Carwyn Jones told AMs on the Scrutiny of the First Minister Committee that there will inevitably be times when the UK and Welsh Governments disagree about how much power Welsh ministers have. But he said he hoped those occasions would be 'infrequent.'
He was asked by Liberal Democrat AM Eluned Parrott about a recent decision by the UK Attorney General to refer the Welsh Government's first bill to the Supreme Court.
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Heavy rain likely across some of the hills and western slopes in particular.
Kyle Vaughan was last seen on 30th December 2012. His parents Alan and Mary say all they want for Christmas is to lay him to rest.
People in Wales are being forced to take temporary work as there are too few permanent jobs being created, according to Wales TUC.