Strong wind gusts of up to 80mph are expected in some areas, the Met Office says.
Prince Harry and fiancee Meghan Markle will visit Cardiff Castle and a community group on Thursday.
Plaid Cymru said Neil McEvoy was being expelled due to an "irrevocable breakdown of trust".
Cardiff City manager Neil Warnock is relishing the prospect of playing "the best team in the world," in the FA Cup fourth round when Manchester City visit the Cardiff City Stadium.
Northampton wing George North is aiming to give Warren Gatland a fitness boost this weekend ahead of the Six Nations.
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