bay area weather 12 hours ago Kari's forecast: Dangerous heat this week Meteorologist Kari Hall tracks the extreme heat and the impacts to the Bay Area in the Microclimate Forecast. US & World Videos 3:28 Jeff's Forecast: Heat wave brings dangerous temps up to 105 degrees 3:31 Forecast: Dangerous heat this week 3:03 Bay Area heat advisory in effect through Wednesday 3:26 Rob's Forecast: Significant heat ahead and fire danger 2:40 Forecast: Significant heat ahead and fire danger