August 12, 2019 5:45 pm Jeff's Forecast: Dangerous 100s Hot weather returns this week. Chief Meteorologist Jeff Ranieri has details on where 100s are possible and how much cooler for the weekend in your Microclimate Forecast. US & World Videos 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 3:25 Bay Area Forecast: Storm brings rain, colder temps and big Sierra snow 2:31 Forecast: Rainy Saturday ahead