Lilliana Santana, 10, center, and Kailee Santana, 11, at right, are bundled up as they walk to school Thursday, Dec. 15, 2016 in Erie, Pa. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said.
(Christopher Millette/Erie Times-News via AP)
Christopher Millette/Erie Times-News via AP
Lobsterman Jack O’Donoghue checks the icy waters of the Harraseeket River as he prepares to have his 30-foot fishing boat, the Mary Elizabeth, hauled out of the water for winter, Thursday, Dec. 15, 2016, in Freeport, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said.
(AP Photo/Robert F. Bukaty)
AP Photo/Robert F. Bukaty
A runner braves jogs along Lake Michigan, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that’s expected to bring several inches of snow in coming days.
(AP Photo/Kiichiro Sato)
AP Photo/Kiichiro Sato
Tiara Medlock, a park keeper with the Minneapolis Parks and Recreation maintenance department, sprays water to form an ice skating rink as temperatures dipped below zero, Thursday, Dec. 15, 2016 in Minneapoilis.
(Anthony Souffle/Star Tribune via AP)
Anthony Souffle/Star Tribune via AP
A school bus navigates snow-covered roads on a 10-degree morning in Buffalo, N.Y., Thursday, Dec. 15, 2016. City schools and businesses were open as usual after several inches of wind-driven snow snarled the evening commute.
(AP Photo/Carolyn Thompson)
AP Photo/Carolyn Thompson
Waves crash along frozen abutments and fencing Thursday, Dec. 15, 2016 on Presque Isle Bay in Erie, Pa. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said.
(Christopher Millette/Erie Times-News via AP)
Christopher Millette/Erie Times-News via AP
Amanda Wreggelsworth, of Portland, Maine, photographs the frigid sunrise as it highlights a bank of clouds over Casco Bay, Thursday, Dec. 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said.
(AP Photo/Robert F. Bukaty)
AP Photo/Robert F. Bukaty
Tabytha Berry, a senior at Altoona Area High School ,adjusts her cap trying to keep the 15 degree temperature from her face, while walking home after school Thursday, Dec. 15, 2016, in Altoona, Pa.
(J.D. Cavrich/Altoona Mirror via AP)
J.D. Cavrich/Altoona Mirror via AP
Lobsterman Jack O’Donoghue checks his bow line while getting his 30-foot fishing boat, Mary Elizabeth, hauled out of the icy Harraseeket River in advance of winter Thursday, Dec. 15, 2016, in Freeport, Maine.
(AP Photo/Robert F. Bukaty)
AP Photo/Robert F. Bukaty
A student waits for his morning bus on a 10-degree morning outside a Buffalo, N.Y., library adorned with the message to “Let it Snow” on Thursday, Dec. 15, 2016. City schools and businesses were open as usual after several inches of wind-driven snow snarled the evening commute.
(AP Photo/Carolyn Thompson)
AP Photo/Carolyn Thompson
Cars and trucks make their way down South Park Ave. in Buffalo, N.Y., on a 10-degree morning, Thursday, Dec. 15, 2016. City schools and businesses were open as usual after several inches of wind-driven snow snarled the evening commute.
(AP Photo/Carolyn Thompson)
AP Photo/Carolyn Thompson
The waning moon sets behind leafless sumac trees on a crisp, clear morning, Thursday, Dec. 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said.
(AP Photo/Robert F. Bukaty)
AP Photo/Robert F. Bukaty
Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that’s expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather.
(AP Photo/Kiichiro Sato)
AP Photo/Kiichiro Sato
Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that’s expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather.
(AP Photo/Kiichiro Sato)
AP Photo/Kiichiro Sato
Morning commuters bundle up, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that’s expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather.
(AP Photo/Kiichiro Sato)
AP Photo/Kiichiro Sato
A lone bicyclist maneuvers on slick roads after a snow storm moved in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.
(AP Photo/Don Ryan)
AP Photo/Don Ryan
Steam rises up on the surface of Lake Michigan at sunrise, Thursday, Dec. 15, 2016, in Chicago. Dangerously cold temperatures gripped the Upper Midwest in advance of a storm that’s expected to bring several inches of snow in coming days, while schools and officials in the Northeast braced for their own blast of wintry weather.
(AP Photo/Kiichiro Sato)
AP Photo/Kiichiro Sato
These two snow covered plastic flamingoes stand near a pond outside of Johnstown, Pa., Wednesday, Dec. 14, 2016. Weather forecasters are calling for an Arctic blast coming to western Pennsylvania on Thursday and lasting through Friday.
(Todd Berkey/The Tribune-Democrat via AP)
Todd Berkey/The Tribune-Democrat via AP
An emergency vehicle fights through heavy traffic as a snow storm moves in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.
(AP Photo/Don Ryan)
AP Photo/Don Ryan
A runner goes for a run in Eagle Creek Park as snow falls Tuesday, Dec. 13, 2016, in Indianapolis.
