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 12 May 2025 at 08:00
(The BMCB forecast service is on holiday – next update on 29 May 2025)
🌧 Expected precipitation (next 36h):
- North of the Scheldt: 0 to 12 L/m²
- Between the Scheldt and Sambre-Meuse axis: 0 to 10 L/m²
- South of the Sambre-Meuse axis: 0 to 20 L/m²
Today
🌤 Morning
Mostly sunny conditions. Gradually, 30–60% cumulus clouds will develop over West Flanders, Hainaut, and the southern parts of Namur and Luxembourg.
🌬 Wind: from East to South, with gusts increasing from 15–25 km/h to 25–35 km/h in the Ardennes.
⛅ Afternoon
Sunny with 10–40% cumulus/altocumulus over northern Flanders, Antwerp, Flemish Brabant, Limburg, and Liège.
Cloud cover increases to 70–90% (cumulus/cumulonimbus) further south, with local showers or thunderstorms, especially in southern Flanders, Hainaut, Walloon Brabant, Namur and Luxembourg.
🌬 Wind: East to North in Flanders, South to Southwest in Wallonia. Gusts of 20–40 km/h, possibly 40–80 km/h under thunderstorms.
🌡 Highs: 20–24°C in Ardennes and coastal areas, 25–27°C in the lowlands.
🌆 Evening
Clear spells over Antwerp and Limburg. Elsewhere, still 30–60% cumulus/cumulonimbus with some remaining showers, possibly 70–100% cumulonimbus and isolated storms over Luxembourg.
🌬 Wind: variable, with gusts of 5–20 km/h, locally 35–55 km/h under the last storms.
🌙 Night
Mostly clear skies except locally inland, with 20–50% altocumulus. Fog and low stratus clouds (80–100%) likely in valleys south of the Sambre-Meuse line.
🌬 Wind: variable, gusts up to 5–15 km/h.
🌡 Lows: between 13 and 8°C, locally 7 to -2°C in the Ardennes valleys.
Tomorrow
🌤 Morning
Sunny, though locally 30–60% cumulus clouds over Hainaut, Walloon Brabant and Namur.
🌬 Wind: variable in Wallonia (5–15 km/h), East to Northeast in Flanders (20–30 km/h).
⛅ Afternoon
Mostly sunny with 0–30% cumulus inland. Still 40–80% cumulus/altocumulus over southern Flanders, Hainaut and Namur, with a risk of showers mainly over southern Hainaut and Namur.
🌬 Wind: East to Northeast, gusting 25–45 km/h.
🌡 Highs: 17–20°C along the coast, 19–24°C in the Ardennes, 24–26°C in the lowlands.
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(Chart)
Forecast for the coming days
(according to deterministic and operational models)
Weather Forecast – Updated on 10 May 2025 at 13:00
🌍 Detailed 6-Day Outlook
🌙 Night: increasing cloudiness (30–60%) from the north
📅 Wednesday, 14 May
🌡 Temperatures: 17 to 25°C
🌧 Precipitation: 0 L/m² throughout
🌥 Morning: mix of sun and 30–60% altostratus/cirrus
💨 Moderate N/NE wind with gusts up to 30–50 km/h
🌤 Afternoon: more sunshine with some remaining cumulus clouds (10–40%)
🌙 Night: mostly cloudy (90–100% coverage)
📅 Thursday, 15 May
🌡 Temperatures: 14 to 23°C
🌧 Precipitation: 0 L/m² throughout
🌥 Morning: 80–90% cloud cover, with sunny spells over Limburg, Liège, and Luxembourg
💨 Wind from N/NE with gusts up to 30–50 km/h
🌤 Afternoon: generally sunny with fewer clouds
🌙 Night: starry sky
📅 Friday, 16 May
🌡 Temperatures: 14 to 22°C
🌧 Precipitation: 0 L/m² throughout
☀️ Morning: mostly sunny
💨 Wind from N/NE with gusts of 35–55 km/h
🌤 Afternoon: sunny in West Flanders; more cloud cover inland (up to 90%)
🌙 Night: mix of clear spells and cloudiness
🔮 Weather Trend from 17 to 24 May
Based on ensemble models (AIFS & GC-GFS)
| 📅 Date | 🌡 Maxima | 🌧 Precipitation | 🔎 Overview |
|---|---|---|---|
| Sat 17/05 | 15–22°C | 0 L/m² | Dry weather |
| Sun 18/05 | 15–22°C | 0–1 L/m² | Mostly dry |
| Mon 19/05 | 14–22°C | 0–3 L/m² | A few inland showers |
| Tue 20/05 | 15–22°C | 0–2 L/m² | Isolated showers |
| Wed 21/05 | 15–22°C | 3–6 L/m² | Rain or showers likely |
| Thu 22/05 | 15–22°C | 1–5 L/m² | Some rain possible |
| Fri 23/05 | 15–23°C | 0–2 L/m² | Little or no precipitation |
| Sat 24/05 | 16–23°C | 1–3 L/m² | Scattered showers |
Copyright Luc Trullemans, only for publication on meteo-be.net & bmcb.info
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