The Pakistan Meteorological Department (PMD) on Sunday said a westerly wave would enter Balochistan from Iran starting a new spell of rains across the country from Monday (tomorrow).
The northwestern districts of Balochistan along with many parts of Khyber-Pakhtunkhwa have received more rains and snowfall, intensifying the cold wave in the country.
According to the Met Office, Quetta, Ziarat and adjoining areas received almost six inches of snow and it was likely to continue.
Heavy rainfall is expected in the plains of Balochistan on Monday.
The heavy snowfall may disrupt normal life and vehicular movement in these areas. The Met Office has further warned that rains might cause flash flooding in nullahs in Quetta, Qila Abdullah, Harnai, Chaghi, Sibbi, Mastung and Bolan districts.
The Provincial Disaster Management Authority has asked the district administrations to take precautionary measures.
Dera Ismail Khan and northern and southern Waziristan continued to receive rain and snowfall since Saturday night.
Snowfall in Wana, Azam Warisk, Shah Almal, Shakai valley, Raghzai and Pak-Afghan border Angor Ada disrupted traffic and blocked roads connecting to various parts of the country.
The accumulation of snow on the road leading to Lowari tunnel has left the travellers stranded.
Dera Ghazi Khan in southern Punjab and mountainous areas of Suleman range continue to receive light showers.
The Met Office has forecast a cloudy and cold weather with chances of rain in Bahawalpur during the next 24 hours.
Karachi is expected to receive light rain on Monday night, the Met Office said.
Rain is also expected in other districts of Sindh including Dadu, Shaheed Benazirabad, Larkana, Sukkur, Jacobabad and Shikarpur.