Heavy rain is likely to bring some disruption and possible flooding on Monday. What to expect: Homes and businesses could be flooded, causing damage to some buildings Delays or cancellations to train and bus services are possible Spray and flooding could lead to difficult driving conditions and some road closures Possible power cuts and loss of other services to some homes and businesses Some communities may be cut off by flooded roads Fast flowing or deep floodwater is possible, causing a danger to life Further details: A band of heavy rain is expected to move over south Wales between late Sunday and Monday afternoon. Whilst rainfall amounts will vary, some heavy and persistent rainfall is likely to fall over high ground, for example Bannau Brycheiniog. Rain should clear to the east during Monday afternoon. 20-30 mm of rain could fall quite widely across the wider region, but 60-80 mm is likely to accumulate over some windward-facing high ground in south Wales. Strong southwesterly winds will accompany the heavy rain, particularly in coastal areas. What Should I Do? Check if your property could be at risk of flooding. If so, consider preparing a flood plan and an emergency flood kit. Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary. People cope better with power cuts when they have prepared for them in advance. It’s easy to do; consider gathering torches and batteries, a mobile phone power pack and other essential items. Be prepared for weather warnings to change quickly: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.