Met Eireann has issued a Status Yellow snow and ice warning for all of Connacht, cavan and Donegal.
Wintry showers will bring some accumulations of snow, especially on high ground on sunday night and Monday morning.
The warning is valid from 18:00 Sunday 26/01/2020 to 11:00 Monday 27/01/2020.
A weather advisory has also been issued for all of Ireland.
Cold and wintry weather will develop from Sunday evening. Showers of hail, sleet and snow will occur in places. Snow showers most frequent in Ulster and Connacht and especially so on high ground.
Valid: 18:00 Sunday 26/01/2020 to 15:00 Tuesday 28/01/2020