The snow has begun falling Sunday afternoon. The highest totals are expected along the I-95 corridor and Philadelphia up into the Lehigh Valley and Poconos.There will be lulls in the action across South Jersey where the snow will mix with rain before turning to all snow later this evening.

The Lehigh Valley is under a winter storm warning Sunday for 4-8 inches of snow. Here’s when it will start and what to expect.

On Sunday at 9:36 a.m. an updated winter storm warning was issued by the National Weather Service valid from 10 a.m. until Monday 1 a.m. for Carbon, Monroe and Northampton counties.