Nearly a century ago, L.A. County suffered the deadliest dam failure in U.S. history. Design flaws caused the St. Francis Dam to collapse in 1928, killing at least 431 people from a flood that swept ...

Booming thunderstorms, lightning strikes, bursts of heavy rain and even pea-sized hail hit parts of Southern California on Tuesday afternoon, prompting flash flood warnings around the region and ...

The strongest wave of a powerful winter storm reached Southern California overnight, bringing flash flood warnings, dropping snow levels and a possible tornado.

Heavy rain and some flooding sweeps through Southern California At least some debris flow is ongoing in the Malibu area, with portions of the Pacific Coast Highway closed.

Parts of Pacific Coast Highway remained closed due to heavy flooding and mudslides in Southern California, according to state officials.

An atmospheric river was pummeling Southern California with heavy rain on Thursday, prompting evacuations and school closures as heavy mudslides and flooding hit areas charred by the wildfires ...

Snow, wind and the heaviest rain event of the season is expected this week in portions of Southern California prompting a flood watch warning.

Beneficial rain moved into Southern California over the weekend for wildfire areas, however, the rain brought a new threat of flash flooding. Flood alerts are in place through Monday and more rain ...

The National Weather Service said there is a 15-25% chance of thunderstorms across the region, which could bring periods of heavy rainfall that could overwhelm the burn-scar areas.

Rain was falling across Southern California on Sunday, bringing some relief to thousands of firefighters battling multiple major blazes for nearly a month in the Los Angeles area, but also prompting ...

Maps of the Southern California wildfires show their size, danger and location.