Northern Ireland is officially experiencing a heatwave

Image source, Keith Boatman

Image caption, Boats docked at harbour in Portrush, County Antrim. Temperatures in parts of NI exceeded 27C on Tuesday
  • Author, Barra Best
  • Role, 成人快手 News NI weather presenter

Parts of Northern Ireland are now officially under heatwave conditions, according to the Met Office.

In NI a heatwave is when temperatures exceed 25C for at least three consecutive days.

According to the Met Office this has happened in the north-west, in counties Antrim and Londonderry.

Tuesday also marked the highest June temperature in five years. Thermometers reached 29C in Ballywatticock, County Down, in the afternoon.

This was the highest temperature recorded in Northern Ireland and joint highest on the Island of Ireland along with Oak Park in County Carlow.

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On Tuesday thermometers also climbed to above 27C at Magilligan in County Derry and in 28C in Armagh, making it the hottest day of the year so far.

The heat is enough to spark off some heavy showers and thunderstorms, for which a warning is in place until 21:00 BST.

Image caption, The average temperature for this time of year is around 18C.

Very warm conditions are forecast to continue across Northern Ireland for the rest of the week, with temperatures around the mid-20s, or possibly higher.

The average temperature for this time of year is around 18C.

A risk of heavy or thundery downpours is then expected on Friday and over the coming weekend but it will stay quite warm for the time of year.