Pressure Lugano − Zürich
Lugano−Zürich
-1.7hPa
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
-1.7hPa
Neutral
Pressure Domodossola − Sion
Domodossola−Sion
-2.0hPa
Neutral
Foehn possible Northerly flow - - - forecast
Pressure Visp − Evionnaz
Visp−Evionnaz
+1.8hPa
Neutral
Down-valley Up-valley Visp (km/h) - - - forecast
700 hPa wind over the southern crest
700 hPa · ~3000 m
+1.9km/h
Neutral
Southerly flow Northerly flow - - - forecast
North−south temperature at 2500 m
ΔT nord−sud · 2500 m
+0.2°C
Neutral
South colder South warmer - - - forecast
MeteoSwiss foehn index
MétéoSuisse · 12 stations
Visp no foehn 1/5
as of 06:40
- Direction at Gütsch (90-240°) 358°
- Direction on site 90°
- Wind or gust 3.6 km/h
- Humidity below the limit 83.8 %
- Potential temperature -17.3 K
Sion no foehn 1/5
as of 06:40
- Direction at Gütsch (90-240°) 358°
- Direction on site 116°
- Wind or gust 5.4 km/h
- Humidity below the limit 87.7 %
- Potential temperature -18.4 K
Aigle no foehn 1/5
as of 06:40
- Direction at Gütsch (90-240°) 358°
- Direction on site 187°
- Wind or gust 2.5 km/h
- Humidity below the limit 86.7 %
- Potential temperature -17.8 K
The wind in the Rhone valley
Viège → Evionnaz
Viège 639 m E 4/7
Varen 747 m NW 4/10
Chalais 520 m NE 5/8
Sion 482 m SE 5/8
Evionnaz 482 m SE 26/37
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
-14.5km/h
Neutral
Southerly flow Northerly flow
Rhone valley stability
Sion 482 m / Gd St-Bernard 2472 m
0.02°C/100 m
Cold air on the floor foehn can stay above you
- - - 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.