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Avalanche Forecast

Archived

Jan 21st, 2026–Jan 22nd, 2026

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

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

Triggering a deeper layer may still be possible.

Thin snowpack or rocky areas are where the most concern exists.

Confidence

High

  • We are confident due to a stable weather pattern.

Avalanche Summary

January 16 to 21

  • No new avalanches reported but observations are limited. Consider posting to the MIN if you are out in the mountains!

Snowpack Summary

The upper 30 to 40 cm has been significantly altered by extreme southerly wind with scoured south facing slopes and loaded, pressed and sculpted, north facing slopes.

Below 1200 m and on south facing slopes a crust is present on or under the recent snow. This crust has a layer of surface hoar that is growing on it.

A weak layer of facets is buried 70 to 100 cm deep. In shallow snowpack areas, the bottom half of the snowpack is composed of weak depth hoar.

Weather Summary

Wednesday Night
Mostly clear. 20 km/h east ridgetop wind. Treeline temperature -9 °C.

Thursday
Mostly cloudy. 30 km/h northeast ridgetop wind. Treeline temperature -14 °C.

Friday
Mainly sunny. 20 km/h east ridgetop wind. Treeline temperature -14 °C.

Saturday
Sunny. 20 km/h southwest ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.
  • The more the snowpack warms up and weakens, the more conservative your terrain selection should be.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.