This foretells trouble especially when it is heavy and boisterous.... (Rain)
If a wadi obstructs one’s journey in a dream, it may represent a robbery, heavy rain, or having to face a dangerous person.... (Wadi)
Your dream mainly consists of these symbols: heavy, rain. For deeper and better understanding it's recommended to read the individual meanings of each symbol. To find out what other interpretations, that are based on distinct character's symbolism, the dream about heavy rain have, click on these links: heavy, rain, or you can search manually by using synonyms of these words.