|Monday11. Dec.||Tuesday12. Dec.||Wednesday13. Dec.||Thursday14. Dec.||Friday15. Dec.||Saturday16. Dec.||Sunday17. Dec.||Monday18. Dec.||Tuesday19. Dec.||Wednesday20. Dec.|
|3 hourly||3 hourly||3 hourly||3 hourly||3 hourly||3 hourly||3 hourly||3 hourly||3 hourly||3 hourly|
|Temperature||-6 °C||-6 °C||-12 °C||-13 °C||-15 °C||-8 °C||-7 °C||-6 °C||-4 °C||-8 °C|
|-5 °C||-7 °C||-11 °C||-14 °C||-14 °C||-13 °C||-8 °C||-9 °C||-6 °C||-9 °C|
|Sunshine||0.2 h||1.4 h||3.6 h||0.7 h||3.2 h||7.5 h||7.7 h||3.8 h||8.3 h||1.3 h|
|0 %||15 %||45 %||10 %||40 %||90 %||90 %||45 %||100 %||15 %|
|precipitation||30 - 35 mm||10 - 15 mm||6 - 9 mm||2 - 4 mm||1 - 2 mm||0 mm||0 mm||0 mm||0 mm||1 - 3 mm|
|100 %||100 %||95 %||95 %||75 %||0 %||0 %||0 %||0 %||65 %|
|Wind||30 km/h||25 km/h||20 km/h||15 km/h||15 km/h||25 km/h||15 km/h||10 km/h||10 km/h||25 km/h|
|90 km/h||70 km/h||65 km/h||30 km/h||50 km/h||65 km/h||40 km/h||25 km/h||20 km/h||50 km/h|
|Freezing level||2700 m||2600 m||1700 m||1400 m||1500 m||2600 m||3100 m||3300 m||3700 m||2600 m|
This Monday, very cloudy. In the morning, frequent, even locally heavy precipitation (particularly over the western Alps). Rain becoming more intermittent in the afternoon, even scattered in the evening and early part of the night. Snow limit at around 2200 m during the day (1300 to 1500 m in the Upper Valais due to isothermal conditions), then 1800 to 2000 m in the evening and at night. Rivers often in flood, so take care!
Temperatures forecast for the Rhône plain: lows 3 to 8°C, highs 6 to 10°C. In stations around 1500m: lows 2 to 3°, highs 3 to 5°. On the summits: 1/1° at 2000m, -4/-4° at 3000m. Isotherm of 0°: 2600 m.
Little wind during the day on the Rhône plain. Moderate westerly wind in the high mountains.
(MeteoNews, 11 December, 8 am)Nicolas Borgognon; Monday, 11. December 2023, 7 Uhr
Tuesday, very cloudy and often rainy in a windy atmosphere in the mountains. Snow limit around 2200 m, falling to around 1800 m overnight. Continued washing in the mountains and rivers often in flood. 9 to 12°, 4° at 1500 m.
Wednesday, changeable to cloudy conditions. Showers mainly in the morning, then again in the evening and early part of the night. Snow line dropping from 1500 to 1000 m by overnight. 8 to 9°, 1° at 1500 m.
Thursday, still very cloudy, despite a few sunny spells. Showers becoming rarer and mainly confined to the higher ground. Flake limit around 1000 m. 6 to 8°, 0° at 1500 m.
From Friday, a period of high pressure sets in. Some residual cloud on Friday. Seasonable temperatures at low altitudes, but a clear easing by the weekend in the mountains, with the zero degree limit rising above 3000 m.Nicolas Borgognon; Monday, 11. December 2023, 7 Uhr
Le Tour Noir, 11. December 2023