Map shows freezing temperatures across America

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

Temperatures in the US have plummeted in the "polar vortex". Credit: NBC News

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US temperatures set to plummet to record lows

Parts of America and Canada are experiencing near record-breaking low temperatures from a severe winter storm that has claimed at least 16 lives.