Temperatures on the East Coast of the US have plummeted, with Chicago hitting lows of -15 this morning. The previous record for the Windy City was -14 in 1988.
NBC affiliate NBC Chicago tweeted a picture of Lake Michigan that appeared to show steam covering the Great Lake.
Chicago resident Jim Lakely posted a city-view picture that appeared to show the city's frozen river:
The anticipated 'polar vortex' is set to blast much of the country, with NBC reporting that "every state except Hawaii" is expected to face freezing temperatures today.
Large parts of the United States are bracing for freezing cold as a polar vortex is expected to drive temperatures to as low as -50C.
In Chicago, residents have been battling the elements as at least 20 centimetres of snow fell on Sunday.
The coldest place in the US after temperatures plummeted in the "polar vortex" is north Minnesota which currently stands at -34 degrees Celsius, according to a map published by NBC News.
Temperatures on the map are in Fahrenheit
As parts of the US are being hit by a polar vortex, which is expected to bring temperatures are low as -50C, residents of a small village in Russia deal with the freezing cold all year round.
The village of Oymyakon in the republic of Yakutia is the coldest place to live on Earth with the average temperature in the regions around -20C.
In 1933, a temperature of -67.8C was registered in the village - the lowest temperature ever recorded in the northern hemisphere.
It was also is the lowest temperature ever recorded for any permanently inhabited location on Earth.
Despite the harsh climate, approximately 5000 people live in the village, which has schools, a post office, bank, and even an airport runway (albeit open only in the summer).
Queen Mary 2 spent part of the weekend delayed in New York because of two feet of snow that fell in the United States.
She is now on her way say Cunard.
The liner is now racing home to Southampton for her tenth birthday celebrations on Friday where there be a big fireworks display.
Fans of the NFL's Green Bay Packers braved the lowest temperatures in two decades to watch their team play against the San Francisco 49ers on Sunday.
Packers fans were urged to wear multiple layers and hot drinks were handed out during the game.
The National Weather Service is forecasting extremely low temperatures in many parts of the US overnight:
- -34 C in Minneapolis, Minnesota
- -24 C in Chicago, Illinois and Indianapolis, Indiana
- -31 C in Fargo, North Dakota
The lowest temperature reported in the lower 48 states on Sunday was -40 C in the towns of Babbitt and Embarrass in Minnesota.
Air passengers in the US face another day of disruption due to the extreme cold weather.
More than 7,300 flights were delayed and 3,514 were cancelled on Sunday, according to the aviation tracking website Flightaware.com.
The website's live 'Misery Map' showed the highest numbers of cancellations and delays from Denver International Airport in Colorado and Chicago O'Hare International Airport in Illinois.