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    • Tonight

      Feb 26

      27° Lo F
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Mon

      Feb 27

      51° /41°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Tue

      Feb 28

      63° /43°
      A strong afternoon t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      Mar 1

      47° /26°
      Rain and snow
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Mar 2

      38° /19°
      Snow and rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    46°Hi RealFeel® 35° Precipitation 12%
    Intervals of clouds and sunshine, breezy and milder
    • SW 18 mph
    • Gusts: 37 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    27°Lo RealFeel® 25° Precipitation 25%
    Partly cloudy
    • SW 9 mph
    • Gusts: 18 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    West Chicago Pollen Levels Feb 26

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/26/2016
    High 46° 39° 63° (1998) 33°
    Low 27° 24° -3° (2015) 24°

    Sunrise/Sunset

    • Sunrise: 6:33 AM
    • Sunset: 5:39 PM
    • Duration: 11:06 hr

    Moonrise/Moonset

    • Moonrise: 6:36 AM
    • Moonset: 5:57 PM
    • Duration: 11:21 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps