December 16, 2015 5:45 pm Jeff's Forecast: Next Storm Timeline Chief Meteorologist Jeff Ranieri tracks our next 2 systems Friday into Sunday and how much rain we could accumulate. US & World Videos 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 2:48 Jeff's Forecast: Dry Friday; rain returns this weekend