Swaths of Europe have been battered by deadly extreme weather, as rivers threaten to burst their banks in central Europe following torrential rainfall, and wildfires tear through Portugal.

The Polish city of Wroclaw and the German city of Dresden have begun preparations for flooding following a weather disaster that has killed 20 people. DW has the latest.

The mayor of Nysa, Poland, has urged all 44,000 residents to evacuate as severe floods have been battering central Europe over the past few days. Mayor Kolbiarz wrote: "Please evacuate your belongings,

As Storm Boris brought devastating floods to central and eastern Europe, skeptics on social media dismissed the role of climate change in making the deadly rainfall more intense. But scientists have established ties between a warmer atmosphere and torrential rain,

Based on estimates from local officials, the damage to infrastructure could reach a combined $10 billion in these two countries alone. Poland's finance minister said the $5.6 billion allotted from EU funds would cover some, but not all of the costs to recover from the floods.