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National Forecast

Issued at: 25 May 2018 17:13

TODAY - Friday 25th May

Dry and warm in most areas this evening with good sunshine but becoming cloudier in coastal areas of the southeast and east with some scattered showers moving in off the Irish Sea. North to northeast breezes will be mostly moderate, but will be fresh and gusty on exposed coasts.

TONIGHT - Friday 25th May

Many places will be dry tonight, but showers will tend to move westwards over the country during the night. However the showers will be mostly in eastern and southern counties and will be more isolated elsewhere. Moderate northeast breezes and overnight lowest temperatures 8 to 12 degrees Celsius.

TOMORROW - Saturday 26th May

Some hazy sunshine will break through tomorrow morning after a rather cloudy start. Many places will be dry for much of the day but there will be a few scattered heavy showers also, especially in southern and southwestern counties with a slight risk of isolated thunderstorms. Later in the afternoon or evening, cloudy conditions with a band of heavy, prolonged showers will move into southeastern and southern counties and some very heavy or thundery falls are expected tomorrow night. Highest temperatures 17 to 22 degrees Celsius, highest in northern and northwestern areas in moderate occasionally fresh east to northeast winds.

National Outlook

OUTLOOK: Becoming even warmer over the coming days as continental air continues to feed in across Ireland. A lot of dry, bright weather generally with light to moderate easterly breezes, however as the humidity increases, so too will the threat of scattered thunderstorms.

TOMORROW NIGHT: Mild and close with fairly widespread showers. Some of the showers will be heavy and possibly thundery, especially across the southern half of the country with possible spot flooding. Mist and fog setting in locally too. Lowest temperatures 9 to 13 degrees Celsius.

SUNDAY: Again warm and humid with highest temperatures typically ranging 18 to 22 or 23 degrees Celsius, warmest across central and northern areas. Some southwestern counties will experience slightly lower maxima with onshore breezes. Scattered showers for a time early on but they will tend to become more isolated with spells of sunshine through the day, all in near calm. Thundery showers may move in across eastern counties around nightfall though.

MONDAY and TUESDAY: Very warm with temperatures in the low to mid twenties generally. Mostly dry and sunny with light easterlies, however some thundery showers will once again break out in parts, with southern counties most at risk of seeing these.

The trend is for a similar regime to follow for another couple of days.

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