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    • Today

      Sep 25

      84° /58°F
      A p.m. shower or heavy t-storm.
      • 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
    • Mon

      Sep 26

      67° /53°
      Windy and cooler
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      64° /53°
      Partly sunny and breezy.
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      64° /57°
      Mainly cloudy with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      67° /58°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    64°/58° RealFeel® 60°/52°
    Thunderstorms
    • 16 mph
    • Precipitation: 55%
    • Rain: 0.05 in
    • Snow: 0 in
    • Humidity: 84%
    • Cloud Cover: 97%
    • Dew Point: 56° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 84° 72° 91° (1986) 76°
    Low 58° 53° 30° (1942) 64°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:42 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:18 AM
    • Moonset: 3:52 PM
    • Duration: 14:34 hr
    Astronomy

    Chicago Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 1:13 PM ET

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

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps