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

Sub-zero temperatures are expected across Ireland before the weekend as Met Eireann warns of icy conditions with potential ...

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

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 ...

A winter buzzword, explained.

Since we are deep into Arctic air, the snow will be slowing down, for at least one week. As the somewhat warmer air shifts ...

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

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

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

Massachusetts will continue to see seasonable temperatures through the rest of the week before an arctic front brings snow ...

After mostly thawing out, another Arctic blast is on the way. Temperatures will drop over the weekend with more single-digit ...

Already recognized for its excellence and even adopted for operational weather forecasting, the European Space Agency's Arctic Weather Satellite has now fulfilled its most important role. This small ...