At least 20 people were killed in weather-related fatalities this week, including tornadoes that destroyed entire neighborhoods.

Flooding worsened across the U.S. South and Midwest, threatening communities already waterlogged and badly damaged by days of heavy rain and storms that killed at least 23 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.