High pressure will return on Saturday. As this transition will take a while, we will have to deal with heavy morning cloud and new cumulus clouds in the afternoon and even occasional thundery showers cannot be excluded. But there will also be sunny spells.
On Sunday the sky will be partly clear, partly cloudy. During the second half of the day the risk of thunderstorms will be still present. On Monday we will see a mix of sunshine, clouds and locally thundery showers.