• Friday

    May 15

    70°Lo 59°

    A thunderstorm possible

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Saturday

    May 16

    83°Lo 60°

    Mostly sunny and warmer

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sunday

    May 17

    85°Lo 61°

    Warm with sun and clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.