Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...

As the frigid air clashes with a warmer, moist flow of air from the Gulf of Mexico, a storm will form in the Plains on Tuesday and track to the East Coast by Thursday. There have been several polar ...

Not only in the Gulf coast region, but across much of the United States. This shift is due to yet another dip in the polar vortex, which is ushering in much colder air this week. But what exactly ...

The polar vortex is coming back ... which will track from the Intermountain West on Friday to the East Coast on Sunday. The storm will bring accumulating snow or ice to around a dozen states ...

The polar vortex has taken on an unexpected pattern ... High pressure, like a stop sign in the atmosphere, was commonly anchored west of North America and over Alaska. At the same time, a separate ...

While polar vortex outbreaks are not uncommon ... The dangerously cold air reached the Gulf Coast and South Texas, where wake-up temperatures on Thursday were in the 20s. The FOX Forecast Center ...

The latest in a repeated pattern of winter storms is taking direct aim at the East Coast where heavy snow and some ice is ...

BISMARCK, North Dakota — More than 95 million people in the United States were facing numbing cold on Tuesday as a polar ...