A large portion of the country was gripped by a drought and heatwave earlier this year, with Jacobabad, Sindh province, recording temperatures of 51 degrees Celsius.
Currently, the city is dealing with floods that have submerged homes and washed away bridges and highways.
Residents of Sukkur, which is around 75 km away, struggled to get around on muddy streets that were congested with debris brought in by the flood.
Student Aqeel Ahmed, 24, pointed to his chest and said to AFP, "If you had come earlier, the water was this high."
In order to oversee the flood response, Prime Minister Shehbaz Sharif postponed a trip to Britain and instructed the army to devote all available resources to rescue efforts.
Currently, the city is dealing with floods that have submerged homes and washed away bridges and highways.
Residents of Sukkur, which is around 75 km away, struggled to get around on muddy streets that were congested with debris brought in by the flood.
Student Aqeel Ahmed, 24, pointed to his chest and said to AFP, "If you had come earlier, the water was this high."
In order to oversee the flood response, Prime Minister Shehbaz Sharif postponed a trip to Britain and instructed the army to devote all available resources to rescue efforts.
He said on state television after travelling to Sukkur, "I have seen from the air and the devastation can't be stated in words."
"The water floods the towns, villages, and crops. This degree of devastation hasn't, in my opinion, occurred before."
The Pakistani military announced that every commissioned officer would pay one month's salary to a nationwide fundraising campaign.
Balochistan and Sindh in the south and west are the worst-affected regions, however this year practically all of Pakistan has been affected.
On Friday, pictures of flooded rivers destroying the structures and bridges built along their banks in the hilly north were making the rounds on social media.
A neighbouring dam burst, adding to the flood brought on by rain, forcing travellers in Chaman, the western frontier town bordering Afghanistan, to wade through waist-high water to cross the border.
A crucial bridge was damaged by a flash flood, according to Pakistan Railways, cutting off access to the adjacent city of Quetta, the capital of the Balochistan province, and suspending train operations.
The majority of mobile networks and internet services were unavailable in the province; the nation's telecoms body described the situation as "unprecedented."