The Army is out tonight in the West and South to help stem widespread flooding, following torrential rain.
The Irish Farmers Association says the situation in the West is worse than at any time in the last 20 years.
Soldiers and Army trucks have been fighting flood waters in Bantry and Clonakilty in Co Cork Ennis in Co Clare, Clonmel, Co Tipperary, and Ballinasloe, Co Galway.
Houses in several villages have been evacuated and a number of main roads and many secondary roads are now closed.
Parts of Clonmel near are under several feet of water after the River Suir burst its banks. Roads in the area are closed and emergency services on high alert as water levels continue to rise.
The Army have been distributing sand bags throughout the day and providing taxi services for those affected by the flooding.
Tonight Bus Éireann cancelled bus services between Galway and Dublin due to flooding in Craughwell, which has made the road impassable.
Train services have been affected too, with an Iarnród Éireann spokesperson confirming that the railway line between Athenry and Ballinasloe has now been closed.
There has been up to two inches of rain in Co Cork in the last 36 hours, with Macroom and Skibberreen particularly badly affected.
There are also growing fears of flooding in Mallow and Fermoy.
Met Éireann said tonight that there will be some respite tomorrow but are promising more rain and potentially very strong winds over the weekend.
With water levels already high, there is likely to be more flooding and treachous driving conditions for motorists.
Read the forecast