Leigh Halfpenny, who dislocated his right shoulder against England on Sunday, will undergo surgery tomorrow.
He is expected to be out for up to four months, the WRU says.
Rhys Webb has now been released from the National Squad following his ankle injury, and will be assessed by a medical team at the Ospreys.
More top news
The four candidates who want to lead the Labour party have visited Cardiff trying to persuade party members for support.
Australia's first female PM Julia Gillard has told ITV News Wales about sexist barriers in politics and her affinity to her native Wales.
Many eastern areas will see a fine morning with spells of sunshine, but showers will spread from the west by the afternoon.