Flooding on the Mississippi River continues to make its way south from Iowa, putting towns from Quincy to Grafton on alert.
With historic buildings, a post office and a dozen homes all in the path of the flood, Clarksville, Mo., 75 miles north of St. Louis, has more to lose than most.
For some, Dr. Martin Luther King Junior Day will be a day of service rather than a day off.
More than 400 volunteers are expected to take part in projects organized by AmeriCorps St. Louis and the City of St. Louis.
Brittany Ledbetter with AmeriCorps says they're hoping to foster volunteerism that will help the community long-term.
St. Louis Public Radio is a service of the University of Missouri-St. Louis.