Met Eireann have said that any lingering lying snow will continue to melt today, and "any sleet or snow showers" will be "mainly restricted to higher ground".
It's expected to be breezy tonight with further showers, more frequent in Connacht, Ulster & north Leinster, where they may merge to give some longer spells of rain.
Temperatures expected to be between 1 to 4°C, with highs of 4 to 8°C. There will be showers of rain and risk of hail and thunder.
Breezy tonight with further showers, the showers most frequent in Connacht, Ulster & north Leinster, where they may merge to give some longer spells of rain with the risk of hail & thunder. Showers possibly wintry on higher ground.
Becoming windy in the west & northwest. 1 to 4°C pic.twitter.com/DmTCvspB5Q— Met Éireann (@MetEireann) March 4, 2019
Update: There may be more snow on the way today.
"The showers today, they are going to be widespread, they are going to be heavy, they are going to be of rain or hail and we will see some of wintery enough on higher ground," said Met Éireann's Joan Blackburn.
We can also expect "some falls of sleet or possibly snow on the hilly areas", she said.
Temperatures today are going to be between 4C and 8C.
"There are likely to be plenty of showers about," she added
Tonight, temperatures are to fall to between 1C and 4C.
However, the next few days will be cloudy with temperatures rising to 9C tomorrow.
There were numerous delays at Dublin Airport yesterday but flights are said to be going ahead as scheduled today.
Storm Freya has brought frost and freezing temperatures to some parts overnight.
Motorists are being advised to leave more time for their journey and slow down on the roads - many of which are icy.
The AA's Anne-Marie Donnellan says parts of Leinster are worst affected:
"Many routes will have frozen over again last night with icy conditions particularly in Carlow, Portlaoise, Tullamore, Mullingar, Thurles and Wicklow but the worst definitely around Kildare and Meath, similar to yesterday," she said.
Met Eireann has a status yellow warning in place for all counties until 8am.
Temperatures dropped below freezing in some areas last night with frost, ice and lying snow affecting some areas.
Last night, emergency services were called to a collision on the M8 between Junction 3 and 4 Northbound.
Motorists were warned to take particular care on the M4, M7, and M8, and to exercise caution and reduce speed.
.....thunderstorms. Highest temperatures of 4 to 8 degrees Celsius, in moderate to fresh west to southwest winds.— Met Éireann (@MetEireann) March 4, 2019