Delhi heatwave 2026: IMD issues yellow alert for 40°C+ temperatures

On 2026-04-21, Delhi experienced an early-season heatwave with temperatures reaching 40°C+ and forecasts of 42-45°C through April 25, according to the Indian Meteorological Department. The agency issued a yellow alert and circulated heat advisories for vulnerable groups, including street vendors, rickshaw pullers, and field labourers.