Met Éireann issues a heat-stress warning for Ireland due to exceptionally warm weather. According to reports, the alert is scheduled to come into effect at 12:00 on Tuesday. The warning remains in place through the period of highest risk and is due to end at 09:00 on Friday. The guidance is intended to alert people to the health risks associated with high temperatures, particularly heat stress. Outlets reporting on the announcement note that the warning follows Met Éireann’s assessment of forecast conditions and signals a period when people may need to take precautions, especially those who are more vulnerable to the effects of heat. The reports from both outlets describe the same timing for when the warning starts and when it is lifted, indicating a coordinated national public health/weather alert. No additional details about specific counties or threshold temperatures are included in the provided text.