weather 5 hours ago Jeff's Forecast: Fast warming as heat wave pushes temps to 105 degrees Chief Meteorologist Jeff Ranieri has the latest on the dangerous heat moving into the Bay Area and what’s causing the temperature surge in your 7 day Microclimate Forecast. US & World Videos 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 3:31 Forecast: Dangerous heat this week 2:32 Kari's forecast: Dangerous heat this week 3:03 Bay Area heat advisory in effect through Wednesday
