Such events distort the polar vortex, which causes Arctic air to descend into the U.S. and causes temperatures to plummet.

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...

The blast of frigid temperatures follows days of snowy, icy conditions across much of the country. It's bringing the coldest ...

Watch out for freezing drizzle causing icy spots across Mass. this morning. Minor coastal flooding is also a risk. Bundle up ...

Forecasters are tracking two storm systems that could bring precipitation to New Jersey in the second half of next week.

Vacancies remain in National Weather Service offices across the country, including in some of the coldest, snowiest parts of ...

A winter weather advisory will take effect overnight for the Chicago area overnight. Here's what you can expect.

The brutal cold will continue with temperatures Monday night as much as 20 degrees below normal, forecasters say.

No rest for the winter weary after the first significant snow of the season fell in Massachusetts on Tuesday. The weather ...

The Met Office issued a yellow weather warning, external for south west England and south Wales earlier, which will be in ...