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.

Warnings for heavy snow continue until 7 p.m. Tuesday along the shores of Lake Erie.

The storm dumped several feet of snow and disrupted post-Thanksgiving travel in the Great Lakes states and New York. More snow is expected in the coming days.

Pounding snow and bitter cold continued their assault on parts of the U.S. Copenhagen, N.Y., 80 miles north of Syracuse, reported 58.8 inches of snow.

After U.S. travelers battled through harsh weekend weather to reach home following the Thanksgiving holiday, forecasters say residents of the Great Lakes region face the prospect of more snow through

As biting cold temperatures sweep across a large swath of the US, parts of the Great Lakes face more than a foot of additional lake-effect snow through Tuesday – the latest complication for cities already blanketed by snowfall amid post-Thanksgiving travel.

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.