September 20, 2018 5:41 pm Jeff's Forecast: Cooler Ahead and Rain Outlook Heat will fade a bit by this weekend. Chief Meteorologist Jeff Ranieri tracks why temperatures will cool and how long this could last in your Microclimate Forecast. US & World Videos 3:07 Cinthia's forecast: Sunny, breezy, warming ahead 3:06 Rob's forecast: Clearing and warming ahead 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