Free sandbag are available to unincorporated communities.
Expect several days of rainfall in San Diego this week; a series of Pacific storms will hit the county starting on Monday.
According to ABC 10, rain will begin in the early afternoon and continue into the evening during rush hour.
The National Weather Service has warned of flash flooding on San Diego's coast, valleys and mountain areas from noon until midnight. Up to two inches of rainfall is expected.
Then another storm will make its way into the region on Tuesday and last until Thursday.
Travelers are asked to be careful of flooding roadways which are predicted to become more widespread throughout the week.
Due to the recent fires, mud and rockslides are also a danger.
Snowfall above 5,000 feet is expected to be heavy on Monday and Tuesday.
If you live in an area where there is potential for flooding, San Diego County is offering free sandbags to residents in unincorporated communities.
Click HERE to find out more.