Commuters have experienced disruption to rail services this morning following a landslide between Cardiff Central station and Queen Street Station.
Workers are desperately trying to fix the problem as tens of thousands of people are expected to descend on the Welsh capital this afternoon for the Olympic football Bronze medal match.
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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.