Met Éireann has issued a Status Yellow rainfall warning for the south of the country, with up to 40mm of rain expected in places and spot flooding likely.
The rainfall warning was issued for four counties, namely: Wexford; Cork; Kerry; and Waterford. Issued today, Friday, September 27, the warning will be valid from 2:00pm tomorrow afternoon through to 5:00am on Sunday morning.
In an update issued this afternoon, the national meteorological office issued a separate Status Yellow rainfall warning for Co. Donegal, valid from 8:00pm tonight.
In the north-west country, there will be heavy rain this evening and early tonight with some spot flooding, and totals of 20 to 30mm, the forecaster warned. The alert will be valid until 2:00am tonight.
Meanwhile, for the rest of the country, today will see sunny spells and scattered showers take hold for the rest of the day.
Highest temperatures will range from 13° to 16° with moderate to fresh, gusty southwest to west winds. Tonight will begin with clear spells but heavy or prolonged showers will spread eastwards across the country overnight.
Tomorrow will see sunny spells and scattered showers during the morning.
In the afternoon, persistent or heavy rain will develop in the south and will spread over Munster and Leinster in the evening.
Tomorrow night will be wet with persistent or heavy rain over Munster and Leinster with the risk of spot flooding.