The National Weather Service's Lake Charles, Louisiana, office issued its first-ever blizzard warning Tuesday. The NWS' ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

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

Erin Davis/Axios Visuals An invasion of frigid air from the Arctic is sweeping south from the Plains and Ohio Valley Sunday, moving towards the Southeast and East. Threat level: The ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...

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