I’m thinking tomorrow... hoping for NOW
The House panel this week voted along partisan lines to release the memo. Trump has until the weekend to decide whether to make it public.
Controversial Republican Memo to Be Released Quickly: White House Official
Even that statement is a half-truth. The committe and the House control whther or not the material is disclosed to the public. If the president personally objects to the release, in writing, and certifies that threat to the national interest of the United States posed by the disclosure is of such gravity that it outweighs any public interest in the disclosure, then the committee can still pursue public disclosure.
However, a Friday morning "breaking news" event would excite the talking heads so much they wouldn't be able to stop themselves from talking about it.