• Early AM

    Feb 27

    Lo -9°

    Frigid

    Asthma Weather
    • Hi
      RealFeel
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Feb 27

    15°Lo -5°

    Sunny, but frigid

    Beneficial weather for asthma
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Sat

    Feb 28

    22°Lo 16°

    Mostly sunny and very cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sun

    Mar 1

    30°Lo 10°

    Cold with snow at times

    Beneficial weather for asthma
    • Hi
      RealFeel
      22°
    • UV
      2 - Low
    • Cloud
      Cover
      94%
    more
  • Mon

    Mar 2

    32°Lo 29°

    Rather cloudy and cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      28°
    • UV
      3 - Moderate
    • Cloud
      Cover
      83%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
8pm
9pm 10pm 11pm Sat
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) -1° -1° -1° -2° -3° -4° -5°
RealFeel® -1° -2° -1° -1° -2°
Humidity 85% 88% 86% 86% 85% 87% 91% 91%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 5 WSW 5 WSW 4 WSW 4 WSW 2 WSW 2 WSW 2 WSW 2 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point -3° -4° -4° -5° -5° -6° -6° -7°
Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F Middle Grid line -10 F

Temperature History - Feb 27

more Historical Weather Data >
  Today Normal Record 2/27/2014
High 15° 41° 72° (1976) 12°
Low -5° 23° -14° (1934) -1°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 11:11 of sunlight, then sets at 5:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:32 PM with 14:41 of moolight, then sets at 3:13 AM

Ottawa Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 26, 2015; 10:40 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 >

Making a Forecast: The Sixth Sense

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

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index