A winter storm system is making its way to western Pennsylvania and is expected to bring significant snowfall to the region this weekend.

The National Weather Service issued a Winter Storm Watch for parts of the Pittsburgh area along and south of Interstate 70 for Saturday into Sunday "due to a band of heavier snow."

The Winter Storm Watch goes into effect starting Saturday afternoon at 1 p.m. includes southwestern and western Pennsylvania, parts of eastern Ohio, and northern West Virginia. The watch runs through 1 p.m. at Sunday afternoon.

Snow totals could shift north or south depending on the track of the storm, but the National Weather Service said heavy snowfall could potentially exceed 6 inches for some parts of the area.

The National Weather Service said to plan on slippery r

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