Another powerful system is expected to sweep across a wide swath of the U.S., bringing heavy rain to Southern California, heavy snow to parts of the West and Midwest, and more snow and freezing rain to the Northeast.

Starting Saturday afternoon scattered showers and storms are set to move into the area with some stronger storms possible Sunday. Another round of stormy weather possible next week.

Snow and ice Saturday afternoon and evening in the Lehigh Valley, Pocono Mountains and northern New Jersey could cause slick driving conditions, the National Weather Service said.

The National Weather Service is predicting up to 3 inches of snow in some parts of central Pennsylvania by Saturday evening.

Northern New Jersey could get 2 to 4 inches of snow before a switch to a wintry mix. Heavy rain is expected Sunday.

Storm Jett is ready to make a cross-country trek, bringing snow to the majority of the Northern Tier after getting started on the West Coast midweek.

S​now and ice will impact millions across the nation's northern tier this weekend as the latest in a string of winter storms tracks across the country. The system has been named Winter Storm Jett by The Weather Channel.

Around 2:30 p.m., some snow was showing up on weather radar in the Garden State, but a dry layer of air in the lower atmosphere was causing the snow to evaporate before reaching the ground. That’s a phenomenon known as virga.