Monsoon Intensifies Across India: Mumbai Flights Hit, Rain in Delhi-NCR

As monsoon rainfall gains momentum, travel disruptions and weather alerts are reported across several major Indian cities, signaling an urgent shift in weather patterns.

Monsoon activity intensified significantly across India on Sunday, July 5, 2026, leading to widespread rainfall that disrupted flight operations in Mumbai and triggered high-alert status across multiple states. The India Meteorological Department (IMD) reports that heavy to very heavy rainfall is affecting various regions, with the weather agency issuing fresh warnings for parts of Kerala, Odisha, and Jharkhand, while the National Capital Region (NCR) experienced a sudden surge in precipitation.

The intensification comes as a well-marked low-pressure area over the Bay of Bengal has developed into a depression, significantly influencing weather conditions in eastern and central India.

Mumbai Air Traffic and Infrastructure Impact

Mumbai, the country’s financial hub, faced the most severe immediate impact from the monsoon intensification. Heavy overnight rainfall forced authorities at the Chhatrapati Shivaji Maharaj International Airport to suspend all runway operations for one hour on Sunday morning.

According to airport officials, adverse weather conditions, including gusty winds reaching up to 42 knots and reduced visibility, necessitated the temporary halt. The disruption resulted in the cancellation of four IndiGo flights and the diversion of 13 inbound aircraft to nearby airports. While normal operations resumed after the weather cleared, live flight tracking data indicated widespread delays for both domestic and international departures throughout the day.

Beyond the aviation sector, the heavy rainfall—with some areas in Mumbai recording over 200 mm to 300 mm in 24 hours—led to localized waterlogging, traffic congestion, and reports of structural damage, including at least one fatality caused by a falling tree.

Weather Alerts and Regional Developments

The IMD has issued a series of alerts as the monsoon system progresses:

• Odisha and West Bengal: The depression over the Bay of Bengal is expected to cross the north Odisha coast near the border with West Bengal, prompting high-alert status for all districts in Odisha.

• Kerala: Widespread rainfall across the state has led to the issuance of orange and yellow alerts, signaling risks of further heavy downpours.

• Jharkhand: A yellow alert for thunderstorms, lightning, and gusty winds has been issued for all 24 districts, effective from July 6 through July 9.

• Delhi-NCR: The capital region received moderate rainfall on Sunday, providing relief from recent humid conditions. The IMD has issued an orange alert for Delhi for July 6, forecasting further light to moderate showers and potential thunderstorms.

Official Sources

Information provided in this report is based on bulletins issued by the India Meteorological Department (IMD), official statements from Mumbai International Airport Ltd (CSMIA), and local administrative reports regarding infrastructure and safety.

Why It Matters

The current intensification of the monsoon is critical for both urban centers and the agricultural sector. While the rains provide essential water for the Kharif cropping cycle, the sudden onset—particularly in densely populated cities like Mumbai—exposes vulnerabilities in urban infrastructure, including drainage and transit resilience. For travelers, the weather conditions increase the risk of flight delays and surface transport bottlenecks. For the broader economy, the progression of rainfall throughout July is a key factor in managing agricultural output and rural consumption trends.

Key Facts at a Glance

• Flight Operations: Mumbai’s Chhatrapati Shivaji Maharaj International Airport suspended runway operations for one hour; 13 flights were diverted and 4 were cancelled.

• Rainfall Intensity: Parts of Mumbai recorded between 200 mm and 300 mm of rain within a 24-hour period.

• Weather Alerts: Red, orange, and yellow alerts remain active across various states, including Odisha, Kerala, and Jharkhand, as per the IMD.

• Delhi-NCR Outlook: An orange alert has been issued for Delhi for July 6, with forecasts predicting light to moderate rain and strong winds.

FAQ

1. Are flights in Mumbai currently operational?

Yes, runway operations at Mumbai’s international airport resumed after a one-hour suspension on July 5. However, passengers are advised to check real-time status with their airlines due to lingering delays.

2. Which states are under high alert?

The IMD has issued varying levels of weather alerts for Odisha, Kerala, and Jharkhand, with additional warnings for heavy rain in parts of Chhattisgarh, Madhya Maharashtra, and Delhi.

3. What is causing this sudden increase in rainfall?

The intensification is driven by a well-marked low-pressure area over the Bay of Bengal that has transitioned into a depression, coupled with a seasonal trough of low pressure.

4. Is the monsoon expected to continue?

The IMD has forecasted continued rainfall across several parts of the country through July 9, though intensity may vary by region.

Summary: 

Source: India Meteorological Department (IMD), Mumbai International Airport Ltd (CSMIA)