Mercury climbs slowly and surely.
DThe morning will be bright and sunny, but clouds will form but the weather will remain dry with slightly rising temperatures, says the Royal Meteorological Institute.
The sky will be partly cloudy in the second half of the day although the thunderstorms may still be wide, especially in the west and south-west of the country. The mercury will reach 11ºC on the Ardennes heights and locally 16ºC on the center of the territory. The wind will be moderate.
The sky will clear again during the night. Altitude clouds will then invade the country from the French border. The minima, which should no longer reach the frost threshold, will be between 2ºC in Upper Belgium and 7ºC on the west.
► Weather: in which region will it be 20 degrees
Forecasts of the next days
Tuesday, temperatures will reach values between 12 degrees in the highlands of the Ardennes and 17 or 18 degrees in Flanders. The wind will be moderate from east to southeast.
Wednesday, maxima of 11 to 15 degrees with a low to sometimes moderate wind from south to southwest.
On Thursday, the mercury will rise to 19 degrees.
Friday, the MRI announces 21 degrees.