Kuwait's Foreign Minister Sheikh Ahmad Nasser Al-Mohammad Al-Sabah will visit Beirut on Saturday, in the first such visit by a senior Gulf official since a diplomatic spat last year.
In October, Kuwait, alongside Saudi Arabia and Bahrain, expelled Lebanese diplomats and recalled their own envoys following a minister's critical comments about the Saudi-led military intervention in Yemen.
Sheikh Ahmad would meet Prime Minister Najib Mikati's in the evening, the prime minister's office said in a statement.
The Gulf Cooperation Council had called on Lebanon in December to prevent the Iran-backed Hezbollah group from conducting "terrorist operations", strengthen its military and ensure that arms were limited to state institutions.
Sheikh Ahmad is expected to meet Hezbollah allies President Michel Aoun and Parliament Speaker Nabih Berri on Sunday, according to Lebanese official sources.
Aoun and Mikati have called for dialogue with Saudi Arabia to resolve the diplomatic crisis, which has piled onto an economic meltdown now in its third year.
Qatar's prime minister said on Sunday that efforts to reach a new ceasefire in Gaza have made some progress but an agreement between Israel and Hamas to end the war remains elusive.
A huge blast most likely caused by the explosion of chemical materials killed at least 18 people and injured more than 700 on Saturday at Iran's biggest port, Bandar Abbas, Iranian state media reported.
The UN Refugee Agency (UNHCR) and the UN Office for the Coordination of Humanitarian Affairs (OCHA) have sounded the alarm over severe funding shortfalls that are hindering life-saving humanitarian aid in countries including Nigeria, Burundi, and Colombia.
A number of people were killed and multiple others were injured in Vancouver after a vehicle drove into a crowd at a Filipino street festival in the western Canadian city, police said on Saturday.