As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

After a weekend of milder temperatures, a cold snap is expected to hit the Milwaukee area starting Tuesday, Nov. 25.

WBZ-TV chief meteorologist Eric Fisher explains why the door is opening for some potentially significant winter weather.

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...

This weather event may not be constant, but there will be cold waves over multiple days with single-day warmups mixed in.

Millions are set to see temperatures plunge over the Thanksgiving holiday period as the destablizing polar vortex sends ...

A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden stratospheric warming event (SSW) disrupting the stratosphere’s polar vortex ...

The US National Weather Service warns that La Niña, the MJO and a rare Sudden Stratospheric Warming could bring winter-like ...