Wales lead Scotland 27-3, after a thrilling first half at the Millennium Stadium.
Liam Williams, George North and Jamie Roberts all crossed for tries, as Warren Gatland's side finally found their form in the Six Nations with some exciting attacking rugby.
Scotland full-back Stuart Hogg was sent off, after leading with his shoulder in a late challenge on Dan Biggar.
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Wales head coach Rob Howley admitted his side's performance 'simply wasn't good enough' against Scotland this afternoon.
It will be cloudy with outbreaks of rain at first, but most of the rain will clear by morning.
Despite leading at half time, Howley's men failed to score in the second half with Scotland racking up 20 points to seal the win.