• Friday

    May 8

    28°Lo 18°

    A thunderstorm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      39°
    • UV
      11 - Extreme
    • Cloud
      Cover
      49%
    more
  • Saturday

    May 9

    27°Lo 19°

    A thunderstorm in spots

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      37°
    • UV
      11 - Extreme
    • Cloud
      Cover
      60%
    more
  • Sunday

    May 10

    27°Lo 19°

    A thunderstorm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      37°
    • UV
      11 - Extreme
    • Cloud
      Cover
      46%
    more
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Union Weather Report

Volcanic Eruptions and Air Travel: What Happens When a Plane Flies Through an Ash Plume?

May 5, 2015; 7:34 PM ET

The 1,500 active volcanoes worldwide are creating a minefield for pilots who have to be on watch for volcanic ash clouds capable of causing major damage. more >

Union Weekend Weather Chat