That committee is expected to listen to Comey's testimony about the investigation into Russia's alleged election meddling previous year and Comey's private conversations with the president.
Legal experts have also said that the president likely undermined his ability to assert executive privilege by publicly discussing his dealings with Comey in tweets and interviews.
Comey's hotly awaited appearance on Capitol Hill comes as probes by the Justice Department and several congressional committees heat up.
Two administration officials say President Donald Trump is leaning against invoking executive privilege to try to block fired FBI Director James Comey from testifying about their private conversations.More news: Apple introduces 'HomePod,' first new product in years
On Thursday morning, JPR will broadcast NPR's special coverage of former FBI Director James Comey's testimony before the Senate Select Committee on Intelligence.
Comey's testimony probably will focus on the private meetings the former Federal Bureau of Investigation director had with Trump and subsequently chronicled in internal memos and recounted to associates who have divulged their contents to The Associated Press and other media outlets.
Comey probably will be asked about conversations he had with Trump concerning Russian election meddling and the FBI investigation into former national security adviser Michael Flynn. Senators plan to ask Comey about those memos on Thursday.
Putin again denied any Russian involvement in the US presidential election and any knowledge of Russian contacts with the Trump campaign.More news: Apple unveils 'HomePod' speaker, first new product in years
Executive privilege is a presidential power that stems from the idea that the commander-in-chief should be able to enjoy honest conversations with his aides and advisers. Separately, a group of supporters rallied near the White House to support the presidents decision to withdraw from the Paris climate accord.
"That committee hearing was just notice and I think, obviously, it has got to be reviewed", he said. He cant put somebody in jail for violating executive privilege, and he cant fire him, because hes already been fired..
White House spokeswoman Sarah Huckabee Sanders said the president's power to invoke executive privilege is "well-established". "Arguably, Trump has himself breached that confidentiality", Harvard Law professor Noah Feldman said in a Bloomberg op-ed. But she said Trump wanted to allow for a "swift and thorough examination of the facts" related to Comey's ouster and the multiple investigations into his campaign's possible ties to Russian Federation.More news: Pope pays tribute to 'martyrs' killed in Egypt attack