Rain has finally largely come to an end in the Pacific Northwest, but the region can’t breathe easy: Additional atmospheric river activity will arrive next week.

Authorities are going door-to-door in South Prairie, Washington, in Pierce County, urging residents to leave their homes immediately as water rises there. The Pierce County Sheriff’s Office previously ...

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.

CNN - Mother nature is wrecking havoc for many Americans returning home from the Thanksgiving holiday. More than 50 million people are under winter weather alerts as a storm is making its way across ...

The surging tide of microplastics is already an environmental and health threat, but as the world heats up — driving increasingly extreme weather — it’s transforming them into “more mobile, persistent ...

• 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, ...

Thanksgiving is a week away and more than 80 million Americans are planning to travel at least 50 miles from home. But the weather has the potential to disrupt their visits with family and friends.

(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

On the frontlines in Ukraine, changing weather has brought treacherous conditions – but also opportunities – for both sides. Although swathes of fog are limiting the use of drones by both the Russians ...

(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) — Jamaica and other parts of the Caribbean are staring down what could become a catastrophic, days-long assault of extreme rainfall and damaging winds with a strengthening Tropical Storm Melissa ...

A mysterious object that cracked a windshield on a United Airlines flight, injuring a pilot and forcing an emergency landing, may have been a weather balloon. WindBorne, a California start-up focused ...