Mumbai Flood Monitoring System provides real-time updates on rainfall, water levels, and flooding in Mumbai to help residents during monsoon. Navi Mumbai Municipal Corporation (NMMC) personnel carry out a search operation in Vashi, after a boy was believed to have died by suicide, amid rising water levels due to heavy rain. Mumbai Rains Updates, May 26: Mumbai faces heavy rains and thunderstorms as the Southwest Monsoon arrives early, marking the wettest May since 1990 with 79.6 mm rainfall, causing disruptions and flooding in parts of Maharashtra. MUMBAI , India (AP) — The monsoon season has brought parts of Mumbai , India’s financial and entertainment capital, to a halt. The disruption has hit local trains, a lifeline of the city’s transport system. Many areas are inundated with knee-deep water, forcing people to wade through the floods .