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Avalanche Forecast

Archived

Dec 10th, 2025–Dec 11th, 2025

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

Regions

South Coast, North Shore, Sasquatch, Sasquatch, Sky Pilot, Tetrahedron.

Precipitation is expected to end Wednesday night, but it’s still unclear how much will fall as rain versus snow. If you're heading out, please share your post-storm observations on the MIN.

Confidence

Low

Avalanche Summary

No recent avalanches have been reported. However, observations are extremely limited in this area.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Even if the region received up to 10 cm of fresh snow Tuesday night, rain has continued to saturate and melt the current snowpack, which is diminishing rapidly as you lose elevation.

A new melt-freeze crust has formed at or near the snow surface at upper elevations above 1600 m.

Treeline areas currently hold an estimated 30 to 50 cm of snow.

Weather Summary

Wednesday Night
Cloudy. 10 to 15 mm of rain. 60 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level lowering to 1600 m.
Thursday
Partially cloudy. 40 km/h northwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1200 m.

Friday
Cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 50 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1800 m.

Saturday
Cloudy. 10 to 15 mm of precipitation as snow or rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature +4 °C. Freezing level 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to rapidly changing conditions.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Be especially cautious as you transition into wind-affected terrain.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

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 Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.