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Flooding in Sonoma County

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The risk of catastrophic floods exists every year and heavy downpours often lead to dangerous flooding conditions. Wildfires add another layer of risk during the rainy season because dangerous landslides and debris flows can rush down fire-scarred hillsides. Knowing how to prepare for a flood as well what to do during a flood can be lifesaving.

View all Alerts, Warnings and Orders »


There are no evacuation orders or warnings in unincorporated areas. If conditions change, there are three ways to see if your evacuation zone is affected.

Please Note: Zones may change slightly from time to time. Please review your zone regularly

1. Use the county’s evacuation and storm conditions map »

View current stream gauge readings, road closures, and evacuations.

2. Use the Zone Lookup Tool

Enter your address into the field provided below to find your zone and evacuation status.

3. View list of affected zones »