weather September 16, 2020 11:49 pm Jeff's Forecast: Air Quality Improves and Humid Storms Near Chief Meteorologist Jeff Ranieri tracks the improving air quality and the humid storms moving close 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