Heavy rain replaces warm and sunny weather for South Wales
A yellow weather warning is in place from 0800 on Monday until the night.
Hot and sunny weather across South Wales is being replaced by heavy rain.
A Met Office yellow weather warning is in place from 8am on Monday morning until just before midnight.
Forecasters warning of the possibility of flooding.
20-30 mm of rain is expected to fall widely with as much as 40-50 mm over some hills.