The San Diego National Weather Service has issued a Red Flag Warning from 6:00am on Sunday November 11, until 5:00pm on Tuesday, November 13. The Red Flag Warning has been issued due to strong gusty winds and low humidity and is in effect for the San Diego Mountains and inland valleys. Winds will be 20 to 30 mph with gusts to 50 mph and local gusts to 70 mph. Humidity will be falling to around 5% Sunday through Tuesday. More forecast information and updates are available from National Weather Service.