A severe heatwave is set to grip Pakistan starting today, April 26, 2025, as a high-pressure system settles over the region. The Pakistan Meteorological Department (PMD) has issued a warning for elevated temperatures nationwide, with the southern provinces of Sindh, Balochistan, and southern Punjab expected to experience conditions 6–8°C above the seasonal average. This prolonged heat event is anticipated to last until at least April 30, 2025 .

Meteorological Overview

The onset of this heatwave is attributed to a high-pressure system in the upper atmosphere, which has led to a significant rise in temperatures across the country. In Karachi, the maximum temperature is forecasted to reach 39°C on Saturday, with hot and humid conditions persisting over the next few days .​

Regional Impacts

  • Sindh: Cities like Karachi, Sukkur, and Jacobabad are expected to experience temperatures exceeding 40°C. The combination of high temperatures and humidity levels increases the risk of heat-related illnesses.
  • Punjab: Southern districts such as Multan, Bahawalpur, and Rahim Yar Khan may witness temperatures up to 45°C. The Provincial Disaster Management Authority (PDMA) has issued advisories urging residents to take precautions .​
  • Balochistan: Areas like Quetta and Zhob are also under heatwave conditions, with temperatures significantly above normal.​

Health and Safety Precautions

The PMD and NDMA have emphasized the importance of staying hydrated and avoiding prolonged exposure to the sun, particularly between 11 a.m. and 4 p.m. Vulnerable groups, including children, the elderly, and outdoor workers, are advised to take extra precautions. Symptoms of heat-related illnesses such as dizziness, nausea, and excessive sweating should be addressed promptly by moving to a cooler environment and consuming fluids .​

Agricultural and Environmental Concerns

The heatwave poses risks to agriculture, especially in areas where wheat harvesting is underway. Farmers are advised to adjust their schedules to cooler parts of the day and ensure adequate water supply for crops and livestock. Additionally, the elevated temperatures may accelerate the melting of snow in northern regions, potentially leading to glacial lake outburst floods .​

Long-Term Implications

Experts attribute the increasing frequency and intensity of heatwaves to climate change. Pakistan, being one of the most climate-vulnerable countries, faces heightened risks from such extreme weather events. The early onset of this heatwave underscores the urgency for comprehensive climate adaptation strategies, including improved infrastructure, public awareness campaigns, and enhanced disaster response mechanisms .​

As the high-pressure system persists, authorities continue to monitor the situation closely and issue updates to ensure public safety. Residents are encouraged to stay informed through official channels and adhere to safety advisories.

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