It will in place until Saturday morning.
A status yellow temperature warning comes into effect at 8 o'clock this morning.
Met Éireann is warning people in the midlands and the rest of the country of the possibility for uncomfortable sleeping conditions and heat stress.
It will expire on Saturday morning with highs in excess of 27 degrees expected.
These people were asked what they thought of the heat:
Irish households are being asked to conserve water, as the spell of warm weather continues.
Uisce Eireann is appealing to the public to take practical steps as part of its "Think Water Conservation" campaign.
Over half of homes admit to wasting water, with usage in Dublin alone reaching up to 20 million litres a day in warm weather.
Head of Water Operations Margaret Attridge says making small changes can have a big impact.
Laois Driving Instructor Taking On Sahara Ultramarathon
Planning Permission Formally Submitted for Offaly Wind Farm
Latest NASA Moon Mission Countdown Almost Underway
Laois TD Raises Lack Of EV Charging Points In County
Various Factors Behind Employees Quitting - Laois CEO
Revenue Seize Contraband Worth Over €654k
Luke Thomas And The Swing Cats Welcome Special Guest At Birr Theatre
Farmers Warn Dog Attacks Will Continue Without Tougher Enforcement
Irish Rail Issues Warning As Key Train Routes Shut For Easter Works
Midlands Restaurant Set To Be Demolished
Second McDonalds Confirmed For Mullingar
Three People Arrested In Connection With Investigation Into Murder Of Midlands Man
Committee Formed To Push Government On Haulier Issues
Westmeath LEGO Workshop Taking Place Today
IWA Campaign Calls For Full Time Access Officers
Westmeath Gardaí Appeal For Witnesses
Laois Hotel To Hold Fuel Crisis Meeting This Weekend
Midlands MEP Welcomes European Ban On AI 'Nudification’ Apps
Jadotville Monument Unveiled In Westmeath
LOETB Highlight Importance Of Prisoner Education Programmes