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Avalanche Forecast

Archived

Apr 24th, 2026–Apr 27th, 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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Purcells, Crawford, Dogtooth, East Purcell, Moyie, St. Mary, West Purcell.

Avalanches are unlikely anywhere a hard crust is on the snow surface. Use caution around cornices and in extreme terrain, where any avalanche could have severe consequences.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

Avalanche activity rapidly declined the past couple of days with cooler weather.

Looking forward, avalanche activity is unlikely anywhere a thick and hard crust is on the snow surface. Travel safely near cornices. Use caution in extreme terrain, where small, loose or slab avalanches could push you off your feet.

Snowpack Summary

Anywhere from a dusting to 10 cm of snow overlies a hard melt-freeze crust. Isolated wind slabs may be found on southerly slopes in the high alpine. Periods of snow this weekend will build on this. The snow surface may melt on sun-exposed slopes and at lower elevations during the heat of the day.

Numerous hard crusts are found in the top half of the snowpack. In the high alpine near Invermere, a layer of weak facets may persist above one of these crusts, found 30 to 80 cm deep.

The snowpack continues to melt below treeline.

Weather Summary

Friday Night
Partly cloudy. 20 km/h north ridgetop wind. Treeline temperature -8 °C.

Saturday
Mix of sun and clouds with isolated flurries. 1 cm of snow. 10 km/h north ridgetop wind. Treeline temperature rising to -5 °C. Daytime freezing level rising to 1700 m.

Sunday
Cloudy. 2 to 5 cm of snow. 10 km/h east ridgetop wind. Treeline temperature rising to -5 °C. Daytime freezing level rising to 1700 m.

Monday
Mostly cloudy. 2 to 5 cm of snow. 10 km/h west ridgetop wind. Treeline temperature rising to -2 °C. Daytime freezing level rising to 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Periods of low danger may be a good time to increase your exposure.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.
  • Limit exposure to steep, sun exposed slopes, especially when the solar radiation is strong.
  • Carefully evaluate steep lines for wind slabs.

Problems

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.

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.