bay area weather September 13, 2024 11:32 am Forecast: Warmer day, cooler weekend Meteorologist Kari Hall tracks changes, with a cold front dipping in for the weekend in the Microclimate Forecast. US & World Videos 2:39 Jeff's forecast: Big weekend heat on the way 3:35 Jeff's forecast: Why temps soar this weekend 3:01 Kari's forecast: Rain possible 2:18 Kari's forecast: Rain possible today 3:11 Jeff's Forecast: Bay Area rain chances and weekend heat to return