• Friday

    Feb 19

    40°Lo 19°

    Increasing cloudiness

    Unlikely for a snow day
    • Snow
      1%
    • Ice
      0%
    • Snow
      0 in
    more
  • Saturday

    Feb 20

    45°Lo 26°

    Sunny

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

    Feb 21

    43°Lo 25°

    Sunny

    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.