Chelse Volgyes clears snow from her car in Erie, Pa., Wednesday, Dec. 27, 2017. Freezing temperatures and below-zero wind chills socked much of the northern United States on Wednesday, and the snow-hardened city of Erie, dug out from a record snowfall. (Jack Hanrahan/Erie Times-News via AP)
David Joles/Star Tribune via AP
Kelly Richards, left, and Lisa Rippe, jog around Lake Harriet in the sub-zero temps Wednesday, Dec. 27, 2017, in Minneapolis. Richards, originally from the Twin Cities but who now lives in Texas and was visiting for the holidays, remarked to nearby walkers that the weather was great.
Peter Pereira/Standard Times via AP
With temperatures in the single digits, Ray Levesque, mate of the crab/lobster boat Bradbill, makes his way across the deck covered in ice to tie off, after arriving in New Bedford, Mass., harbor on Thursday, Dec. 28, 2017, from a one day fishing voyage. Temperatures across Massachusetts are not expected to rise above freezing for days.
Soledda Hernandez stands on the roof of her car as she brushes off snow in Erie, Pa., Wednesday, Dec. 27, 2017. Snow continues to fall in Erie and surrounding areas that already have seen a record amount of snow over the past few days, prompting a disaster emergency declaration. (Greg Wohlford/Erie Times-News via AP)