Met Eireann’s latest forecast shows an unusual swing in conditions as Saturday brings dry weather and sunshine for many before a grim turn on Sunday - which is then followed by the arrival of a dominant high-pressure system.
The Irish weather experts have a status yellow rain warning in place from 2:00 am tonight until midnight on Sunday due to the arrival of “high amounts of rainfall may cause some disruption and spot flooding, with highest amounts in mountainous areas.”
Despite the glorious forecast today with temperatures hitting 22C in some counties, there is a small possibility of a few showers developing in the southwest during the afternoon.
READ MORE: Met Eireann pinpoints one more day of sunshine before rain batters entire country
However, it will be dry early on Saturday night with long clear spells. As the warning period approaches, clouds will thicken from the south overnight with rain developing in Munster and south Connacht before dawn.
Temperatures will lower as rain extends nationwide on Sunday, turning heavy and persistent in places. Isolated thundery downpours are also possible along with the potential for localised flooding.
It will be humid and breezy on Sunday with highest temperatures of 17 to 20 degrees in fresh southerly winds.
Further outbreaks of rain are expected on Sunday night and will be heavy in places but it will remain fairly mild and humid overnight with lowest temperatures of 12 to 16 degrees with moderate breezes.
Heavy rain is due to clear on Monday as high pressure builds, bringing a good deal of dry and fine weather across the country.
The rain will become largely confined to the southeast of the country with sunny spells developing elsewhere at the beginning of the week.
Top temperatures will range from a rather fresh 15 or 16 degrees in the north to 20 or 21 degrees in the south.
Tuesday looks set to be a mainly dry day again with long spells of sunshine and highest temperatures ranging from 16 to 20 degrees - warmest in southern counties in moderate northerly winds.
It will continue to be mainly dry overnight with long clear spells but rather cool at night with lowest temperatures of 6 to 9 degrees in light northerly winds.
Wednesday is expected to be a dry day with sunshine and highest temperatures of 16 to 20 degrees in moderate northerly breezes.
A mostly dry night is forecast with clear spells and lowest temperatures of 6 to 10 degrees.
As for farther-off predictions, the Irish forecaster says: “Early indications suggest high pressure will build near Ireland bringing mostly dry and settled conditions for the remainder of the week.”
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