A polar vortex will bring a once in a generation cold snap to the US, with temperatures dropping as low as minus 53 degrees Celcius.
55 million people will experience temperatures below zero, and states of emergency have been declared in five states, with Chicago to be colder than Antarctica on Thursday.
President Donald Trump has used the extreme weather event to question climate change, tweeting “what the hell is going on with global warming? Please come back fast, we need you!”