Sunday's Pool A fixture in Yokohama was under threat of cancellation due to the severe storm, but it will take place.
It was another game and another win for Lyon in Top 14, where Castres were defeated by Toulouse on Saturday.
Typhoon Hagibis has caused the cancellation of another Rugby World Cup fixture, with Namibia and Canada's contest no longer going ahead.
Scarlets made it three from three in Pro14 on Sunday as Glasgow Warriors earned a first win of the season.
Joe Schmidt is not optimistic Bundee Aki will avoid a ban but Samoa coach Steve Jackson wants a judiciary to "see some sense".
Ireland head coach Joe Schmidt said it was "hard to argue" with Bundee Aki's red card but was keen to see the incident again.
Ireland will face New Zealand or South Africa in a Rugby World Cup quarter-final after hammering Samoa despite Bundee Aki's red card.
Shaun Edwards is optimistic Jonathan Davies will be fit for Wales in next weekend's quarter-final.
Typhoon Hagibis continues to cast doubt over Scotland's crucial Rugby World Cup game against Japan.
Friday's Pro14 fixtures saw a trio of easy victories as the Cheetahs, Leinster and Connacht all won by big margins.
It has been a case of the storm before the storm in Japan, where Typhoon Hagibis is threatening to derail Scotland's Rugby World Cup.
Kurtley Beale played just 13 minutes of Australia's win over Georgia, but Michael Cheika says his head injury is not serious.
Struggling Canada are wary of another tournament defeat as Namibia bid to end a 22-game, 20-year Rugby World Cup losing streak.
Wales head coach Warren Gatland declared "the door is not shut" for quarter-final selection ahead of their last Pool D game.
If the weather holds up in Osaka, Siale Piutau will hope to celebrate his birthday with a record-breaking appearance for Tonga against USA.
Scottish Rugby is weighing up taking legal action to make sure the game with Japan goes ahead, but World Rugby has hit back.