• Partly Sunny 78°
    Dust & Dander Current Weather
    • Relative Humidity
      59%
    • Yesterday
      Temp
      74°
    • RealFeel
      82°
  • Today

    May 18

    Hi 82°

    Clouds and sun with a shower

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    May 19

    Hi 86°

    A strong thunderstorm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Monday

    May 20

    Hi 83°

    Some sun, a shower; breezy

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Watch for a severe thunderstorm tomorrow night; storms can bring downpours, large hail, damaging winds and a tornado

5/18 5/19 Now: 12:28pm
PM 12-4
  • 12pm Cloudy 77° 37%
  • 1pm Showers 79° 40%
  • 2pm Mostly Cloudy 80° 34%
  • 3pm Mostly Cloudy w/ Showers 81° 40%
  • 4pm Intermittent Clouds 81° 37%
PM 11-4
  • 11pm Mostly Clear 70° 7%
  • 12am Mostly Clear 69° 7%
  • 1am Mostly Clear 68° 7%
  • 2am Mostly Clear 67° 7%
  • 3am Mostly Clear 65° 7%
  • 4am Mostly Clear 64° 6%
AM 5-10
  • 5am Mostly Clear 64° 5%
  • 6am Mostly Sunny 64° 5%
  • 7am Mostly Sunny 66° 8%
  • 8am Intermittent Clouds 68° 47%
  • 9am Mostly Cloudy w/ T-Storms 68° 51%
  • 10am Intermittent Clouds 72° 47%
Hourly Forecast >

Waterloo Pollen Levels - May 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Allergies Live Feed

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How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps