bay area weather 9 hours ago Kari's forecast: Excessive heat and hazy sky Meteorologist Kari Hall has details on dangerous heat and safety tips in the Microclimate Forecast. US & World Videos 2:44 Forecast: Excessive heat and hazy sky 3:12 Excessive heat warning in effect for parts of the Bay Area 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