Volunteers are needed to help fill sandbags at the Street Department maintenance facility, 701 Warren Barrett Drive, starting at 8 a.m. Thursday, May 2.
Volunteers are encouraged to bring gloves and water and must sign in to participate.
The National Weather Service is predicting a 28.8 crest in Hannibal Saturday, which would make it the third highest crest.
More information is available from City Hall, 573-221-0111.