A yellow weather warning has been issued for rain and a further one for thunderstorms - sparking a chance of "danger to life".
The warning for rain will be come into force from 12am on Friday to 11.59pm, with this warning comes the chance for homes and commercial buildings to be affected by flooding.
The Met Office have also said that there is a small chance of rather fast flowing or deep floodwater - sparking the danger to life.
Where flooding occurs, there is a slight chance of delays or cancellations to train and bus services.
Spray and flooding has the potential to lead to difficult driving conditions and some road closures.
There is a small chance that some communities become cut off by flooded roads