All four of our Welsh regions play tomorrow, on the same day, on the same pitch. The Blues, Ospreys, Scarlets and Dragons will clash at the Millennium Stadium in what's being called 'Judgement Day'.
Dean Thomas reports
More top news
Updates on Swansea City, Cardiff, Wrexham and Newport County.
There will be some light rain but it's mostly dry with sunny spells developing.
The UK has experienced a 4.4 magnitude earthquake. The epicentre was Cwmllynfell near Pontardawe in the Swansea Valley.