weather 19 hours ago Bay Area forecast: Heat wave continues There’s an excessive heat warning through 11 p.m. Sunday night. We are also tracking 100 degrees at Levi’s Stadium. Cinthia Pimentel has the Microclimate Forecast. US & World Videos 2:59 Demonstrations held on eve of Oct 7 2:27 Forecast: More heat Monday, cooling returns Tuesday 1:55 Rallies held in San Francisco make 1 year since Oct 7 2:26 Mayor Thao, supporters fighting recall efforts 3:08 Cinthia's Forecast: Dangerous Heat Sunday