May 16, 2017 5:55 pm Jeff's Forecast: Hotter 90s Ahead Clouds start to clear Wednesday with a major increase in temperatures by the weekend. Chief Meteorologist Jeff Ranieri has more on when hotter 90s return in your Microclimate Forecast. US & World Videos 3:41 Jeff's Forecast: Hottest Bay Area weather this year 2:21 Kari's forecast: Heating up 2:36 Kari's forecast: Heating up today 2:28 Jeff's Forecast: Warming up as wind increases over parts of the Bay Area 4:03 Jeff's Forecast: Wind increases to bring hotter temps