• Today

    Mar 2

    29°Lo 22°

    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

    38°Lo 10°

    A wintry mix changing to rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Mar 4

    16°Lo -3°

    Clouds and sun; much colder

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

    Mar 5

    12°Lo 2°

    Sunny, but frigid

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      2%
    more
  • Fri

    Mar 6

    32°Lo 23°

    Periods of sun; not as cold

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      55%
    more
Next Previous
Rain 38° Lo 34° RealFeel® 24° / 16°

N

E

S

W

  • Precipitation: 75%
  • Rain: 0.15 in
  • Snow: 0 in
  • Humidity: 91%
  • Cloud Cover: 99%
  • Dew Point: 33° F
  • Visibility: 7 mi
18 mph

Temperature History - Mar 3

more Historical Weather Data >
  Today Normal Record 3/3/2014
High 38° 43° 78° (1974) 19°
Low 10° 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: Wintry Mix to Precede Harsh Cold

March 2, 2015; 8:15 AM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Making a Forecast: The Sixth Sense

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps