At least 12 people, including three women and two children, were killed due to rains in Punjab and Khyber Pakhtunkhwa a private television channel reported.
Flights at Islamabad and Karachi airports were also cancelled and delayed sighting difficult weather conditions. The MET has forecasted the rains till Wednesday.
Reports of flooding in rivers and incidents of roof collapse and electrocution in Punjab and Khyber Pakhtunkhwa areas were witnessed aswell.
Roofs of mud houses caved in at Okara, D.G Khan, Bannu, Lakki Marwat, Hyderabad, Khanewal and other areas.
Four people drowned due to flooding in a rainwater nullah at Haripur tehisl of Abbottabad. Rescue teams saved the life of a woman while search of more survivors is underway.
Jalozai camp in Nowshera district of Peshawar, which hosts thousands of thousands of Afghan refugees in KPK province, was severely affected by rains and several mud houses collapsed in the area aswell.
rains also lashed at Malakand Division, Peshawar, Swat, Malamjabba, Muzaffarabad, Chakwal, Murree, Islamabad, Rawalpindi, many areas in Punjab and some parts of Sindh and Balochistan.
Light snowfall was recorded over hills in Kashmir and Gilgit-Baltistan areas.