The UK Justice Secretary, Chris Grayling, says the prison which will be built in north Wales will be 'Britain's biggest'.
He says the announcement is a very important part of upgrading Britain's prisons.
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There'll be some outbreaks of rain in southern parts but for most it'll be staying dry with some bright or sunny spells.
Shaun Edwards says there'll be no room for complacency when Wales take on opponents they haven't lost against since 2007.
The first all-Wales annual report for respiratory services shows there has been a 10% drop in the number of deaths between 2013 and 2014.