Nimbus Arts | 54 followers on LinkedIn. About Us Nimbus Arts is dedicated to nurturing curiosity, fostering creative expression, and building a sense of community. In addition to on-site classes and camps, open studios, and lectures, we offer free public events, community service programs, classes in public and private schools, and collaborative art projects throughout Napa County. WHO WE ARE Nimbus Arts is a community-owned 501(c)(3) non-profit organization founded in 2005 with the mission of giving the Napa Valley Community access to art.