Hurricane Iona strengthened into a Category 3 storm hundreds of miles southeast of Honolulu late Monday night local time, as Tropical Storm Keli follows on Iona's heels several hundred miles to ...

Violent thunderstorms with hurricane-force wind gusts roared across the northern Plains and upper Midwest overnight, downing trees, knocking out power and causing damage in their wake.

Four tropical waves are in the Atlantic basin, including three in the Caribbean.

A so-far unremarkable Atlantic hurricane season is heading for a 'pivot point,' forecasters warn. Here's what to expect.

A so-far unremarkable Atlantic hurricane season is heading for a 'pivot point,' forecasters warn. Here's what to expect.