The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic cold.

Hazardous and potentially life-threatening winter conditions are likely through the end of the week, according to the NWS.

Some portions of the United States could see as much as 6 inches of snow by Tuesday, Dec. 2, according to weather forecasters.

The National Weather Service says most of Texas has less than a 10% chance of a white Christmas, with the Panhandle being the main exception.

In addition to Hyder, Skagway, Haines Borough, and Klukwan are expecting 12 to 18 inches of snow and winds up to 50 mph. Wind ...

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

A polar vortex may be headed our way later this month. The phenomenon is a low-pressure buildup of cold air that swirls around the polar regions of the Earth. As it expands in the winter, it can send ...

Weather Channel meteorologist Jim Cantore had some rousing advice Friday for students at an Alabama university. But Ken ...

Winter weather advisories in various parts of the US were upgraded by National Weather Service (NWS) meteorologists to a more severe winter storm warning.

According to the National Weather Service, prolonged exposure to extreme cold can quickly lead to frostbite or hypothermia.

Temperatures are dropping across the northern United States this week. Pennsylvania and the rest of the Northeast are headed into a period of unusually cold weather, thanks to the polar vortex.

Video. Severe winter weather across the United States has disrupted air and road travel, causing delays that also affect ...