The mercury has reached at least 25C in NI during the last two days, with a top temperature of 27.8C recorded in Armagh on Tuesday.
Derrylin, Co Fermanagh, recorded a temperature of 27.3C on Tuesday, with the mercury rising above 25C for a second consecutive day.
If a third 25-plus temperature is recorded in the village on Wednesday, NI will officially record its second heatwave of the summer.
“All eyes will be on Derrylin to see if Northern Ireland can reach a very localised heatwave,” said a Met Office spokesperson.
The first came last month after temperatures soared to 30C at Magilligan. That temperature was the hottest recorded in NI since July 2022.
This comes after a warm beginning to the working week, with temperatures reaching 21 degrees on Monday.
The current spell of warmer weather is set to continue for a few days, before thundery showers take hold on Thursday.
Tuesday saw bright and dry conditions throughout the day with minimal wind. Temperatures soared to 25C with a minimum temperature of 15C. There was minimal cloud cover throughout the day.
Wednesday morning will begin cloudy though dry, with that cloud breaking to give a dry and warm day with highs of 25C and lows of 15C. However, some patches of cloud may bring a slight chance of showers throughout the afternoon.
People enjoy a walk in Sea Park, Holywood during the warm weather on Tuesday. Press Eye – Belfast
Thundery showers are to be expected on a mostly cloudy Thursday afternoon with highs of 22C and lows of 13C.
The following Friday will have some localized mist and fog patches, however this will lead to some varied cloud cover with sunny spells. It will stay mostly dry with highs of 22C and lows of 12C.
The weekend will see a return to favourable dry and bright weather. Saturday will bright and dry with minimal cloud cover and highs of 23C and minimal temperatures of 13C. Light winds will also be expected.
Sunday will see similar conditions with highs of 22C and lows of 14C, there will be bright and dry conditions with gentle breezes.
People enjoy a walk in Sea Park, Holywood during the warm weather on Tuesday. Picture by Jonathan Porter / PressEye
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The favourable conditions will be welcomed by hordes of NI Oasis fans as they travel south to take in the band’s two concerts at Croke Park in Dublin.
Liam and Noel Gallagher will take to the Jones’s Road stage on both Saturday and Sunday evening as part of their reunion tour, their first since the band’s highly publicised split in 2009.
Both shows – which feature Richard Ashcroft and Cast as guests – sold out on their first day of sale.