More flooding? This article over at WPR makes a case for it in Wisconsin:
Climate change is projected to make the upper Midwest a wetter place as more frequent and intense rains hit the region. The summer of 2017 may have been a taste of what's in store for upcoming decades, as regular, heavy storms brought flooding to communities around Wisconsin. Across the continental United States, flooding has increased since the mid 20th century, creating costly damage while challenging local infrastructure and making it harder to plan for disasters.
Weather data and climate and research indicate that more intense and unpredictable storms will mean even more flooding around Wisconsin in the years ahead. At the same time, some areas of the state are experiencing rapid development of new buildings, road and parking lots, all of which impede natural and engineered water drainage systems during intense rainfall events.
Major floods may be mere abstractions to people until they actually happen. Given such difficulties in perception, researchers at the University of Wisconsin-Madison looked for a way to bridge the gap between already familiar storms and an uncertain future. A team led by UW-Extension stormwater specialist David S. Liebl and UW-Madison professor of civil and environmental engineering professor Kenneth Potter, now both retired, decided to approach this problem through computer modeling. ...
More rain, more development
In 2014, Liebl and Potter started sharing the results of their study. Their outreach included discussions with city of Madison and Dane County officials about how they could use the information to protect the area from the worst impacts of a catastrophic storm.
What this issue comes down to, Potter said, is not just what happens with storm sewers, but the choices communities make when paving new streets and constructing new buildings. When rain falls on a porous surface like soil, some of the water will seep into the ground, some will evaporate, and some will flow on the surface into nearby streams, lakes, and rivers. When rain falls on a hard, impervious material like an asphalt road or a rooftop, the water becomes what's known as runoff, traveling into storm sewers and surface water because it doesn't have the opportunity to soak into the ground."https://www.wiscontext.org/tool-weather ... rms-future
Photo of 2008 Wisconsin Dells Flood which this article says will be more common: