Map shows how much snow the Pittsburgh area could get this weekend with winter storm warning issued

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 warning 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 warning that goes into effect Saturday at 1 p.m. includes southwestern and western Pennsylvania, parts of eastern Ohio, and northern West Virginia. The watch runs through 1 p.m. Sunday.

Meanwhile, the rest of the area is under a winter weather advisory.

Watches and warnings for Dec. 13 and Dec. 14 (Photo: KDKA Weather Center)

Snow totals could shift north or south depending on the track of the storm, but the National Weather Service said heavy sno