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National Forecast

21 February 2017 16:15


Windy this evening and overnight with scattered outbreaks of rain and drizzle, persistent at times. Lowest temperatures of 5 to 9 degrees in blustery west to southwest winds.


More northern counties will tend to be drier for much of tomorrow, but rain and drizzle will affect most other parts of the country through the day with the rain turning heavier during the afternoon. Moderate west to southwest winds; highs of 8 or 9 degrees across Ulster but 10 to 13 degrees elsewhere.


Changeable Atlantic regime with a brief, potentially disruptive, spell of weather imminent late Wednesday and early Thursday.

Wednesday night: Heavy rain developing countrywide, as southwesterly winds increase strong to gale overnight, with strong gale to storm force gusts developing along western, southern and eastern coasts. Rain turning to squally showers, some thundery with a risk of hail, sleet and hill snow, especially in northern areas, as winds veer strong to gale force northwesterly. Lows of 3 to 6 degrees generally, but possibly 1 or 2 degrees by dawn in Ulster.

Thursday: Cool and windy, or perhaps even stormy about the north Leinster and east Ulster coasts at first. Widespread blustery showers, some thundery with hail and sleet mixed in. Temperatures ranging 6 to 9 degrees but feeling much colder in the strong to near gale force west to northwesterly winds, gradually easing through the afternoon and evening.

Thursday night: Chilly overnight with the risk of a slight frost as temperatures dip to zero or minus 1 degree as winds fall light. Showers, possibly wintry on high ground, retreating to the northern and western coastal fringes.

Friday: Mainly dry and bright but cold to begin on Friday with just isolated showers in the north and west. Clouding over with rain spreading from the Atlantic later. Winds backing southerly and strengthening overnight.

Saturday: Wet and windy at first with fresh to strong and gusty southerly winds veering west to southwesterly later as rain turns to showers.

Sunday: Another spell of wet and windy weather arrives from the Atlantic.

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