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    Next 5 Days
    • Current Weather

      78° F
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 75%
      • Yesterday Temp: 79°
      • RealFeel: 80°
    • Tonight

      Aug 17

      72° Lo
      Clouds breaking; humid
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Aug 18

      81° Hi
      Partly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Sunday

      Aug 19

      83° Hi
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 7PM

      Aug 17

      77°
      Thunderstorms
      Precip 51%
    • 8PM

      76°
      Cloudy
      Precip 12%
    • 9PM

      76°
      Cloudy
      Precip 8%
    • 10PM

      75°
      Cloudy
      Precip 8%
    • 11PM

      75°
      Cloudy
      Precip 8%
    • 12AM

      75°
      Cloudy
      Precip 8%

    Chicago Pollen Levels Aug 17

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Allergies Live Feed

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    Fri. Dust & Dander

    Fri. Wind Maps