A major snow storm is bearing down on the Philadelphia region Sunday, with blizzard warnings in effect for coastal New Jersey and southern Delaware. Philadelphia and surrounding areas could see 8-12 inches of snow, while coastal regions brace for up to 18 inches.

The National Weather Service issued blizzard warnings for nearly all of New Jersey and southern Delaware, where heavy snow combined with strong winds will create dangerous whiteout conditions. Winter storm warnings cover Philadelphia and all surrounding counties, effective Sunday morning through Monday evening.

The storm timeline shows rain transitioning to snow between 1 and 3 p.m. Sunday, with the heaviest accumulation overnight. Philadelphia can expect 6-12 inches, while southern Delaware and coastal New Jersey face 12-18 inches. The storm should clear by Monday afternoon, but dangerous travel conditions will persist throughout the event.