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 much of the US experiences a dangerous and severe cold spell, does the UK have anything to worry about?
As the US battles sub-zero temperatures, ITV News Washington correspondent Robert Moore illustrates just how cold it is in Minnesota.
Leaders across America are urging residents to stay in their homes as "polar vortex" batters the east coast after snowstorm Hercules.