“Strong monsoon currents are likely to penetrate from the Arabian Sea in upper parts from July 27 night and likely to penetrate central and southern parts from July 29,” the PMD said in a statement on Friday.

Under the influence of the weather system:

Rain wind and thundershower (with few heavy falls) are expected in Azad Jammu and Kashmir’s Neelum valley, Muzaffarabad, Rawalakot, Poonch, Hattian, Bagh, Haveli, Sudhanoti, Kotli, Bhimber, Mirpur from Saturday to Wednesday with occasional gaps.

Similar kind of weather is expected in Islamabad/Rawalpindi, Murree, Galliyat, Attock, Chakwal, Tala Gang, Jhelum, Mandi Bahauddin, Gujrat, Gujranwala, Hafizabad, Wazirabad, Sahiwal, Jhang, Toba Tek Singh, Nankana Sahib, Chiniot, Faisalabad, Lahore, Sheikhupura, Sialkot, Narowal, Okara, Pakpattan, Kasur, Khushab, Sargodha, Bhakkar and Mianwali from Sunday to Wednesday.

Rainfall is expected in Bahawalpur, Bahawalnagar, Dera Ghazi Khan, Multan, Khanewal, Lohdran, Muzaffargarh, Kot Addu, Rajanpur, Rahimyar Khan and Layyah from July 29 to 31.

Khyber Pakhtunkhwa’s Dir, Swat, Kohistan, Malakand, Bajaur, Shangla, Battagram, Buner, Kohat, Bajaur, Mohmand, Khyber, Mansehra, Abbottabad, Haripur, Peshawar, Swabi, Nowshera, Mardan, Charsadda, Hangu, Kurram, Orakzai, Waziristan, Bannu, Lakki Marwat and Dera Ismail Khan also expects more rain from July 28 to 31 with occasional gaps.

“Mainly hot and humid weather is expected in most districts of Balochistan,” said the PMD. Rain is expected in Khuzdar, Kalat, Lasbella, Awaran, Panjgur, Ketch, Ziarat, Zhob, Barkhan, Musa Khel, Shirani, Kohlu, Harnai, Naseerabad and Jaffarabad from Monday to Wednesday.

“Mainly hot and very humid weather is expected in most districts of Sindh,” said the Met Office. Rain is expected in Mithi, Sanghar, Umarkot, Tharparkar, Mirpur Khas, Thatta, Badin, Sajawal, Karachi, Hyderabad, Shaheed Benazirabad, Sukkur, Larkana, Jaccoabad and Dadu on July 29 and 30 with occasional gaps.

Partly cloudy to cloudy weather condition is expected in Gilgit-Baltista, however, rainfall is also expected in Diamer, Astore, Skardu, Gilgit city, Ghanche, and Shigar on July 28 and 29.

The PMD has warned that heavy falls may generate flash flooding in nullahs/streams of Murree, Galliyat, Mansehra, Kohistan, Dir, Swat, Shangla, Bunner, Kurrum, Orakzai, Khyber, Mohmand, Nowshera, Swabi, Islamabad, Rawalpindi, Northeast Punjab, Hill torrents of DG Khan and Kashmir from Sunday to Tuesday.

Heavy rain might also cause urban flooding in low-lying areas of Rawalpindi, Gujranwala, Lahore, Sialkot, Sargodha, Faisalabad and Peshawar during the above mentioned dates.

Landslides may disrupt roads at the vulnerable hilly areas of KP, Murree, Galliyat, Kashmir and GB during the wet period.

Heavy downpours and windstorms and lightning might affect daily routines, weak structures like roof/wall collapse of substandard houses, electric poles, billboards, vehicles and solar panels etc during the period.

“Farmers are advised to manage their activities keeping in view the weather forecast. Travellers and tourists are advised to remain extra cautious and manage their travelling according to weather conditions and avoid any untoward situation during the wet spell.”