July 13, 2016 5:35 pm Jeff's Forecast: 100s & Spare The Air High pressure will bring isolated 100s and poor air quality. Chief Meteorologist Jeff Ranieri tracks who’s the hottest. Plus, cooler changes this weekend in your Microclimate Forecast. US & World Videos 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 3:34 Bay Area Forecast: Warmer days ahead