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    Next 5 Days
    • Current Weather

      53° F
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 100%
      • Yesterday Temp: 55°
      • RealFeel: 58°
    • Early AM

      Aug 24

      51° Lo
      Partly to mostly cloudy
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      } Day Details
    • Today

      Aug 24

      72° Hi
      Beautiful with clouds and sun
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Aug 25

      72° Hi
      Partly sunny and nice
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 4AM

      Aug 24

      53°
      Partly cloudy
      Precip 0%
    • 5AM

      51°
      Partly cloudy
      Precip 0%
    • 6AM

      53°
      Partly cloudy
      Precip 0%
    • 7AM

      54°
      Intermittent clouds
      Precip 0%
    • 8AM

      57°
      Intermittent clouds
      Precip 0%
    • 9AM

      62°
      Partly sunny
      Precip 0%

    Crystal Lake Pollen Levels Aug 24

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Low

     Low humidity and unseasonably cool air will settle over the region through Friday.
    Pleasant conditions to close out week in Midwest, Northeast

    Allergies Live Feed

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps