The Provincial Disaster Management Authority (PDMA) in Punjab has warned of an extremely high-level flood in the Ravi, Sutlej and Chenab rivers until September 5.
According to sources, a high flood level currently persists at Ganda Singh Wala.
PDMA DG Irfan Kathia said a major flood wave in the Chenab River is moving towards south Punjab.
The flood wave is expected to reach Multan tonight from the Trimmu headworks, where the water flow is 516,000 cusecs.
The flood wave is expected to reach Head Mohammad Wala in Multan by evening. Explosives have been placed at designated points for deliberate breaches to help control the water flow.
Irfan Ali Kathia said that the district administration in Multan has been put on alert, and added that the next 2-4 hours were also critical at the Sidhnai headworks near Khanewal.
Given the situation, there are fears that thousands of people could be affected, he added.
More rains are also expected in the upper catchment areas of the rivers till September 3, raising the risk of urban flooding in Lahore, Gujranwala and Gujarat.
Meanwhile, the Chenab River continued to wreak havoc in Punjab as after flooding hundreds of settlements, the raging floodwaters have reached Jhang, submerging 200 villages.
In Muzaffargarh, the water level continued to rise steadily. In Bhawana tehsil of Chiniot, dozens of settlements have been submerged, while crops in Shujabad have also been inundated.
A flood wave of 800,000 to 900,000 cusecs is passing through the Trimmu headworks, posing a threat to over 400 villages.
Meanwhile, the flood situation in nine districts of Punjab is feared to deteriorate further following the release of water by India into the Sutlej River, posing threats to Kasur, Okara, Bahawalnagar, and Pakpattan.
The PDMA warned that the situation could also worsen in Vehari, Lodhran, Bahawalpur, and Multan.
After releasing water at Naina Kot, the floodwave has started moving towards Jassar and Shakargarh.
The water level at Maripattan in the Ravi River has risen further. There is also a major flood at the Balloki headworks and Sadhnai.
In Sahiwal, the collapse of the protective embankment led to flooding in dozens of villages.
An alert has been issued in nine districts of Punjab after the Indian High Commission in Islamabad informed the Pakistan government about a high-level flood in the Sutlej River.
There is a high-level flood at Harike and Ferozepur on the Sutlej River, affecting Kasur, Okara, Bahawalnagar, Pakpattan, Vehari, Lodhran, Bahawalpur, Multan, and Muzaffargarh.
At the Trimmu headworks, the flood has reached an extremely high level. Thousands of villages have been submerged by floodwaters, with crops and connecting roads underwater, and millions of people affected.
There is a high-level flood in the Sutlej River at Harike and Ferozepur, affecting Kasur, Okara, Bahawalnagar, Pakpattan, Vehari, Lodhran, Bahawalpur, Multan and Muzaffargarh.
