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Avalanche Forecast

Archived

Apr 12th, 2026–Apr 15th, 2026

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

Regions

Waterton Lakes, Waterton.

Wet loose avalanches will remain a problem until temperatures drop on Tuesday. An incoming storm on Wednesday will bring snow and wind. Lookout for building windslabs in exposed lee terrain.

Confidence

Moderate

  • We are uncertain about alpine conditions due to limited field observations.

Avalanche Summary

No new avalanches, but recent observations have been limited.

Snowpack Summary

This storm's precipitation will fall on top of snow, which is currently moist, but will begin to refreeze Tuesday. Under this, sits a thick crust, except on some north‑facing alpine slopes, where facets persist over the crust. The mid and lower snowpack are well settled with no notable weak layers.

Weather Summary

Monday

Showers, up to 6 mm of water. Alpine Low of 1 °C, High of 4 °C. Wind gusting to 50 km/h. Freezing level at 2500 m.

Tuesday

Scattered flurries. Up to 5 cm of snow. Alpine Low of -3 °C, High of 0 °C. SW wind gusting to 60 km/h. Freezing level at 2000 m.

Wednesday

Up to 19 cm of snow. Alpine Low of -4 °C, High of 0 °C. SW wind gusting to 65 km/h. Freezing level at 2000 m.

Current weather forecast: Mountain Weather Forecast

Terrain and Travel Advice

  • Keep in mind that the high density of wet avalanches can make them destructive.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

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.