Rain, mountain snow and dangerous high surf will come to the Los Angeles area overnight on Sunday as a series of Pacific storms bear down on the region.

The National Weather Service office in Oxnard said the first storm is expected to move across the area Sunday night into Monday, bringing under an inch of rain and mountain snow above 5,500 feet.

A stronger storm is forecast for the area on Tuesday, when there will be heavy rain, possible flash flooding and 1 to 2 feet of snow in some mountain locations.

“Additional storms will likely impact the region between Wednesday and Friday,” the weather service said. “These appear to be colder systems with snow levels potentially falling to around 4,000 feet at times possibly impacting Interstate 5 near the Grapevine.

“There will also be the potential for brief heavy downpours and isolated thunderstorms later in the week. Periods of gusty winds…will bring the potential for downed trees and power outages.”

The storms will cause dangerous high surf, with an advisory in effect from 4 a.m. Monday to 10 p.m. Thursday.

The forecast for central Los Angeles from Malibu to Long Beach on Sunday calls for mostly cloudy conditions with highs in the lower to mid 60s. Temperatures will drop to the upper 40s to mid 50s overnight as the chance of rain rises to 70 percent.

Highs in coastal Orange County will be in the low 60s, with lows overnight dropping to 46 to 51 as the rain begins.

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