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Photo locations · Jura · Switzerland

Chasseral: sunrise photography forecast

Chasseral is a clarity location. On an ordinary evening it is a pleasant ridge; after a cold front or a Föhn clearance the whole Alpine chain appears at once, from Säntis across the Bernese Alps to Mont Blanc. That difference is entirely about air, which is what makes it worth checking a forecast before driving up.

Sunset tomorrowSunset TuesdaySunset Wednesday

Will tomorrow's sunrise be worth it?

Simplified forecast from the open model run. The full forecast — a second model, your exact viewpoint, the hourly cloud timeline — is in the app.

in 9h 4m

Mostly unlit cloud canvas

Little usable low-sun light expected

Sky colors

Golden hour
Sunrise

Light corridor: partly open

Why: Some cloud sits along the sun's path, so light may get through only in places.

  • Light path: partly blocked (48% blocking cloud at the ray's height)
  • Sun: likely hidden. You're above the low cloud (1570 m), but a solid mid-level deck (100%) sits over it; the sun stays screened from above.
Viewer's line of sight, tangent to the Earth at your locationNear-ground relative humidity19% cover — too thin to draw as cloud20% cover — too thin to draw as cloud11% cover — too thin to draw as cloud11% cover — too thin to draw as cloud15% cover — too thin to draw as cloud10% cover — too thin to draw as cloud11% cover — too thin to draw as cloud11% cover — too thin to draw as cloud7% cover — too thin to draw as cloud9% cover — too thin to draw as cloud14% cover — too thin to draw as cloudConnected cloud layer · 10–49% cover · 10–25% visual uncertaintyConnected cloud layer · 0–100% cover · 45–45% visual uncertaintyConnected cloud layer · 22–22% cover · 10–10% visual uncertaintyConnected cloud layer · 0–100% cover · 10–45% visual uncertaintyConnected cloud layer · 27–100% cover · 45–65% visual uncertaintyConnected cloud layer · 49–49% cover · 10–10% visual uncertaintyConnected cloud layer · 37–37% cover · 10–10% visual uncertaintyConnected cloud layer · 0–100% cover · 45–45% visual uncertaintyConnected cloud layer · 1–100% cover · 10–45% visual uncertaintyConnected cloud layer · 65–100% cover · 45–45% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 1–100% cover · 10–45% visual uncertaintyConnected cloud layer · 65–100% cover · 45–45% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 1–100% cover · 10–45% visual uncertaintyConnected cloud layer · 100–100% cover · 10–10% visual uncertaintyConnected cloud layer · 100–100% cover · 45–45% visual uncertaintyConnected cloud layer · 1–100% cover · 10–45% visual uncertaintyConnected cloud layer · 100–100% cover · 10–10% visual uncertainty-5 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is not0 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is not5 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is not20 km · 1.6 km of air with no pressure level in it — the decks above and below are measured, this span is notlow cloud · 91% reported, 22% resolved on a pressure surface — 69% is somewhere between 0.78 and 3 kmhigh cloud · 96% reported, 3% resolved on a pressure surface — 93% is somewhere between 8 and 12 kmlow cloud · 89% reported, 22% resolved on a pressure surface — 67% is somewhere between 1.57 and 3 kmhigh cloud · 95% reported, 3% resolved on a pressure surface — 92% is somewhere between 8 and 12 kmhigh cloud · 98% reported, 3% resolved on a pressure surface — 95% is somewhere between 8 and 12 kmlow cloud · 60% reported, 37% resolved on a pressure surface — 23% is somewhere between 0.48 and 3 kmhigh cloud · 100% reported, 9% resolved on a pressure surface — 91% is somewhere between 8 and 12 kmlow cloud · 90% reported, 41% resolved on a pressure surface — 49% is somewhere between 0.97 and 3 kmlow cloud · 84% reported, 23% resolved on a pressure surface — 61% is somewhere between 1.97 and 3 km5 km · the model says the lowest depicted cloud underside may catch orange light5 km · the model says the lowest depicted cloud underside may catch red light · lit on one reading: the strongest cloud toward the sun was set aside, and counting it would have darkened this deck20 km · the model says the lowest depicted cloud underside may catch orange light20 km · the model says the lowest depicted cloud underside may catch red light50 km · the model says the lowest depicted cloud underside may catch red light50 km · the model says the lowest depicted cloud underside may catch red light50 km · the model says the lowest depicted cloud underside may catch red light100 km · the model says the lowest depicted cloud underside may catch red light

Terrain is drawn for illustration only — it is not used to calculate underlight or obstruction.

cloud-cover fieldinterpolation uncertaintysun directionnear-ground humiditycloud at unresolved heightmodelled underlightunderlight · height uncertainunderlight · lit on one readinglit but hidden behind nearer cloud

Forecast refreshed a few hours before sunrise.

Know the light
before it happens

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For photographers: shooting Chasseral

Best months

Spring to autumn while the summit road is open. Winter rewards the walk in when visibility is exceptional.

Suggested focal lengths

100–400 mm to compress the Alpine chain; 24–70 mm when the Jura meadows give you a foreground

Composition

Decide early whether the subject is the distant chain or the ridge you are standing on — they need different lenses and different spots.

Recommended arrival

45 minutes before sunset if you drive up; add the full route time in winter.

Access planning

Drive to the summit in season. In winter the road closes and you take the marked hiking or snowshoe route.

Parking: Summit parking when the road is open; valley parking at the winter trailhead

Approach: Short walk from summit parking, or a marked winter route

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