Orange heat alert extended as Belgium faces an escalating heatwave
The Royal Meteorological Institute (IRM) has extended an orange heat alert over most of Belgium as a heat dome pushes temperatures to 35°C and above through the weekend. Night temperatures remain dangerously high, preventing recovery — especially for elderly people, children, outdoor workers and those with chronic health conditions.
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About this story
The IRM orange heat alert indicates a multi-day public health risk. Orange is the third of four alert levels (green → yellow → orange → red) and activates crisis-centre safety protocols across Belgium.
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Regional impact
The alert spans most of Belgium, with the highest temperatures expected inland in Wallonia and in the southern and eastern Flemish provinces. Brussels is also under the orange threshold. Coastal areas may see slightly lower peak values but are not exempt. The IRM forecast shows this pattern persisting until at least Sunday, when storm risk may bring relief.
Questions readers ask
- ·What does an orange IRM alert mean for everyday activities?
- ·Where can I go to cool down?
- ·When will the heatwave end?
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This briefing was prepared with AI assistance and reviewed by a Belgium Impulse editor before publication. methodology.