Residents in the Kilganey area of Clonmel are being evacuated tonight - as the local authority prepares for the River Suir to burst its banks.
Level 3 of the Clonmel Flood Response Plan has now been activated.
Families are being moved to the Clonmel Park Hotel as a gathering point while alternative accommodation is organised.
Ger Walsh of Tipperary County Council outlines what's been happening:
Meanwhile residents in Kildare are also on the alert for flooding tonight.
It's as the ESB increases the flow of water through the Pollaphuca Reservoir.
The power company says it's due to very heavy rainfall in the last number of weeks in the River Liffey catchment area.
As a result there's a warning of flooding in all areas of the middle Liffey, in particular Kilcullen, Clane, Newbridge, Straffan and Celbridge.
And drivers are being urged to use common sense if they encounter flooded roads.
The advice is to never drive through water if you don't know how deep it is, and to never drive through flowing water as there's a danger of being swept away.
Many roads in parts of Munster and Leinster are still flooded.
The National Emergency Co-ordination group met in Dublin earlier to discuss the response to the ongoing adverse weather conditions.
Superintendent John Ferris from the Garda Press Office, says the force is being called to deal with vehicles getting into difficulty on the roads: