The Prince of Wales will visit Tata Steel's steelworks, meet employees and members of the community, before visiting the Blast Furnace Control Room and unveiling a plaque to commemorate the completion of the new Blast Furnace Number Four.
The Prince said Wales should be unbelievable proud of what has been achieved here.
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Ambulance bosses will give evidence to an Assembly committee about the service. Recent figures show the worst response times on record.
It'll be a chilly start, with some sunshine expected in the east. Drizzle expected, but a mild day.
A group of friends from Tonyrefail are campaigning to end gender bias in sport, by encouraging young people to try something new.