Ireland weather: Met Eireann forecast sudden change as expert warns of ominous ‘torrential’ system

Met Eireann have forecast a sudden change in our weather on Wednesday as “heavy and thundery” rain is set to lash parts of Ireland.

Expert Alan O’Reilly from Carlow Weather explained that there is a risk of thunder and “torrential” rain with spot flooding in places on Wednesday.

However he added that the latest forecast update was “positive” for the Bank Holiday weekend – but that a low pressure system was still lingering.

He said: “Tricky to forecast the rainfall Wednesday with risk of some thunderstorms. Many areas could escape most of the rain but others could see spot flooding with torrential downpours. Stay tuned for more updates as we get closer.

“Latest GFS weather model update is positive for the bank holiday weekend but it’s still hard to call with low pressure not far away!”

Meanwhile today looks set to be largely dry and bright in the east, although it will be wetter in the west with showers turning heavy at times.

A Met Eirenan forecaster said: “This morning, rain will continue over the western half of the country. Rain will clear during the afternoon but scattered showers will develop as it does, turning heavy at times. Highest temperatures there of 13 to 17 degrees in a light to moderate northerly breeze. Further east, it will be drier, brighter and warmer with spells of sunshine, though isolated showers may occur. Highest temperatures there of 18 to 22 degrees in a light to moderate easterly breeze.

“Showers in the west will ease early tonight leaving a largely dry night with a mix of cloud and clear spells. However, spells of showery rain will push into south Connacht, Munster and south Leinster towards morning. Lowest temperatures of 9 to 13 degrees in a light to moderate northeast to east breeze.

“Largely cloudy tomorrow with showery outbreaks of rain spreading northwards during the day, turning heavy and thundery at times with the risk of spot flooding. Dry spells will develop through the afternoon in Munster, Leinster and Connacht as the rain moves northwards. Highest temperatures of 16 to 20 degrees generally, but warmer over Ulster where there will be some early sunshine before the rain arrives, with highest temperatures of 19 to 21 degrees there. Moderate to fresh east to southeast winds.

“Remaining largely cloudy on Wednesday night with just occasional clear spells. Showers over Ulster will clear northwards early on, leaving a generally dry night, but further scattered showers will develop towards morning. Lowest temperatures of 9 to 13 degrees in light to moderate southerly.”

And for the rest of the week conditions will remain slightly more unsettled than in recent days, although temperatures will stay relatively high and there will still be plenty of sunny spells.

The outlook for next week will see a mix of sunshine and showers, with temperatures in the “mid to high teens”.

A forecaster added: “A brighter day on Thursday with a mix of sunny spells and scattered showers, most frequent over Munster and Connacht. A cooler day generally with highest temperatures of 13 to 18 degrees, warmest over Ulster, in moderate southerly winds.

“A mostly dry night with clear spells, though it will be cloudier in the west and south with scattered light showers. Lowest temperatures of 8 to 11 degrees.

“Largely dry with sunny spells to start on Friday, apart from showery rain in the southwest. Outbreaks of rain will become widespread through the morning and afternoon, but some eastern areas will hold dry. Highest temperatures of 14 to 17 degrees in moderate to fresh southerly winds.

“Becoming largely dry on Friday night with clear spells as outbreaks of rain clear eastwards. However, there will be some lingering patches of light rain or drizzle. Lowest temperatures of 8 to 12 degrees.

“Saturday will bring a mix of scattered showers and sunny spells. Highest temperatures of 14 to 17 degrees over the northwestern half of the country, but warmer in the best of the sunny spells further southeast with highest temperatures of 17 to 19 degrees.

“A mix of scattered showers and sunny spells for Sunday and early next week, with temperatures generally in the mid to high teens.”

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