(via By the numbers: Polar vortex cold snap sets records, kills at least 9 - Axios)
The coldest location in the U.S. on Thursday was Cotton, Minn., where the temperature reached minus 56°F. The coldest location in the U.S. on Wednesday was Norris Camp, Minn., where it was minus 48°F, with a wind chill of minus 65°F.












