"A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior," the NWS said.

Firefighters are gaining ground on three major fires in Los Angeles County, where a red flag warning that went into effect earlier this week for parts of the region was extended into Friday. So far in ...

Firefighters are gaining ground on three major fires in Los Angeles County, where a red flag warning that went into effect earlier this week for parts of the region was extended into Friday.