Pennsylvania is facing another round of snow that could slow traffic across the state.
A winter storm watch is in effect from late Monday night through Tuesday evening for Philadelphia, Delaware and Chester counties. The National Weather Service says there is a potential for 4 to 8 inches of snow.
Elsewhere in the state, forecasters say 4 to 8 inches are possible in Adams and York counties, 2 to 6 inches in Cumberland and Juniata counties, and Lebanon County could see 2 to 4 inches.
The Pittsburgh region is facing 1 to 2 inches.