FORECASTS of thunderstorms which could bring torrential rain and lightning have prompted a weather warning ahead of next week's Glastonbury Festival.

The Met Office says the storms could strike between 3pm on Sunday and midnight on Monday into Tuesday, bringing possible flooding and disruption to travel.

The warning said: "There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds

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

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

READ MORE: Click here for Glastonbury Festival news
READ MORE: Click here for a full weather forecast

The Glastonbury Festival gates open at Worthy Farm, Pilton, on Wednesday morning, with more than 170,000 revellers expected to descend on the Somerset site.

The event has seen some muddy years in its 49-year history, with standout rainfall in 2005 among the most recent.

This is The West Country:
FANCY A DRINK?: Severe flooding occurred at Glastonbury in 2005. PICTURE: Paul Jones

This is The West Country:
SWAMPED: People lost possessions after the deluge on the Friday morning in June, 2005. PICTURE: Paul Jones