Tamil Nadu: Heavy rainfall is expected in certain districts of western Tamil Nadu today and tomorrow, according to the Chennai-based Regional Meteorological Centre (RMC). The latest weather bulletin indicates that districts such as Nilgiris, Coimbatore, Tiruppur, Theni, Dindigul, Erode, Krishnagiri, and Dharmapuri are likely to experience intense showers on Monday and Tuesday. The broader forecast.