Several Sonoma County school districts are cancelling classes today due to flooding from yesterday’s storm. The Sonoma County Office of Education says the Bennett Valley Union School District is closing its K-6 campuses today. Preschools will remain open. Also closing campuses today are the Guerneville School District, the Forestville Union School District, Montgomery Elementary School District, Sebastopol Union School District, Harmony Union School District, Twin Hills Union School District, and Reach Charter School.