Gov. Haley Barbour said Thursday that state and local emergency agencies were continuing to conduct damage assessments. He said National Guard troops are assisting in some areas, including Smithville in Monroe County where 13 deaths have been reported.
The Mississippi Emergency Management Agency said the death toll from violent storms Tuesday and Wednesday is now at least 32.
MEMA officials say there have been more than 120 injuries.
Damage was reported in 50 counties across the state and the Mississippi Band of Choctaw Indians of more than 230 homes and 20 businesses damaged.
U.S. Sen. Roger Wicker, R-Miss., said he hopes for speedy action on the disaster declaration request.