Riley said state offices will remain open Friday on the National Day of Mourning for former President Ronald Reagan.
Federal offices and major financial markets will be closed Friday.
Riley called Reagan one of America's greatest presidents.
The governor said he and First Lady Patsy Riley will attend the funeral service for Reagan Friday in Washington, D.C.
The governor said flags on state office buildings will continue to fly at half-staff through the national period of mourning for Reagan, which will end on July 5.