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Avalanche Forecast

Archived

Jan 29th, 2026–Jan 30th, 2026

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

Regions

North Rockies, East Kakwa, Tumbler.

Continued winds may build isolated wind slabs over a weak layer of surface hoar, crust, or facets along ridge crests.

Assess start zones for wind slabs before stepping out into steep terrain.

Confidence

Moderate

  • We are uncertain due to variable freezing levels.
  • We are uncertain due to a limited number of field observations.

Avalanche Summary

No new avalanches have been reported in the past week.

There are few observations from this region. If you are getting out, please share observations like weather and riding conditions to the Mountain Information Network.

Snowpack Summary

1 to 5 cm of new snow may sit over a widespread crust from mid January. This crust has begun to soften recently into surface facets in shady areas, improving ski quality. Strong southerly winds have been redistributing softer snow forming small wind slabs along ridgelines and steep terrain. Continued winds have stripped exposed alpine ridges back to hard, old surfaces and rock.

A layer of spotty surface hoar has grown on top of the crust in sheltered areas away from the wind. Forecasted warming is likely to break down these crystals below treeline.

The mid-December facet/crust layer is buried approximately 80 cm deep.

Check out this MIN from Core Lodge for more details.

Weather Summary

Thursday Night
Partly cloudy. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1300 m.

Friday
Mostly cloudy. 1 to 5 cm of snow at treeline. 70 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Saturday
Mix of sun and clouds. 1 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1500 m.

Sunday
Mix of sun and clouds. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Carefully evaluate steep lines for wind slabs.
  • Make observations and continually assess conditions as you travel.

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.