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Avalanche Forecast

Archived

Nov 30th, 2025–Dec 1st, 2025

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Purcells, South Rockies, Dogtooth, East Purcell, Bull, Elkford East, Elkford West.

Where the snow is deeper, travel is easier and also where wind slabs are likely to linger. Assess steep slopes for dense or stiff snow before committing.

Confidence

Low

Avalanche Summary

No recent avalanches have been reported.

Snowpack Summary

Total snowpack depths are roughly 60 to 80 cm, tapering quickly at lower elevations.

The upper snowpack is variable, with wind-affected surface snow in open terrain and softer snow in sheltered areas. This overlies a crust that formed in early November. The lower snowpack consists of multiple crusts, and in some areas a layer of weak, sugary facets can be found near the ground.

In many areas, especially below treeline, there is not enough snow to smooth out surface roughness or reach the threshold needed for avalanches.In many areas, especially below treeline, there is not enough snow to smooth out surface roughness and be above the threshold for avalanches.

Weather Summary

Sunday Night

Partly cloudy. 20 km/h west ridgetop wind. Treeline temperature -10 °C.

Monday

Increasing cloud. Overnight flurries, 2 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -7 °C.

Tuesday

Cloudy. Isolated flurries.1 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -8 °C.

Wednesday

Partly cloudy. 1 cm of snow at treeline. 20 km/h west ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Carefully evaluate steep lines for wind slabs.
  • Be cautious of buried obstacles, especially below treeline.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.