Snow on the way next week with daytime temps at freezing point
Met Eireann said that Wednesday onwards will be 'exceptionally cold' and day-time temperatures may not rise above freezing.
The UK Met Office said it is expecting 'the risk of significant snow' for next weekend.
Met Eireann Forecast
Sunday
Dry and sunny day with top temperatures of just 4 to 7 degrees.
Sunday night will see lowest temperatures falling to as low as -3 with a widespread sharp to severe frost.
Monday
Some sunny spells but very cold for the time of year with daytime temperatures in the low single figures
Very cold on Monday night with a severe frost and the risk of wintry showers.
Tuesday onwards
Progressively colder from Tuesday with wintry showers becoming more widespread
By Thursday it is likely that it will become exceptionally cold.
Day time temperatures may hover just around freezing or even below freezing in some places with widespread severe frost at night.