San Francisco August 26, 2017 6:15 pm Rob's Forecast: Heat is On Heat advisories and warnings are in effect as a heat wave brings scorching temperatures to the Bay Area. US & World Videos 1:35 Kari's forecast: Gradual warming trend 2:59 Rob's forecast: Warmer days ahead 3:34 Bay Area Forecast: Warmer days ahead 2:42 Cinthia's forecast: Sunny and breezy 2:58 Rob's Forecast: Breezy Sunday