September 27, 2018 11:40 pm Jeff's Forecast: Dropping Temps and Rain Update A developing system near the coast will help to drop temperatures Friday. Chief Meteorologist Jeff Ranieri has more on the cooler forecast and when rain chances increase in your Microclimate Weather. US & World Videos 3:19 Bay Area forecast: Clearing, warming ahead 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