Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

DENVER — A blustery Wednesday on the Front Range was just a precursor of a fierce winter weather pattern developing for the next seven days that will include a possible bomb cyclone followed by a ...

Dangerously cold temperatures have been forecast across the Central and Eastern U.S. this week as an arctic air mass spreads across the nation. The winter storm is expected to bring blizzard ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

DENVER — The weather during the week of Thanksgiving will get very interesting, with the remnants of a bomb cyclone and a polar vortex within a seven-day span. The remnants of a bomb cyclone that has ...

Snow is cleared from a walkway at Drake University in Des Moines, Iowa, on Wednesday. (Tannen Maury/UPI/Shutterstock) A massive winter storm is bringing another round of heavy snow to the Midwest, ...

Arctic temperatures are poised to impact the eastern United States after the Polar Vortex was disrupted, causing it to fragment across the Northern Hemisphere. The polar vortex settled near Hudson Bay ...