A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

Email: [email protected]. Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

As we prepare for a very busy weather week, what comes next? We told you earlier in the month the polar vortex was going to ...

Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below normal for mid-to-late January. Parts of Utah are on the "very western ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...