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Avalanche Forecast

Archived

Dec 3rd, 2025–Dec 4th, 2025

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

Regions

Yukon, Tutshi, Wheaton, White Pass East, White Pass West.

The season is young and observations are minimal.

Verify conditions and be cautious with your movement and terrain selection.

Barely buried rocks could be a hazard in the case of any fall.

Confidence

Low

Avalanche Summary

No new avalanches have been reported.

In general, observations are limited this time of year. Be sure to verify conditions as you go. This MIN (Mountain Information Network) post is a great example of folks who found concerning wind slab, investigated further, and decided to ride a different area based on their snowpack tests.

If you are getting out in the backcountry, consider making a post on the MIN.

Snowpack Summary

Expect to find soft snow in sheltered areas, and wind slab on leeward slopes due to moderate to strong west or southwest wind. Recent light rain around highway elevation has made things a little soggy, with a breakable crust as you get a bit higher.

Wind has varied in direction over the past week, expect exposed areas to be generally wind-affected.

Below ridgetops there is an average snowpack depth of 100 cm. Snowpack depth tapers with elevation to around 60 cm at the highway. Many early season hazards are just below the surface at this elevation.

Weather Summary

Wednesday Night
Mostly cloudy. 1 to 2 cm of snow. 25-40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 900 m.

Thursday
Cloudy. 3 to 4 cm of snow. 25 km/h west ridgetop wind in the morning, dropping to 10 km/h. Average treeline temperature -5 °C. Freezing level dropping from 900 m to 200 m.

Friday
Mostly cloudy. 5 cm of snow. 10 km/h southwest ridgetop wind. Treeline temperature -9 °C. Freezing level 0 m.

Saturday
Mostly cloudy. 4 to 10 cm of snow. 10 km/h east ridgetop wind. Treeline temperature -13 °C. Freezing level 0 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Make observations and continually assess conditions as you travel.
  • Be careful as you transition into wind-affected terrain.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.

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.