According to the Met Office a covering of snow is possible anywhere by Friday morning with 2-5cm across northern and western counties and up to 10cm possible on high ground in the north west.
A status yellow snow and ice warning has been put in place for Donegal later today. It is set to be cold and frosty overnight, with motorists being warned of icy roads.
DRIVERS have been urged to be prepared for adverse weather throughout Friday December 8 as a band of weather is expected to sweep over the north west.
GARDAI have issued a warning about snow and ice as a national weather alert remains in place.
Met Éireann forecaster John Eagleton said there is unlikely to be snow during the daytime but snow will gather on higher ground.
It's because an Atlantic storm, Storm Caroline, is passing close to us.
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The RSA posted a video on how to take care on the road in such conditions to their social media pages.
A number of status yellow wind warnings were also issued this week, with gusts exceeding 100kph having been forecast.
Tomorrow, Friday, will be another cold day with a mix of cloud and sunny spells.
It adds: "There is now a good deal of uncertainty over the precise track of the areas of rain and snow".
Northwest winds will fresh to strong and gusty.
If you're heading out to get into the festive swing of things this weekend you'll need to wrap up warm because snow and freezing cold temperatures are being forecast for the next few days.