A high-impact winter storm packing heavy snow and rain has moved into the Northeast, leading to last-minute travel troubles as millions of people across the U.S. gather with family and friends on Thanksgiving to celebrate the holiday.

More than 4 million people across five states were under winter storm alerts on Sunday as heavy lake-effect snow continued to bury the Great Lakes region, prompting emergency declarations and the deployment of National Guard troops to rescue stranded motorists.

CBS New York meteorologist John Elliott said "very intense snow" will hit communities along the Great Lakes, Plans and Midwest regions as upwards of 6 feet of snow is forecast.

A lake-effect storm continued to blanket parts of the Great Lakes region with snow on Saturday, closing highways on one of the biggest travel weekends of the year and prompting Gov. Kathy Hochul of New York to declare a state of emergency on Friday in 11 counties.

Lake-effect snow blanketed swaths of the U.S. as Thanksgiving travelers journeyed home this holiday weekend, with more snow expected to fall over the Great Lakes region through the week. While

Lake-effect snow continues to bury many areas in the Great Lakes and create hazardous travel conditions. Here’s what you can expect to start the week.