The death toll is a sharp rise from Thursday’s figure of 21 people, Ibrahim Hussaini, head of the Niger State Emergency Management Agency, said, adding that some 3,000 houses were submerged in two communities in the north-central state.
Nigeria is prone to flooding during the rainy season, which began in April.
In 2022, Nigeria experienced its worst wave of floods in more than a decade which killed more than 600 people, displaced around 1.4 million and destroyed 440,000 hectares of farmland.
The flooding incident in Niger state occurred on Wednesday night and continued into Thursday morning, Hussaini said, with a number of people still in the water.
At least 120 people have died in floods caused by torrential rain in central Nigeria, officials have told the BBC.
The rainfall lasted for several hours, said the head of the Niger State Emergency Management Agency (Nsema), Abullahi Baba-Arah. He added that "surging flood water submerged and washed away over 50 residential houses with their occupants".
According to Nsema, the Tiffin Maza and Anguwan Hausawa districts of Mokwa town were worst affected Mokwa's District Head, Muhammad Shaba Aliyu, said it has been "60 years" since the community had suffered this kind of flooding.
"I beg the government to support us," Mr Aliyu said.
The search and rescue operation is still ongoing and many more people are still at risk, authorities say.A local fisherman told the AFP news agency that he has been left homeless.
"I don't have a house to sleep in. My house has already collapsed," Danjuma Shaba said.
This is the start of the rainy season in Nigeria.
Many parts of northern Nigeria experienced heavy rainfall and flooding in 2024 which caused deaths, displacement of people and destruction of houses and infrastructure.
The country also suffered severe flooding in 2022, which forced around 1.3 million people out of the homes and caused more than 600 deaths.
