weather forecast May 12, 2021 5:34 pm Jeff's Forecast: Cooler and NorCal Thunderstorm Chance Chief Meteorologist Jeff Ranieri has more on the much cooler temps and some thunderstorms moving near the Bay Area in your Microclimate Forecast. 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