A nationwide weather warning for snow and ice is in force this morning and will last until at least the weekend.
Met Éireann is advising that it will be very cold this week with scattered wintry showers and some accumulations of snow expected.
It warned there is the possibility of a "more significant spell of sleet and snow" on Thursday.
The Status Yellow weather warning came into effect at 6am this morning and will remain in place until 6pm on Saturday.
An update from Met Éireann on the weather warning is due later this morning.
Met Éireann said there will be showers of hail, sleet and snow today, heaviest in the south-west, west and north. Temperatures will rise to just 2C to 5C before falling as low as -3C tonight.