• Today

    Mar 1

    28°Lo 9°

    Cloudy and cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      1 - Low
    • Air Qual.
      Good
  • Mon

    Mar 2

    27°Lo 23°

    Cold with periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      37°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Mar 3

    38°Lo 8°

    A wintry mix changing to rain

    Neutral weather for asthma
    • Hi
      RealFeel
      26°
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Wed

    Mar 4

    14°Lo -5°

    Mostly cloudy and much colder

    Beneficial weather for asthma
    • Hi
      RealFeel
      -6°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
  • Thu

    Mar 5

    14°Lo 5°

    Mostly sunny and frigid

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 20° 19° 17° 16° 15° 14° 13° 11°
RealFeel®
Humidity 83% 83% 83% 84% 85% 85% 84% 85%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
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Snow
 
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Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 10 W 10 W 9 WNW 9 WNW 9 WNW 9 W 8 WNW 8 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 95% 95% 46% 46% 46% 46% 46%
Dew Point 15° 14° 13° 12° 11° 10°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 28° 41° 65° (2004) 30°
Low 23° (1962) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:16 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:21 PM with 14:14 of moolight, then sets at 4:35 AM

Peru Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

March 1, 2015; 3:14 AM 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 >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index