• Full rail services operating
• Some Bus Éireann delays and cancellations
• Curtailments on some Dublin Bus routes
• Flights operations resume at Dublin Airport
• Check schooldays.ie for info on school closures
2308 Iarnrod Éireann expects full services to continue to operate across all routes tomorrow, with minor delays. Any disruption which does occur will be updated on its website, on twitter and on morning news bulletins.
2229 IT Tallaght says it will remain closed tomorrow.
2227 Temperatures have fallen to -4C in the West tonight and driving conditions remain difficult.
Gardaí say it is clear that many people have heeded warnings not to travel unless journeys are absolutely necessary.
They say the volume of traffic on roads across the region is considerably less than it would normally be and there have been surprisingly few accidents.
2225 Most Bus Éireann services will operate from Busáras tonight, including Dundalk and Drogheda.
2107 Gardaí say motorists are still advised to only undertake essential journeys - especially in south Dublin.
Southbound traffic on the M50 from Firhouse to the N11 remains particularly heavy and road gritters are present there at the moment.
2105 Dublin Bus has said that a number of routes in the south and west of the city have been curtailed due to icy conditions on roads.
2100 Iarnród Éireann is running a full schedule with minor delays.
2053 A number of Bus Éireann services in the east are experiencing delays.
The company is currently reviewing all commuter services from Busáras after 9pm.
There are delays on a number of delays on other services, particularly to Drogheda and Dundalk. Services in Waterford are also affected.
2011 There are long tailbacks on the M50 both sides south of Junction 12 due to extremely slippy surfaces.
Traffic is moving at a crawl and gardaí are accompanying snow ploughs which have been deployed to try and clear some of the sleet and hail which fell in the last two hours.
1948 Gardaí and AA Roadwatch are warning of long traffic delays in Dublin tonight because of bad weather conditions.
Traffic is still extremely heavy on the M50 motorway between Leopardstown and Firhouse. Long delays are also reported on the N11 southbound from UCD to Foxrock.
1819 The Irish Farmers Association has said the refusal of some local authorities to supply grit to farmers who are willing to assist in the clearing of minor roads around the country is a serious lack of common sense.
The association say farmers in west Cork and across the country who are willing to use their machinery if grit is supplied by the county council.
IFA President John Bryan said there is no credible reason for this refusal and he urged the local authorities to re-think their policy and avail of the help that farmers are willing to provide.
1743 Flight operations have resumed at Dublin Airport after they were suspended for saftety reasons. The suspension lasted for 30 minutes as the main run-way was de-iced.
1738 AA Roadwatch says all roads into Slane, Co Meath, are closed because of weather conditions.
It also says a number of cars are stuck at Junction 13 (Dundrum) on the M50 motorway northbound.
Conditions are also described as extremely slippery on the N11 at Stillorgan.
1727 Bus Éireann has said many services that were cancelled earlier in the day, particularly in Athlone and the east of the country, have resumed.
They include: Galway - Athlone – Dublin; Limerick – Athlone; Mullingar – Dublin; Edenderry – Dublin.
Many routes continue to experience delays and curtailments.
1718 Westmeath County Council and Athlone Town Council are continuing to work to improve road conditions and safety throughout the county.
They have reiterated that people are strongly advised to avoid any unnecessary journeys.
The Country Council is concentrating on the main arterial routes and on the streets in the major towns and villages. Local roads have not been treated.
1703 View aerial footage of snow blanketed areas, courtesy of the Air Corps.
1700 The Limerick City Council Crisis Management Team met today to discuss the adverse weather.
The council has said its winter maintenance programme remains in place across the city. All major roads within the city have been treated with salt, as have busy footpaths in the city centre.
1653 The vast majority of Bus Éireann services around the country are operating as per normal with some delays and diversions in affected areas.
Some services that were cancelled earlier in the day, particularly in Athlone and the east of the country, have returned to service with some delays and diversions.
1648 Muintir na Tíre has set-up a special helpline to help older and vulnerable people trapped in their homes because of the cold weather conditions. The helpline will operate daily from 10am to 8pm. The number is 086-6000751.
