A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

Portland was forecasted to be about 6 degrees below normal Sunday and Monday, according to the National Weather Service.

A major winter blast of snow, ice, high winds and plunging temperatures are stirring up dangerous conditions across the U.S.

A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from ...

Jan. 5—The eastern U.S. is on track for a frigid week as a polar vortex stretches south, bringing below-normal temperatures to Maine. Starting Monday, much of the eastern two-thirds of the ...

Over 120 million Americans will face extreme cold, with temperatures potentially reaching minus 40 degrees Celsius.

The Arctic polar vortex has been pushing icy winds throughout ... Vermont, New Hampshire and Maine. However, the map implied that lower-than-average temperatures could still be expected in many ...

The polar vortex of ultra-cold air usually spins around ... a weather service meteorologist based in Gray, Maine. The cold was expected to grip the Eastern Seaboard as far south as Georgia ...