Here is the story of the Rainmaker as I’ve heard it from Jung and others:

The village had had no rain for a long while, and the inhabitants were desperate. They sent for the Rainmaker. When he came, he asked for a hut off a ways from the daily life of the village, where he could meditate. For several days, nothing happened and the people wondered. But then finally the rains came. When the Rainmaker emerged from his hut, the people asked what he had done. He said that, when he had arrived, the village was not in the Tao, so he sat and meditated until he was in the Tao. Then the village was in the Tao too, and the rains came.
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I was traveling east in the early 70’s. I headed first to the southwest and eventually found myself in the Mogllon National Forest in New Mexico. There was a drought there and a friend needed healing. I did a four-day purifying ritual involving the four directions and my place in the universe. At the end of this time, the rains came, and the trees and all of us were glad. The rains came too in my friend’s heart, as he came to love himself again.

I’ve noticed since then that when I’m centered, the weather centers itself. If it is dry and arid and not at all beneficial to life, I can help bring the rain. If it has long been cloudy and cold or raining, I can help clear the skies and bring back the warmth.

I believe that each day in every locale there is a weather person for that day and that place, someone who determines, by his or her centeredness, what the weather will be like for that day. Most of the time we don’t even notice this.

Partly this is because of our culture’s narrow-mindedness regarding the psyche and its relationship with the world; partly it is because the weather has become less important to all of us living in our artificial cities. But some of us do notice. The common ingredient for being a weather person is being in the Tao. The Tao determines the weather; all we actually do is allow it to happen through us by being one with the Tao.