October 21, 2016 5:45 pm Jeff's Forecast: Cooler, Rain Soon & La Niña Update Warm 80s fade this weekend. Chief Meteorologist Jeff Ranieri tracks cooler temperatures and clouds increasing. Plus, when rain returns and how La Niña may impact the next few months. 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