Temperatures are expected to drop significantly tonight throughout Belgium, according to the Royal Meteorological Institute.
In the Ardennes, temperatures could reach -3° Celcius at night, while in the rest of country they are expected to be between 0 and + 3 degrees.
On Thursday, the weather will remain dry and mostly sunny during the day.
The maximum temperatures will reach 11 degrees in Brussels and the centre of the country, with a light to moderate wind from east to southeast.
The Brussels Times