August 3, 2016 5:50 pm Jeff's Forecast: Cooler Next 48 Hours The jet stream will take a dip south over the next 48 hours to help drop temperatures. Chief Meteorologist Jeff Ranieri tracks how much cooler in your Microclimate Forecast. 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