The WRU Regional Age Grade Championship has also been hit with the Ospreys Under 16s clash against Blues North - due to be played on tomorrow - has been postponed. Subject to weather conditions it is proposed the game now be played on Wednesday 13th January.
Blues North have rearranged one of their previously postponed games, against North Wales, for this Sunday, at Abercynon. However, a decision on that game will be made later in the week if the cold snap continues.
The Dragons U16s v Scarlets game has also been called off.
The rescheduled Under 18 final between the Blues and Scarlets, due to take place at Aberavon tomorrow evening (Wednesday 6 January at 7.15) has had to be postponed due to the current weather and ground conditions.