HEAVY showers and thunderstorms are expected across parts of North Wales, Shropshire and Chester this weekend, weather experts have said.

The Met Office has issued a  yellow weather warning for thunderstorms, which comes into force from 12noon on Sunday and lasts until 8pm.

Areas affected include: Denbighshire, Flintshire, Powys, Wrexham, Shropshire, Cheshire West and Chester.

A Met Office spokesman said: "Slow-moving showers and thunderstorms are expected to develop during Sunday afternoon. 

"Rainfall accumulations will vary significantly across the warning area but where showers become organised, there is the possibility of 20-30 mm of rain falling in an hour or less. 

"Frequent lightning and hail may also cause impacts.


"Spray and sudden flooding could lead to difficult driving conditions and some road closures.

"There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater and lightning strikes.

"There is a small chance that some communities become temporarily cut off by flooded roads.

"Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services.

"There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost."