July 16, 2017 5:40 pm PM Forecast: Tracking Thunderstorms This Week Heat warnings expire Sunday night, temperatures will fall slightly on Monday and we’re tracking thunderstorms this week. Anthony Yanez has your First Alert forecast for Sunday, July 16, 2017. US & World Videos 3:32 USC, UCLA students navigate end of the year protests 3:26 Confrontations occur at UCLA campus amid ongoing protests 2:44 Tommy Trojan statue cleaned after vandalism 0:23 LA County sheriff's deputy dies on duty at station 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters