National Forecast 25 Feb 2018 - 05:00

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Today 25 Feb 2018 - 10:39

Cold, bright and mostly sunny. Top temperatures 4 to 7 C., but feeling colder in moderate to fresh east or southeast winds.


Very cold and frosty tonight. Dry and mostly clear, with just a few mist patches. Lowest temperatures +1 to -3 C., in moderate to fresh east or southeast winds.


Very cold on Monday, with frost gradually clearing to leave a mix of cloud and sunny spells. It will be dry in most areas, but a few light snow flurries are likely in eastern coastal counties in the afternoon and evening. Top temperatures only 2 to 5 C and feeling colder in moderate to fresh southeasterly breezes.


Headline: Becoming exceptionally cold with severe frosts and significant snowfall in parts.

Monday night: Dry on Monday night apart from the odd snow flurry near the east coast. A sharp frost will form with temperatures falling between -1 and -5 degrees in light or moderate easterly breezes.

Tuesday: Frost gradually clearing on Tuesday morning to leave it dry at first with some sunny spells. However, cloud will increase from the east in the afternoon with patchy sleet and snow moving in to affect parts of east Ulster, Leinster and east Munster - staying largely dry elsewhere. Maximum temperatures on Tuesday of 2 to 5 degrees in a biting east to northeast wind.

Tuesday night: Snow showers will become fairly frequent across eastern counties during Tuesday evening and overnight with slight to moderate accumulations expected by dawn. A good deal of dry weather elsewhere but a few snow showers cannot be ruled out. A severe frost forming with temperatures falling to between -3 and -7 degrees.

Wednesday: Extremely cold on Wednesday with sunny spells and snow showers, the snow showers will be heaviest and most frequent across the eastern half of the country with further accumulations expected. Temperatures remaining below freezing in most parts of the country with frost and ice persisting through the day. Maximum temperatures will range from -1 to +1 degrees in strong and gusty easterly winds.

Wednesday night: Further snow showers overnight, mainly across Ulster, Leinster and east Munster but with a few flurries possible elsewhere. Severe frost forming nationwide with temperatures falling to between -3 and -7 degrees in strong easterly winds.

Thursday: Bitterly cold on Thursday with scattered snow showers at first. A more persistent spell of snow is expected to develop across the south of the country during the afternoon, extending northwards later in the day. Strong to gale force easterly winds will accompany the snow leading to drifting snow, especially over high ground in the south and east. Highest temperatures on Thursday ranging from -1 to +2 degrees. Outbreaks of sleet and snow across the country overnight with further accumulations.

Friday: There remains some uncertainty on weather conditions for Friday but it looks set to remain cold and unsettled with further outbreaks of rain, sleet and snow.