The club has called a news conference for this afternoon and it is believed they will announce they have acquired the Dutch striker, who has been unsettled at Celtic Park for some time.
Forest, who have scored only one goal in their last seven League and Cup games, have been searching for new players since the pounds 16.5m takeover of the club a fortnight ago.
It is thought that Forest are trying to hurry through the deal so that van Hooijdonk can make his debut against Blackburn Rovers at Ewood Park tomorrow night.
Manchester United have taken the Israeli international Gadi Bromer on trial with a view to him making a permanent move to Old Trafford. The 23-year-old defender is valued at pounds 2m by his club, Maccabi Tel Aviv, and is reported to be a lifelong United supporter.
Paul Gascoigne yesterday confirmed that he will stay at Rangers - if offered a acceptable terms. Rangers want the 29-year-old England midfielder to sign a new contract after speculation that he would move south of the border.
He also revealed that he could soon be back in training after his ankle injury. The England coach, Glenn Hoddle, was disappointed to learn that Gascoigne's ankle may remain in plaster for another fortnight - possibly making him miss the World Cup qualifier against Georgia next month.Reuse content