Donegal County Council is warning that ice may form on the route from Frosses – Glenties – Fintown after a gritting lorry broke down there this morning.
Motorists are being advised to drive with extreme care there.
A yellow snow and ice warning remains in place for all of Ireland until 9 o’clock this morning.
Cathal Nolan, from Ireland’s Weather Channel, says conditions will improve for about 36 hours – but will then worsen again:
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