• Friday

    Jul 29

    83°Lo 66°

    Clouds and sun with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Saturday

    Jul 30

    87°Lo 66°

    Thundershower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sunday

    Jul 31

    94°Lo 68°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous

Ottawa Weather Report

By the numbers: Recapping the week's stifling central US heat

July 24, 2016; 8:33 AM ET

Stifling heat has been baking the central United States but will finally ease across northern areas this weekend. more >

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