Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures warm up?

Going into Tuesday, southern Mississippi is expected to get the most snow with ... Lows are expected to be colder than usual thanks to an Arctic air outbreak from the polar vortex that still won't clear out until later this week. There's still a cold ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.s. on alert as a lobe of the polar vortex invades the nation and ... have plummeted across the Rockies, Plains and Mississippi Valley, and the East Coast is now feeling ...

Frigid temperatures engulfed the South on Monday ahead of a winter storm that’s expected to spread heavy snow and disruptive ice around a region from Texas to north Florida that rarely sees

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and ... have plummeted across the Rockies, Plains and Mississippi Valley, and the East Coast is now feeling ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not seen in years.

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

If someone asked you, “Where can I go in the United States to escape the frigid air this January?” what would you say?

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions that reached all the way to the Gulf Coast this week.

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles. Think of it as a barrier that, when strong, keeps icy polar air trapped up north.

You also notice the end of the forecast indicates the polar vortex may be making another swipe at Michigan in mid-February. At that time of year it can still be a very cold outbreak. However it ...