Nicola Sturgeon is to make a statement to Holyrood about the prospect of a second independence referendum.
The half-hour statement on Wednesday afternoon will see the first minister “set out a path forward for Scotland amid the ongoing Brexit confusion at Westminster”, her spokesman said.
He also said Ms Sturgeon would “seek to strike an inclusive tone” in the “detailed and substantive” statement.
It comes days before the SNP conference, which opens on Saturday.
Ms Sturgeon updated her Cabinet on her thinking during a meeting on Tuesday morning.
She is said to have been given the approval of her Cabinet colleagues, but no further details of what she will say in her statement have so far been released.
Speaking to the media following the Cabinet meeting, Ms Sturgeon’s spokesman