Hundreds of homes across Galway, Tipperary, Cork and Wexford were without power this morning after the strong winds of Storm Georgina.
Gardaí advised motorists to take care as there were reports of heavy surface water on many roads.
The M17 motorway between Tuam and Athenry in Co Galway was closed in both directions following a number of collisions this morning.
It has since reopened.
Gardaí said that heavy sleet led to slippery conditions and that they received reports of five separate incidents on the route, with one car overturned.
Galway City Council also reported weather-related issues on the M18 and M6 approaches to the east of the city.
Gardaí also reported trees down on a number of roads in Carlow, Cavan, Donegal and Dublin.
The Port Tunnel in Dublin fully reopened at around 5am following overnight closures.
Met Éireann issued an Orange weather warning as Storm Georgina tracked northwest of the country overnight.
A status Yellow wind warning for across the country remained in place until 9am, while there was also a rainfall warning for counties Donegal, Galway, Leitrim, Mayo, Sligo and Clare, valid until 10am.
Windy today with strong and gusty southwest winds continuing. Heavy rain will clear the southeast this morning, with sunny spells and scattered showers following, some of the showers heavy. Temperatures between 6 and 8 degrees. pic.twitter.com/HPXnpOn75z— Met Éireann (@MetEireann) January 24, 2018
After #StormGeorgina firefighters from Phibsborough attended a trampoline in a precarious position near power lines. @ESBNetworks have now made the scene safe #Dublin #fire 📸 D Whelan pic.twitter.com/st9R60ex2L— Dublin Fire Brigade (@DubFireBrigade) January 24, 2018