• Saturday

    Mar 28

    40°Lo 24°

    Abundant sunshine, but chilly

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

    Mar 29

    49°Lo 32°

    Mostly cloudy, showers around

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

Ottawa Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 6:11 AM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area for the start of the weekend before temperatures rebound into the 50s for the new week. more >

Allergies Live Feed

    Loading...

    Loading...

    Loading...

Making a Forecast: The Sixth Sense

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps