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.
Cold front triggers storms in Houston. Here's when rain will move out and temps tumble
Morning commuters should leave plenty of time to get to work or school Wednesday as downpours and storms move through. The good news is Houston won’t be dealing with storm chances all day. Then ...