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Cold Front Flips Rain to Light Snow as Temperatures Plunge Across the Mid-Atlantic and Pennsylvania

An arctic front late Monday may usher in the week’s coldest conditions with potentially sub-zero wind chills.

Overview

  • Winds behind the front are blowing 15–25 mph with gusts up to about 35 mph, driving wind chills into the teens by day and single digits by night.
  • Most locations are seeing an inch of snow or less from the rain-to-snow transition, with localized lake-effect enhancement pushing totals toward three inches in the I-80 corridor and Laurel Highlands.
  • A Winter Weather Advisory is in effect for the Laurel Highlands due to snow and travel concerns, and untreated surfaces may turn icy for the morning commute.
  • Shortwave systems will bring occasional flurries over the weekend, and forecasters note a possible coastal low on Sunday with track and impacts still uncertain.
  • Colder air deepens early next week as an arctic front arrives late Monday, with Tuesday likely the coldest day and sub-zero wind chills possible.