Scientists warn that these shifts are a preview of the future for the whole planet. Experts issue warning about concerning ...

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

Your January to March outlook is here and if you like the weather that we’re ending 2025 with, you’ll like this forecast.

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 ...

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

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

According to a forecast map shared by the agency, the states with the highest probability of seeing below average ...

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days.

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.

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