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Avalanche Forecast

Archived

Mar 6th, 2026–Mar 7th, 2026

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, Tumbler.

Wind slabs remain the primary concern at higher elevations, where ongoing westerly winds continue to redistribute new and recent snow and build reactive slabs in exposed terrain.

Confidence

Low

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

Avalanche Summary

On Thursday, evidence of wind slab activity was observed size 1-2 in the Core Lodge area, primarily on north through east-facing aspects.

If you are heading into the backcountry, please share any observations with the Mountain Information Network.

Snowpack Summary

Recent snow and strong winds have buried a crust formed in mid-February up to 90 cm deep. This crust is expected to be most widespread and thickest at treeline and below, becoming thinner or absent at higher elevations. Weak, faceted snow may exist above the crust, or in place of the crust at higher elevations.

The remainder of the snowpack is generally well consolidated, with no widespread layers of concern. The main exception is shallow, rocky terrain, where the snowpack is inherently weaker and early-season basal weak layers may still persist.

Check out the AvCan field teams MIN report from Core Lodge on Thursday for more details.

Weather Summary

Friday Night
Cloudy. 1 to 5 cm of snow, or rain below 1200 m. 100 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.

Saturday
Cloudy. 2 to 5 cm of snow, or rain below 1300 m. 90 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.

Sunday
Mostly cloudy. 2 cm of snow. 70 km/h west ridgetop wind. Treeline temperature -5 °C. Freezing level 1000 m.

Monday
Mostly sunny. 40 km/h west ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep terrain.
  • Wind slabs are most reactive during their formation.
  • Avoid steep terrain, including convex rolls, or areas with a thin, rocky, or variable snowpack.

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.