Polar vortex brings chilly temps to Maine. Portland was forecast to be about 6 degrees below normal Monday, according to the National Weather Service. Posted January 5. Updated January 6.

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

In Vermont, New Hampshire and Maine, ... Polar Vortex: Polar vortex expected to hit Rhode Island next week. Here's latest temperature forecast. How to stay safe during polar vortex cold temperatures.

The polar vortex blasts are expected to hit from Jan. 3 to 4, ... In Vermont, New Hampshire and Maine, temperatures could fall below zero. Polar Vortex: ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In coming days, around 80 million people from Montana to Maine and as far ...

The polar vortex is an area of swirling cold air in the Earth's polar regions. During winter, ... In Vermont, New Hampshire and Maine, temperatures could fall below zero.

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...