Edit: my post before I saw this thread in this forum... (Thanks for answering first, Tom!).
Hi Carl, welcome to WhitneyZone.
The road to Whitney Portal is open -- click on the webcam:
Just watch for icy spots, especially after any recent storms.
The most reliable site for Whitney Portal weather
that we can find is the NOAA computer-generated reports. There is a link on the Mt Whitney Weather page (look to the left).