Seeing multiple sources announcing this. Supposedly, Trump will have a call with Benjamin Netanyahu today and make the official announcement sometime tomorrow:
Reports @POTUS will tomorrow announce US Embassy in Israel WILL move from Tel Aviv to Jerusalem. Phone conference with Netanyahu today
— Kay Burley (@KayBurley) January 22, 2017
A poster is in Jerusalem celebrating the move (though this may have been up before and was wishful thinking at the time)
— Ladieanne (@ladieann) January 22, 2017
More to come as this news continues to break.