These conditions are all thanks to a familiar sounding occurrence: the polar vortex, a large area of low pressure ... they ...

Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United ...

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...

These conditions are all thanks to a familiar sounding occurrence: the polar vortex ... The Eagles and Los Angeles Rams could play in some snow in Philadelphia on Sunday, early forecasts show.