• 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
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • 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
  • Thu

    Mar 5

    17°Lo 5°

    Mostly sunny and frigid

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      11%
Next Previous
Frigid 9° Lo 5° RealFeel® -3° / -10°

N

E

S

W

  • Precipitation: 5%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 71%
  • Cloud Cover: 1%
  • Dew Point: -1° F
  • Visibility: 10 mi
10 mph

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 17° 44° 74° (1983) 25°
Low 25° -5° (1960) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 11:27 of sunlight, then sets at 5:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:04 PM with 12:34 of moolight, then sets at 6:38 AM

Ottawa 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?

Thu. Dust & Dander

Thu. Wind Maps