Motorists are advised to drive with care this morning with five weather warnings in place across the country.
Driving conditions are treacherous in many parts, in particular around Barnesmore Gap, Ballyshannon and outside Letterkenny in Donegal.
AA Roadwatch is advising caution too around Fermoy in Co Cork, Nenagh, Roacrea and Thurles in Co Tipperary and Mullingar in Co Westmeath.
Met Éireann issued a status 'orange' snow-ice warning and a wind alert last night - along with three 'yellow' warnings.
Up to 8 centimetres of snow fell across Connacht, Cavan, Monaghan, Donegal, Clare, Kerry and Limerick.
The highest amounts were forecast to fall on high ground in Connacht and west Ulster.
Meteorologist with Met Éireann David Rogers said there would be some change to the weather conditions later today.
"There will be a change to different threats with strong winds and heavy rain pushing across the country," he said.
"There won't be any change to less cold conditions until the middle of the day (when the wind and rain area expected)."
Meanwhile, people are being urged to check in on their elderly neighbours during the inclement weather conditions.
CEO of ALONE Sean Moynihan said the extreme weather conditions could pose health risks for people in isolated areas.
1. Wind warning for Wexford, Donegal, Galway, Leitrim, Mayo, Sligo, Clare, Cork, Kerry, Limerick and Waterford
Southerly winds of mean speeds of 65 to 80 km/h with gusts of 110 to 130 km/h will develop this afternoon and will continue through the night, when they will veer west to southwest.
Warning issued:Tuesday 13 January 2015 at 3.52pm; valid until Thursday 12 noon.
2. Snow-ice warning for Connacht, Cavan, Monaghan, Donegal, Clare, Kerry and Limerick
Wintry, thundery showers of hail, sleet and snow today and overnight with snow accumulations of 4 to 8 cm. The highest amounts will be on high ground in Connacht and west Ulster.
Warning issued:Tuesday 13 January 2015 5.01am; valid to 9am today.
3. Wind warning for Dublin, Carlow, Kildare, Kilkenny, Laois, Longford, Louth, Wicklow, Offaly, Westmeath, Meath, Cavan, Monaghan, Roscommon and Tipperary
Southerly winds of mean speeds of 50 to 65 km/h with gusts of 90 to 110 km/h will develop on Wednesday afternoon and will continue through the night, when they will veer west to southwest.
Warning issued:Tuesday 13 January 2015 3.55pm; valid to Thursday 12 noon
4. Rainfall warning for Connacht, Donegal, Clare, Cork, Kerry and Limerick
Heavy showers last night will be followed by heavy rain this afternoon and evening. The rain will start to clear early tonight. Rainfall totals of 25 to 35 mm are expected.
Warning issued:Tuesday, 9am; valid to 11pm tonight.
5. Snow-ice Warning for Leinster, Cork, Tipperary and Waterford
Wintry showers of hail, sleet and snow over Tuesday night with snow accumulations of up to 4 cm in places. The highest amounts will on high ground and further west.
Warning issued: Tuesday, 5am; valid to 9am today.