A January rain storm has caused mudslides and flooding in the Malibu area near the Los Angeles County line, shutting down Pacific Coast Highway, a north/south route and one of the main roadways for the celebrity heavy community.

The previously fire ravaged area was vulnerable to the weather, as the rare heavy rains came in on Saturday, intensifying in the evening.  A big mudslide happened near Las Posas Road, trapping several vehicles in the mud, rocks and other debris from the nearby hillsides.

There were reports of several such mudslide incidents in the area, including Encinal Canyon, as well as some heavy flooding in several locations.

Several drivers seeking alternate routes wound up in trouble from the damage. One couple reportedly hit a rock and disabled their vehicle, while another became stuck between mudslide locations.

Officially, PCH was closed from Las Posas Road in Ventura County to Encinal Canyon Road in Malibu. with no injuries reported. It should reopen on Sunday, authorities said.

About an inch of rain was expected to fall in Southern California before clearing Sunday morning.