Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest.

(CNN) — Record cold temperatures have pushed as far south as Florida this morning as wind-whipped snow continues to pile up in the eastern Great Lakes from a brief bout of Arctic air gripping the ...

(CNN) — Hurricane Erin is churning up life-threatening rip currents and dangerous surf along much of the US East Coast and will soon send destructive waves and storm surge to North Carolina’s Outer ...

• Strongest storm this year: Melissa underwent extreme rapid intensification, strengthening to a rare Category 5 with winds of 175 mph and stronger gusts, making it the strongest storm on the planet ...

• Scores missing: At least 150 people are known to be missing in Kerr County as a result of the flooding in Central Texas, according to officials. At least a dozen others are missing in other parts of ...

• Rising death toll: At least 24 people are dead after torrential rain triggered flash flooding in parts of central Texas early Friday, according to officials. • Campers unaccounted for: More than 20 ...

• A busy travel day: This year’s Thanksgiving travel period is expected to be the busiest in 15 years, according to the Federal Aviation Administration. About 73 million are projected to hit the road, ...

On the night the deadly floodwaters raged down the Guadalupe River in Texas, the National Weather Service forecast office in Austin/San Antonio was missing a key leader of its team: the warning ...