Enjoy the Sunday sun while you can as the start of the work week will bring cool temperatures and possible rain to the Bay Area.
Monday is likely to be mostly dry across the Bay Area, but the chance for rain raises on Tuesday morning.
Isolated thunderstorms are also possible.
By Tuesday evening, the storm will begin to make its way to southern California.
Unseasonably cold temperatures will remain in the Bay throughout the workweek.
A flash flood warning is in place in the Sierra, it will expire on Monday morning.
Temperatures are likely to rise slightly on Wednesday and Thursday, as the chance for rain remains.