Snow will move into the area from southwest to northeast Sunday Evening. Temperatures will be near freezing Sunday Evening, and as a result snow accumulations will be limited to mainly grassy surfaces. Northeast PA is the area most at risk to see accumulations on roads.

Highest snowfall amounts will be over Northern PA and the Laurel Highlands, with the least in Southeast PA. Areas near and south of route 30 from York, and east to Philadelphia will likely see a rain/snow mix.

Here is the NAM Hi-Res Model with time stamps every 3 hours in the top right. Our snowfall forecast map is below.

SNOWFALL FORECAST MAP

Area A – 2-4″ of snow is expected. Slick travel is possible late Christmas Eve into Christmas Morning.

Area B – 1-2″ of snow is expected.

Area C – A coating to an inch of snow is expected, with rain mixing in Southeast PA.

There could be a larger storm before New Years Eve. Make sure you have us liked on Facebook by clicking here>>>>PA Weather Action on Facebook!

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Last updated on December 23, 2017
Josh has been passionate about weather as long as his memory dates! From watching the Weather Channel at age 7, to making hand-drawn hurricane maps at age 11, starting his first weather site at 13, and founding PWA at 15 and forecasting for the state for the past 9 years, Josh's interest in weather has never dwindled! As difficult as it is, he greatly enjoys forecasting for Pennsylvania due to its countless microclimates. The state is an East Coast severe weather hotspot and nearly always home to the rain/snow line during winter storms!
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