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    • Today

      Apr 27

      50° /31°
      Partly sunny, breezy and cool
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Apr 28

      52° /37°F
      Cloudy with a little rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Sat

      Apr 29

      51° /37°
      Cloudy, breezy and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sun

      Apr 30

      48° /37°
      Breezy and chilly with rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      May 1

      48° /36°
      Cloudy with spotty showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    52°Hi RealFeel® 50° Precipitation 56%
    Cloudy with a little rain
    • NNE 8 mph
    • Gusts: 13 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 4%
    • Precipitation: 0.06 in
    • Rain: 0.06 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    37°Lo RealFeel® 27° Precipitation 19%
    Cloudy
    • N 10 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Waterloo Pollen Levels Apr 28

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/28/2016
    High 52° 66° 89° (1970) 50°
    Low 37° 42° 25° (1950) 43°

    Sunrise/Sunset

    • Sunrise: 6:09 AM
    • Sunset: 8:06 PM
    • Duration: 13:57 hr

    Moonrise/Moonset

    • Moonrise: 8:05 AM
    • Moonset: 10:51 PM
    • Duration: 14:46 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps