A dayslong deluge of rain finally subsided across the South and Midwest on Monday, but, like the extensive flooding that followed, the danger for many communities will be slow to recede.

Rivers rose and flooding worsened across the U.S. South and Midwest, threatening communities already damaged by days of storms that have killed at least 18 people.

Days of unrelenting heavy rain and storms that killed at least 18 people worsened flooding as some rivers rose to near-record levels Monday and inundated towns across an already saturated U.S.