2026 has got off to a very snowy start, with heavy snowfall and tumbling temperatures in just a few short weeks ...

Another weekend snow chance and more cold are in the forecasts. But the big difference between last week and this one in the Philadelphia region is a matter of degrees — about 10 of them. A coastal ...

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

A winter buzzword, explained.

WASHINGTON — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later ...

Dangerous life-threatening cold has spread over much of the Northern Plains, Midwest and parts of the Northeast, with another surge of arctic air expected to drop wind chill temperatures close to -40 ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...

With over 170 million Americans facing below-average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in the feel of winter and park ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...