The National Emergency Co-ordination Group has urged the public to be vigilant over the coming days as further flooding is possible with persistent rain forecast to fall on already saturated ground.
Clean-up operations are continuing amid the threat of more rain in some of the worst-affected towns, like Enniscorthy and Aughrim, and areas in south Dublin.
It comes as Met Éireann issued a fresh Status Yellow rainfall warning for counties Carlow, Dublin, Kilkenny, Louth, Wexford, Wicklow, and Waterford.
The forecaster has warned of further heavy rain and showers falling on saturated ground.
Combined with high river levels, it has warned this could lead to river flooding and difficult travel conditions.
The warning is in place from 9am tomorrow until midnight.
The UK Met Office has also issued a Status Yellow rainfall warning for counties Antrim, Armagh, Down, Fermanagh, Tyrone, Derry, from midnight until 6pm tomorrow.
The NECG met this afternoon to assess the continued clean-up as a result of Storm Chandra. Localised flooding will continue to be a risk, it said, because of saturated ground conditions and high river levels, with those in the east, northeast and southeast most at risk.
NECG Chair Keith Leonard this evening said they are working with councils to prepare for what he said was "unfortunately another difficult day tomorrow in terms of rainfall".
Speaking on RTÉ's Six One, he said he hoped the impact "won't be as severe", but that emergency crews remain on standby.
Minister of State with responsibility for the Office of Public Works, Kevin Boxer-Moran visited areas in Dublin, Wicklow and Wexford that were worst affected by flood damage.
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Mr Moran is to examine installing interim flood prevention measures in Enniscorthy, which was badly hit as the River Salney burst its banks.
He said such plans could include flood barriers, the possible widening of the river in places, and the pumping of water, but that any measures would be subject to the approval of consultants and engineers.
He added that a long-awaited more permanent flood prevention scheme for the town would have to be allowed the time necessary to go through the full planning process.
Mr Moran also said he would work with South Dublin County Council to identify the source of flooding in Rathfarnham, which was also badly hit as the River Dodder burst its banks.
Residents in the area expressed anger at the lack of immediate support available in response to the flooding when meeting the minister.
Watch: Council to investigate Rathfarnham flooding, says Moran
One resident said that they received "no help whatsoever", adding "we were totally on our own". "It was a real sink or swim," she said.
Mr Moran said no stone will be left unturned when it comes to finding out what happened in recent flooding events.
In Aughrim in Co Wicklow meanwhile, one woman said her whole house became flooded in the space of 20 to 30 minutes.
Elaine Byrne said she had not experienced such flooding in the area, stating that a local pitch had been turned into a "river".
"This was horrendous. Water came in everywhere - it was under walls, in through windows."
Asked about the extent of the damage, Ms Byrne said: "Everything is gone. Every single thing that we had. There's one unit in the sitting room, and now the water dripping at the bottom of it and it has to go.
"The kitchen - most things are gone, the legs on the table are starting to swell, the chairs are starting to swell and all the appliances on the ground are gone because it was sewerage water flowed in as well."
Ms Byrne said "there's nothing that can be salvaged" as the water level was halfway up the radiators.
She has now been advised not to stay in the house which she has lived in for 18 years.
"It is heartbreaking to see all the things I built up over the years - and it's gone," she said.
She said Mr Moran saw the damage and commiserated with her, but she said the Government had to do "something drastic" to support affected homeowners.
"What's the point in us doing the house up if it happens again. I'm afraid to leave the house in case it (happens) again - you can't just leave the house filling with water."
Mr Moran said he wanted to assure those affected that "Government is here to support" them.
"Whatever is to be done will be done to alleviate the problem," he said.
"There's an awful lot of rain coming. I can't say where it's going to hit, but it's going to hit somewhere, and it's coming fast.
"I want to make sure that the communities are ready for that in terms of backup support."
An Emergency Response Payment has been made available to those living in properties directly affected by flooding, while businesses can avail of the Emergency Humanitarian Flooding Scheme.
Earlier, people dealt with serious traffic disruptions because of flooding and debris on road and rail routes.
A burst water main in the Fairview area of Dublin added to weather-related commuter disruption in the capital.
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Subsidence also sent a tree onto the DART rail route near Portmarnock, closing the service between Portmarnock and Howth Junction for a period. The line, which also affected services to Belfast, has reopened.
Heavy winds and torrential rain caused significant disruption across the island of Ireland earlier in the week, including power outages, flight cancellations and 300 school closures in Northern Ireland.
Up to 20,000 properties were without power at the peak of Storm Chandra.
