Pressure Lugano − Zürich
Lugano−Zürich
+2.8hPa
Neutral
Foehn possible Northerly flow Altdorf (km/h) - - - forecast
Fœhn
Foehn indicators for Valais and the Alps, 4-day forecast.
2 graph(s) pinned to the home page.
The foehn chain, tested against 11 years of archive (FR) →
Lugano−Zurich pressure, simple version
Lugano−Zurich · simple
+2.8hPa
Neutral
Pressure Domodossola − Sion
Domodossola−Sion
+1.5hPa
Neutral
Foehn possible Northerly flow - - - forecast
Pressure Visp − Evionnaz
Visp−Evionnaz
+1.9hPa
Neutral
Down-valley Up-valley Visp (km/h) - - - forecast
700 hPa wind over the southern crest
700 hPa · ~3000 m
+2.5km/h
Neutral
Southerly flow Northerly flow - - - forecast
North−south temperature at 2500 m
ΔT nord−sud · 2500 m
+0.6°C
Neutral
South colder South warmer - - - forecast
MeteoSwiss foehn index
MétéoSuisse · 12 stations
Visp no foehn 2/5
as of 10:50
- Direction at Gütsch (90-240°) 150°
- Direction on site 140°
- Wind or gust 3.2 km/h
- Humidity below the limit 89.6 %
- Potential temperature -8.7 K
Sion no foehn 2/5
as of 10:50
- Direction at Gütsch (90-240°) 150°
- Direction on site 72°
- Wind or gust 4.7 km/h
- Humidity below the limit 88.9 %
- Potential temperature -10.1 K
Aigle no foehn 2/5
as of 10:50
- Direction at Gütsch (90-240°) 150°
- Direction on site 129°
- Wind or gust 11.9 km/h
- Humidity below the limit 82.3 %
- Potential temperature -9.1 K
The wind in the Rhone valley
Viège → Evionnaz
Viège 639 m SE 3/5
Varen 747 m NE 10/17
Chalais 520 m NE 2/7
Sion 482 m E 5/8
Evionnaz 482 m SE 34/51
down-valley windlight drainagevalley breeze
Down-valley wind established at: Evionnaz.
Viège is calm: a foehn entry always comes down from the top of the Rhone valley.
Wind aloft at Gütsch/Andermatt
Gütsch ob Andermatt 2287 m
+4.0km/h
Neutral
Southerly flow Northerly flow
Rhone valley stability
Sion 482 m / Gd St-Bernard 2472 m
0.39°C/100 m
Neutral
- - - Valley mixed - - - Cold air on the floor
Rain in Ticino
Locarno / Sion
0.0mm
Neutral
Locarno (south) Sion (north)
Foehn signature at Sion
Sion
gust Temperature Humidity - - - forecast
Forecasts: Open-Meteo. On Lugano − Zürich and Visp − Evionnaz the solid part comes from MeteoSwiss measurements. On the other graphs it comes from the model: no source covers Domodossola, and a 700 hPa wind cannot be measured from the ground.