bay area weather 5 hours ago Bay Area heat wave: Warnings downgraded to advisories All excessive heat warnings on Monday were downgraded to heat advisories, according to the National Weather Service. Vianey Arana and Bob Redell report. US & World Videos 2:40 Vianey's forecast: Heat advisory, gradual cooling ahead 2:51 Rob's Forecast: More heat Monday, cooling returns Tuesday 2:27 Forecast: More heat Monday, cooling returns Tuesday 3:41 Bay Area forecast: Heat wave continues 3:08 Cinthia's Forecast: Dangerous Heat Sunday