Strong winds and low humidity are increasing the risk of fires this weekend. A wind advisory is in effect until at least 3 p.m. Saturday for the San Fernando and Santa Clarita valleys, as well as the Santa Monica Mountains,

"Santa Ana wind gusts of 25 to 40 mph with isolated gusts to 50 mph will continue through Saturday, strongest in the valley hills and mountain peaks," NWS forecasters said. "Relative humidity will fall into the 5% to 15% percent range ..., with very poor ...

Southern California Edison announced it may shut off power as early as Friday morning in case of hazardous conditions.

Strong gusty winds are expected for hours in the region, and about 74,000 Southern California Edison customers in Riverside and San Bernardino counties have been warned that power could be shut off for public safety.

Gusty Santa Ana winds and warmer temperatures have officials concerned about an increased chance of wildfires erupting in Southern California heading into the weekend. Red flag warnings have been issued for most mountain and valley locations of Los Angeles and Ventura counties from 9 a.

A weather event called the diablo wind is expected to whip up across Northern California and cause humidity levels to drop and raise the risk of wildfires