(AP Photo/Darron Cummings)
AP Photo/Darron Cummings
Bus riders, bundled against the cold, wait for the next ride as a snow storm moves in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.
(AP Photo/Don Ryan)
AP Photo/Don Ryan
People maneuver on slick roads as a snow storm moves in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.
(AP Photo/Don Ryan)
AP Photo/Don Ryan
Traffic along the Interstate 5 and Interstate 84 interchange ramps are jammed after a snow storm moved in on the area in Portland, Ore., Wednesday, Dec. 14, 2016. A wintry afternoon and evening is forecast for much of Oregon, with some cities expected to get a foot of snow.
(AP Photo/Don Ryan)
AP Photo/Don Ryan
Kenneth High, who is homeless, sits outside a business on W. Wisconsin Ave. near N. James Lovell St. on Tuesday, Dec. 13, 2016, in Milwaukee, Wis. A blast of arctic air blew into Wisconsin Tuesday, dropping temperatures to dangerous levels.
(Mike De Sisti /Milwaukee Journal-Sentinel via AP)
Mike De Sisti /Milwaukee Journal-Sentinel via AP
Ken Perry and Stan Ly go for a run in Eagle Creek Park as snow falls Tuesday, Dec. 13, 2016, in Indianapolis.
(AP Photo/Darron Cummings)
AP Photo/Darron Cummings
Bundled up for the cold, UW-Eau Claire freshman Rachel Blessinger, of Oak Creek, Wis., walks on campus in Eau Claire on Tuesday, Dec. 13, 2016.
(Dan Reiland/The Eau Claire Leader-Telegram via AP)
Dan Reiland/The Eau Claire Leader-Telegram via AP
Sam Petty walks Blue on a trail at Hawthorn Park near Terre Haute Ind., Tuesday, Dec. 13, 2016. The two take walks year round with two miles being the usual distance.
(Jim Avelis/The Tribune-Star via AP)
Jim Avelis/The Tribune-Star via AP
Steven Washington, 9, dives faces first into a fresh pile of snow, taking a break from shoveling his grandmother’s driveway after school was called off for a snow day Monday, Dec. 12, 2016, on Flint, Mich.’s north side. “I like to see when the snow falls,” he said. “I love to play in it and make snow angels. It was so cool to get out of school today so I could just be outside around so much snow.”
(Jake May/The Flint Journal-MLive.com via AP)
Jake May/The Flint Journal-MLive.com via AP
Bob Floerke clears snow from his front walkway near West Michigan in Saginaw Township, Mich., on Monday, Dec. 12, 2016. According to the National Weather Service, almost nine inches of snow fell on Saginaw on Sunday through Monday morning. All area schools are closed for the day.
(Jeff Schrier/The Saginaw News via AP)
Jeff Schrier/The Saginaw News via AP
Trees are covered by snow in the Walnut Woods park on Sunday, Dec. 11, 2016, in Prospect Heights, Ill. Snow is expected to continue through late tonight, possibly bringing several more inches.
(AP Photo/Nam Y. Huh)
AP Photo/Nam Y. Huh
A cow walks under a tree on a snow-covered hill, Monday, Dec. 12, 2016, in West Valley, N.Y. Snow, freezing rain and rain made for a messy commute and closed hundreds of schools Monday as a winter storm pushed eastward.
(AP Photo/Julio Cortez)
AP Photo/Julio Cortez
Dave Snell clears snow from the sidewalk in front of his Saginaw, Mich., home on Monday morning, Dec. 12, 2016. According to the National Weather Service, almost nine inches of snow fell on Saginaw on Sunday through Monday morning. All area schools are closed for the day.
(Jeff Schrier/The Saginaw News via AP)
Jeff Schrier/The Saginaw News via AP
A cow walks under a tree on a snow-covered hill, Monday, Dec. 12, 2016, in West Valley, N.Y. Snow, freezing rain and rain made for a messy commute and closed hundreds of schools Monday as a winter storm pushed eastward.
(AP Photo/Julio Cortez)
AP Photo/Julio Cortez
A man shovels the sidewalk in Kalamazoo, Mich., on Sunday, Dec. 11, 2016. Snow from snow showers earlier in the week have blanketed Kalamazoo with inches of snow.
(Chelsea Purgahn/Kalamazoo Gazette-MLive Media Group via AP)
Chelsea Purgahn/Kalamazoo Gazette-MLive Media Group via AP
Christmas ornaments hang on a tree in Kalamazoo, Mich., on Sunday, Dec. 11, 2016. Snow from snow showers earlier in the week and Winter Storm Caly have blanketed Kalamazoo with inches of snow.
(Chelsea Purgahn//Kalamazoo Gazette-MLive Media Group via AP)
Chelsea Purgahn//Kalamazoo Gazette-MLive Media Group via AP
