The planned Dublin homecoming event for the Grand Slam winners has been cancelled
A status orange snow-ice warning has been extended for eastern counties until 6pm.
The warning applies to Dublin, Carlow, Kildare, Kilkenny, Laois, Louth, Wexford, Wicklow, Meath and Waterford, with further heavy snow showers expected.
A lower-level status yellow warning remains in place for the rest of the country until Monday morning.
The snowfall in the capital has led to the cancellation of the planned homecoming event for Ireland's Grand Slam winners.
We regret to announce that planned homecoming for the Grand Slam Champions has been cancelled due to the adverse weather conditions. Thank you for your incredible support throughout the campaign. pic.twitter.com/nFVSV4sZSI— Irish Rugby (@IrishRugby) March 18, 2018
The Big Day Out event, which had been planned for Dublin's Merrion Square as part of St Patrick's Festival, has also been cancelled.
Several sporting events have been called off - including the Allianz League Hurling Quarter-Final, which will now take place tomorrow instead.
Public transport is operating with some disruption due to the weather.
Bus Éireann says the 132 service has been curtailed as Bunclody is currently impassable, while 109 services currently cannot operate through Kells and have been redirected to the motorway.
Dublin Bus services are running, but with some disruption.
Flight operations at Dublin Airport have resumed after a 40-minute suspension earlier to clear snow.
Passengers are advised to check flight status with their airline before travelling.
All Luas services are operating, following earlier disruption between Saggart and Belgard due to technical fault with signals.
Most Irish Rail services are operating, with delays to services in and out of both Connolly and Heuston stations in Dublin.
All DART services have resumed after parts of the line were closed earlier due to flooding.
Weather Watch Update: DART line has re-opened following earlier flooding, services will operate between Greystones/Bray & Malahide/Howth, knock-on delays are expected https://t.co/rRIWBbfD8I https://t.co/widTeD11B5— Iarnród Éireann (@IrishRail) March 18, 2018