MAINE (WGME) --It has been a frigid week, all due to the polar vortex.You may have heard our Weather Authority mention the polar vortex several times, especially this week.

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.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions. ... polar vortex from Texas to Maine. Anthony Robledo.

Polar vortex to bring frigid temperatures, ... About 60 million people are expected to experience subzero temperatures across the United States, from Montana to Maine and as far south as Oklahoma.

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.

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.

In Vermont, New Hampshire and Maine, temperatures could fall below zero. This article originally appeared on Cape Cod Times: Polar vortex: Protect your home from cold. Insulation, pipes, thermostat ...

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: ...

By Ben Noll, The Washington Post. 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 ...

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: ...