it is not currently possible to stop rain from falling on a large scale. Rainfall is a natural meteorological process that occurs due to various factors such as atmospheric conditions, temperature, humidity, and the water cycle. It is a result of water vapor condensing in the atmosphere and falling back to the Earth's surface.
While it is possible to modify weather conditions on a small scale through cloud seeding, which involves dispersing substances like silver iodide or dry ice into the clouds to encourage precipitation, the effectiveness and control of such techniques are limited. Cloud seeding is primarily used to enhance existing precipitation, such as increasing snowfall in mountainous regions or inducing rain in drought-stricken areas, rather than stopping rain altogether.
However, it's worth noting that scientific advancements and technologies are constantly evolving, so it's possible that future developments could bring about new methods for manipulating weather patterns. Nevertheless, at present, the ability to completely prevent rain from falling remains beyond our reach.