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    • Today

      Dec 3

      39° /31°
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Dec 4

      37° /32°F
      Showers of rain and snow
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Dec 5

      43° /35°
      Clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 6

      42° /26°
      A little afternoon rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 7

      31° /17°
      Cloudy and colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    37°Hi RealFeel® 31° Precipitation 70%
    A couple of rain and snow showers beginning in the late morning; roads will be mainly wet
    • SSW 8 mph
    • Gusts: 11 mph
    • Max UV Index: 0 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.11 in
    • Rain: 0.08 in
    • Snow: 0.2 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 1.5 hrs

    Night

    32°Lo RealFeel® 27° Precipitation 55%
    A couple of flurries early in the evening; otherwise, low clouds
    • SW 8 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 0 hrs

    Chicago Pollen Levels Dec 4

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/4/2015
    High 37° 39° 68° (1998) 48°
    Low 32° 26° (1991) 33°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 4:20 PM
    • Duration: 9:18 hr

    Moonrise/Moonset

    • Moonrise: 10:43 AM
    • Moonset: 9:14 PM
    • Duration: 10:31 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps