Motorists have been urged to take care on roads this morning, especially in the south, where persistent overnight rain has caused widespread flooding.
In Cork, AA Roadwatch reports the Ballea road (R613) from Carrigaine to Ballygarvan is impassable at the Waterworks.
The N71 Wilton road is impassable from Sarsfield road roundabout towards Wilton and at the entrance to Elm Vale estate.
Severe flooding is affecting the Crosshaven road at Kilnagleary Business Park, on the Ballincollig side of Muskerry and Tower road in Blarney.
There is flooding in Mallow on the N72 Killarney road at the Racecourse. Bad flooding has also been reported in Belgooly on the Cork to Kinsale road (R600) and around Bandon on the N71 Cork road, Enniskeane road (R586) and on the Crossbarry road.
There is severe excess surface water on the Bandon/Dunmanway road (R586) and on the Dunmanway/Macroom road (R587) at Ardcahan Bridge and around Kanturk. Care is also required on the Fermoy/Glanworth road (R512).
In Waterford, AA Roadwatch reports heavy flooding at Garranbane School near Dungarvan and localised flooding in Tramore.
Motorists in Tipperary should take care on roads around Cahir and Cashel, where excess surface water may be a problem.
Excess water is also affecting routes around Mullingar in Westmeath and on the N55/Ballymahon road out of Athlone Town.