The Meteorological Office informed Thursday that a westerly wave is likely to enter the country on Saturday and is likely to reach upper parts of the country by Sunday.

During the weekend, rain with snowfall is expected in Quetta, Zhob, Ziarat, Barkhan and Qila Saifullah. Rain with snowfall in hilly areas is also expected in Gilgit-Baltistan, Kashmir, Chitral, Dir, Swat, Shangla, Buner, Kohistan, Mansehra, Abbottabad, Haripur, Kohat, Peshawar, Kurum, Bannu, Waziristan, D I Khan, Islamabad, Potohar region, Gujranwala, Lahore, Sargodha, Jhang, Sialkot until Monday morning.

Light rain is also expected in Multan, Sahiwal, Okara, D G Khan, T T Singh, Faisalabad, Bhakkar and Layyah on Sunday.

Murree, Galliyat, Dir, Sawat, Kohistan, Shangla, Mansehra, Astore, Hunza Valley, Neelum Valley, Bagh and Rawalkot may receive good snowfall during the period.

Cold wave conditions are likely to grip upper parts of the country. Foggy conditions may intensify in plain areas of the country with frost in Potohar region and adjoining areas after this wet spell.