Temperatures to drop to as low as -2 degrees tonight. Colder than usual for this time of year.
Snow and sleet is forecast for tonight on higher ground in the northern and eastern parts of the country. Frost will be widespread and sharp in places, Met Eireann says.
Tomorrow will also be a cold day with a mixture of sun, showers, sleet, hail and snow in places.
Tomorrow night temperatures will again drop to between zero and minus two degrees.
Met Eireann says it will remain colder than usual for the time of year out to the end of the week.
Thanks to Argiris Diamantis for this link