How to help: Donate now to assist victims of the 2017 hurricane season

           , °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 20

      84° /59°F
      Partly sunny, a heavy t-storm
      • 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
    • Thu

      Sep 21

      88° /67°
      Partly sunny; breezy, humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 22

      90° /67°
      Partly sunny; breezy, humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Sep 23

      90° /65°
      Mostly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sun

      Sep 24

      88° /63°
      Partly sunny and very warm
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More

    Day

    84°Hi RealFeel® 91° Precipitation 55%
    Partly sunny with a shower or heavy thunderstorm in the area
    • Winds from the
    • SW 12 mph
    • Gusts: 17 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 60%
    • Precipitation: 0.3 in
    • Rain: 0.3 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    59°Lo RealFeel® 57° Precipitation 40%
    Mild; a thunderstorm in spots this evening followed by a chance of showers and thunderstorms late
    • Winds from the
    • E 5 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 60%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Waterloo Pollen Levels Sep 20

    • 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 9/20/2016
    High 84° 74° 92° (1908) 86°
    Low 59° 49° 27° (1991) 48°

    Sunrise/Sunset

    • Sunrise: 6:54 AM
    • Sunset: 7:11 PM
    • Duration: 12:17 hr

    Moonrise/Moonset

    • Moonrise: 7:12 AM
    • Moonset: 7:44 PM
    • Duration: 12:32 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps