A disruption in the polar vortex centered over the North Pole will allow for areas of bitterly cold air to escape the Arctic region and move into the U.S. Under stable conditions, arctic air usually ...

As if Thanksgiving wasn't chilly enough, the coldest air of the season so far is forecast to spread across the Northeast and beyond this week. As temperatures plunge nationwide, more rounds of snow ...

The brisk cold air we’ve been feeling lately is going to remain with us much of the week as a polar air mass that blew in over the weekend hangs tight over New England. You’ll often hear a lot about ...

A widespread swath of the country, from the northern Rockies to the East Coast, is bracing for a blast of Arctic air that will send temperatures plummeting this week and dropping even further as ...

An Arctic cold front swept through the Coastal Bend on Saturday. The Arctic air didn't start moving in until high pressure strengthened to the northwest intensifying the northerly wind overnight.

A forecast map from the National Weather Service (NWS) Climate Prediction Center warns that much of the central, eastern, and southern U.S. could be hit by another wave frigid Arctic air later this ...

It's all thanks to a weather pattern called the "Siberian Express". As the name implies, the Siberian Express refers to air masses that start in northern Russia and end up in the Lower 48, driving ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, ...

A forecast map from the National Weather Service (NWS) Climate Prediction Center warns that much of the central, eastern, and southern U.S. could be hit by another wave frigid Arctic air later this ...