The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will temps ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will ...

Wisconsin is heading into one of its coldest stretches of the season as a surge of Arctic air arrives late this week.

Temperatures across Indiana are forecast to plunge into some of the coldest in the U.S., dipping well below zero as a surge of Arctic air sweeps in.

Wisconsin is in the midst of another surge of true Arctic air, with wind chills dipping well below zero at times Thursday and ...

"An active winter-like pattern will continue to bring the threat of winter weather to multiple areas of the country through the end of the week and into the weekend." ...

Temperatures across New York are set to plunge tonight, with the coldest air in the nation dropping into the Adirondacks — near -18 degrees.

Snow and bitter cold are in the forecast in Ohio. So when is it too cold to walk the dog? Here's what the experts say.

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems ...

The blast is courtesy of our old wintertime foe the polar vortex, said Weather Trader meteorologist Ryan Maue on X, while the source of the cold comes all the way from such miserably figid spots such ...