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Avalanche Forecast

Archived

Jan 3rd, 2026–Jan 4th, 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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Stormy weather will continue throughout Sunday.

Human-triggered wind slabs are possible, especially near ridge crests and rollovers.

Confidence

Moderate

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanches were reported, but observations remain limited.

If you are heading into the backcountry, please consider sharing your observations via the Mountain Information Network.

Snowpack Summary

Trace amounts of wet snow have fallen in upper elevations on Saturday morning, while rain has transformed the surface into soft, moist snow at treeline and below.

This overlies a variety of surfaces, including a crust on south-facing aspects and wind-affected snow on north-facing terrain.

The mid-December crust is 150 to 250 cm deep. This crust is 30 cm thick and well-bonded to the snow above.

In general, the snowpack is well settled and right-side up.

Weather Summary

Saturday Night

Cloudy. Up to 5 cm of snow at treeline. 40 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.

Sunday

Cloudy. 10 to 15 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.

Monday

Cloudy. Up to 5 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -4 °C.

Tuesday

Cloudy. 15 to 25 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Watch for newly formed and reactive wind slabs 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.