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

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

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...

A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a ...

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