The Prime Minister has confirmed that the Welsh Government will be given powers to raise their own income tax - subject to a referendum. Stamp duty on the purchase of homes and other property will definitely be devolved.
There will also be more powers for the Government here to borrow money for major construction projects like the M4 relief road.
Our Political Editor Adrian Masters reports on how we could pay some of our taxes direct to the Welsh Government in the future.
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Most places will see a dry, bright day with patchy cloud but also some warm sunny spells, and it'll be less breezy than on Friday.
Members of the RMT union are walking out for three days from today in a row over new trains causing disruption to bank holiday services.
The Bank Holiday is here! Which is usually a recipe for wet weather! Yes, we will get our fair share. But it's not all doom and gloom!