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Avalanche Forecast

Archived

Apr 1st, 2026–Apr 2nd, 2026

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

Regions

South Rockies, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Snowfall amounts may vary greatly over a short distance.

Avoid slopes that have been loaded by the wind.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.

Avalanche Summary

Small dry loose and wet loose avalanches continued on Tuesday.

Snowpack Summary

New snow likely buries a crust formed on south aspects from strong sun on Tuesday; no new crust is expected on shaded slopes.

A crust formed after the atmospheric river in early March is down 50 to 70 cm, and facets have been observed over the crust. This layer has been reactive in snowpack tests in the Crowsnest Pass.

Below this, the snowpack is generally well consolidated with facets at the base of the snowpack in shallow areas near Elkford.

Weather Summary

Wednesday Night
Cloudy. Up to 5 cm of snow. 20 km/h southeast ridgetop wind. Treeline temperature -3 °C.

Thursday
Cloudy. 1 to 10 cm of snow, highest amounts near Castle. 10 km/h northwest ridgetop wind. Treeline temperature -4 °C.

Friday
Mix of sun and clouds. 2 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -3 °C.

Saturday
Mostly sunny. 40 km/h west ridgetop wind. Treeline temperature -3 °C.

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.
  • If triggered, wind slabs may step down to deeper layers, causing larger avalanches.
  • Be aware of the potential for large avalanches due to buried weak layers.

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.