A 26-hour status orange rain warning will be in place for Cork, Kerry, Wexford, Wicklow and Waterford from tonight.
Met Eireann says the five counties can expect disruption, while flooding is likely from 10pm tonight until the early hours of Thursday morning.
A similar status yellow alert will run in Carlow, Kilkenny and Tipperary from 10pm for 24 hours.
While Cavan, Monaghan, Dublin, Kildare, Louth and Meath will be under a status yellow warning from 4am tomorrow until midnight.
Study Reveals Wicklow Is Struggling With EV Charging Infrastructure
Wicklow In Top Five Counties For Hardest Workers In National Index
Status Orange Alert: Wind, Flooding and Hazardous Travelling Conditions Expected in Wicklow
Extra Care Urged as Heavy Rain Brings Flood Risk
Over €1 Million Secured For Outdoor Recreation Projects In Wicklow