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    • Tonight

      Mar 27

      37° Lo F
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Tue

      Mar 28

      53° /36°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Mar 29

      46° /33°
      Cooler with rain at times
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Mar 30

      44° /31°
      Cloudy, a little rain; breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Fri

      Mar 31

      50° /31°
      Some sun, then clouds; warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    51°Hi RealFeel® 52° Precipitation 12%
    Mostly cloudy
    • N 7 mph
    • Gusts: 13 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    37°Lo RealFeel® 36° Precipitation 2%
    Mostly cloudy
    • N 6 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Mar 27

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/27/2016
    High 51° 51° 86° (1907) 45°
    Low 37° 30° -5° (1964) 32°

    Sunrise/Sunset

    • Sunrise: 7:01 AM
    • Sunset: 7:29 PM
    • Duration: 12:28 hr

    Moonrise/Moonset

    • Moonrise: 6:58 AM
    • Moonset: 7:12 PM
    • Duration: 12:14 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps