Rain returns Fri night thru Sat night, lingering showers on Sunday

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5am PDT Fri Apr 12. Note the approaching cold front.

5pm PDT Fri Apr 12. Cold front is still approaching the Bay Area.

5pm PDT Sat Apr 13. Cold front has passed, low pressure system is over the Bay Area centered offshore, bringing southwest winds which means warm moist air. This will likely lead to unstable conditions which may result in thunderstorms and hail, particularly for the southern coastal portions of the Bay Area (off the coast of Santa Cruz Co and the Monterey Bay).