A vegetation blaze near Knoxville sent smoke across Napa County Monday as crews and aircraft rushed to the scene. Officials urged residents to expect smoke and monitor updates.

Cal Fire has suspended outdoor residential burning in Napa and six North Bay counties. Officials urge residents to check permit status and use chipping or green‑waste options.

A 431‑acre fuel‑break on Hogback Ridge is being treated with mulching, pile burns and mechanical thinning to give firefighters safer lines and reduce wildfire risk above Napa Valley.