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

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Fueled by a disturbed polar vortex, 18 states and D.C. have had more snow than average into December. In some areas, snowfall ...

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

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

Another round of bone-chilling air from the Polar Vortex is expected to invade the central and northeastern U.S. this weekend ...

Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and just one of three ever recorded.

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

A polar vortex system is expected to bring two or more cold waves to Florida this week. Temperatures in North Florida could ...