The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

Southern Minnesota endured its coldest stretch of weather in three years, with temperatures staying below zero for 96 ...

Residents across parts of the Gulf Coast and South are bracing for a rare winter storm expected to drop heavy snow and create ...

Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...