August 19, 2017 7:10 am AM Forecast: Cooler Temps This Weekend Expect slightly cooler temperatures to kick off the weekend. David Biggar has your First Alert Forecast on Saturday, Aug. 19, 2017. US & World Videos 3:14 LAPD officers return to USC amid pro-Palestinian protest 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:42 USC students share thoughts on cancelation of main commencement 0:45 Where will the 2025 NFL draft take place? 1:23 NFL draft prospects continuing family legacies