• Cloudy 84°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      88°
    • Wind
      Chill
      84°
    • Wind
      Speed
      14 mph
  • Today

    Aug 1

    Hi 83°

    Mostly sunny and nice

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

    Aug 2

    Hi 84°

    A strong thunderstorm

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

    Aug 3

    Hi 80°

    Partly sunny and breezy

    Poor for home energy
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      14 mph
    Day Details >
Next

Thunderstorms, some strong, tomorrow morning through tomorrow evening

8/1 8/2 Now: 2:51pm
PM 2-6
  • 2pm Mostly sunny 82° 0%
  • 3pm Sunny 83° 0%
  • 4pm Sunny 83° 0%
  • 5pm Sunny 83° 0%
  • 6pm Sunny 81° 0%
AM 1-6
  • 1am Mostly clear 70° 7%
  • 2am Mostly cloudy 69° 7%
  • 3am Mostly cloudy 69° 7%
  • 4am Mostly cloudy 69° 6%
  • 5am Mostly cloudy 68° 5%
  • 6am Mostly cloudy 68° 5%
AM 7-12
  • 7am Mostly cloudy 68° 8%
  • 8am Intermittent clouds 70° 47%
  • 9am Mostly cloudy w/ t-storms 70° 51%
  • 10am Intermittent clouds 73° 47%
  • 11am Intermittent clouds 76° 19%
  • 12pm Intermittent clouds 77° 19%
Hourly Forecast >
Aug 01, 2015; 5:54 AM ET
Five-day Weather Forecast for Chicago, IL
Chicago, IL Weather Forecast

Portage Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 12:26 PM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index