There is a frost advisory that goes into effect early morning on Tuesday for the Mendocino Coast and the Southwestern Mendocino Interior. Temperatures as low as 33 could result in frost formation, harming sensitive outdoor vegetation. There is also a freeze warning in effect for Lake County, as well as the Most of Mendocino county, except for SW Mendocino county. Frost and freezing condition could kill crops and other sensitive vegetation and possibly damage outdoor plumbing.