(CNN) The final vote to acquit President Donald Trump in his impeachment trial may be delayed until next week, according to Republican and Democratic sources.

At this point, it seems unlikely that a final vote to acquit Trump will occur Friday night, but definitive details of the Senate trial's timing remain extremely fluid.

Senate Majority Leader Mitch McConnell, a Kentucky Republican, is considering offering a resolution that would structure the final stages of the trial, which could include a final vote as late as Wednesday. This could change because a source familiar says the White House is pushing for a final vote Tuesday -- the same day as Trump's State of the Union address.

Asked when the final vote would be, Senate Minority Whip Dick Durbin, the second-ranking Democrat in the chamber, said: "Wednesday of next week. That's what McConnell is proposing."

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