Southern California is about to get drenched by new storms this week, with a powerful atmospheric river expected to arrive ...

The mountains have a higher chance of rainfall, meaning an elevated chance of significant flooding or debris flows near ...

There will be enough cold air and instability for a 10% to 20% chance of thunderstorms Wednesday night into Thursday evening.

The first storm, said Scott Kleebauer, a meteorologist at the National Oceanic and Atmospheric Administration's weather ...

A rainstorm expected to arrive Wednesday may mark the start of a soggy March. More wet weather is expected next week.

"There's a one-two punch where we'll have periods of light to moderate rain for most of the area on Wednesday and then Thursday will have more moderate rainfall," said National Weather Service ...

There will also be enough cold air and instability that there is a 10% to 20% chance of thunderstorms Wednesday night into Thursday evening, according to Munroe. Rainfall totals are likely to fall ...

The storm expected to hit Southern California on Wednesday could wreak havoc in those same areas devastated by wildfires in January.