Weather warning issued for 20 counties ahead of 28C hottest day of the year
A status yellow fog warning has been issued for 20 counties in Ireland ahead of a foggy start to the morning before what are likely to be the two hottest days of the year.
The warning was issued by Met Éireann just before 6.30am on Thursday and will only remain in place until 9am.
It applies to all 12 counties in Leinster and all six counties in Munster as well as Monaghan and Cavan and warns of poor visibility in affected areas until it begins to clear later in the morning.
Once the warning has expired, Thursday looks on course to record the warmest temperatures of the year so far, with Met Éireann forecasting highs of 26 degrees in 'very warm' conditions with 'long spells of summer sunshine'.
The highest temperature recorded so far this year was 25.9C in Athenry in Galway on April 30, but that record will soon be broken if the forecast for the next two days is anything to go by.
After a very mild and close night on Thursday, Friday is set to be even hotter again, with temperatures reaching 28 degrees on a 'very warm or hot' and 'humid' day, with the warmest weather set to be felt in northern areas.
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Things will turn more unsettled heading towards the weekend when 'an Atlantic regime takes hold' and while it will still be warm with temperatures reaching 25 degrees on Saturday, there will also be some heavy and possibly thundery showers.
More of the same is promised on a cooler and breezier day on Sunday, with highest temperatures of 20 degrees and 'rather brisk westerly winds'.
Check out the Met Éireann forecast for the coming days below.
Mist and fog occurring widely to begin, lingering along southern and eastern fringes for a time, with poor visibility. Long spells of summer sunshine developing however too, and becoming warm or very warm. Top temperatures of 21 to 26 degrees, in light to moderate southeast breezes.
Very mild and close tonight. While most areas will remain dry, localised heavy showers may occur. Temperatures will not fall below 13 to 16 degrees, in light to moderate southeasterly breezes.
Friday will be very warm or hot. Overall dry with spells of high summer sunshine, however showers may break out locally. Humid with top temperatures of 21 to 28 degrees, highest values further north of the country, all in mostly moderate southeast breezes.
While warm sunshine is expected, a scattering of showers will occur too, some heavy and possibly thundery. Top temperatures of 19 to 25 degrees, warmest across the eastern half of the country, all in a light to moderate southwest wind.
Fresher and breezier than recent days with highest temperatures of 15 to 20 degrees, best values further east. Some sunny spells but showery rain too, all with rather brisk westerly winds.
Early next week
Similar conditions will likely prevail with fresh westerly winds steering in a scattering of passing showers; sunshine at times in between.
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