The Met Office issued a yellow warning for ice, snow and strong winds across the United Kingdom earlier today.
A sub-zero winter storm is on the cards for Storm Fionn with gales and polar showers across the country from today.
An amber weather warning for snow and ice is in place until 08:00 GMT on Wednesday, with a yellow warning in place until 18:00.
Galway City Council is closing the Seapoint Promenade at Salthill as a "precautionary measure".
The Fylde coast has escaped a snow warning, but strong winds are still set to blast the resort when Storm Fionn arrives tomorrow..
The biggest outage is in Derrybeg where 111 customers have lost power.
It is in place until 5am and strongest winds are expected to transfer eastwards before clearing by mid morning. "We are expecting winds of up to 110kph, but the strongest gusts will be experienced along the Atlantic seaboard".
ESB Networks says it is working to fix the faults as quickly as possible.
A threat of coastal flooding also remains. AA Roadwatch reported hazardous conditions in parts of Monaghan, Cavan, Kilkenny, Leitrim, Mayo, Sligo, Roscommon and Donegal.
This low will bring a spell of windy weather overnight and for Thursday morning, heavy rain and so the risk of localised flooding and snowfall.
Several flights out of Cork and Shannon airports were delayed on Tuesday evening, and passengers were warned to check with their airlines for the latest flight information.
Ardmhéara Mícheál Mac Donncha, speaking at the Cold Weather Initiative launch in December, said, the winter months can be a hard time for many people who are vulnerable, alone and isolated.
Snow and sleet affected many roads in Scotland including the A9, M9, M80, A720, M77, A7 and M73.
The Road Safety Authority (RSA) in the Republic urged road users to exercise caution and said drivers needed to slow down and increase stopping distances due to the risk of black ice.