Key takeaways
- DGS raised the heat-health risk level to orange across all of Portugal
- Orange level may allow hospitals to postpone non-urgent care
- Health authorities warn of rising heat-related mortality risk
- Vulnerable groups, including elderly residents, face the greatest danger
Portugal’s Directorate-General of Health (DGS) has raised the heat-health risk level to orange for the entire country, warning that hospitals may need to take extraordinary measures — including postponing non-urgent medical activity — as a heatwave intensifies. The agency also flagged an expected rise in heat-related deaths in the coming days.
What the orange alert level actually triggers
Portugal’s heat-health warning system, run jointly by DGS and the meteorological institute IPMA, ranks risk on a colour scale similar to weather warnings, from green through yellow, orange and red. Reaching orange nationally is significant because it typically prompts local health authorities and hospitals to activate contingency plans, which can include rescheduling elective appointments and non-urgent procedures to preserve emergency capacity.
For foreign residents unfamiliar with the system, this is not the same as an IPMA weather warning, though the two are often issued together during heatwaves. The DGS alert specifically concerns pressure on the health system and the danger to human health from prolonged high temperatures, rather than fire risk or storm damage.
Who faces the greatest risk during this heatwave
Health authorities have long identified older adults, young children, people with chronic illnesses and outdoor workers as the groups most vulnerable to heat stress. Retirees and second-home owners in Portugal, who often skew older than the general population of foreign residents, should pay particular attention to hydration, avoiding midday sun and checking on isolated neighbours.
The DGS warning that mortality impacts are expected to worsen underscores that this is being treated as a genuine public health emergency rather than routine seasonal discomfort. Anyone with pre-existing health conditions or who is currently prescribed medication that affects temperature regulation should be especially cautious.
Why non-urgent appointments in Portugal may be delayed
If hospitals do act on the DGS guidance to defer non-urgent activity, patients across the country — including foreign residents relying on the SNS or private clinics coordinating with public emergency services — could see appointments or elective procedures rescheduled. This is intended to free up staff and beds for heat-related emergencies such as dehydration, heatstroke and cardiovascular complications.
Residents with upcoming medical appointments during the alert period are advised to confirm directly with their clinic or hospital rather than assuming appointments will proceed as scheduled. Those needing urgent care should still seek it without delay, as the measures target only non-urgent services.

