• Saturday

    Feb 13

    10°Lo -1°

    Mostly cloudy, a snow shower

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

    Feb 14

    17°Lo 12°

    Sun, then clouds; frigid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
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Washington Weather Report

Pittsburgh: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 10:50 PM ET

The coldest air of the winter will plunge across the Pittsburgh area during Valentine's Day weekend. more >

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