June 20, 2012 12:52 pm The Heat Is On Record temperatures and western wildfires mark the start of summer. Chris Clackum reports. 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