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Avalanche Forecast

Archived

Jan 29th, 2026–Jan 30th, 2026

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

Regions

Kootenay Boundary, Purcells, Bonnington, Grohman, Kootenay Pass, Norns, Ymir, Crawford, St. Mary, Kokanee, Retallack.

Assess conditions and look for signs of instability.

Be prepared to dial back your terrain choices as storm slabs increase in size and likelihood.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are confident the likelihood of avalanches will increase with the forecast weather.

Avalanche Summary

There have been no new avalanches reported in over a week.

Snowpack Summary

By Friday afternoon 15 to 30 cm of snow could overlie the late January surface hoar/crust layer. This new snow will be accompanied by southwest wind meaning that the crust will likely remain on the surface on southerly aspects and deeper deposits will be found on north and east aspects. The surface hoar is largest on sheltered treeline and below treeline features.

The mid and lower snowpack is well settled.

Weather Summary

Thursday Night
Cloudy. 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Friday
Cloudy. 3 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Saturday
Mostly cloudy. 3 to 4 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -2 °C.

Sunday
Mix of sun and clouds. 3 to 5 cm of snow at treeline with rain below treeline. 40 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Make observations and continually assess conditions as you travel.
  • Closely monitor how the new snow is bonding to the old surface.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.