The decision comes following their 4-0 defeat at St Mirren on Wednesday.
Mowbray won 17 of the 30 league games played since his arrival from West Brom last summer.
Celtic are currently 10 points behind Scottish Premier League leaders Rangers.
The decision comes following their 4-0 defeat at St Mirren on Wednesday.
Mowbray won 17 of the 30 league games played since his arrival from West Brom last summer.
Celtic are currently 10 points behind Scottish Premier League leaders Rangers.
