• Tonight

    Mar 3

    Lo 11°

    Cloudy, breezy and colder

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Mar 4

    20°Lo -2°

    Some sun, breezy and colder

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

    Mar 5

    16°Lo 2°

    Frigid with abundant sunshine

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

    Mar 6

    33°Lo 26°

    Sunny, breezy and not as cold

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      20 mph
    • Cloud
      Cover
      1%
    more
  • Sat

    Mar 7

    39°Lo 18°

    Chilly with some sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      63%
    more
Next Previous
Cloudy 29° RealFeel® 16°

N

E

S

W

  • Humidity: 96%
  • Pressure: 29.88 in
  • UV Index: 0
  • Cloud Cover: 100%
  • Ceiling: 4500 ft
  • Dew Point: 28° F
  • Visibility: 10 mi
15 mph

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

Temperature Summary - 9:22 PM

  Temp (°F)
Now 29°
Yesterday 35°
RealFeel® 16°
RealFeel® Shade 16°
Wind Chill 18°
Dew Point 28°
  Hi / Lo
Previous 6 Hours 37°
  29°
Previous 12 Hours 37°
  29°
Previous 24 Hours 37°
  24°

Temperature History - Mar 3

more Historical Weather Data >
  Today Normal Record 3/3/2014
High 37° 43° 78° (1974) 19°
Low 11° 24° -6° (2014) -6°

Precipitation Summary - 9:22 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0.14
Previous 24 Hours 0.17

Ottawa Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 3, 2015; 6:35 PM ET

While frigid conditions will encompass the Chicago area over the next couple of days, the weekend will offer a break from the bitter cold. 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