Weather report Monday
Sunny day with high clouds from 13h on
Wind:
- Week valley brises, at Disentis Landing probably South from 14h on
- 2000m: SW along the relief 5-10kn
- 3000m: SW 5kn
The wind at take off will pick up at 13h. You can look to this prognosis:
https://meteo.search.ch/wind/disentis-muster
The thermal top at 11h is probably just at TO-hight 2200m
With the calculations I can make, we should take off at 12h and airstart at 13h
Thermal top 14h: 2700m, later up to 2900m in the high mountains
0° at 4300m, temperature at thermal top 10° (to answer the question about the temperature: it is nicely warm)