Drivers are being advised to take extra care on the roads this morning, after flooding in parts of the country overnight.
Up to 50 millimetres of rain fell in areas of Leinster and east Munster.
Kilkenny is the worst affected - but there are also problems in Tipperary, Dublin, Cork, Wexford and Wicklow.
Several rivers have burst their banks and many brigdes are unsafe.
A number of homes have been evacuated in parts of south Wicklow and Freshford in Co Kilkenny.