The Met Office has issued a yellow "be aware" warning of ice for Denbighshire, Flintshire, Powys, Wrexham and Monmouthshire.
It says there could be difficult driving conditions in places.
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Not the nicest of starts to the new week, with a warning that some areas will see some very heavy rain today!
Corbyn and his allies have tried to overturn the NEC's decision on how new NEC seats for Scotland and Wales are chosen.
The 75-year-old has opened up about losing his wife Linda in April. He says singing has saved his life.