Warmer temperatures are expected for Christmas and into the early part of 2026 for the South and East. The ongoing flip to ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills between negative 10 to negative 25 degrees will be expected, and the cold ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

Cold temperatures are set to continue on Monday, but New England will feel another icy blast of Arctic air linked once again ...

The United States is expecting another hit by the polar vortex starting this weekend. Here's what's expected in South ...

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an expected polar vortex.

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...

You could be forgiven for not noticing that last month was the planet's third warmest February on record. That’s because local temperatures plunged during the third week of February 2025, shattering ...

This is what a split in the polar vortex looks like! Highlighted by the red boxes, you can see two distinct circulation centers, versus strictly one. This allows for cold air to flood southward into ...