The long-duration atmospheric river storm is likely to cause a slew of hazards over Christmas week across California, including widespread urban flooding, downed trees, power outages and travel delays ...

Also forecasted are gusty winds for parts of Los Angeles County. See map of evacuation warnings for Los Angeles County.

Forecasters say expected 'worst Christmas storm' is elevating flood risk for a large swath of southwest California.

Mandatory evacuations are in effect for Los Angeles area amid a "very dangerous" storm system that is expected to last four ...

As Southern California braces for the impact of a powerful atmospheric river over the Christmas holiday, one prominent climate blogger is warning of a “very concerning” rainfall forecast based on ...

Heavy rainfall is expected to bring widespread impacts to Southern California starting Tuesday night, with the potential for ...