Multimodel BMCB 9.0 ( OPERATIONAL + ENSEMBLES ICON-GFS-ECMWF-AIFS )
15 days forecast of the range of maximum temperatures, precipitations + general type of weather in Belgium
(Usually the highest values are in urban areas, the lower Meuse valley, the Gaume and in the Campine, except in the cold season where these values occur mainly in the coastal area; the lowest values are largely expected on the highlands of the Ardennes)
Here is the translation of your weather forecast into English:
Updated on December 11
Forecast and trends for the period up to December 25
Based on deterministic and operational models + AIFS
Thursday, December 12: 1/6°C
Precipitation (L/m²):
- Both Flanders: 0
- Center of the country: 0
- South of the Sambre/Meuse: 0
Morning: Some freezing fog inland, but also clear skies from the center to the east of the country.
Afternoon: Sunny weather south of the Sambre and Meuse; low stratus clouds elsewhere.
Night: Widespread frost from the center to the east with freezing fog in the plains; moderate frost possible in the eastern valleys.
Friday, December 13: 1/5°C
Precipitation (L/m²):
- Both Flanders: 0
- Center of the country: 0
- South of the Sambre/Meuse: 0
Morning: Persistent freezing fog locally in the plains and in Gaume, with occasional clear skies.
Afternoon: Sunny, but persistent low stratus clouds in the west.
Night: Cloudy and misty, with clear spells in the east; widespread frost from the center to the east, with fog in the eastern valleys.
Saturday, December 14: 0/8°C
Precipitation (L/m²):
- Both Flanders: 0-3
- Center of the country: 0-3
- South of the Sambre/Meuse: 0-4
Morning: Cloudy but some sunshine appearing from the center to the east.
Afternoon: Light rain in the west and towards the evening in the center; cloudy with occasional sunshine elsewhere.
Night: Rainy in the southeast with clear skies elsewhere; wet snow >400m and snow >600m in the Ardennes.
Sunday, December 15: 2/10°C
Precipitation (L/m²):
- Both Flanders: 0-1
- Center of the country: 0-1
- South of the Sambre/Meuse: 0-3
Morning: Cloudy with clear spells.
Afternoon: Cloudy with occasional rain or showers in the northern half of the country.
Night: Cloudy and very misty with fog over higher areas.
Monday, December 16: 5/12°C
Precipitation (L/m²):
- Both Flanders: 0
- Center of the country: 0-1
- South of the Sambre/Meuse: 0-1
Wind: Fairly windy: 30-50 km/h.
Morning: Cloudy skies.
Afternoon: Variable with occasional clear skies near the coast.
Night: Cloudy with possible clear spells.
Tuesday, December 17: 5/11°C
Precipitation (L/m²):
- Both Flanders: 0
- Center of the country: 0
- South of the Sambre/Meuse: 0
Wind: Fairly windy: 30-50 km/h.
Morning: Cloudy with clear spells.
Afternoon: Fairly sunny.
Night: Cloudy with clear spells.
Wednesday, December 18: 4/9°C
Precipitation (L/m²):
- Both Flanders: 0
- Center of the country: 0
- South of the Sambre/Meuse: 0
Morning: Cloudy with clear spells.
Afternoon: Variable skies.
Night: Cloudy skies.
Thursday, December 19: 7/13°C
Precipitation (L/m²):
- Both Flanders: 0-5
- Center of the country: 0-5
- South of the Sambre/Meuse: 0-5
Wind: Fairly windy: 50-70 km/h.
Morning: Cloudy skies with occasional rain.
Afternoon: Rainy weather.
Night: Rainy weather.
Probable Trends (based on Ensembles & AIFS):
- Friday, December 20: 3/10°C
- Precipitation: 5-10 L/m² (national range).
- Rain or showers.
- Saturday, December 21: 3/10°C
- Precipitation: 2-10 L/m² (national range).
- Intermittent precipitation.
- Sunday, December 22: 4/11°C
- Precipitation: 2-5 L/m² (national range).
- Occasional intermittent precipitation.
- Monday, December 23: 4/11°C
- Precipitation: 5-10 L/m² (national range).
- Intermittent rain or showers.
- Tuesday, December 24: 2/8°C
- Precipitation: 3-5 L/m² (national range).
- Occasional intermittent precipitation; risk of wet snow over the Ardennes highlands.
- Wednesday, December 25: 1/7°C
- Precipitation: 2-5 L/m² (national range).
- Occasional rain or showers; risk of wet snow over the Ardennes highlands.
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Copyright Luc Trullemans, only for publication on meteo-be.net & bmcb.info
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Graphics - General Forecast: https://www.bmcb.be/forecast-trend//
Analysis & Forecast maps : https://www.bmcb.be/forecast-europ-maps/
Thermal anomalies: https://www.bmcb.be/anomalies-belgium/
City forecast from ECMWF: https://www.windy.com/50.847/4.352?temp,50.822,4.352,12,i:pressure/ (replace location left above)
City forecast from ICON: https://www.windy.com/50.847/4.352?iconD2,temp,50.822,4.352,12,i:pressure,m:e3Tagiq/ (replace location left above )