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.

A light dusting of snow began covering the Buffalo Bills' facility on Friday as the team completed its final practice of the week inside Highmark Stadium.

Highmark Stadium, situated in Orchard Park, is under a Lake-Effect Snow Warning for Sunday night’s San Francisco 49ers vs. Buffalo Bills game. Lake-effect snow bands could produce multiple feet of

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

A powerful, sharply defined band of lake-effect snow buried some towns on the Upper Peninsula while other towns, just tens of miles away, saw little to no snow. The Buffalo Bills are slated to face off in Orchard Park amid ongoing,