Met Éireann is forecasting spot flooding and strong gale force winds.
Update at 1.50pm: An orange weather alert has been issued for Atlantic coastal counties.
Weather Warning: extremely windy & blustery conditions in Donegal/ Galway Leitrim/ Mayo/ Sligo/Clare/Kerry & Limerick.
Possible flooding— An Garda Síochána (@GardaTraffic) January 26, 2014
A status yellow wind warning is in places for Leinster and counties Cavan, Monaghan, Roscommon, Cork, Tipperary and Waterford.
The south-bound off-ramp at Junction 9 on to the N7/Naas Rd has re-opened following the removal of an overturned truck.
ESB networks is working to restore power to around 800 homes across the country with parts of the west worst affected.
Met Éireann is warning of heavy, thundery downpours of rain and hail throughout this afternoon.
They said people in Donegal, Galway, Leitrim, Mayo, Sligo, Clare, Kerry and Limerick are most at risk from the latest Atlantic storm to hit the country.
“There will be some extremely windy, blustery conditions at times during the rest of this weekend, with winds gusting between 100 and 130 km/h at times - highest in coastal areas,” forecasters said.
“An additional hazard will be high seas and waves, which will be highest during Sunday afternoon and Sunday night. Occasional heavy, squally, thundery downpours of rain will occur at times too. Some flooding is possible also.”
— AA Roadwatch (@aaroadwatch) January 26, 2014