Tuesday will start under an overcast sky. Raindrops and snowflakes will share the territory, the former concentrating on lower and middle Belgium and the latter on upper Belgium, according to forecasts from the Royal Meteorological Institute (IRM). Precipitation will then shift to the southeast. The most intense will affect the center of the country, where they can turn into melting snow over the hours. Further north, even if they will become weaker, they could also adopt a winter character with the drop in temperatures.
The maxima will be between 1 and 6°C: they will be reached in the afternoon south of the Sambre-et-Meuse furrow and in the morning north of it.
During the night from Tuesday to Wednesday, a little melting snow will first be observed in lower and middle Belgium before the return of temporarily drier weather. South of the Sambre-et-Meuse furrow, snowfall or melting snow will continue with an accumulation above 200 to 300 m. At the end of the night, the snow wave should move up towards the center and then the north of the country to extend to most regions on Wednesday morning. The situation could then become tricky with an accumulation of snow down to the plains.
Night temperatures will drop to values close to 0°C in the plains to -3°C in the Hautes Fagnes.
Wednesday will start the day under overcast skies with snowfall in most areas. Over the hours, the air mass will soften over the south of the country and the snow should turn into rain. In the afternoon, the weather will become drier in lower and middle Belgium. It will be cold with maximums of 1 to 2°C in the center, 2 to 3°C in the Ardennes and 6 to 7°C in Gaume.