1627 Dublin Bus is operating a full service with minor delays. Some routes have curtailments or diversions but the service is running mostly to schedule.
1617 Click here to access an audio stream of a media briefing at the National Emergency Coordination Centre in Dublin this morning.
1613 Cork City saw snow for the first time today and there were also snow showers along the south west coast in towns like Bandon & Clonakilty but rising temperatures throughout the day have seen the snow quickly melt.
The temperature, however, has begun to fall again and is expected to get as low as -7C locally giving rise to fears of severe frost and freezing fog before morning.
1528 Kerry County Council has issued a statement saying that the Conor Pass, the road from Camp Post Office to Camp Church Cross and the Pass between Aughills & Camp are closed.
1350 Watch the reports from today's One News on the disruption caused by the snow and ice.
13.28 All Longford Library branches closing at 5.30pm today and tomorrow due to adverse weather. Check http://www.longfordlibrary.ie for details.
1300 The John Murray Show has put together a slideshow of snow pictures from its listeners and put it to music.
1245 RTÉ's John Kilraine, Richard Dowling, Jim Fahy will be reporting on the arctic conditions for this afternoon's One News. There will be further coverage on News At One on RTÉ Radio One.
1240 The Defence Forces has said that it has troops, vehicles and helicopters on stand-by if they are needed by local authorities.
1235 Roads and footpaths around Cork are covered in sludge and remain icy in parts. City council crews have been gritting since early morning and say they have adequate stocks of salt.
Cork County Council say it has been salting the primary and secondary routes with 20 vehicles out and about in the county today.
1220 Iarnród Éireann says full services are expected to operate today on all Intercity, DART and Commuter routes. However, there may be some minor delays as points are cleared of snow and ice.
1216 65% of Irish workers were late for work today because of the snow.
68% of bosses will let workers go home earlier today in order to tackle the difficult conditions, according to employment law consultancy Peninsula Ireland, who questioned 463 employers.
1207 Fine Gael Road Safety Spokesman Tom Hayes TD has called on the Government to lift the restriction on road gritting and allow people to spread grit on roads in their own areas.
He said it is now clear that the majority of non-national roads will never be gritted with the NRA and local authorities concentrating their efforts on the busiest routes.
1159 All GoBus services from Galway to Dublin have been suspended until further notice. For further information contact GoBus on 091-564600.
1115 Iarnród Éireann says all routes operating fully with some minor delays. Galway & Westport 45-60 minutes late following earlier blocked points during heavy snow.
1110 Lower Bridge St, in Dublin 8, is closed from the Quays up to High St due to severe ice and will remain so until gritted. Traffic is asked to avoid the area.
1045 Deteriorating weather conditions have brought traffic to a standstill on almost all approach roads to Galway city.
Motorists are now experiencing up to two-hour delays on journeys from Gort, Ballinasloe and Tuam to Galway.
1040 Carlow Co Council says motorway and major roads are passable and have been gritted during the night. There has been deterioration in the minor roads due to snow showers.
1025 The Athlone to Roscommon N61 road is closed just outside Athlone at the Hill of Berries. Motorists are warned to avoid the area and there is a tailback of 8km, with trucks mostly parked along the road.
Roscommon County Council has two snow ploughs trying to clear the route between Knockcrockery and Kiltoom.
1015 IFA President John Bryan said the snow and freezing conditions are causing problems and disruption to farming.
Mr Bryan said: 'This is creating particular difficulties for milk collections, feed deliveries and farmers moving livestock to factories and marts. Supplies to factories and marts are being affected as farmers cannot take cattle out.'
1000 Many homes and farms in upland areas across the southeast are inaccessible.
Councils in Wexford, Wicklow, Waterford, Kilkenny and Carlow have had gritting lorries out since 7am trying to keep the main roads open but hundreds of secondary and minor roads are still dangerous.
0958 Trains to and from Galway and Westport are currently running about an hour behind schedule because of heavy snowfalls in the west.
0955 Bus Éireann says the majority of services are operating as normal with some delays and diversions in affected areas.
0945 The N4 Dublin to Sligo road is completely blocked at Mullingar in Co Westmeath following an accident. Gardaí have warned motorists to stay away from the Castlepollard junction of the Mullingar by-pass.
