Newport County host Wrexham at Rodney Parade tonight - in an all-Welsh battle at the top of the Blue Square Bet Premier. Either side will go to the summit of the division tonight with a win, before current table-toppers Grimsby play tomorrow.
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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.