UPDATED FRIDAY 08:18*
HEAVY rain could hit the Isle of Wight over the coming days, according to a Met Office weather warning.
The Met Office has issued a yellow 'be aware' warning for heavy rain, in effect from 4am tomorrow (Friday) until 9pm on Saturday.
"Showers will become heavy and thundery across southwestern parts of England and Wales early on Friday, moving northeast to affect other areas south of The Wash to North Wales during the day.
"Some reduction in activity is expected overnight, before further slow moving heavy and thundery downpours develop during Saturday, easing from the north later.
"The public should be aware that the resulting downpours may lead to localised flooding and potential disruption to transport and outdoor events," the Met Office said.
The County Show, Ryde Mardi Gras and All at Sea beach festival are due to take place this weekend.
The chief forecaster said: "A slack area of low pressure is expected to extend eastwards across southern UK on Friday and Saturday, bringing with it moist and deeply unstable air. Daytime heating will assist the development of heavy showers and thunderstorms.
"These are likely to become slow-moving and organised into bands giving some places 15-20 mm of rain in an hour or less and perhaps 40 mm in 2 or 3 hours. Hail and lightning will be additional hazards. As with the nature of showers, some places will escape the heavier ones."
*Jamie Russell of local forecasters IOW Weather predicted better conditions however.
"From all the data I have looked at I can see nothing more than a few showers at first on Friday morning and again during the morning of Saturday.
"There will be sunny spells and patchy cloud, a cool breeze from the west southwest, but it will be pleasant enough.
"Saturday evening may see a few heavier showers push down from the northwest, but they will be short lived.
"Sunday may also see a few showers, especially between midday and 6pm but nothing to worry about."
Although there could be the odd heavier shower, Jamie said it would be mainly dry and quite sunny on Saturday.