A party spokesman said he would also speak about this week's visit by President Jacob Zuma's facilitation team and the roadmap to a free and fair election.
Tsvangirai is also expected to denounce the increase of state-sponsored violence across the country and the Constitution-making process.
The rally comes a week after police in Matebeleland North province disrupted the PM’s rallies in Lupane and Victoria Falls, although they had been sanctioned by the High Court.