Hillsides along Pacific Coast Highway have been covered with plastic in anticipation of heavy rain on Wednesday, Feb. 12, 2025. Officials warn that mudslides and flooding may occur over the next several days in the fire-burn areas. (Photo by David Crane, Los Angeles Daily News/SCNG)

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific storm. Here's what you need to know about this threat.

For the second time this year, Southern Californians are evacuating their homes as heavy rain threatens new destruction in areas still recovering from last month’s devastating wildfires.