October 21, 2017 8:35 pm PM Forecast: Temperatures Climbing As temperatures climb, heat and red flag warnings are in effect. Anthony Yanez has your First Alert forecast for Saturday, Oct. 21, 2017. US & World Videos 1:56 1 person killed after car crashes into South LA church 3:30 Protest on USC campus continues ahead of graduation 1:47 ‘Star Wars' characters bring joy to pediatric patients 0:43 LA County releases sterile mosquitoes as warmer weather nears 2:42 Days before USC commencement, protesters still camped out on campus