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Avalanche Forecast

Archived

Apr 10th, 2026–Apr 11th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Dogtooth, East Purcell, West Purcell.

Cornice failures may trigger large avalanches on the slopes below.

Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

Confidence

Moderate

  • We are uncertain about how the snowpack will react to the forecast weather.

Avalanche Summary

No new avalanches were reported on Thursday.

Observations from this region are currently very limited. Please consider submitting a MIN to let us know what you're seeing out there.

Snowpack Summary

Poor overnight crust recovery caused by cloudy skies and very high freezing levels are increasing the likelihood of cornice failures and wet avalanches.

Moist snow surfaces exist up to mountain tops.

A thick crust from mid-March is 20 to 60 cm deep, which extends up to about 2400 m. Near Invermere, weak sugary facets may be found above this crust.

In shallow snowpack areas, depth hoar (large facets) can be found near the bottom of the snowpack.

Snowpack depth tapers rapidly at lower elevations.

Weather Summary

Friday Night
Clear skies. 10 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2900 m.

Saturday
Mostly cloudy. 20 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 2800 m.

Sunday
Mostly cloudy. 10 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 2400 m.

Monday
Mix of sun and clouds. 0 to 5 cm of snow above 1700 m (rain below). 20 km/h west ridgetop wind. Treeline temperature 1 °C. Freezing level 2400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
  • Avoid travelling on slopes below cornices.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.
  • Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

Problems

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.

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.