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Avalanche Forecast

Archived

Dec 5th, 2025–Dec 6th, 2025

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

Regions

Clearwater, South Okanagan, Shuswap, North Okanagan.

The size and likelihood of triggering an avalanche will increase with incoming weather. Adjust your terrain choices appropriately.

Confidence

High

Avalanche Summary

No recent avalanches have been reported. However, we do expect both natural and human-triggered avalanches to increase through the weekend.

Please consider posting a MIN if you are heading out in the backcountry!

Snowpack Summary

By Saturday morning, as much as 30 cm of new snow may have accumulated in the past 24 hours. Westerly winds are redistributing new snow into deeper deposits on leeward slopes at higher elevations.

Roughly 40 to 60 cm of recent snow now overlies a variety of old surfaces, from surface hoar and facets in sheltered terrain, a thin sun crust on south-facing slopes, and firm, previously wind-affected surfaces at higher elevations.

The mid and lower snowpack includes various crust layers from November.

Snow depths at treeline vary from about 60 to 120 cm and decrease dramatically at lower elevations.

Weather Summary

Friday Night
Cloudy. 5 to 15 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1100 m.

Saturday
Cloudy. 10 to 15 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1300 m.

Sunday
Cloudy. 4 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 900 m.

Monday
Cloudy. 2 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1400 m.


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.
  • Watch for fresh storm slabs building throughout the day.
  • Be aware of the potential for larger than expected storm slabs due to buried surface hoar.
  • Be careful as you transition into wind-affected 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.