Rescuers have handed out food by boat to stranded residents as large parts of southern Germany remain under water after floods that have claimed five lives.
Several people are still missing but police reported the rescue of a woman after she spent 52 hours in a tree she had climbed to escape the flood waters.
They said they had located the 32-year-old in the forest near Neu-Ulm, Bavaria, with the help of a drone and a helicopter.
In the southeastern city of Passau, on the border with Austria, large parts of the centre were submerged by the rising waters.
The city, located at the confluence of the Danube and the Inn, declared a state of emergency as the rivers burst their banks.
The city had prepared for rising waters on the Danube since Friday when the downpours that triggered the floods hit southern Germany, Passau mayor Jürgen Dupper told journalists.
The coincidence of unexpectedly high water levels on the Inn as a result of rains on Monday was a situation the city "cannot stand", Mr Dupper said.
"At the moment we can say there has been no human cost. That is very important news," he added.
Elsewhere, in the southern region of Bavaria, police reported a woman had died after becoming trapped in her car in the floods.
Rescuers were unable to reach the 57-year-old after she told responders her car had slid off the road and was filling with water.
Her death brought the number to have died to at least five, with officials in Bavaria saying another six were missing.
Three people were found dead in their basements following the floods, while one rescuer was thrown overboard when his boat capsized and died.
Thousands of people in the regions of Bavaria and Baden-Württemberg had to leave their homes as torrential rain from Friday sparked deadly flooding.
Rain continued to fall over the weekend into today, with districts across southern Bavaria declaring an emergency.
Some 60,000 rescuers were deployed to fight the flood and move people to safety.
Bavarian premier Markus Söder said the regional government would make at least 100 million euros of support available to flood victims.
