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    Next 5 Days
    • Current Weather

      54° F
      Cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 81%
      • Yesterday Temp: 50°
      • RealFeel: 48°
    • Today

      Apr 30

      56° Hi
      Breezy with rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      May 1

      63° Hi
      Rather cloudy and windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tuesday

      May 2

      68° Hi
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    Next 6 Hours
    • 2PM

      Apr 30

      56°
      Cloudy
      Precip 34%
    • 3PM

      55°
      Cloudy
      Precip 34%
    • 4PM

      55°
      Cloudy
      Precip 40%
    • 5PM

      54°
      Rain
      Precip 56%
    • 6PM

      53°
      Rain
      Precip 56%
    • 7PM

      51°
      Cloudy
      Precip 49%

    Ottawa Pollen Levels Apr 30

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Following urban and small stream flooding, river flooding is likely to develop.
    River flooding to follow torrential rain in central US

    Allergies Live Feed

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps