Thursday
There will be some low clouds in the coastal region and in the Westhoek on Thursday morning. However, these will quickly give way to sunny skies. Elsewhere, the sun will be obscured at times by high and medium cloud fields, according to forecasts from the Royal Meteorological Institute (RMI).
At the end of the afternoon and in the evening, a few sometimes stormy showers will develop in the south-east of the country and to a lesser extent in the center. It will still be quite hot with highs of 27 to 30°C over a large central part of the country, 29 to 31°C in the Ardennes, and 33 or 34°C in Gaume. In West Flanders, temperatures will already be falling with highs of 22 to 27°C. The wind will be light to moderate from west to northwest.
Tonight
Sometimes stormy showers should affect the east of the country and could possibly affect certain central regions; however, their intensity will vary greatly from place to place. The west could stay away from this activity. The minima will be between 13 and 20°C. The wind will be light to moderate and will blow to the north.
Friday
Tomorrow morning, sometimes stormy showers will still affect the southeastern half of the country. An isolated downpour will also be possible over the west. In the afternoon, the weather will become dry everywhere and sunnier from the west. The maximum will be between 19 or 20°C at sea and in Hautes-Fagnes and 25 or 26°C in Belgian Lorraine. The wind will be moderate, and at sea often quite strong, from the north sector.
Saturday
The sky will be sunny with a few transient high sails and, inland, also some cumulus clouds during the day. The maxima will vary from 20 to 25°C, under a moderate northeast wind.