More than 420 schools will be closed across Northern Ireland on Friday
Disruption and delays on the roads with some bus services affected
Airports open but passengers advised to contact airline about possible cancellations
An amber weather warning - meaning possible risk to life and property - is in place for snow
As Ireland prepares for the worst of the winter weather, Michael D Higgins said: "May I extend deepest appreciation to all those who continue working under these conditions, for all our citizens, to keep the roads clear, maintain essential services and provide support to those in need."
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Aer Lingus cancels all flights from Dublin, Belfast City, Cork and Shannon from 15:00 GMT today.
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Image source, Tanya WestBBC News NI viewer Tanya West sent this photo, taken near the Killyhevlin Hotel, Enniskillen, to our Facebook page, external.
The Western Health Trust is advising people who cannot attend appointments to call the admissions team.
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Dublin Bus services cancelled today and Friday.
Saturday services TBC.
All 33 Allianz League matches scheduled for this weekend have been postponed.
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Housing Executive closes eight of their offices today.
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If you need to contact the Dept of Agriculture, Environment & Rural affairs
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Ulsterbus cross-channel services cancelled.
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Crews have been "working through the night" salting roads and clearing snow but conditions in the south east of Northern Ireland are reported to be extremely difficult.
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I don't think I'd fancy trying it today in this weather.
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Fun at Stormont
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