Bank Holiday Monday will bring a combination of sunny intervals and showers that could turn heavier with thunder, according to the Met Office.
Monday is set to offer the finest weather of the long weekend, following two days where festivalgoers endured rain and muddy ground in plastic ponchos.
The forecast follows heavy downpours on Sunday, when Bradworthy Common in Devon recorded 34.2mm of rainfall across 12 hours – exceeding a third of the county's average for the month of August.
A flood warning remained active for Spadesbourne Brook at Bromsgrove, Worcestershire, on Sunday evening, signifying expected flooding, while 15 additional areas were subject to Environment Agency (EA) flood alerts, meaning localised flooding remains possible.
Met Office senior operational meteorologist Dan Stroud said: “It’s another day of sunny spells and showers, a generally bright but cloudy start with sunny spells in the east, we will have some showers from the get-go in the west and they will become a bit more heavy, the odd rumble of thunder is possible.
“A drier and brighter end to the day.
“Monday promises to be the best of the three days, still showers around but a lot less than what we’ve seen.
“Tuesday across England and Wales promises to be reasonably fine with some lengthy sunny spells. It’s a different story across Scotland. we’ve got a band of cloud and rain.
“Wednesday, it changes, it goes downhill, turning cloudy and wet during the course of Wednesday, particularly across Wales and northern England northwards.”
It comes after music fans at Reading Festival donned ponchos and umbrellas, and frolicked in the mud after getting caught in downpours over the weekend.
While some were seen flinging mud at each other and playing in puddles, others hid beneath their plastic ponchos as they braved the poor weather conditions.
Elsewhere, the cricket at Lord’s in London was halted by the rain on Saturday.
Festivalgoers heading to Reading and Leeds, Creamfields and other live music events had previously been warned of unseasonably strong winds.
It comes after continued hot weather across the UK, which coincided with extremely dry conditions.
The Met Office has previously said the UK is on course for its hottest summer on record after five heatwaves, with temperatures of up to 38.1C recorded in London.
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