This report contains pictures from FremantleMedia / Syco and Vertigo Films
Dancing dog Pudsey and his handler Ashleigh are in Cardiff for the Welsh premiere of a new film about him tonight.
They first wowed the nation in the auditions for Britain's Got Talent here in the city in 2012, on their way to winning the ITV talent show.
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.