The following is a list of areas worst affected as outlined by AA Roadwatch.
CORK
Routes in Douglas, Glanmire and Greenmount are impassable. Flooding has also been reported around Killens on the N20/Mallow Rd at Blackpool Church.
The N71/Bandon Rd is also flooded by the Viaduct.
The N27/South City Link Rd is flooded at Turner's Cross. Flooding is starting to recede on the South Ring Rd but care is still advised.
All routes around Clonakilty are impassable as a result of flooding.
N25/WATERFORD
The N25/Cork Rd is flooded at the Carrick Rd R/A.
N55/WESTMEATH
Flooding is a problem on the N55/Ballymahon Rd under the railway bridge where a car is already stuck this morning. Gardaí are advising motorists to avoid the area.
Spot flooding in Athlone on the N6 Dublin/Galway Rd.
GALWAY
Spot flooding on the N65 Portumna/Loughrea Rd approaching Loughrea.
LIMERICK
Spot flooding on the N69 Limerick/Listowel Rd at Mungret.
KILDARE
A number of incidents have already occurred due to flooding on the M7 Dublin/Limerick Rd between J9 Naas North and J11 the M9.