June 16, 2017 7:45 pm Jeff's Forecast: Hot 100s Major heat builds in across the Bay Area this weekend. Chief Meteorologist Jeff Ranieri tracks where you can go for some relief and how long the heatwave will last in your Microclimate Forecast. US & World Videos 2:35 Jeff's Forecast: Warm temps, wind soon & when rain returns 2:46 Jeff's forecast: Warm temps, wind and next rain chance timing 2:48 Forecast: Gradual warming trend 1:35 Kari's forecast: Gradual warming trend 2:59 Rob's forecast: Warmer days ahead
