First Great Western have now confirmed that all planned main line services will run as timetabled, but passengers are warned to expect minor delays.
Commuters faced major delays to rail services this morning, following a landslide between Cardiff Central Station and Queen Street Station.
More top news
The heaviest bursts are expected in the south and east, with some western areas either remaining dry or becoming dry by dawn.
Many places will start dry, but rain in the southeast will spread to most for a time overnight.
The family of Isaac Nash who went missing after being swept out to sea last summer have presented a cheque for £10,000 to the RNLI.