17 March 2018 17:25
Very cold and windy this evening and tonight with clear periods and snow showers spreading westwards, but it should hold mainly dry in Atlantic coastal counties. The snow showers will be heaviest and most frequent over Leinster and east Ulster, with significant accumulations likely here, but showers will be well scattered elsewhere. Icy conditions with lowest temperatures zero to -3 degrees Celsius, and feeling colder in the fresh east to northeasterly wind.
Sunday will be a very cold day, with further sleet and snow showers mainly in Leinster, east Munster and east Ulster, some heavy falls with further snow accumulations especially in eastern areas. Top temperatures only 1 to 4 degrees Celsius and the northeast to easterly winds will continue to bring a significant wind chill.
General: Very cold initially, with frosty conditions and scattered wintry showers, but milder during midweek, with some rain.
Sunday night will be very cold and frosty with some icy surfaces. Some dry clear spells, but scattered sleet and snow showers also. Lowest temperatures zero to -3 C., in moderate to fresh and gusty easterly winds.
Frost and ice will clear gradually, so that Monday will be a cold, bright day, with some sunny spells at times. But there will still be a few light wintry showers scattered about, these mainly in eastern areas. Top afternoon temperatures 3 to 6 C., in moderate east to northeasterly breezes, which will be fresh at times along the east coast. Very cold and frosty overnight, with icy surfaces. Lowest temperatures zero to -5 C., with some mist and fog patches also.
Frost and fog clearing gradually on Tuesday, with a mix of cloudy periods and sunny spells developing. Top afternoon temperatures 5 to 8 C., in light to moderate south to southwesterly breezes. Cold overnight, with some clear spells. Lowest temperatures plus 2 to -2 C., coldest in the eastern half of the country, with frost forming.
Milder and more unsettled through midweek, with occasional rain, with the prospect of some heavy falls of rain during Wednesday night and Thursday. Temperatures by day back to around 10 C., and with little or no frost at night. Winds more south to southwest in direction and fresh and gusty at times.