Mumbai Struggles to Cope as Record Rains Lash Financial Hub

Mumbai’s wettest start to July in decades killed at least 13 people in the city and its adjoining areas and caused widespread disruption for millions of residents, raising questions about the quality of infrastructure in India’s financial hub.

The country’s weather office has so far issued an unprecedented four consecutive ‘red alert’ notifications — the highest weather severity warning — for Mumbai and its adjoining areas over the past seven days. Mumbai and its surroundings recorded heaviest early-monsoon rainfall since at least 2000 despite a delayed onset linked to El Niño conditions.

The city, run by India’s richest municipal authority, faces disruptions every season as its road and water drainage networks fail to cope with monsoon downpours. Heavy rains caused as many as 2,718 deaths and $1.2 billion in losses each year in the decade through 2015, according to a study last year.

“This is a general crisis of urban planning,” said Hussain Indorewala, professor at Kamla Raheja Vidyanidhi Institute for Architecture & Environmental Studies, Mumbai. “Over the past 2-3 decades, we’ve seen that planning is oriented towards the real estate sector,” Indorewala said, adding that only lip service is paid to considerations of storm water drainage, sanitation and environmental conservation.

This spell has been especially severe. Several parts of the city received 200 millimeters to 300 millimeters of rain in just 24 hours, more than twice the volume during a typical heavy monsoon spell. The impact was compounded by roadworks and construction projects across the city as authorities upgrade aging infrastructure. Low-lying neighborhoods such as Andheri, Chembur and Vikhroli were repeatedly inundated, freezing traffic.

“There aren’t enough drains for the water to run off. This has made the city impermeable,” Indorewala said. “Ironically, it creates a dual challenge where groundwater is depleting. The city has lots of water above land, very little under it.”

The Brihanmumbai Municipal Corporation shut schools and advised residents to work from home. Local and long-distance train services were disrupted, while 17 flights were canceled and more than 200 delayed on Monday because of heavy rain, local media reported.

⛈️ 🚨India Meteorological Department (IMD) has issued an Orange alert warning along with gusty winds for tomorrow, 7 July 2026 for Mumbai.

🏫In view of this, all Government, Municipal and Private schools and colleges in Mumbai have been declared a holiday for Tomorrow , 7 July…

— माझी Mumbai, आपली BMC (@mybmc) July 6, 2026

The rains also toppled decades-old trees onto homes, vehicles and a school bus, killing an 11-year-old boy. Poor maintenance and unscientific pruning have left many roadside trees vulnerable, according to a Mumbai Mirror newspaper report citing a survey of about 5,000 trees in Mumbai’s Bandra locality.

Not enough environmental and social impact assessments are conducted before developing infrastructure in Mumbai, said Sheema Fatima, professor at Balwant Sheth School of Architecture at NMIMS, Mumbai. “You’re not thinking common spaces, drainage or trees anymore. You’re thinking about car parks and housing valuations.”

New Normal

The city faced roughly 80% of its typical July rainfall in a matter of days. A rapidly warming Arabian Sea is altering Mumbai’s monsoon pattern from causing steady seasonal rains to a volatile series of hyper-concentrated downpours, according to Akshay Deoras, senior research scientist at the University of Reading.

“It’s a new normal for Mumbai,” Deoras said. “Rainfall will get more variable. And when it rains, it will rain very heavily.”

Flooding and landslides also forced temporary closures on key routes to Pune and Goa. Thousands of commuters were stranded Monday after a section of the two-month-old so-called ‘missing link’ tunnel on the Mumbai-Pune Expressway, built at a cost of 700 billion rupees, was damaged by a landslide. Traffic resumed after repairs and debris were cleared, while the weather office lowered its warning to orange from red.

Devendra Fadnavis, chief minister of the western state of Maharashtra, blamed the damage on the unprecedented rainfall. “There are many things that are beyond our control. The rain was so heavy that it caused the landslide at the Missing Link,” Fadnavis was quoted as saying by the New Indian Express newspaper.

Top photo: Civic authority workers clear a road blocked by uprooted trees following strong winds and heavy rainfall in Mumbai on July 5. Photographer: Punit Paranjpe/AFP/Getty Images. Bloomberg.