KANSAS CITY, Mo. (AP) — Rain swamping the nation's midsection forced people from their homes in Kansas, stranded dozens of Texas children at school overnight and strained levees along the surging Mississippi River in Illinois, Missouri and elsewhere Wednesday prompting yet more flash flood concerns.

The flooding began in earnest in March, causing billions of dollars of damage to farmland, homes and businesses across the Midwest. Rivers in many communities have been above flood stage for more than six weeks following waves of heavy rain.

Some parts of Kansas received up to 10 inches (25 centime...