, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Jul 27

      82° /61°F
      Periods of clouds and sun
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Fri

      Jul 28

      80° /56°
      Partly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Jul 29

      78° /57°
      Partly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Jul 30

      79° /58°
      Pleasant with periods of sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Jul 31

      81° /59°
      Mostly sunny and nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    82°Hi RealFeel® 84° Precipitation 4%
    Periods of clouds and sun
    • Winds from the
    • NNE 10 mph
    • Gusts: 16 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 3%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    61°Lo RealFeel® 61° Precipitation 3%
    Clear
    • Winds from the
    • NNE 5 mph
    • Gusts: 9 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 Jul 27

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 7/27/2016
    High 82° 84° 102° (1916) 83°
    Low 61° 62° 45° (1971) 62°

    Sunrise/Sunset

    • Sunrise: 5:56 AM
    • Sunset: 8:35 PM
    • Duration: 14:39 hr

    Moonrise/Moonset

    • Moonrise: 10:43 AM
    • Moonset: 11:18 PM
    • Duration: 12:35 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps