The system ran very close to the edge, leaving no room for error,” Jim Robb, president and CEO of the North American Electric Reliability Corp., told a House subcommittee.

There’s no substitute for preparation in advance of severe weather, including tornadoes, even as we hope for clear, sunny ...

Chaotic weather, from surprising heat in California to the threat of storms rolling into the East Coast, put over half the ...

A severe weather front sweeping across much of the eastern half of the U.S. has dumped heavy snow around the Upper Midwest, ...

Thousands of flights are canceled or delayed one day after powerful storms swept across the eastern half of the country and ...

From a surprising heat wave in California to blizzards burying parts of the Midwest and storms rolling over the East Coast, ...

Hundreds of flights were canceled or delayed Tuesday, one day after powerful storms swept across the eastern half of the country and upended air travel in a cross-section of cities. Travelers have ...

A multiday storm is bringing dangerous conditions to much of the eastern half of the US.

More than 94 million people across the East Coast are under severe weather alerts as potent storms barreled across the eastern U.S.

March roared into the US and the wild weather is lingering into mid-month, ranging from extreme heat to storms and snow.

A powerful late-season storm system is grounding flights and snarling travel across the central U.S.

Snow, tornadoes, record-breaking heat, a dust storm — and that’s just last weekend. Here’s how to understand what’s going on, ...