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National Forecast

Issued at: 26 April 2018 21:26

TODAY - Thursday 26th April

Cloudy over Munster and Leinster overnight, with rain in southern coastal counties becoming more widespread. Showers elsewhere dying out, with clear spells developing. Lowest temperatures zero to plus 4 C., in light to moderate northeast breezes and with some grass frost forming under clear skies.

TONIGHT - Thursday 26th April

TOMORROW - Friday 27th April

Cloudy over east Munster and east Leinster at first on Friday, with some persistent rain, but this dying out for the afternoon, with some bright spells developing. A sunnier start elsewhere, but showers will develop, some heavy, with a risk of hail and thunder during the afternoon and early evening. Top temperatures 9 to 12 C., in light to moderate northeast to northerly breezes.

National Outlook

Headline: Cool and very mixed conditions over the weekend and early next week.

Friday night: Showers will become isolated on Friday night and it will turn cold under clear spells. Lowest temperatures of zero to 2 degrees Celsius in the light northerly breezes with a sharp ground frost.

Saturday will start cold and dry in many places with crisp sunshine, but cloud will soon increase and scattered showers will break out by the afternoon. Some of the showers will be heavy and slow-moving with a risk of hail and the odd rumble of thunder. Highest temperatures of o10 or 11 degrees Celsius in light northwest or northerly breezes. Showers will mostly dying out on Saturday night and many places dry and clear overnight. Lows of zero to plus 4 degrees Celsius with sharp grass frost and possibly some fog around dawn.

Another rather cold day with sunshine at first, but heavy showers developing, some once again slow moving with hail and risk of thunder. Top temperatures around 10 to 12 degrees Celsius. Winds veering light to moderate north or northeasterly. Cold and mostly dry overnight with light winds and lows of 0 to 3 degrees with grass frost and possibly some fog around dawn.

Monday: another cool day, good sunny spells, scattered showers also but possibly not as heavy as over the weekend. Highs of 11 or 12 degrees Celsius in light northwest breezes.

Current indications suggest a cool, breezy, wet day on Tuesday, with rain in all areas for a time with some heavy falls, clearing eastwards later in the day, followed by a cool, bright, breeze day on Wednesday with sunny spells and scattered showers.

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