The India Meteorological Department (IMD) has issued a forecast of widespread rainfall and thunderstorms across southern India through October 18, affecting Tamil Nadu, Kerala, Karnataka, Andhra Pradesh, and Telangana. In Tamil Nadu specifically, multiple districts—spanning the Western Ghats, interior zones, and Chennai—are expected to see heavy downpours intermittently. The advisory warns of potential flooding, waterlogging, disruption in low-lying areas, and possible stress on drainage systems. Local governments are urged to ready emergency services, check infrastructure resilience, and coordinate with disaster management teams.Residents are being told to avoid waterlogged zones, monitor weather updates, and take precautionary measures.Although beneficial for replenishing water levels, sustained heavy rains could damage crops, soil stability, and transport systems.Travel and public utility services may be disrupted in affected districts during peak rainfall periods.This weather alert highlights the importance of robust forecasting and prompt response in Tamil Nadu’s climate-vulnerable regions.