August 28, 2017 5:35 am AM Forecast: Excessive Heat Warnings Excessive heat warnings are in effect across Southern California with triple-digit heat in this week’s forecast. David Biggar has the forecast for Monday Aug. 28, 2017. US & World Videos 18:12 Police begin to clear protesters from USC campus 3:18 USC's commencement preparation includes increased security patrol 1:56 1 person killed after car crashes into South LA church 3:30 Protest on USC campus continues ahead of graduation 0:43 LA County releases sterile mosquitoes as warmer weather nears