Newport Gwent Dragons and the Cardiff Blues are in action tonight in the RaboDirect PRO12.
Connacht v Dragons - 17:00
Munster v Blues - 19:30
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Low cloud will bring murky conditions with extensive hill fog.
The team, which is manned by volunteers, will operate out of Pontardawe Fire Station in partnership with Mid and West Wales Fire Service.
Dan Biggar has no doubt that Wales remain flrmly in the Six Nations title mix ahead of next Saturday's clash against Scotland.