• Tonight

    Feb 28

    Lo 16°

    Cold with a little snow

    Asthma Weather
    • Hi
      RealFeel
      20°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sun

    Mar 1

    29°Lo 8°

    Cloudy, a bit of snow; cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      28°
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Mon

    Mar 2

    30°Lo 26°

    Cold with clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      38°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Tue

    Mar 3

    41°Lo 9°

    A wintry mix changing to rain

    Neutral weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      1 - Low
    • Cloud
      Cover
      99%
    more
  • Wed

    Mar 4

    16°Lo -2°

    Mostly cloudy and much colder

    Beneficial weather for asthma
    • Hi
      RealFeel
      -2°
    • UV
      3 - Moderate
    • Cloud
      Cover
      74%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Temp (°F) 20° 23° 25° 28° 28° 29° 29° 30°
RealFeel® 20° 27° 33° 37° 38° 37° 35° 32°
Humidity 64% 62% 58% 58% 62% 61% 62% 62%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WNW 5 WNW 5 WNW 5 WNW 4 W 4 WSW 4 SW 4 SSW
UV Index 2 3 3 4 3 3 2 1
Cloud Cover 46% 46% 46% 46% 46% 46% 48% 64%
Dew Point 10° 12° 13° 15° 16° 17° 17° 18°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Mar 2

more Historical Weather Data >
  Today Normal Record 3/2/2014
High 30° 42° 75° (1992) 10°
Low 26° 24° -9° (2014) -9°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 11:18 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:15 PM with 13:53 of moolight, then sets at 5:08 AM

Ottawa Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 28, 2015; 5:24 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?

Mon. Asthma Risk

Mon. UV Index