Multiple states in the Great Lakes and Northeast are preparing for consecutive snow squall disturbances this week.

A forecast map suggested the areas most likely to see snow squalls included New York, Pennsylvania, Vermont, New Hampshire, ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, ...

Arctic air will return to Texas over the weekend, bringing below-freezing temperatures, low wind chills and the chance of ...

More than 220 million people across the United States are facing dangerous cold that will also open the door for a ...

An Arctic blast is forecast to bring more frigid weather to Texas over the MLK holiday weekend. Here's how cold it could get by region.

An arctic air mass will channel temperatures 20-30 degrees below already historically cold January averages. The South braced ...

An Arctic air mass, sometimes known as a Siberian Express, is expected to move over Michigan by Sunday and will leave ...