0915 Iarnród Éireann said that full rail services are operating, but there are significant delays at Athlone and a limited service to/from M3 Parkway.
0900 Several schools in west Cork remain closed this morning as local roads remain dangerous in many places and bus services have been cancelled.
Schools in Schull, Ballydehob and Skibbereen have been affected. However they have re-opened in Kinsale.
0845 A number of schools remain closed in Northern Ireland today following heavy snowfall in recent days. There are 25 schools closed across counties Down, Antrim, Tyrone and Armagh.
0840 Ballinasloe in Co Galway has been experiencing heavy snowfalls over the past hour and gardaí there are appealing to motorists not to travel unless necessary.
Gardaí have described conditions on all roads around the town as 'terrible'.
0830 All main roads in Co Kerry are open. A spokesman for Kerry County Council said road crews were out all night but as temperatures did not fall as low as expected, they were able to grit additional secondary roads. Deposits of grit were left at 60 locations yesterday for local use if conditions worsen later in the week.
Schools in north Kerry which were forced to close yesterday say they are reopening this morning and it will be up to parents to assess if they can bring children safely to school.
0815 RTÉ Midlands Correspondent Ciaran Mullooly says there are significant difficulties with bus services in the Athlone area after heavy snow falls in the past hour.
The roads from Athlone to Longford and Roscommon are dangerous, as are roads around Birr, Tullamore and Abbeyleix.
0740 ESB says 100 customers are without power in the Kinnegad/Athboy area due to a fault. Crews are working to restore it. It is not thought to be weather-related.
0730 Snow has been falling in Galway city since 6am and gardaí are warning that it is likely to create problems for early-morning commuters.
Yesterday, there were seven-kilometre tailbacks and hour-long delays on the N17. Further long delays are expected this morning.
Snow has also been falling in the Loughrea area since 6am.
There have been no fresh snowfalls in Co Mayo this morning but gardai in Castlebar say many back roads remain in a dreadful condition because of heavy frost.
0715 A colleague has just arrived in, looking cold and flustered, thinking he was due on the early shift. You should have seen his face when he realised he wasn't due in until 1pm. Ouch.
0655 Luas Red Line (Tallaght - The Point and Connolly) and Green Line (St Stephen's Green to Brides Glen) are operating normally.
0645 Bus Éireann says the vast majority of its services are operating as per normal with some delays and diversions in affected areas.
Road passenger services affected by weather and road conditions this morning:
2 Dublin Airport-Rosslare - early morning services cancelled
109A Navan-DCU - early morning services did not operate
161 Dundalk-Newry - 0800 cancelled
168 Dundalk-Annagassan - cancelled
175 Monaghan-Cavan - cancelled
0630 Dublin Bus says due to adverse weather conditions there are diversions and curtailments in place on a number of routes.
Check the Dublin Bus website for any changes.
0600 Iarnród Éireann says full services are expected to operate today across Intercity, DART and Commuter routes. Some services may be subject to minor delays as points are cleared of snow and ice.
Customers are advised to allow extra travel time to arrive at stations due to poor road and footpath conditions. The Iarnród Éireann website will be updated with any new travel information. And you can follow IE on Twitter at twitter.com/irishrail for up-to-date info.
Dublin Airport says normal flight operations are expected this morning.
However, passengers are advised to consult their airline or airline's website for up-to-date information regarding their particular flight BEFORE going to Dublin Airport.
Nationwide roads check
Donegal Town - very heavy frost/black ice
Sligo Town - gritting in progress on main roads
Mayo/Ballina - Main roads ok; combination of snow and frost making driving difficult on secondary routes
Galway/Mill Street - Main road ok; side roads are not the best - no snow, just very bad frosty conditions
Clare/Ennis - Main roads ok; they have been gritted. No snow but patchy frost in places
Limerick/Roxboro road - Frost and snow in places around the city but main roads have been gritted
Kerry/Tralee - Frost in places but main roads are all generally ok
Wicklow/Bray – Icy; commuters advised to drive slowly and carefully on the main roads which have been treated
Louth/Dundalk - Slushy driving conditions but ok generally on the main roads
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