
      71°
    • Wind
      Speed
      9 mph
  • Early AM

    Sep 2

    Lo 66°

    Partly to mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      6 mph
    Day Details >
  • Today

    Sep 2

    Hi 78°

    Partly sunny and less humid

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      4 mph
    Day Details >
  • Tomorrow

    Sep 3

    Hi 80°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      7 mph
    Day Details >
Next

Pleasant Sunday

9/2 9/3 Now: 1:54am
AM 1-5
  • 1am Mostly cloudy w/ t-storms 71° 51%
  • 2am Partly cloudy 70° 25%
  • 3am Partly cloudy 69° 20%
  • 4am Partly cloudy 69° 20%
  • 5am Partly cloudy 68° 20%
PM 12-5
  • 12pm Partly sunny 75° 0%
  • 1pm Partly sunny 76° 0%
  • 2pm Partly sunny 76° 0%
  • 3pm Partly sunny 77° 0%
  • 4pm Partly sunny 78° 0%
  • 5pm Partly sunny 78° 0%
PM 6-11
  • 6pm Partly sunny 77° 0%
  • 7pm Partly sunny 76° 0%
  • 8pm Mostly clear 74° 0%
  • 9pm Clear 73° 0%
  • 10pm Clear 72° 0%
  • 11pm Clear 71° 0%
Hourly Forecast >
Sep 01, 2014; 10:36 AM ET
Thunderstorms, some strong, this afternoon through early this evening; storms can bring downpours, large hail and damaging winds
Chicago, IL Weather Forecast

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Top Story

Chicago Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 1, 2014; 8:54 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in 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