• Friday

    Jul 18

    76°Lo 57°

    Partly sunny

    Ragweed Pollen
    Weather
    • Precip
      20%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      45%
    more
  • Saturday

    Jul 19

    79°Lo 58°

    Mostly sunny

    Ragweed Pollen
    Weather
    • Precip
      14%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      21%
    more
  • Sunday

    Jul 20

    81°Lo 65°

    Partly sunny

    Ragweed Pollen
    Weather
    • Precip
      20%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      48%
    more
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Top Story

Ottawa Weather Report

Taste of September Coming to Chicago

July 13, 2014; 9:00 PM ET

An early taste of September will dominate weather headlines around Chicago this week. more >

Allergies Live Feed

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Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Dust & Dander

Fri. Wind Maps