Franken says no final decision to resign, but Democratic sources expect he will
WATCH: The Minnesota senator has been accused of sexual misconduct by at least eight women.

In a short statement tonight, Sen. Al Franken's office is denying reports that he has made a final decision to resign his seat, however multiple Democratic sources in Washington and Minnesota tell ABC News that in an appearance tomorrow he is in fact expected to announce his resignation.

"No final decision has been made yet; he is still discussing with his family [and] still plans to give an announcement tomorrow," a spokesman in Sen. Franken's office told ABC News.

The senator's official twitter account tweeted a similar response on Wednesday evening.

More than three dozen U.S. Senators - including the Republican and Democratic leaders - have called on Franken to resign after two more women came forward today, joining six others, to accuse him of sexual misconduct.

The sources say Gov. Mark Dayton, a Democrat, is strongly considering appointing Lt. Gov. Tina Smith, also a Democrat, to Franken's seat, at least temporarily, should he resign.

ABC News' Ali Rogin, Aaron Katersky and Ben Siegel contributed to this report.