March 20, 2017 5:45 am AM Forecast: Start of Spring The official start of spring brings a change in our weather pattern this week with cool temperatures and rain. Shanna Mendiola has your First Alert Forecast for Monday March 20, 2017. US & World Videos 5:00 Demonstrations disrupt classes at UCLA 2:36 Law enforcement officers on UCLA campus as students return 1:57 Hazmat team responds after two people are found dead in Northridge 18:12 Police begin to clear protesters from USC campus 3:18 USC's commencement preparation includes increased security patrol