A major snowstorm pounding parts of the Midwest on Monday will give way to record-smashing cold this week as a powerful Polar Vortex drives a deep freeze across the nation, forecasters say.
The system could envelop a quarter of the continental U.S. in below-zero temperatures.
“Some locations in the Midwest will be below zero continuously for 48-72 hours,” AccuWeather Senior Meteorologist Mike Doll.
Weather.us meteorologist Ryan Maue said a “blend of models” shows that 55 million people in 24% of the continental U.S. land could be at 0-degrees or lower Wednesday morning. In Chicago, wind chills as low as 55 below zero are “likely” midweek, the National Weather Service said.
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