bay area storm December 31, 2022 7:39 am Forecast: Stormy Start to Saturday An atmospheric river storm arrived in the Bay Area overnight Saturday, bringing heavy rain and widespread flood watches to some areas. Vianey Arana and Cinthia Pimentel have your Microclimate Forecast. US & World Videos 1:35 Kari's forecast: Gradual warming trend 2:59 Rob's forecast: Warmer days ahead 3:34 Bay Area Forecast: Warmer days ahead 2:42 Cinthia's forecast: Sunny and breezy 2:58 Rob's Forecast: Breezy Sunday