• Clouds and sun 83°
    Ragweed Pollen Current Weather
    • Relative Humidity
      45%
    • Yesterday
      Temp
      80°
    • RealFeel
      88°
  • Today

    Jul 11

    Hi 83°

    A t-storm late this afternoon

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Tomorrow

    Jul 12

    Hi 83°

    T-storms, strong late; humid

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Sunday

    Jul 13

    Hi 84°

    Clouds and sun with a t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
Next

Thunderstorms, some strong, late this afternoon through Monday afternoon; storms can bring downpours, large hail and damaging winds

7/11 7/12 Now: 3:16pm
PM 3-7
  • 3pm Intermittent clouds 83° 12%
  • 4pm Intermittent clouds 82° 16%
  • 5pm Mostly cloudy w/ t-storms 80° 51%
  • 6pm Intermittent clouds 78° 47%
  • 7pm Intermittent clouds 77° 40%
AM 2-7
  • 2am Cloudy 68° 40%
  • 3am Cloudy 68° 34%
  • 4am Cloudy 68° 37%
  • 5am Cloudy 67° 47%
  • 6am Thunderstorms 67° 51%
  • 7am Cloudy 68° 47%
AM 8-1
  • 8am Mostly cloudy 69° 47%
  • 9am Thunderstorms 70° 51%
  • 10am Cloudy 72° 47%
  • 11am Cloudy 74° 48%
  • 12pm Thunderstorms 76° 52%
  • 1pm Cloudy 78° 48%
Hourly Forecast >

Ottawa Pollen Levels - July 11

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Ottawa

Storms Slam Northeast with Rain, Flooding

Jul 11, 2014; 3:50 PM ET Severe storms slammed the Northeast with rain and flooding causing widespread damage. Continued storm activity will bring hail, damaging winds and possible flooding to the area early next week.

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Top Story

Ottawa Weather Report

Stormy Weekend in Store for Chicago

July 11, 2014; 3:01 AM ET

Warm and humid air will be on the rise this weekend with an uptick in storms expected. more >

Allergies Live Feed

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Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps