The national snow alert has been extended until Thursday.
Met Eireann has issued an advisory warning that the Arctic airflow will remain until Thursday night, bringing snow, hail, sleet and sharp to severe frosts and icy stretches on roads and footpaths.
Another Snow/Ice warning has been issued for Donegal, Leitrim, Sligo from today until 9am tomorrow Wednesday.
Today it will be a chilly day with a mix of sunny spells and wintry showers, generally falling as sleet or snow.
Some of the showers may also produce thunder and hail, especially in the afternoon and evening.
Highest temperatures of 2 to 5 degrees. Light northwesterly breezes, gradually freshening.
It will be cold again tonight with frost and icy stretches developing in many areas.
Scattered wintry showers will continue with a further chance of thunder and hail. Lowest temperatures of -3 to 0 degrees in mainly light to moderate westerly winds, breezy along Atlantic coasts.
Main pic: A snowy Fintown to Ballybofey road by Jurica Flajpan.