Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...

Obviously this isn't the first polar vortex episode of the winter, but it looks to be the most severe." FILE - A person walks along the shore of ice covered Lake Michigan, Feb. 13, 2025, in Chicago.

Posted: June 10, 2025 | Last updated: June 10, 2025 In this video, we explore the chilling effects of the polar vortex and what it could mean for Earth in the next decade.

The Northern Hemisphere's polar vortex regularly expands over winter, sending a blast of cold air south with the jet stream, ...

Charlottesville and much of central Virginia were under an extreme heat warning Tuesday, with temperatures predicted to stay ...

A new study says climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the ...

AccuWeather Lead Long Range Forecaster and Senior Meteorologist Paul Pastelok said the average temperature in June is 64.6 ...

A bill introduced in the House of Representatives on Friday would make it harder to fire most employees of the National Weather Service and give the agency’s director the authority to hire new ...

Because Michigan is not a hot climate - and we don’t have frequent heat waves like we’re experiencing now - our bodies are ...

Federal authorities say they will discontinue some weather data — but they are delaying the original plan to do so by one ...

It’s not the first instance of unusually high temperatures in what many consider the nation’s coldest state, but the National Weather Service only recently allowed for heat advisories to be ...