Met Ã‰ireann的Joanna Donnelly在接受RTÃ‰ News採訪時，警告那些周六晚上呆在會場的人，確保他們 "受到良好的保護，不受外界影響"。
An orange weather warning has been issued for 13 counties in the Republic of Ireland amid potential thunderstorms and lightning strikes.
Met Ã‰ireann said rainfall of up to 50mm is expected in Carlow, Kildare, Kilkenny, Laois, Longford, Offaly, Westmeath, Cavan, Donegal, Leitrim, Roscommon, Sligo and Waterford.
A yellow warning is in place for much of the country overnight on Saturday.
The yellow warning will come into affect at 01:00 and last until 10:00.
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The Irish weather service, Met Ã‰ireann, said "heavy rain will move northwards across much of the country tonight, clearing from the north and northwest on Sunday morning".
"Some torrential downpours are expected in parts, resulting in surface flooding. There is also the potential for thunderstorm activity and lightning strikes."
More than 70,000 people are expected at the festival in Stradbally, County Laois this weekend for the arts and music festival.
Speaking to RTÃ‰ News, Joanna Donnelly from Met Ã‰ireann warned those staying at the venue on Saturday night to make sure they are "well protected from the elements".
"It is overnight tonight that is going to see the period of the worst weather, with thunderstorms through the night, so if you are in a tent make sure you are well sealed up and well protected from the elements.