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)
Updated on 19 November
Forecasts and trends for the period to 3 December
According to deterministic and operational models + AIFS
Wednesday, November 20: 0/7 degrees
Precipitation ( L/M² ):
Both Flanders: 0-10 / Centre of the country: 0-20 / South of Sambre/Meuse: 0-5
Breezy: 40-60 km/h
Morning: periods of showers of rain or hail over northern both Flanders and Kempen ; broad clearings elsewhere,
Noon: changeable with some showers of rain/melting snow but also snow over the north of the Ardennes ; clearings over the west and the south of the country
Next night: first some rare showers of melting snow or snow , then dry with clearings ; light frost inland and locally moderate frost in the Ardennes,
Thursday 21 November: -2/6 degrees
Precipitation ( L/M² ):
Both Flanders : 0-2 / Centre of the country : 0-20 / South of Sambre/Meuse : 0-2
Rather windy : 30-50 km/h
Morning: cloudy over the southwest and broad clearings in the northeast
Afternoon: broad clearings but slightly more clouds in the southwest and possibilty of snowfall over the extreem southeast of the country
Next night: little or no clouds but locally fog in the southwest ; light frost inland and locally moderate frost in the Ardennes,
Friday, November 22: -1/7 degrees
Precipitation ( L/M² ):
Both Flanders: 0-5 / Centre of the country: 0-5 / South of Sambre/Meuse: 0-5
Rather windy : 35-55 km/h
Morning: rather sunny weather
Afternoon: sunny weather
Next night: clearings but fog mainly over the south of the country ; light frost inland and locally moderate frost in the Ardennes,
Saturday, 23 November: 3/11 degrees
Precipitation ( L/M² ):
Both Flanders: 5-10 / Centre of the country: 5-10 / South of Sambre/Meuse: 5-10
Windy : 60-90 km/h
Morning: lots of low stratus and locally still fog
Noon: clear skies in the east and rain in the west
Next night: rain everywhere and rising temperatures
Sunday 24 November: 11/17 degrees
Precipitation ( L/M² ):
Both Flanders: 0-10 / Centre of the country: 0-25 / South of Sambre/Meuse: 20-25
Windy : 60-80 km/h
Morning: rain in the northwest and clearing in the southeast
Noon: bright to quite sunny but more cloudy in the northwest
Next night: possible heavy rain in the northwest but cloudy with clearing in the southeast
Monday, 25 November: 9/14 degrees
Precipitation ( L/M² ):
Both Flanders: 5-10 / Centre of the country: 5-20 / South of Sambre/Meuse: 15-40
Rather windy : 50-70 km/h
Morning: rain everywhere followed by clearing in the west
Afternoon: clearing skies
Next night: variable cloud cover
Possible trend (according to Ensembles & AIFS)
Tuesday, 26 November: 5/10 degrees
Precipitation (national): 5-10 L/M²
Periods of rain or showers ;
Wednesday 27 November: 3/8 degrees
Precipitation (National): 0-10 L/M²
Some showers locally ; possibly some melting snow in the high Ardennes ;
Thursday, 28 November: 2/7 degrees
Precipitation (National): 0-10 L/M²
Locally some showers, possibly snow showers in the high Ardennes ; light night frost in the Ardennes
Friday 29 November:2/7 degrees
Precipitation (National): 0 L/M²
Dry weather ; light night frost inland which may be moderate locally in the Ardennes
Saturday, 30 November: 2/7 degrees
Precipitation (National): 0-1 L/M²
Dry weather ; light night frost inland which may be locally moderate in the Ardennes
Sunday, 1 December: 2/7 degrees
Precipitation (National): 0 L/M²
Dry weather; light night frost inland which may be locally moderate in the Ardennes
Monday, 2 December: 0/6 degrees
Precipitation (National): 0-2 L/M²
Mostly dry weather but possibly a little snow in the Ardennes; light night frost inland which may be locally moderate in the Ardennes
Tuesday, 3 December: 1/7 degrees
Precipitation (national): 0 L/M²
Dry weather; light night frost inland which may be locally moderate in the Ardennes
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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 )