On Friday and Saturday, temperatures will reach highs of 29 to 34°C in Belgium.
At the Belgian coast the weather will be slightly milder with temperatures expected at 27 or 28°C at sea, with a light to moderate wind.
On Sunday, some clouds will appear but the heat will remain strong. The mercury is expected to rise to 35 degrees.
A few showers or thunderstorms could however break out in the evening or during the night.