Vierwaldstättersee area 2026-May-21-Thu at 19:50:56Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016.
Evening forecast with data 12Z.
| Date | | 2026-May-22-Fri | | 2026-May-23-Sat | | 2026-May-24-Sun | | 2026-May-25-Mon | | 2026-May-26-Tue | | 2026-May-27-Wed | | 2026-May-28-Thu | |
| Winter (Summer) time | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | | 10h (11h) | 13h (14h) | 16h (17h) | |
| Flyable ? +/- | | +++ | +++ | +++ | | +++ | +++ | +++ | | +++ | +++ | --- | | +++ | +++ | +++ | | +++ | --- | --- | | --- | +++ | --- | | +++ | +++ | +++ | |
| ThQ % | | 62 | 90 | 89 | | 62 | 87 | 77 | | 62 | 76 | 54 | | 58 | 88 | 77 | | 71 | 71 | 34 | | 40 | 64 | 42 | | 53 | 73 | 84 | |
| General wind kmh | | N 4 | NNW 4 | N 5 | | N 4 | N 6 | NNE 8 | | NNE 6 | NNE 7 | NE 13 | | N 4 | NNE 7 | NNE 10 | | NNE 5 | N 7 | NNE 10 | | NNE 7 | NE 10 | NNE 13 | | NNE 8 | N 8 | N 7 | |
| Top wind kmh | | SW 1 | SW 3 | SW 5 | | NNE 1 | NE 6 | ENE 9 | | E 8 | E 10 | E 10 | | E 3 | E 3 | ENE 3 | | ESE 4 | SE 6 | NNE 10 | | ENE 7 | ENE 8 | ENE 9 | | ENE 5 | ENE 4 | N 4 | |
| Cloud cover % | | 26 | 5 | 5 | | 40 | 5 | 0 | | 5 | 0 | 5 | | 57 | 21 | 17 | | 8 | 63 | 95 | | 71 | 55 | 66 | | 5 | 5 | 4 | |
| Rain mm | | 0 | 0 | 0 | | 0 | 0 | 0 | | 0 | 0 | 0 | | 0 | 0 | 0 | | 0 | 0 | 1 | | 0 | 0 | 0 | | 0 | 0 | 0 | |
| Sea level Pressure hPa | | 1026 | 1025 | 1024 | | 1026 | 1025 | 1024 | | 1027 | 1025 | 1024 | | 1027 | 1026 | 1025 | | 1026 | 1023 | 1022 | | 1023 | 1021 | 1020 | | 1022 | 1020 | 1020 | |
| Isotherm 0°C m | | 3900 | 3900 | 4000 | | 4000 | 4000 | 4000 | | 4000 | 4000 | 4100 | | 4200 | 4200 | 4300 | | 4400 | 4400 | 4400 | | 4200 | 4200 | 4100 | | 4000 | 4000 | 4000 | |
| Storm risk | | No or very low risk. | | Low risk. | | High risk. | | Middle risk. | | Very high risk. | | Middle risk. | | No or very low risk. | |
NB: not flyable --- if rainy, too cloudy, too windy and high risk of thunderstorm.