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 will bring a cold front with frigid temperatures to nearly 300 million Americans.
LA fires live updates: Mayor names chief recovery officer, plans outside probe
At least 27 people are believed to be dead and more than a dozen others remain unaccounted for as multiple wildfires rage ...