In the coming days, a new round of rain and snow will hit the mid-Atlantic and Northeast, driven by a low-pressure system forming off the coast of the Carolinas, and more than 135 million people in 35 states will be under cold weather warnings.

Another system brought scattered rain and snow to parts of the East Coast on Saturday.

The heaviest snow will be seen north and west of the Interstate 95 corridor, with winter warnings still in effect for cities including Charleston, West Virginia. Scranton, Pennsylvania; and Hartford, Connecticut. Snow is expected to begin falling in the Washington, D.C.-Baltimore area in the morning, Philadelphia and New York City by lunchtime, and Boston in the afternoon.

Snowfall totals across the region are expected to range from 5 to 8 inches through Sunday, with higher amounts possible in some areas. Snow has already started falling in parts of southern Pennsylvania, including Harrisburg and Annville.

New York Gov. Kathy Hochul directed state agencies to prepare for the storm, which could bring 4 to 6 inches of snow to New York City and 2 to 3 inches of snow to Long Island , bringing up to 10 inches of snow to the mid-Hudson region.

"New Yorkers are no strangers to winter weather, but I encourage everyone to make sure you and your family are prepared for snow and extreme cold, use caution when traveling, and continue to monitor local weather conditions," Hochul said in a statement. Weather Forecast.”

The snow is expected to end Sunday night or early Monday morning as the system moves northeast, affecting states along the I-95 corridor. Total snowfall amounts are possible between 2 and 6 inches.

According to the National Weather Service, cold weather warnings of varying levels will be issued for much of the country over the next few days as "extremely cold Arctic air mass" keeps temperatures 10 to 40 degrees below average.

"Temperatures have plummeted in the Rockies, Plains and Mississippi Valley as the well-known cold front pushes offshore and reaches the East Coast on Sunday," the weather service said in an update Sunday morning. "This will be the first of many so far. The coldest air of the winter, and in many cases the coldest air in years."

Cold weather warnings extend from northern states along the Canadian border to the Gulf of Mexico. The coldest weather will hit the northern Plains and Rockies, where wind chill values ​​will drop to -30 to -55 degrees.

By the end of the week, temperatures will gradually warm up to near-average temperatures, with maximum temperatures expected to be 5 to 15 degrees below average in southern areas next weekend.

Some record lows are also possible this week, including in Kansas City, Missouri; Baton Rouge, Louisiana; Pensacola, Florida; Detroit; Myrtle Beach, South Carolina; and Savannah, Georgia .