A Status Orange rain warning has been issued for Cork and Waterford.
The alert is in place from 4pm Thursday until 6pm on Friday.
Met Éireann has said there will be persistent and heavy rain, leading to localised flooding, poor visibility and difficult travelling conditions.
Meanwhile a Status Yellow rain warning is also in place for Carlow, Dublin, Kildare, Kilkenny, Laois, Offaly, Wexford, Wicklow, Kerry, Limerick and Tipperary.
⚠️Status Orange - Rain warning for Cork, Waterford
From this afternoon (Thursday) to Friday evening, persistent and heavy rain will lead to localised flooding, poor visibility and difficult travelling conditions ☔️
⏰Valid: 16:00 Thursday 14/09/2023 to 18:00 Friday 15/09/2023 pic.twitter.com/RmSrNhIdxq
— Met Éireann (@MetEireann) September 14, 2023
Persistent rain in the southwest will spread northwards through the late afternoon and evening, heavy at times especially in Munster and Leinster with spot flooding likely.
Tonight will be wet in many areas with persistent and sometimes heavy rain with spot flooding - especially over Munster, Leinster and east Ulster.
Western and northern parts of Connacht and Ulster will be mainly dry.
Friday will continue wet with further spells of rain and some spot flooding over Munster, Leinster and east Ulster.
It will be drier to the west and north, with a few bright intervals and highest temperatures of 12 to 15C.