bay area weather 15 hours ago Forecast: Dangerous heat this week Meteorologist Kari Hall tracks the extreme heat and its impacts to the Bay Area in the Microclimate Forecast. US & World Videos 2:42 Jeff's Forecast: Fast warming as heat wave pushes temps to 105 degrees 3:20 Excessive heat warning in effect for parts of the Bay Area 3:28 Jeff's Forecast: Heat wave brings dangerous temps up to 105 degrees 2:32 Kari's forecast: Dangerous heat this week 3:03 Bay Area heat advisory in effect through Wednesday