"I would like to see in this new visit by Mr Ross the hope of progress that could be achieved between the two parties, namely Morocco and the Polisario," Medelci told national radio.
The UN envoy began a tour of the region last month aimed at reviving direct peace talks between Morocco and the Algeria-backed Polisario Front separatists, after numerous rounds of UN-hosted informal negotiations failed to make any progress.
He held talks last week with Polisario officials and visited Sahrawi refugee camps in the western Tindouf region of Algeria, after meeting top Moroccan officials in Rabat and travelling to the Western Sahara towns of Laayoune and Dakhla.
Relations between Algeria and Morocco are hamstrung by the impasse over the conflict.
