Met Eireann have issued a status yellow high temperature warning for the entire country.
It will come into effect at 8 o'clock tomorrow morning until 8 o'clock on Saturday.
Met Eireann are warning of very warm and humid weather on Thursday and Friday. Daytime temperatures in excess of 27 degrees in many areas away from coasts with night time temperatures not falling below 15 degrees.
• Heat stress
• Uncomfortable sleeping conditions
• Risk of water related incidents