Honestly? I would postpone the trip. I live in the San Francisco bay area. We've been hit hard, but from what I am seeing, the southern part of the state is getting hit even harder. The storms are not over. I have managed to get my bike out about once a week since this started, and even that is not ideal. Debris in the roadways, local flooding, power outages, huge new potholes, cars negotiating unfamiliar hazards, plenty of wild winds, just not good cycling conditions. We hear every day of a new pothole that is causing cars to lose control or have flats (10 flats in a very short time on a major freeway on Monday). Even areas with ample shoulders are pretty much obscured by debris. Lots of trees have fallen, and huge numbers of small branches and leaves have come down. Road services can't get to much besides the truly critical problems just now. I have lived here my whole life (71 years) & have never seen anything quite like this.
Oh, and another detail: I often use Google maps to decide on a local route - car or bike. It has not been able to keep up with road closures, so even if it shows a road is open, it may be closed.
Current predictions are for a break in the weather beginning the 18th. Maybe you could start then, or a few days after? things will probably stabilize reasonably quickly once we stop having yet another storm rush in and undo all the highway guys' work.
