Heavy rain and isolated thunderstorms may cause some flooding during Saturday evening, overnight into Sunday. What to expect: There is a small chance that homes and businesses could be flooded, causing damage to some buildings There is a slight chance of power cuts and loss of other services to some homes and businesses Delays or cancellations to train and bus services are likely in flooded areas, along with difficult driving conditions more generally Further details: Areas of heavy rain with isolated thunderstorms are expected to arrive from the south during Saturday afternoon, becoming persistent in places and leading to some large totals building up, particularly on southeast facing areas of high ground. Many places are likely to see 20-30 mm, but some locations could see 50-75 mm in just a few hours. 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.