A severe heatwave continues to affect Sindh province, with Karachi recording high humidity and interior districts facing extreme temperatures on Friday [1, 2].

These conditions pose significant public health risks as prolonged heat and humidity increase the likelihood of heatstroke and respiratory distress for millions of residents. The persistence of high night-time temperatures prevents the environment and human bodies from recovering during sleep.

The Pakistan Meteorological Department (PMD) said that Dadu recorded a temperature of 51.5°C [1]. In Karachi, the maximum temperature reached 36.6°C [2], while wind speeds were recorded at 38 km/h [2]. Despite the wind, the city remains hot and humid.

Interior districts are seeing even more extreme conditions. Forecasts indicate that Jacobabad, Sukkur, Larkana, and Hyderabad will see temperatures reach 45°C [4]. Other cities across Sindh are expected to hit 44°C [5].

The PMD said that the hot and humid weather will persist for at least three more days [3]. However, some relief may arrive early next month. The department forecasts light to moderate rainfall with thunderstorms in parts of Sindh on June 1, 2026 [6].

Local authorities continue to monitor the atmospheric conditions as the region struggles with the heatwave. The combination of high heat and moisture, particularly in coastal areas like Karachi, creates a higher heat index, making the perceived temperature feel significantly warmer than the actual reading.

Dadu recorded a temperature of 51.5°C

The current weather pattern in Sindh demonstrates the increasing volatility of South Asian summers, where extreme heat is often compounded by high humidity. The gap between the coastal humidity of Karachi and the extreme dry heat of interior districts like Dadu creates a diverse set of health challenges, necessitating different emergency response strategies across the province.