Torrential rains in Pakistan followed by flash floods have killed more than 25 people since Sunday.
Most deaths have been in Sindh and Baluchistan
More than 100 people have been injured and thousands have been made homeless as rains have continued in most parts of the country for a third day.
The BBC's Zaffar Abbas in Islamabad says it is the season's heaviest downpour, ending the dry spell of the last five years.
Bad weather has also caused deaths in India and Afghanistan.
More rain to come
In the southern Pakistani city of Hyderabad a 30-year record has been broken with 105 millimetres of rain in 12 hours.
The head of Pakistan's meteorology office, Qamaruz Zaman, says reports of heavy downpours have also been received from several other parts of the country.
He says more rain is expected in the country's northern region in the next couple of days.
While the rain has brought relief to farmers in most parts of the country, the continuous downpour has also caused widespread death and destruction.
Most of the deaths and injuries have been in the provinces of Sindh and Balochistan.
The floods have caused transport chaos
In the village of Gadab, about 40 kilometres (25 miles) from Karachi, six people were killed when their mud houses collapsed.
Another seven people were killed and 22 injured when a passenger bus was swept away in flash floods near the coastal town of Gwadar in Baluchistan.
Reports of death by drowning and electrocution have also come from a number of other cities and towns.
Relief and rescue teams have been despatched to some remote areas and officials say details are being collected to assess the real extent of damage to life and property.
In Afghanistan, three children were drowned in flood waters near the southern city of Kandahar, Reuters news agency reports.
Heavy snowfall has also resulted in the closure of the Salang Tunnel that links the capital, Kabul, to northern Afghanistan.
Three people have also died in bad weather in the Indian state of Gujarat.
Police say two women and a child were killed in two separate incidents when strong winds caused their houses to collapse.