A Status Orange rain warning has been issued for Cork and Waterford, with heavy rain forecast for tomorrow and Wednesday.
Met Éireann said the rain is likely to cause difficult travelling conditions and there is also the potential for localised flooding across the day.
The alert will be in effect from 6am tomorrow until 6am on Wednesday.
A Status Yellow rain warning will also be in place for Clare, Kerry, Limerick, Tipperary, Kilkenny and Wexford, with spells of heavy rain and blusterly easterly winds at time.
The warning will be in place from 6am tomorrow until 6am on Wednesday.