October 20, 2015 11:35 am Kari Hall's Mid Day Update Temperatures are warming for the middle of the week. Cooler air arrives in time for the weekend. US & World Videos 2:51 Cinthia's forecast: Spring storm, cooler temperatures 2:58 Jeff's Forecast: Saturday rain drops temps and brings major Sierra snow 3:25 Bay Area Forecast: Storm brings rain, colder temps and big Sierra snow 2:31 Forecast: Rainy Saturday ahead 2:12 Kari's forecast: Rainy Saturday ahead