The link on the left side of the page "Mt. Whitney Weather" will take you to another page with several options for getting forecast. The NOAA - National Weather Service forecast includes Smoke forecast. You can see today's forecast at:

http://forecast.weather.gov/MapClick.php...nit=0&lg=en

It only goes out 7 days but not sure any forecast is accurate beyond a few days. Nonetheless it is cause for optimism.