Get as good an altimeter setting as you can, and use your altimeter. Ease on down, bit by bit, holding an appropriate landing configuration. Don't push it down, there's no rush, you have miles of open playa. Use your shadow if you can for a ground reference. Winds Early morning is usually the best time for flying in the mountains.
Thunderstorms build in the afternoon.
The winds sometimes calm down before sunset, so plan your arrival for early or late. The Burning Man site is in a natural wind tunnel created by the surrounding mountains. The winds are usually out of the southwest. They can be much worse at the site than on the open playa. They can also be going in different directions at different locations at the same time.