• Early AM

    Mar 1

    Lo 16°

    Light snow

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Mar 1

    27°Lo 7°

    A bit of morning snow; cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Mar 2

    29°Lo 23°

    Cold with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Mar 3

    39°Lo 9°

    A wintry mix changing to rain

    Low ragweed pollen levels
    • Precip
      76%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      99%
  • Wed

    Mar 4

    17°Lo -3°

    Mainly cloudy and much colder

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      76%
    more
Next Previous
Colder 21° Lo 9° RealFeel® 0° / -12°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 74%
  • Cloud Cover: 95%
  • Dew Point: 8° F
  • Visibility: 5 mi
18 mph

Temperature History - Mar 3

more Historical Weather Data >
  Today Normal Record 3/3/2014
High 39° 43° 78° (1974) 19°
Low 24° -6° (2014) -6°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 11:21 of sunlight, then sets at 5:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 PM with 13:29 of moolight, then sets at 5:40 AM

Ottawa Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

March 1, 2015; 12:14 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?

Tue. Dust & Dander

Tue. Wind Maps