The National Weather Service says much of Ventura County could see a half-inch of rainfall. Here's what to expect this weekend.

Southern California’s first major rainfall arrived Saturday night and the wet weather is expected to continue through Monday. Heavier rains and thunderstorms are expected on Sunday afternoon, with the highest rain totals hitting Los Angeles County and the eastern San Gabriel Mountains,

The wet weather will bring relief to Southern California after a prolonged period of dryness, but there’s concern that any bursts of heavy rainfall could cause flooding.

There is a 10% to 20% chance of flash flooding and landslides in some recently burned areas of Los Angeles County, forecasters say, including the Palisades and Eaton fire areas.

A cold system will arrive in the Los Angeles area Saturday afternoon, bringing the possibility of rain through Monday morning, and increasing the potential for mudslides and debris flow.