Pakistan is preparing for its first heatwave of the season, as the Pakistan Meteorological Department (PMD) warns of soaring temperatures starting Thursday and lasting three to four days. A strong high-pressure system is expected to affect most parts of the country from May 15 to 20. Southern regions, including Sindh, southern Punjab, and Balochistan, will see daytime temperatures rise 4 to 6°C above normal. Central and upper Punjab, Islamabad, Khyber Pakhtunkhwa, Azad Jammu and Kashmir, and Gilgit-Baltistan can expect temperatures 5 to 7°C higher than usual from May 15 to 19.