CHICOPEE, Mass. (WWLP) – Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, ...

We are looking at some active weather today as an arctic air mass and snow moves into western Montana. Gu and Zhu Yi, a ...

Arctic air has moved into western Montana today with gusty winds, 20-30 mph, and bitter cold. Snow showers will remain in the forecast today with a light accum ...

There is definitely a major rearranging of the weather pattern around the northern hemisphere underway. It is going to take a ...

Hopefully this weekend will be our last below zero weather. Even though it will be cold, travel weather this weekend looks ...

Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of sync, and storms stall over the same unlucky regions. At the heart of this ...

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

A winter buzzword, explained.

Frigid temperatures are on the way across Pennsylvania this weekend — possibly some of the coldest weather of the season.

With the recent heavy snowfall and frigid temperatures, school has been canceled on occasion in many local districts this ...

According to the National Weather Service, an Alberta clipper system will move through the region Friday night, bringing a chance of light snow with accumulations expected to be minimal—only a dusting ...