• Friday

    Dec 5

    46°Lo 36°

    Periods of rain

    Very Unlikely for a snow day
    • Snow
      14%
    • Ice
      1%
    • Snow
      0 in
    more
  • Saturday

    Dec 6

    48°Lo 37°

    A bit of rain in the morning

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

    Dec 7

    48°Lo 42°

    Cloudy with showers

    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.