IMD red alert for Mumbai, Thane till July 7 as rainfall tops 146 mm
Synopsis
Mumbai and Thane are bracing for their most intense monsoon spell yet, with the IMD issuing a red alert through 7 July after parts of Bandra recorded over 146 mm of rain in a single day. The weekend forecast of 200-250 mm across high-risk zones means the worst may still be ahead.
Key Takeaways
The IMD issued a red alert for Mumbai , Thane , Palghar , Raigad , Satara , and Pune Ghat regions, valid through 7 July .
Rainfall in H-West Ward hit 146.4 mm in 24 hours — the highest recorded across BMC gauge stations.
The IMD forecasts 200-250 mm of rain over high-risk areas during the weekend.
Thane city recorded 58 mm of rainfall between Friday morning and early Saturday.
The BMC has shut all beaches and coastal areas; civic bodies, Fire Brigade, and Disaster Management teams are on high alert.
Emergency helplines activated: BMC 1916 , Thane Disaster Cell 1800-222-108 , among others.
The India Meteorological Department (IMD) on Saturday, 4 July issued a critical red alert for Mumbai, Thane, and several neighbouring districts as relentless monsoon downpours lashed the region for a fourth consecutive day. With over 100 mm of rain recorded across multiple areas within a single 24-hour window, forecasters warned that intensity would spike further through the weekend.
Rainfall Figures Across Mumbai
Data from Brihanmumbai Municipal Corporation (BMC) rain-gauge stations confirms that suburban zones are bearing the heaviest load. The highest recorded figures in the past 24 hours include H-West Ward Office at 146.4 mm, Bandra (Supari Tank Municipal School) at 143.4 mm, Bandra (Pali Mumbai Municipal School) at 140.6 mm, G-South Ward Office at 140.2 mm, F-North Ward Office at 132 mm, Mankhurd Fire Station at 126.8 mm, and Chembur (Collector Colony) at 124.2 mm. Neighbouring Thane city recorded 58 mm of rainfall between Friday morning and early Saturday dawn, with heavy spells continuing to pound the district.
Red Alert Coverage and Weekend Forecast
The red alert spans Mumbai and Thane for both Saturday and Sunday, extending to Palghar, Raigad, Satara, and the vulnerable Ghat regions of Pune. The IMD estimates that high-risk areas could receive between 200 mm and 250 mm of torrential rain over the weekend, with severe monsoon activity forecast to persist until 7 July. This is the fourth straight day of intense precipitation, placing the current spell among the more sustained early-monsoon onslaughts in recent years.
Civic Response and Safety Measures
The local civic administration, Fire Brigade, and the Disaster Management Department have been placed on high alert. The BMC has declared all beaches and coastal areas strictly off-limits to prevent mishaps amid rising water levels and rough seas. Authorities have strongly advised citizens to remain indoors, avoid low-lying and waterlogged locations, and refrain from driving or wading through flooded streets. Citizens have also been urged to secure loose objects outside their homes.
Emergency Helplines
The state administration has activated emergency helplines across the affected districts. Citizens can contact the BMC at 1916, the Palghar District Helpline at 02525-297474 or +91 82379 78873, the Thane Municipal Corporation (TMC) at 022-25364779 or 022-25301740, the Thane Disaster Management Cell at 1800-222-108 or 8657887101, and the Panvel Municipal Corporation at 022-27458040/41/42. With the IMD warning of continued heavy rainfall through 7 July, residents across the Mumbai Metropolitan Region are urged to stay alert and monitor official advisories.
Point of View
Areas with known drainage deficits. With the IMD projecting 200-250 mm more over the weekend, the civic response window is narrow. Mumbai's recurring flood vulnerability points to a structural gap between monsoon preparedness announcements and on-ground drainage capacity — a gap that reappears, reliably, every July.
NationPress
4 Jul 2026
Frequently Asked Questions
Which areas are under IMD red alert in Maharashtra till July 7?
The IMD red alert covers Mumbai, Thane, Palghar, Raigad, Satara, and the Ghat regions of Pune, active from Saturday 4 July through Monday 7 July. Both Mumbai and Thane are under red alert for Saturday and Sunday specifically.
How much rainfall has Mumbai recorded in the past 24 hours?
BMC rain-gauge data shows H-West Ward Office recorded the highest at 146.4 mm in 24 hours, followed by Bandra (Supari Tank Municipal School) at 143.4 mm and Bandra (Pali Mumbai Municipal School) at 140.6 mm. Several other stations across the city crossed 100 mm in the same period.
What is the weekend rainfall forecast for Mumbai and Maharashtra?
The IMD estimates that high-risk regions could receive between 200 mm and 250 mm of torrential rain over the weekend, with severe monsoon activity expected to persist until 7 July.
What precautions have authorities advised Mumbai residents to take?
Authorities have advised residents to stay indoors, avoid low-lying and waterlogged areas, and not drive or wade through flooded streets. The BMC has declared all beaches and coastal areas off-limits. Citizens are urged to contact emergency helplines — BMC at 1916, Thane Disaster Management Cell at 1800-222-108 — if needed.
Is this Mumbai monsoon spell unusual?
The current spell marks a fourth consecutive day of heavy rainfall, with multiple suburban areas crossing 100 mm in a single 24-hour window. The IMD's forecast of 200-250 mm over the weekend places this among the more intense early-monsoon episodes in recent years, though officials have not yet declared it a record event.
