The extended Qatar deadline gives the country 48 hours to comply with demands made by the group.
"We hope for a positive response to be able to resolve the crisis", Mr Al Jubeir said. The allegation has been rejected by Doha as "baseless".
While Trump has largely echoed the concerns of the blockading nations, his secretary of state, Rex Tillerson, has called for an end to the blockade, which he said has hurt us interests in the region.
Waleed Abdulkarim Al-Hurayji, Saudi ambassador to Turkey has revealed that his country and other boycotting countries suspended ties with Qatar because the tiny emirate failed to fulfil several agreements reached with other members of the Gulf Cooperation Council (GCC).
President Donald Trump said "interesting things are happening" in the Middle East Monday after speaking with the leaders of Saudi Arabia and Qatar, the two principal rivals in the region's deepening Gulf crisis.
Missing Chinese grad student Yingying Zhang feared dead, Federal Bureau of Investigation arrests man
Video from a security camera on the university campus showed her climbing into a vehicle and being driven away. He continued teaching as a graduate assistant and earned his master's degree in mid-May.
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Which areas have been affected? Closures - Highway 143 is closed from the cemetery in Parowan to milepost 50 outside of Panguitch. According to Denver meteorologist Ed Greene, "fire danger is very high with gusty winds and low humidity".
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Treasury Secretary Steven Mnuchin announced that the US has sanctioned two Chinese citizens, a shipping company, and a bank. It cited a United Nations expert panel as saying the company has violated a ban on trade in luxury goods with the North.
The United Arab Emirates have suggested that there will be immediate moves to permanently isolate the Qataris.
The same day, Qatar hands its response to the emir of Kuwait, but does not reveal its contents.
Qatar's response to the demands was handed by the foreign minister Sheikh Mohammed bin Abdulrahman Al Thani to Kuwaiti emir Sheikh Sabah, as worldwide pressure continued for the crisis to be resolved. In a conversation with reporters in Rome, Sheikh Mohammed bin Abdul Rahman al-Thani said that the Doha meeting is ready to hear complaints from his Arab neighbours.
Foreign ministers of Egypt, Saudi Arabia, the United Arab Emirates (UAE) and Bahrain will meet in Cairo Wednesday to discuss the Qatari crisis, China's Xinhua news agency reported an Egyptian Foreign Ministry spokesman as saying on Monday.
A U.S. state department official said on Sunday that Washington encourages "all parties to exercise restraint to allow for productive diplomatic discussions".
Riyadh and its supporters have already severed air, sea and ground links with Qatar, cutting off vital routes for imports including food. The list of demands includes turning over individuals wanted for involvement in terrorism along with no longer funding terrorist groups - defined as those on the United States State Department's list of terrorist nations.
Three days later, the UAE foreign minister says a blockade of Qatar could last "years".