A yellow weather warning for very warm and hot temperatures in Dublin, Leinster and Munster has been issued by Met Eireann.
The warning is set to kick in on Thursday at midday and will continue until 6am on Sunday. It's on top of the weather advisory issued for all of Ireland that warns of a hot spell from Wednesday.
It is also expected that nighttime will also be "uncomfortably warm" throughout the heatwave. The advisory is currently in place and will continue until Monday.
Read more: Dublin weather: How to cool down your house during heatwave
The warning from Met Eireann says: "Very warm or hot on Thursday, Friday and Saturday with maximum temperatures generally of 27 to 29 degrees. Warm at night with temperatures generally staying above 15 degrees. Daytime temperatures may not be as high in coastal areas due to sea breezes."
Impacts that could be caused by the weather include:
• Heat stress, especially for the more vulnerable of the population
• High Solar UV index
• Risk of water related incidents
The forecast from Dublin from Wednesday says:
Tomorrow, Wednesday will be another dry and sunny day. It will be very warm with highest temperatures of 23 to 26 degrees. Winds will again be light, with a sea breeze developing in coastal areas in the afternoon.
OVERVIEW
High pressure will continue to bring settled, mainly dry and sunny conditions. Very warm or hot as well through the rest of the week and weekend with temperatures widely in the mid to high twenties. Uncomfortably warm during the nights too.
Wednesday night
Dry and clear overnight with mist and fog developing in mostly calm conditions. Mild again with temperatures not falling below 9 to 14 degrees.
Thursday
A hot, dry and sunny day expected in mostly light breezes. Highest temperatures of 23 to 28 degrees, hottest in Leinster and Munster.
Read more: Met Eireann issue 'uncomfortably' warm forecast for Dublin as mercury to soar to near 30C
Thursday night
A very mild night with temperatures not falling below 10 to 15 degrees generally, staying above 16 or 17 degrees in places. Continuing dry and clear with some coastal fog forming in light easterly or variable breezes.
Friday
A hot day with long spells of sunshine. Dry for most with just the odd stray shower possible. Highest temperatures of 25 to 28 or 29 degrees in light easterly breezes. Staying very warm overnight with temperatures not falling below the mid to high teens.
Saturday and Sunday
Largely dry with good spells of sunshine and mostly light breezes over the weekend though there is a chance of thundery showers at times. Continuing hot on Saturday with highest temperatures of 25 to 29 degrees before falling slightly with highs of 23 to 27 degrees on Sunday. Night time temperatures won't fall below the mid to high teens.
Further Outlook
Current indications suggest that it will turn more unsettled early next week with temperatures falling back closer to average for the time of year.
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