Gardaí have advised motorists to take extreme caution as icy weather has made driving conditions hazardous in places across the country
Earlier roads in the Cavan-Fermanagh area were described as "treacherous" after heavy snowfalls.
There have been unexpected snowfalls of up to two inches this morning in the south-west, midlands and along the border.
Conditions in Longford were reported to be dangerous with heavy snow on all minor roads and slush on the main routes through the county.
Gardaí advised motorists to avoid the Conor Pass route into and out of Dingle, Co Kerry, and not to make any unnecessary journeys in areas where there has been heavy snowfall.
Galway and Clare have also experienced snowfalls and some flooding. There are fears that a thaw would add to difficulties.
Meanwhile, ESB repair crews have restored power to most areas of the country where supply was knocked out as a result of Friday's storms and flooding.
Efforts are now being concentrated on clean-up operations, but this is being hampered today’s weather conditions in many areas. As well as snow, heavy rain is widespread across the country.
The Dublin City Council has appealed to residents of Ringsend to return to their homes so that the ESB can reconnect electricity.
The storm damage bill damage is likely to be close to €100m. The Dublin Chamber of Commerce estimates that business losses in the city will be around €20m.
Sporting fixtures were also affected as bad weather led to the cancellations of many events around the country.
While the storms experienced over the last few days have died down considerably, Met Éireann has forecasted further danger of icy roads tonight. It said the bad weather is likely to continue.