Although severe storms aren't in the forecast, rising river levels continue to threaten St. Louis communities.

Special to The New York Times ... ST. LOUIS, June 13. -- The town of Corning, Mo., is in danger of being swept out of existence by the flood of the Missouri River and Big Tarkio Creek.

Some parts of the country could see up to 20 inches of rainfall this weekend, causing catastrophic flooding, forecasters warned.

Nearly 30 tornadoes were confirmed after the first wave of the storm, which will extend into the weekend. Mud smeared streets in Nashville, while Memphis and nearby towns eyed the rising Mississippi ...