Powerful Santa Ana winds are set to pick up again, making it challenging for firefighters to gain control of the severe wildfires in southern California. Meanwhile, a winter storm is bringing cold temperatures,

At least 10 people are believed to be dead -- with the LA County sheriff saying he expects that number to rise -- as a series of devastating fires grow uncontained across Southern California amid dry and windy conditions,

Santa Ana winds in Southern California are often-fierce winds that topple power lines and trees and can turn a spark into a raging wildfire.