May 23, 2017 11:55 pm Jeff's Forecast: Much Cooler Ahead Temperatures to drop at least 10 more degrees the next 48 hours. Chief Meteorologist Jeff Ranieri has more on the cooling and what it means for the upcoming weekend in your Microclimate Forecast. US & World Videos 2:59 Rob's forecast: cooler near the bay, valley heat continues 2:03 Bay Area forecast: AM Fog, sunny & slightly cooler 2:39 Forecast: Morning fog returns as temps start to dip 3:27 Jeff's Forecast: System brings temps down this weekend 2:49 Forecast: Drop in temps ahead