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Avalanche Forecast

Archived

Jan 7th, 2026–Jan 10th, 2026

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

Regions

Waterton Lakes, Waterton.

Recent snowfall accompanied by strong to extreme winds have formed new wind slabs at all elevations. Wind slabs can remain sensitive long after snowfall, use caution in wind effected terrain features.

Confidence

Moderate

  • Uncertainty is due to difficult to forecast freezing levels.

Avalanche Summary

Both loose dry and wind slab avalanches have been observed over the past few days to size 2.5.

Snowpack Summary

Our last storm brought up to 60 cm of snow, which has been transported by strong winds.

The mid pack consists of settled snow, with the late December crust down 65-90 cm deep.

The lower snowpack is refrozen rain effected layers, which are still moist at ground in places.

Weather Summary

Thursday

Isolated flurries. Low of -11 °C, High of -10 °C. Wind occasionally gusting to 50 km/h. Freezing level at valley bottom.

Friday

A mix of sun and cloud. Low of -12 °C, High of -6 °C. W winds gusting to 40 km/h. Freezing level at valley bottom.

Saturday

Sunny with cloudy periods. Low of -7 °C, High of -2 °C. SW winds gusting to 45 km/h. Freezing level at 1800 m.

Current weather forecast: Mountain Weather Forecast

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.

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.