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Avalanche Forecast

Archived

Jan 28th, 2026–Jan 29th, 2026

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

Regions

Banff Yoho Kootenay, Little Yoho, Banff, East Side 93N, Kootenay, Lake Louise, LLSA, Sunshine, West Side 93N, Field.

Low danger and generally stable snow persist.

Small inputs of snow and wind on Thursday and Friday may create a new windslab problem later in the week.

Confidence

High

  • We are uncertain whether the wind will be enough to form new wind slabs.

Avalanche Summary

No new avalanches observed or reported on Wednesday

Snowpack Summary

Extensive wind effect exists in the alpine, with some surface faceting helping to break down crusts and create softer skiing. In sheltered areas at treeline and below, widespread surface hoar was buried by a few centimetres on Saturday and is now the Jan 24 layer. A deeper surface hoar layer lies 50–60 cm down, but there have been no recent avalanches. Basal crust and/or facets exist in thin snowpack areas, but overall, this year's deeper snowpack is stronger than usual.

Weather Summary

Little change in the foreseeable future, although we may see some small accumulations of snow:
Thursday
Mostly cloudy. 1 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -6 °C.
Friday
Mostly cloudy. 2 to 3 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -5 °C.
Saturday
Mix of sun and clouds. 1 to 2 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -5 °C.

Terrain and Travel Advice

  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

Problems

Deep Persistent Slabs

Deep Persistent Slab avalanches are the release of a thick cohesive layer of hard snow (a slab), when the bond breaks between the slab and an underlying persistent weak layer deep in the snowpack. The most common persistent weak layers involved in deep, persistent slabs are depth hoar or facets surrounding a deeply buried crust. Deep Persistent Slabs are typically hard to trigger, are very destructive and dangerous due to the large mass of snow involved, and can persist for months once developed. They are often triggered from areas where the snow is shallow and weak, and are particularly difficult to forecast for and manage.