Hinterrugg
📍 Saint Gallen , Wahlkreis Sarganserland · Nearest city: Walenstadt (3 km)
60 XC score / 100 · takeoff at 2183 m · 📍 View on map
Coordinates and external links
47.15280, 9.30425Forecast next days
Updated: 2026-04-20 12:34 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~379 m, viento 15 km/h.
base ~379m · wind 15 km/hDía volable, condiciones decentes, base de cúmulos ~375 m, viento 15 km/h.
base ~375m · wind 15 km/hDía volable, condiciones decentes, base de cúmulos ~1288 m, viento 10 km/h.
base ~1288m · wind 10 km/hCondiciones marginales, base de cúmulos ~2127 m, viento 6 km/h.
base ~2127m · wind 6 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20❌ Not recommended · peak 55 at 17h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 45 ☁️⚠️ | 09 45 ☁️⚠️ | 10 45 ☁️⚠️ | 11 45 ☁️⚠️ | 12 45 ☁️⚠️ | 13 45 ☁️⚠️ | 14 45 ☁️⚠️ | 15 45 ☁️⚠️ | 16 45 ☁️⚠️ | 17 55 ☁️⚠️ | 18 45 ☁️⚠️ | 19 55 ☁️⚠️ | 20 45 ☁️⚠️ |
Peak 17h: CAPE 30 J/kg · LI 1.0 · BL top 1590 m · w* 0.0 m/s · cloud base 2795 m · 0°C at 2180 m · Pro score 52/100 · sun 17° over slope
2026-04-21⚠️ Marginal · peak 55 at 10h
- Cloud suck alto (99/100) — base bajo freezing con CU
| 08 35 ☁️⚠️ | 09 25 ☁️⚠️ | 10 55 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 50 ☁️⚠️ | 14 50 ☁️⚠️ | 15 50 ☁️⚠️ | 16 55 ☁️⚠️ | 17 55 ☁️⚠️ | 18 50 ☁️⚠️ | 19 50 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 10h: CAPE 10 J/kg · LI 3.6 · BL top 650 m · w* 0.0 m/s · cloud base 2720 m · 0°C at 1760 m · Pro score 50/100 · sun 35° over slope
Hourly flyability (0–100). ⛈️ = storm risk · ☁️⚠️ = cloud suck · 🏔️ = active ridge lift. CAPE = convective energy, LI = stability, BL top = thermal ceiling, w* = estimated dry thermal velocity. Source: Open-Meteo (ECMWF/GFS/ICON blend model).
Estimated vertical profile (Sounding)
Reference time: 17:00 (peak of the day)
Surface T: 1.1°C · Td: -3.8°C
LCL (cloud base): 612 m
BL top: 1590 m
0°C level: 2180 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 5 | Medium |
| Avg thermal probability | 0.75 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.60 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Upcoming competitions in this country
- PWCA Italy Gemona 2026 · 2026-07-25 – 2026-08-01 · PWCA
Copa del Mundo en Gemona del Friuli, Italia
Rules and notes
underneath LS-R43! Airspaces in Switzerland are a tough subject, get all the info you can get before flying: http://www.flyland.ch. DABS (active danger areas etc): http://www.skybriefing.com/portal/
Nearby sites
Prodkamm (63) · Glannachopf (44) · Flums -Schönhalden (Schoenhalden) (42) · Grabserberg (38) · Säntis (48) · Flumserberge -Maschgenkamm (65)