Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather ...

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen ...

Most of Maryland is under a cold weather advisory through Thursday as temperatures plummet into the single digits in the ...

Several Gulf states experienced a major snowstorm this week. Changes in global climate patterns can be connected to weird ...

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall ...

Wednesday will be another day of frigid temperatures, with a low of 2 degrees, as cold air from the polar vortex has moved ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

∎ Tuesday night: A 20% chance of snow showers before 9 p.m. Cloudy during the early evening, then gradual clearing, with a ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...