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Network Rail and Arriva Trains Wales say the new Loughor Viaduct will carry improved train services to West Wales.
It will carry two tracks between Swansea and Llanelli instead of the previous one.
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Charlton Athletic were left red-faced when the club showed a face of Alan Campbell during a minute's applause for Graham Moore.
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.