The extreme cold that spreads throughout the country this week ranges from the Gulf Coast to Maine, covering even parts of the south with snow on Tuesday.
Approximately 250 million people – or 77% of the continental US population – Temperatures below this week are below freezing. Of these, 90 million will experience temperatures below zero degrees, and 25 million Americans could drop temperatures to 20 degrees below zero, according to weather meteorologist Ryan Maue of weathermodels.com.
The coldest air for more than two decades will blow through the central and northern parts of the country. In the northern lowlands and the Great Lakes, the wind will be 30 to 60 degrees below zero, said CNN meteorologist Dave Hennen. [1
The National Weather Service warns that snow and frozen roads throughout the east and south of the US can make the roads too dangerous to drive on.
The extreme weather has meant that schools across the country have been closed for at least part of the week. According to Flightaware.com, more than 3,480 US flights were canceled by Wednesday.
Cold weather leaves at least two dead
At least two deaths have been attributed to the current cold pattern.
A man in Rochester, Minnesota, was found outside the house on Sunday while living with a relative.
Libertyville, Illinois police said a man was killed on Monday morning due to the weather.
"The man died after a traffic accident involving a village plow car and a pedestrian," the police said. The man was declared dead on the scene and the plow driver was placed on paid administrative leave until the results of an investigation are available, police said.
Chicago "Epicenter of Extreme Cold"
The Illinois government JB Pritzker warned of a "potentially historic winter storm that will make our state extremely cold". The state has activated an emergency preparedness plan to help local authorities and residents prepare for the brutal temperatures, Pritzker said.
Chicago is one of the cities "in the epicenter of extreme cold," said Hens.
The River Winding Downtown Chicago is already frozen over. In the city, it could be noon from Tuesday to noon until Friday at noon, said hens.
It is expected that lows in the Windy City will reach a record 27 below zero. Wednesday's high could reach 15.
The five policemen grabbed each other's belt and pulled the 33-year-old man out of the water, WLS reported. His dog was also saved, reported the news channel.
"We did not talk about it, we just did it," said Chicago Police Department Sgt. Alex Silva said at a press conference on Monday, according to WLS.
States in Emergency
Several states have declared a state of emergency in response to the extreme cold, including Michigan, where Governor Gretchen Whitmer warned residents to limit their time outside and become aware of the signs its from frostbite and hypothermia.
"It is our priority to keep Michiganders safe during this period of dangerously cold temperatures," Whitmer said in a news release on Monday. "Such widespread, extreme conditions have not occurred in Michigan for many years, and it's imperative necessary for us to be active when the National Weather Service predicts that temperatures will be low. "
Gov. Tony Evers also declared state of emergency in Wisconsin, where several school districts, including the Milwaukee Public Schools, closed on Tuesday
"I want to make sure that all state resources are available, including the Wisconsin National Guard, if needed, communities across the state and keeping people warm and safe," Evers said on Twitter.
In Alabama warned Governor Kay Ivey to prepare residents for rain, snow, and sub-zero temperatures.  "The winter storm has the potential to affect much of our state," Ivey said Monday in a press release. "Travel conditions could be negatively affected on Tuesday and Wednesday mornings, so please avoid traveling if possible and be careful if you have to take to the streets."
And the Super Bowl?
The city began on Monday some routes and bridges with a saline solution pretreat to freezing to prevent it, said Kim Rankin, Director of the Department of Public Works in Atlanta. The crews were expected to start salt treatment on Monday and until the end of the weather event.
Mayor Keisha Lance Bottoms said she will be in contact with NFL officials and work with them on planned events throughout the city as winter weather changes
Temperatures are expected to be ahead Sunday's kick-off at the Mercedes-Benz Stadium and everything will melt, leaving plenty of time for the big game on the streets.
Amanda Jackson and Marlena Baldacci of CNN have contributed to this report.