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National Weather Service map predicts exact date when temperature will hit -60F
A harrowing map from the National Weather Service revealed the exact date and time temperatures could plummet to -60 degrees ...
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.