Multimodel BMCB 10.0 ( OPERATIONAL + ENSEMBLES ICON-GFS-ECMWF-AIFS-GCGFS )
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)
36-hour forecast (Chart)
(According to deterministic and operational models: MULTIMODEL BMCB)
Update – 2 May 2025, 08:00
🌧 Expected precipitation (next 36 h):
- North of the Scheldt: 0–3 L/m²
- Between Scheldt and Sambre-Meuse: 1–12 L/m²
- South of Sambre-Meuse: 2–23 L/m²
📅 Today:
🔹 Morning: Predominantly sunny skies.
🌬 Wind: West to southwest, gusts of 20–30 km/h.
🔹 Afternoon: Sunny with scattered high clouds (10–20 % cumulus/altocumulus/cirrus).
🌬 Wind: West to northwest, gusts of 20–40 km/h.
🌡 Highs: Around 16°C at the coast, 24–29°C inland depending on elevation.
🔹 Evening: Mostly clear with occasional high clouds (10–30 %).
🌬 Wind: From the north, gusts of 5–25 km/h.
🔹 Night: Partly to mostly cloudy with clear spells and 60–100 % stratocumulus/altocumulus/cirrus.
🌬 Wind: North to northeast, gusts of 5–25 km/h.
🌡 Lows: Generally between 9 and 14°C, locally 5–9°C in southern valleys of the Sambre-Meuse trench.
📅 Tomorrow:
🔹 Morning: Still dry over Antwerp, both Flanders and western Hainaut. Elsewhere, widespread cloud cover (50–90 % at all levels).
🌬 Wind: From the north, but south to southwest in southern Ardennes and Gaume, gusts of 15–30 km/h.
🔹 Afternoon: Last bright intervals in northern Campine. Elsewhere, mostly cloudy to overcast (60–100 %) with rain or thunderstorms, mainly over Hainaut, Walloon Brabant, Namur, southern Liège, and Luxembourg. In the evening, lighter rain also possible in southern parts of Flanders, southern Antwerp, Flemish Brabant, Limburg, and northern Liège.
🌬 Wind: West to north, gusts of 20–40 km/h (locally stronger under storms in Wallonia).
🌡 Highs: Around 13°C on the coast, 19–22°C inland.
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(Chart)
Forecast for the coming days
(according to deterministic and operational models)
Weather Update and Forecast
Updated Wednesday 30 April 2025 at 12:00
Detailed outlook for the next 6 days (based on deterministic and operational models)
🌙 Night: still cloudy with some residual rainfall
📅 Sunday 4 May
🌡 8 to 15°C | 🌧 0 to 6 mm
💨 Moderate to strong north to northeast winds (gusts 30–50 km/h)
🌥 Morning: mostly cloudy with patchy rain over southern areas; clearer in Flanders
🌤 Afternoon: skies becoming variable with 30–70% mid- and high-level clouds
🌙 Night: wide clear spells but incoming stratocumulus clouds
📅 Monday 5 May
🌡 7 to 14°C | 🌧 0 to 1 mm
💨 Northern wind with gusts up to 55 km/h
🌥 Morning: mostly to heavily clouded inland, clearer near the coast
🌤 Afternoon: sunnier with some local cumulus development (10–30%)
🌙 Night: changeable skies with up to 100% cloud cover over eastern and southern Belgium (e.g. Limburg, Liège, Luxembourg, Namur, and parts of Hainaut and Brabant)
📅 Tuesday 6 May
🌡 10 to 18°C | 🌧 0 to 2 mm
💨 Brisk northeast wind with gusts of 40–60 km/h
🌧 Morning: rain expected over Flemish Brabant, Hainaut, Namur and Luxembourg; elsewhere partly cloudy
🌥 Afternoon: sunnier in Flanders, still variable elsewhere with 30–80% cloud cover
🌙 Night: mostly clear but local stratocumulus or altostratus (20–60%)
🔮 Weather Trend (AIFS & GC-GFS ensemble averages)
📅 From Wednesday 7 to Wednesday 14 May
☀️ Prolonged dry spell with rising temperatures:
- 7 May: 10–16°C
- 8 May: 12–18°C
- 9 May: 12–19°C
- 10–14 May: 13–21°C
Copyright Luc Trullemans, only for publication on meteo-be.net & bmcb.info
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