ISLAMABAD: The Pakistan Meteorological Department (PMD) has forecast “widespread” rain and snowfall in northern parts of the country in the coming days, saying that a shallow westerly wave was likely to reach the upper regions on Friday.

The weather system is likely to strengthen from Jan. 20 and grip most parts of the country from Jan. 21, bringing rain, thunderstorm and snowfall to several areas, according to a PMD advisory. Gilgit-Baltistan, Azad Kashmir, upper Khyber Pakhtunkhwa, Murree and Galliyat will experience rain/thunderstorm with light to moderate snowfalls Jan. 16 till Jan. 20, with occasional gaps.

Widespread rain/thunderstorm is expected in these areas along with Islamabad, and Punjab’s Sargodha, Gujranwala, Lahore, Sahiwal, Multan, Faisalabad, Dera Ghazi Khan and Bahawalpur divisions, as well as KP’s Peshawar, Hazara, Malakand, Mardan, Kohat, Bannu, and Dera Ismail Khan districts on Jan. 20-23.

“Heavy snowfall is expected [in] Chitral, Dir, Swat, Kalam, Shangla, Kohistan, Battagram, Mansehra, Abbottabad, Murree, Galliyat, Neelum Valley, Bagh, Haveli, Rawalakot from 20th (night) to 23rd January with occasional gaps,” the PMD said.

Similarly, rain/thunderstorm is expected in Balochistan’s Quetta, Ziarat, Chaman, Pishin, Killa Abdullah, Killa Saifullah, Nushki, Harnai, Zhob, Kalat, Barkhan, Sibi, Loralai, Musakhel, Turbat, Gawadar, Jiwani, Lasbella, Kech, Awaran, Chaghi, Panjgur, Khuzdar, Washuk and Kharan districts on Jan. 21-22.

Karachi, Hyderabad, Dadu, Jacobabad, Naushero Feroz, Kashmore, Larkana, Shaheed Benazirbad, Mirpurkhas and Ghotki in Sindh are likely to receive rain with occasional gaps on Jan. 22-23.

“Moderate to heavy snowfall in (Quetta, Ziarat, Chaman, Pishin, Qilla Abdullah, Qilla Saifullah, Noushki, Harnai, Zhob) during the period,” the PMD said.

Heavy snowfall may cause road closures and slippery conditions in Naran, Kaghan, Dir, Swat, Kalam, Chitral, Kohistan, Mansehra, Abbottabad, Shangla, Astore, Hunza, Skardu, Murree, Galliyat, Neelum valley, Bagh, Poonch, Haveli, Quetta, Ziarat, Chaman, Pishin, Killa Abdullah, Killa Saifullah, Nushki, Harnai and Zhob, according to the PMD.

There is a possibility of landslides and avalanche in hilly areas of upper Khyber Pakhtunkhwa, Gilgit-Baltistan and Kashmir during this period.

“Tourists are advised to remain extra cautious and avoid unnecessary traveling during the forecast period,” it said.

“Fog condition is likely to diminish in Punjab, Khyber Pakhtunkhwa and upper Sindh during the wet spell. Day time temperatures are likely to drop significantly during the period.”