Getting around could be a challenge for millions of people in the Northeastern U.S. on Tuesday as the region's first winter storm of the season intensifies.

A low-pressure system moving from Pennsylvania to Maine is expected to drop 6 inches of snow or more in multiple states and tie up the Tuesday evening commute, according to the National Weather Service .

Forecasters also say parts of Appalachia — specifically areas along the border between Virginia and West Virginia — will see widespread icing that could create dangerous conditions on roadways and sidewalks.

"Please use caution if you must travel, make sure your emergency supplies at home and in the car are stocked for the winter, and check in on your neighbors — especially older folks — who may need a hand," Maine Gov. Janet Mill

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