According to the PMD, rain-wind/thundershowers are likely to affect Upper and South Punjab, the Potohar region, Southeastern Sindh, Northeast and South Balochistan, Kashmir, and Khyber Pakhtunkhwa.
In the capital, partly cloudy conditions with rain-wind/thundershowers are expected on both Thursday and Friday, with a 40% probability on both days.
Heavy rainfall is possible at isolated locations in Upper Punjab and Southern Balochistan on Thursday. On Friday, the heaviest downpours are expected to shift towards Kashmir and Southern Balochistan, the agency said.
Read: 19 swept away as Swat River surges dangerously after heavy rains
In Sindh, mainly hot and humid weather is forecast for most districts, though Tharparkar, Umerkot, Mithi, Thatta, Badin, Sanghar and Mirpurkhas may experience scattered rain and thunderstorms. Karachi and other coastal areas may also receive light rain on both Thursday and Friday.
In Punjab, rain-wind/thundershowers with isolated heavyfalls are forecast at scattered locations in Murree, Galiyat, Rawalpindi, Jhelum, Attock, Chakwal, Gujrat, Gujranwala, Sialkot, Narowal, Lahore, Sheikhupura, Kasur, Mianwali, Khushab, Sargodha, Mandi Bahauddin, Bhakkar, Noorpur Thal, Okara, Sahiwal, Pakpattan, Dera Ghazi Khan, Multan, Khanewal, Bahawalnagar, Bahawalpur, Rahim Yar Khan and surrounding areas.
On Friday, similar conditions are expected across the same districts, excluding Rahim Yar Khan,
At least 64 people have died and 117 others were injured due to flash floods and in rain-related incidents across Pakistan over the past week, the National Disaster Management Authority (NDMA) said on Wednesday.
The highest number of fatalities was reported in Khyber Pakhtunkhwa, where 23 people were killed, including 10 children
Monsoon alert issued
In a press release issued on July 2, PMD had warned that monsoon activity would intensify from the evening of July 5, with a westerly wave expected to approach upper parts of the country by July 6.
According to the advisory, heavy to very heavy rains are likely to cause flash flooding in local streams and nullahs in Murree, Galliyat, Mansehra, Abbottabad, Dir, Swat and Kohistan, as well as parts of Islamabad, Rawalpindi and Northeast Punjab from July 5 to 8.
The PMD also warned of urban flooding in low-lying areas of Lahore, Gujranwala, Faisalabad, Sialkot, Sargodha, Nowshera, and Peshawar between July 6 and 8, while landslides and mudslides are possible in hilly regions of Khyber Pakhtunkhwa, Murree, Kashmir, and Gilgit-Baltistan.
The department advised farmers, travellers, and local authorities to remain vigilant and take preventive measures, adding that weak structures and billboards could also be vulnerable to damage during strong winds and heavy rain.