bay area weather 12 hours ago Forecast: Heat extends into the weekend Meteorologist Kari Hall has the details on the valley heat wave and coastal relief in the Microclimate Forecast. US & World Videos 3:19 Forecast: Hot weekend 1:00 49ers-Cardinals weather forecast: Mid-90s at Levi's Stadium 2:12 Kari's forecast: Heat extends into the weekend 2:58 Jeff's Forecast: Few degrees cooler but inland heat to stay this weekend 3:36 Jeff's forecast: What will finally get rid of this heat wave