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    Next 5 Days
    • Current Weather

      61° F
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 63%
      • Yesterday Temp: 55°
      • RealFeel: 63°
    • Tonight

      May 24

      47° Lo
      Partly cloudy and cool
      • Ragweed Pollen
      • Weather
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      } Day Details
    • Tomorrow

      May 25

      78° Hi
      Pleasant and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      } Day Details
    • Friday

      May 26

      82° Hi
      A couple of p.m. t-storms
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      } Day Details
    Next 6 Hours
    • 9PM

      May 24

      60°
      Partly cloudy
      Precip 0%
    • 10PM

      57°
      Partly cloudy
      Precip 0%
    • 11PM

      53°
      Partly cloudy
      Precip 0%
    • 12AM

      51°
      Partly cloudy
      Precip 0%
    • 1AM

      51°
      Partly cloudy
      Precip 0%
    • 2AM

      51°
      Clear
      Precip 0%

    Ottawa Pollen Levels May 24

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      High

     The central and eastern U.S. will be at greatest risk for showers and thunderstorms to alter outdoor activities.
    Memorial Day weekend: Where will rain dampen festivities

    Allergies Live Feed

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps