Wales are narrowly in front after 40 minutes in Rome.
Leigh Halfpenny has kicked three penalties, but missed one more - with Kris Burton slotting two in reply for Italy.
Heavy rain made attacking rugby very difficult, and contributed to an error-strewn first half.
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Showers expected throughout the day especially in the north. Drier and brighter elsewhere but cooler than in recent days.
Most places will become dry overnight, although it will remain generally cloudy with patches of hill fog.
Police have told people in Pontypridd that the cordon around the rugby club could be in place until next week.