Overnight fog warning for entire country issued by Met Éireann as stormy weekend expected

Monday and Tuesday expected to be calm but conditions may worsen significantly by Thursday or Friday

Foggy conditions at Leopardstown Racecourse on Thursday, December 26th. Photograph: PA
Foggy conditions at Leopardstown Racecourse on Thursday, December 26th. Photograph: PA

Met Éireann has issued a fog warning for the entire country, which will come into effect at 8pm on Monday evening.

The warning will last until 11am on Tuesday morning. The national forecaster warns that areas of dense fog will develop, leading to impaired visibility and potentially hazardous travelling conditions.

Separately, Met Éireann issued a weather advisory notice for the coming weekend for very strong winds with potential to cause damage across the island of Ireland.

The conditions are expected to align with high seas and spells of heavy rain, starting on Thursday night.

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The national forecaster said the advisory notice may be upgraded to weather warnings, as a deepening low-pressure system tracks close to Ireland.

Met Éireann meteorologist Aoife Kealy said Tuesday is expected to begin with mist and fog which will be slow to clear but it will be a dry day for many with sunny spells and scattered showers. Highest temperatures will be in the range of 5 to 9 degrees, with a light southwest or variable breeze.

The forecast is for colder conditions from Tuesday night, featuring scattered showers with the unsettled conditions developing on Thursday. The very strong winds and heavy rain will potentially hit on Friday and at the weekend.

While there is as yet some uncertainty in the forecast for Friday, current indications suggest that it will be a very windy day with near gale force southwesterly winds developing, potentially reaching gale force in places. Heavy rain may turn to sleet or snow in places, and afternoon temperatures will be as high as 11 degrees.

Tim O'Brien

Tim O'Brien

Tim O'Brien is an Irish Times journalist