Explore the science of polar vortexes, how trees survive freezing temperatures, and snowflake formation as the Adirondacks ...

On the roads, state officials in the northern Plains and Upper Midwest are warning of slick highways, sudden drops in visibility and rapidly worsening conditions as temperatures fall below freezing ...

Meteorologists are predicting cold weather across the US after Thanksgiving. Here's what to expect in the Wilmington area.

Holiday travelers in the United States avoiding widespread disruptive weather ahead of Thanksgiving might not be so fortunate during their post-holiday journeys.

A growing body of research indicates that polar vortexes are likely becoming more frequent due to the climate crisis.

Forecasters are tracking new polar vortex changes that could reshape early December across the U.S. How will this affect ...

A weakening of the polar vortex and storms could cause travel hiccups around the country. Here's what to expect in New ...

As the UK goes through a cold snap this week - forecasters have suggested that more Arctic air could be brought to Britain ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

A blast of polar vortex cold air is expected to hit parts of the country around Thanksgiving. What to expect in Tennessee.

After a 10-day cold snap in the Berkshires, more seasonable temperatures return, even topping 50 by next Wednesday, with no ...