Staff at the Ford plant in Bridgend are celebrating the news that they've landed a massive £24m investment. Half of that will be coming from the Welsh Government. The money will be used to start production of a new engine.
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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.