• Tonight

    Mar 27

    Lo 15°

    Clear and frigid

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

    Mar 28

    40°Lo 25°

    Abundant sunshine, but cold

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

    Mar 29

    50°Lo 32°

    Windy with a few showers

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

    Mar 30

    59°Lo 43°

    Sunny and milder

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      9%
    more
  • Tue

    Mar 31

    65°Lo 42°

    Sunny and breezy

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      8%
    more
Next Previous
Frigid 25° Lo 18° RealFeel® 19° / 17°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 75%
  • Cloud Cover: 15%
  • Dew Point: 15° F
  • Visibility: 10 mi
6 mph

Temperature History - Mar 27

more Historical Weather Data >
  Today Normal Record 3/27/2014
High 35° 54° 82° (1945) 55°
Low 15° 33° (1965) 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:28 of sunlight, then sets at 7:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:19 PM with 14:35 of moolight, then sets at 2:54 AM

Ottawa Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 12:04 PM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area early this weekend. more >

Making a Forecast: The Sixth Sense

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps