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    Next 5 Days
    • Current Weather

      77° F
      Cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 86%
      • Yesterday Temp: 73°
      • RealFeel: 85°
    • Today

      Jul 26

      94° Hi
      Partly sunny and very warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Jul 27

      85° Hi
      A couple of thunderstorms
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Friday

      Jul 28

      86° Hi
      Partly sunny and nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 8AM

      Jul 26

      77°
      Intermittent clouds
      Precip 7%
    • 9AM

      80°
      Partly sunny
      Precip 7%
    • 10AM

      82°
      Partly sunny
      Precip 7%
    • 11AM

      85°
      Partly sunny
      Precip 7%
    • 12PM

      87°
      Partly sunny
      Precip 7%
    • 1PM

      89°
      Partly sunny
      Precip 7%

    Ottawa Pollen Levels Jul 26

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    Rounds of soaking rain will lead to travel and outdoor disruptions into Thursday.
    Storms to raise flood threat in southeastern US

    Allergies Live Feed

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps