Polar vortex leaves more than 30 states on alert for dangerously cold weather
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
Arctic blast brings plummeting temperatures as millions brace for dangerous cold
Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...
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.