Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

In what feels like the first real winter we’ve had in years here in New York, an Arctic blast or polar vortex is partially to blame. The polar vortex is ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

In 2021, the polar vortex prompted widespread power outages across Texas, resulting in rolling blackouts and leading to the deaths of 246 people. The effects of the polar vortex are expected to ...

Dangerous temperatures are sweeping the country, with 100 million people from the Plains to the Northeast feeling the chill.

Last week, the polar vortex swept through the eastern U.S., leaving many wondering how to stay warm in the extreme weather.

A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...