Heavy rain has hit Santa Catarina state in southern Brazil since Friday, forcing 1,052 people to leave their homes and five towns to declare a state of emergency, officials said on Monday.
There were no reports of casualties, reported Xinhua .
Marcio Luiz Alves, Santa Catarina's civil defense director, said the number of towns to declare a state of emergency is likely to increase, as 18 have already reported incidents caused by the rain.
Alves said the municipalities of Nova Veneza and Ararangua were the most affected, and the level of the Ararangua River was 3.8 meters above normal.
The rain has also affected the BR-101 federal highway, which is likely to remain blocked for another three to four days, the civil defense department said.
On Sunday, about 130 tourists got stranded when trying to cross one flooded stretch of the highway. They were later rescued by motorboats and a helicopter.
Santa Catarina is still recovering from huge floods caused by a week of rain in late November. A total of 135 people died, six were reported missing, and more than 78,000 were forced to leave their homes.