bay area weather 4 hours ago Jeff's forecast: What's causing a huge temperature drop Chief Meteorologist Jeff Ranieri has the latest on the weather pattern and why temps will drop Wednesday in your Microclimate Weather forecast. US & World Videos 2:54 National Weather Service upgrades its radar systems 2:57 Forecast: Last hot day 2:23 Kari's forecast: Last hot day 2:51 Jeff's forecast: Quick warming as inland heat continues and what drops temps mid-week 3:39 Jeff's Forecast: Tracking 2 systems to drop temps by mid-week
