Most places will be dry but there is the potential for slow-moving thundery downpours in places.
- There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater.
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train, bus and tube services, particularly during the evening rush hour.
- Spray and sudden flooding could lead to difficult driving conditions with the possibility of road closures
- There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost