An open-top bus parade through Newport is due to begin at 6pm this evening.
The bus will leave Rodney Parade and travel along Corporation Road, Clarence Place and up to the Civic Centre for a drinks reception.
One Newport County fan Darren Broadribb says the celebrations haven't stopped since Sunday's victory.
More top news
Political Editor Adrian Masters looks back at an extraordinary year of change for Welsh politics
Research by Hybu Cig Cymru has found the tradition of families sitting down to a roast dinner is dying out, declining by 8.4% a year.
The Children's Commissioner has voiced his concern about the number of social worker vacancies in children's departments.