More than a foot of snow is expected in parts of Michigan and Wisconsin, forecasters said. Severe weather, with the possibility of tornadoes, will sweep states from Mississippi to the Carolinas.
The head coach of the Patriots, who has parted ways with the team after 24 years, won six Super Bowls with a taciturn approach that rewarded performance over potential.
While conditions will be calmer in the Southeast U.S., more rain is expected in Maine, and more snow in parts of the West. The New York region will face brutal winds.
Parts of Pennsylvania and New Jersey were expected to get as much as two inches of snow per hour, forecasters said. Officials cautioned against unnecessary travel through Sunday.