Any thoughts regarding the forecast?
NOAA - http://forecast.weather.gov/MapClick.php...en#.VX8MjvlVikp

Mountain Forecast - http://www.mountain-forecast.com/peaks/Mount-Whitney/forecasts/4418

It seems rather mild for this time of year IMO. I left for the HST tomorrow, with the hopes of hitting the WhitneyZone early next week:
http://www.hikinggeek.com/2015/06/09/hike-in-progress-high-sierra-trail-summer-2015/