Forecasters in California are using some of their strongest language to warn that windy conditions may help fires spread this week.

Los Angeles, Ventura counties and Santa Barbara counties face especially high risks of wildfires as tens of thousands of residents face possible power shutoffs — with forecasters announcing a rare weather advisory that's typically issued only once every few years,

The weekend rain won't do much to suppress the elevated-to-critical fire danger taking over Southern California for the first week of November.