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Avalanche Forecast

Archived

Jan 2nd, 2026–Jan 3rd, 2026

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

Regions

McGregor.

Avoid avalanche terrain at upper elevations and use increased caution below treeline.

Up to 80 cm of storm snow is creating very dangerous avalanche conditions.

Confidence

Moderate

  • Forecast snowfall amounts are uncertain.
  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanches have been reported, but observations are very limited in this zone. Of note, a very large naturally-triggered size 3.5 avalanche was reported just outside the eastern border of the region on Dec 31.

Looking forward: Human and naturally-triggered avalanches are likely to very likely this weekend. The hazard will increase as storm snow accumulates on Saturday.

Snowpack Summary

Over 60 cm of snow has piled up in the region over the last few days, and another 20 cm is forecast to fall by Saturday afternoon. This snow has built deep and reactive storm slabs, with potential for very large avalanches.

The prominent mid-December crust is buried up to 150 cm deep and extends to 2200 m. Triggering this layer is considered unlikely, except with large loads.

Weather Summary

Friday Night
Cloudy. 5 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Saturday
Cloudy. 15 cm of snow. 10 km/h south ridgetop wind. Treeline temperature -4 °C.

Sunday
Mostly cloudy. 15 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Monday
Mix of sun and clouds. 4 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -10 °C.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use increased caution at all elevations. Storm snow is forming touchy slabs.
  • Avoid avalanche terrain during periods of heavy snowfall.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Use conservative route selection. Choose simple, low angle terrain with no overhead hazard.

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.