17 March 2018 20:30
Cold and windy overnight with snow showers in the east continuing to spread across the country. Significant accumulations of snow are likely through Leinster and east-Ulster but the snow-showers will be well scattered elsewhere. Lowest temperatures of -1 to -4 degrees with severe frosts. Blustery easterly winds.
Another cold day for Sunday with temperatures of only 1 to 4 degrees at best. There will be further snow showers through Leinster, east-Munster and east-Ulster during the day. More western counties will be brighter and drier but still cold. Blustery east to northeast winds continuing.
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.