Met Iron issued a yellow warning to Cork and Kerry as heavy rain fell.
The new alert says up to 40 mm of rain is expected in both countries, with local flooding possible.
It was released at 7pm on Saturday and will take effect throughout the day from 9am on Sunday.
Meanwhile, the wind warning went into effect Saturday night from 11 a.m. and remained active until 6 a.m. Sunday.
Even worse weather is expected Sunday after Hurricane Aidan passed.
Met Ireland The Red Marine Gail warns and expects terrifying conditions to roam the coast all day.
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The prophet said: “Sunday blaster with bright or sunny mantras to begin with.
“However, it will rain in the morning and afternoon from the southwest and will sometimes be heavy and increase the risk of flooding.
“Southwesterly winds will continue to be fresh and strong across the southern hemisphere. Light will be moderate elsewhere.
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