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Avalanche Forecast

Archived

Nov 28th, 2025–Nov 29th, 2025

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
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, East Purcell, St. Mary, Bull, Crowsnest North, Elkford East, Elkford West.

Assess terrain as you gain elevation. Isolated wind slabs may linger in steep terrain features. In our thin early-season snowpack, even small avalanches can be dangerous

Confidence

Low

Avalanche Summary

No recent avalanches have been reported.

Snowpack Summary

Snowpack observations are limited. Total snowpack depths are roughly 60 to 70 cm at treeline, tapering quickly at lower elevations.

Roughly 20 to 30 cm of settled snow overlies a crust formed in early November. Weak, sugary snow can be found near the ground in the east Purcells.

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

Weather Summary

Friday Night

Clear skies. 10 km/h northwest ridgetop wind. Treeline temperature -12 °C.

Saturday

Mostly sunny. 10 km/h west ridgetop wind. Treeline temperature -10 °C.

Sunday

Sunny. 10 to 20 km/h west ridgetop wind. Treeline temperature -9 °C.

Monday

Partly cloudy. 10 km/h west ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If it's deep enough to ride, it's deep enough to slide (avalanche).
  • Be cautious of buried obstacles, especially below treeline.
  • If you are increasing your exposure to avalanche terrain, do it gradually as you gather information.

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.