• Today

    Feb 26

    19°Lo -9°

    Mostly cloudy; turning colder

    Excellent for home energy
    • Avg
      RealFeel
      -5°
    • Hi
      RealFeel
    • Wind
      Speed
      12 mph
    more
  • Fri

    Feb 27

    14°Lo -5°

    Sunny, but frigid

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Feb 28

    22°Lo 17°

    Partly sunny and very cold

    Very Good for home energy
    • Avg
      RealFeel
      11°
    • Hi
      RealFeel
      16°
    • Wind
      Speed
      7 mph
  • Sun

    Mar 1

    30°Lo 11°

    Cold with snow at times

    Good for home energy
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      23°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Mar 2

    31°Lo 28°

    Rather cloudy and cold

    Good for home energy
    • Avg
      RealFeel
      23°
    • Hi
      RealFeel
      27°
    • Wind
      Speed
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Temp (°F) 11° 14° 17° 19° 19° 19° 19° 21°
RealFeel® 10° 13° 16° 16° 16° 14° 13° 14°
Humidity 63% 63% 60% 62% 68% 69% 69% 67%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SSE 7 SSE 8 SSE 9 SSE 9 SSE 9 SSE 9 SSE 8 SE
UV Index 2 3 4 4 3 3 2 1
Cloud Cover 1% 0% 0% 3% 14% 29% 46% 63%
Dew Point 10° 10° 10° 11°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 28

more Historical Weather Data >
  Today Normal Record 2/28/2014
High 22° 40° 64° (1976) 34°
Low 17° 22° -1° (1994)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 11:13 of sunlight, then sets at 5:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:26 PM with 14:31 of moolight, then sets at 3:57 AM

Peru Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 26, 2015; 4:10 PM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index