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Avalanche Forecast

Archived

Dec 25th, 2025–Dec 26th, 2025

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

Regions

North Rockies, East Kakwa, Kakwa, McGregor, Pine Pass, Tumbler.

Recent wind has varied in direction, so watch for slabs on all aspects and in unusual places.

The best and safest riding will be on slopes that have soft snow without any slab properties.

Confidence

Moderate

  • Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

On Wednesday, wind slabs were reactive to snowmobile traffic on freshly loaded and cross-loaded southerly features near Pine Pass.

If you are heading into the backcountry, please consider sharing your observations via the Mountain Information Network.

Snowpack Summary

Recent wind has varied in direction and intensity, resulting in a variety of wind affect in exposed terrain.

A prominent crust, formed in mid-December, is now buried between 55 and 80 cm deep. This crust extends up to 1800 m near the Pine Pass area, and up to 2000 m near McBride.

In thin snowpack areas, faceted grains or depth hoar may exist at the base of the snowpack. The snowpack depth is around 200-240 cm at treeline.

For recent conditions near Torpy and Pine Pass, check out the MIN from our field team.

Weather Summary

Thursday Night

Partly cloudy. 1 to 3 cm of snow. 10 km/h south ridgetop wind. Treeline temperature -13 °C.

Friday

Mostly cloudy. 1 to 4 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -20 °C.

Saturday

Mostly sunny. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -25 °C.

Sunday

Mostly cloudy. 3 to 15 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -14 °C.

 

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Recent wind has varied in direction, so watch for wind slabs on all aspects.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.

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.