Arctic blasts sub-zero freeze towards U.S. upper Midwest, Northeast

Jan 28 (Reuters) - A blast of super-cold arctic air is bringing dangerous sub-zero cold to the U.S. Midwest and Northeast as the system cartwheels through the Dakotas into Chicago, Illinois, and on to New England.

By Tuesday night and into Wednesday morning, Chicago will hit an astounding 20-to-25 below-zero Farhenheit, the National Weather Service said.

"This is dangerous, deadly cold," said Richard Bann, meteorologist with the NWS's Weather Prediction Center in College Park Maryland. "Exposed skin loses heat fast, like you don't even know."

Blizzard conditions are predicted across parts of the western Ohio Valley and snow is expected Tuesday through Wednesday from the Great Lakes area into New England, the weather service said.

"Most of the snow will be in the Dakotas, the Twin Cities and Central Michigan, where they might get a foot or more," Bann said. "Upstate New York, Vermont and New Hampshire will see less than a foot. Boston and cities in the east will get less than an inch."

"But it's going to be cold throughout the east coast," he said. "Even parts of Mississippi and Alabama might see an inch or two of snow before this is over."

But Chicago will take the main brunt of the super-cold weather.

"An entire generation has gone by without experiencing this type of cold in the Chicago area."said Mike Doll, a senior meteorologist at AccuWeather.

Related: Winter storm blasts U.S. Southeast:

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Winter storm blasts U.S. Southeast leaving hundreds of thousands without power
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Winter storm blasts U.S. Southeast leaving hundreds of thousands without power
A snow-covered car is parked outside a home in Greensboro, N.C., Sunday, Dec. 9, 2018. A massive storm brought snow, sleet, and freezing rain across a wide swath of the South on Sunday - causing dangerously icy roads, immobilizing snowfalls and power losses. (AP Photo/Chuck Burton)
A man jogs with his dog down a snow-covered street in Greensboro, N.C., Sunday, Dec. 9, 2018. A massive storm brought snow, sleet, and freezing rain across a wide swath of the South on Sunday - causing dangerously icy roads, immobilizing snowfalls and power losses. (AP Photo/Chuck Burton)
Joslyn Fontanella, 8, takes a break from shoveling a walkway to taste some snow in Greensboro, N.C., Sunday, Dec. 9, 2018. A massive storm brought snow, sleet, and freezing rain across a wide swath of the South on Sunday, causing dangerously icy roads, immobilizing snowfalls and power losses to hundreds of thousands of people.(AP Photo/Chuck Burton)
A driver in a small car follows three snow plows down a major road in Greensboro, N.C., Sunday, Dec. 9, 2018. A massive storm brought snow, sleet, and freezing rain across a wide swath of the South on Sunday - causing dangerously icy roads, immobilizing snowfalls and power losses to hundreds of thousands of people.(AP Photo/Chuck Burton)
Cars move slowly on a snowy Durham, N.C., street after several inches fell on Sunday Dec. 9, 2018. A storm spreading snow, sleet and freezing rain across a wide swath of the South has millions of people in its path, raising the threat of immobilizing snowfalls, icy roads and possible power outages. (AP Photo/Jonathan Drew)
A snow plow moves on a snowy Durham, N.C., street after several inches fell on Sunday Dec. 9, 2018. A storm spreading snow, sleet and freezing rain across a wide swath of the South has millions of people in its path, raising the threat of immobilizing snowfalls, icy roads and possible power outages. (AP Photo/Jonathan Drew)
A Duke Energy crew works to restore power in Raleigh, N.C,. as snow continues to fall Sunday morning, Dec. 9, 2018. A storm spreading snow, sleet and freezing rain across a wide swath of the South has millions of people in its path, raising the threat of immobilizing snowfalls, icy roads and power outages. (Travis Long/The News & Observer via AP)
A couple shovels their driveway in Greensboro, N.C., Sunday, Dec. 9, 2018. A massive storm brought snow, sleet, and freezing rain across a wide swath of the South on Sunday - causing dangerously icy roads, immobilizing snowfalls and power losses to hundreds of thousands of people.(AP Photo/Chuck Burton)
SANTA ANA, CA - DECEMBER 06: A woman jumps over flowing water along East Santa Clara Avenue in Santa Ana as heavy rainfall fell throughout Orange County on Thursday, December 6, 2018. Heavy rain from a winter storm passing through Southern California flooded streets. (Photo by Mark Rightmire/Digital First Media/Orange County Register via Getty Images)
SANTA ANA, CA - DECEMBER 06: A curious onlooker watches a flash flood waters from heavy rainfall rushes through Hart Park in Orange on Thursday, December 6, 2018. Heavy rain from a winter storm passing through Southern California flooded streets. (Photo by Mark Rightmire/Digital First Media/Orange County Register via Getty Images)
COSTA MESA, CA - DECEMBER 06: Joe Suzuki paddles around submerged cars on Pomona Avenue near 17th Street in Costa Mesa, CA, on Thursday, Dec 6, 2018. Heavy rain from a winter storm passing through Southern California flooded streets. (Photo by Jeff Gritchen/Digital First Media/Orange County Register via Getty Images)
GARDEN GROVE, CA - DECEMBER 06: A women rides her bicycle on the sidewalk of Downie Place near Fairview Street in Garden Grove, CA, on Thursday, Dec 6, 2018. Heavy rain from a winter storm passing through Southern California flooded streets. (Photo by Jeff Gritchen/Digital First Media/Orange County Register via Getty Images)
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Frigid temperatures were already affecting parts of northern Minnesota and northern Wisconsin. The mercury dipped to minus 44 degrees Fahrenheit (minus 42 Celsius) in International Falls, Minnesota, on Sunday morning, breaking the previous record by 8 degrees, the NWS said in a tweet.

The agency's Des Moines branch said "dangerous, life-threatening cold air" will impact Iowa from Tuesday morning through Friday morning, with wind chill values on Wednesday likely to range from minus 45 Fahrenheit to minus 55 Fahrenheit across the northern part of the state.

Delta Airlines said it would waive change fees for passengers affected by the winter weather in Chicago, Detroit and areas of the Upper Midwest. (Reporting by Rich McKay, additional reporting by Maria Caspani; editing by Gareth Jones)

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