Delhi’s weather has taken an unexpected turn this May, with the national capital experiencing unseasonal rainfall, thunderstorms, and improved air quality.
The India Meteorological Department (IMD) has forecasted that this pattern will continue until at least May 8, bringing both relief and challenges to the city. Delhi witnessed one of its wettest May days in recent memory, with Safdarjung—Delhi’s primary weather station—recording 77 mm of rain in just six hours between 2:30 am and 8:30 am. This intense downpour was accompanied by loud thunderstorms, lightning, and winds gusting up to 74 km/h, causing significant disruptions across the city. Major roads were waterlogged, traffic crawled for hours, and several flights were delayed or diverted. The extreme weather event prompted renewed calls for urgent infrastructural reforms, particularly in drainage and power resilience systems.
The IMD attributes this prolonged stretch of unseasonal weather to an active western disturbance that has taken hold over northwestern India. The department has issued a Yellow Alert for Delhi, warning of thunderstorms, heavy rain, and gusty winds across the region from May 3 to May 6. While the rainfall has brought some relief from the intense heat, it has also had a positive impact on Delhi’s air quality. The Central Pollution Control Board (CPCB) reported that the city’s Air Quality Index (AQI) stood at 127 at 6 am on Saturday, falling in the ‘moderate’ category. This marks a significant improvement from the ‘very poor’ AQI levels recorded earlier in the week.
The IMD forecasts that Delhi will continue to experience generally cloudy skies with light rain, accompanied by lightning and strong winds, until at least May 8. Maximum temperatures are expected to rise by 3–4°C over the next 24 hours, but no major fluctuations are predicted thereafter. Between May 4 and May 8, Delhi may witness intermittent light rain or drizzle, thunder activity, and wind speeds of up to 25 km/h. However, no heatwave conditions are likely during this period. Delhi’s unseasonal rainfall and thunderstorms have brought both challenges and benefits to the city. While the improved air quality is a welcome change, the disruptions caused by the extreme weather highlight the need for urgent infrastructural reforms. As the city braces for continued wet weather, residents are advised to stay updated with the latest forecasts and take necessary precautions.
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