John Osmond, Director of the Institute of Welsh Affairs, told us "Cardiff Airport is in the wrong place in relation to the population of the region."
The think tank has acknowledged that Bristol Airport is more successful, but argues that neither existing airport is in an ideal location, or has good enough regional transport links.
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Heavy, thundery showers will clear northwards through the morning, allowing it to turn mostly dry and bright for many.
Some locally heavy showers are possible overnight, particularly in the east, where some thundery downpours are possible.
Wayne Pivac praised Scarlets' attacking style as they secured the Guinness PRO12 title with a stunning 46-22 success against Munster.