Multimodel BMCB 8.0+ ( OPERATIONAL + ENSEMBLES ICON-GFS-ECMWF-AIFS )
Forecast of the range of maximum temperatures (+ trend vs last forecast) + 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)
By Luc Trullemans ( Meteorologist - BMCB ) with updates every 48h and publicated around 15h
Updated on 12 May - forecasts and trends for the period to 26 May.
Monday 13 May: 18/24
Variable or cloudy skies, with initially a few showers or thundershowers in the south-east. In the afternoon there will be more sunny spells, but also showers or thunderstorms, especially in the north and east.
During the night, there will be wide-open spells .
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Tuesday 14 May: 19/25°C
Fairly sunny in the morning but overcast during the course of the day with fairly good rain and thunderstorms, especially in the east.
During the night it will continue to rain quite heavily.
Wednesday 15 May: 14/20°C
Still rainy near the borders with the Netherlands and Germany.
Elsewhere cloudy or variable with sunny spells.
Cloudy or variable with rain or showers, possibly heavy and thundery.
thursday 16 may: 15/21
Return of rain from the north of the country.
Friday 17 May: 15/20°C
Variable/cloudy with showers that may be quite heavy and thundery, especially in the east of the country.
Saturday 18 May: 13/19
Variable/cloudy with showers likely to be fairly heavy, especially in the north and east of the country.
Fairly windy (45/65 km/h).
Sunday 19 May: 14/19°C
Showers at first, mainly in the east, but clearing from the west.
LIKELY TREND
Monday 20 May: 15/20°C
Some precipitation.
Tuesday 21 May: 16/21°.
Some precipitation.
Wednesday 22 May: 17/20°.
Little or no precipitation.
Thursday 23rd May: 16/21
Little or no precipitation.
Friday 24 May: 17/22°C
Dry.
Saturday 25 May: 16/22°C
Some precipitation.
Sunday: 15/21°C
Generally dry
SUMMARY:
It will still be very mild at the start of the week, but the weather will be changeable with sunny spells and showers or thunderstorms, which will be heavier/stronger on Tuesday.
The weather will then cool off, with rain or showers almost every day, possibly accompanied by thunderstorms.
The weather is expected to improve, but not before 22 May.
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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//
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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 )