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Avalanche Forecast

Archived

Feb 3rd, 2026–Feb 4th, 2026

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

Regions

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

New snow and strong winds will be building reactive slabs - stick to conservative terrain.


Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.

Avalanche Summary

No new avalanches have been reported.

With up to 20 cm of new snow and strong winds in the forecast, the danger has been elevated. This means large natural avalanches are possible and human-triggering is likely.

Observations are still limited, so be sure to post yours to the MIN if you get out!

Snowpack Summary

Up to 30 cm of new snow accompanied by strong southerly winds is expected overnight and through Wednesday. The highest snowfall amounts are for the White Pass area, with lesser amounts inland.

A crust with surface hoar overtop may be found 20 to 50 cm deep in sheltered areas. Wind slabs may be more reactive where they overlie this layer.

A weak layer of facets is buried 70–200 cm. It remains a concern where the snowpack transitions from thin to thick in White Pass and is the primary issue in shallower inland areas with basal depth hoar.

Weather Summary

Tuesday Night

Cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Wednesday

Cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 40 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Thursday

Mostly cloudy. 5 to 20 mm of precipitation as snow or rain at treeline. 70 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Friday

Mostly cloudy. 1 to 3 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 700 m.





More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.
  • Avoid areas where the snow feels stiff and/or slabby.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

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.

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.