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    • Today

      Sep 27

      67° /53°F
      Mostly sunny and breezy.
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Sep 28

      63° /59°
      Mostly cloudy, a shower or two.
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      68° /60°
      A brief shower or two.
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      65° /60°
      Mostly cloudy, showers around
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      68° /59°
      A couple of showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    60°/55° RealFeel® 56°/49°
    Showers
    • 10 mph
    • Precipitation: 60%
    • Rain: 0.11 in
    • Snow: 0 in
    • Humidity: 69%
    • Cloud Cover: 94%
    • Dew Point: 48° F
    • Visibility: 8 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 67° 71° 91° (1971) 76°
    Low 53° 52° 31° (1942) 67°

    Sunrise/Sunset

    • Sunrise: 6:44 AM
    • Sunset: 6:38 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:19 AM
    • Moonset: 5:07 PM
    • Duration: 13:48 hr
    Astronomy

    Chicago Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 5:03 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps