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Avalanche Forecast

Archived

Feb 22nd, 2026–Feb 23rd, 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.
Below Treeline
Natural avalanches unlikely.

Regions

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

Wind increasing Sunday night with 15 cm forecast Monday. Current observations and outlook support moderate danger, but more snow or stronger wind than forecast will increase danger to considerable. Users should stay observant to local snow, loading and changing conditions tomorrow.

Confidence

Low

  • We are uncertain due to the timing, track, and intensity of the incoming weather system.

Avalanche Summary

Sunshine patrol reported triggering several small windslabs with one as big as size 2 with explosives. Otherwise no avalanches were observed or reported on Sunday.

Snowpack Summary

15 to 25 cm of recent snow overlays sun crusts on solar aspects and scoured alpine terrain. Winds picking up tonight will redistribute this snow and build fresh slabs in lee areas. Up to 15 cm more is forecast tomorrow, adding further load.

In some areas the Jan 24 surface hoar or crust is 25 to 35 cm down at treeline and below. Check before committing to bigger terrain. Snowpack below is generally strong and settled.

Weather Summary

A return to seasonal temperatures is expected, with valley temperatures around -2 and ridge temperatures near -10. Up to 15 cm of new snow is forecast Monday, depending on the model, accompanied by strong SW winds. These conditions will build fresh wind slabs.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.