Temperatures will hit the triple digits in parts of the Southland starting Wednesday, Aug. 20, with the Woodland Hills neighborhood of Los Angleses in the San Fernando Valley hitting 109 F on Thursday, Aug. 21. – according to a National Weather Service forecast.

Firefighters and first responders are taking proactive steps as sweltering heat descends on Southern California this week, hoping to have an advantage due to elevated fire danger.

A heat wave is supposed to hit Southern California this week, coupled with gusty winds. LA officials say they're prepared for the increased fire risk. The greatest risk areas are in the San Fernando Valley.