Post-Thanksgiving travel will be treacherous in parts of the Great Lakes region on Sunday due to heavy lake-effect snow, while biting cold temperatures sweep across a large swath of the United States.

Cities near the Great Lakes have seen up to three feet of lake effect snow over the weekend. See how long it will stay in the forecast.

Cities across northern parts of lower Michigan and eastern Upper Michigan, will see lake effect snow through Monday night that will create "hazardous travel conditions", the NWS said. Some cities in the lower Michigan peninsula have already received 2 to 3 feet of snow, according to Oravec.

A video shared from Erie, Pennsylvania, shows the aftermath of a lake-effect snowstorm that buried parts of the city under feet of snow. Pennsylvania Gov. Josh Shapiro signed a disaster declaration and sent additional resources to the region to help with snow removal efforts.

While a lake-effect snow warning is in place for Erie County until Tuesday, the worst weather is likely Saturday, complicating Friday snowfall recovery.

A lake-effect snow warning remains in place for Erie County through Tuesday at 7 a.m., and a lot more snow could fall across Erie County by then.

Post-Thanksgiving travel plans were thrown into trouble as almost 30 inches of snow fell along Lake Erie, closing a stretch of I-90 and stranding motorists.

Lake-effect snow blowing in from the Great Lakes has blanketed parts of Michigan, Ohio, Pennsylvania and New York, stranding hundreds of vehicles on roads and snarling post-Thanksgiving travel plans for millions.

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.