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Avalanche Forecast

Archived

Apr 22nd, 2026–Apr 23rd, 2026

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

Regions

Lizard-Flathead, South Rockies, Akamina, Flathead, Lizard, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

A mix of snow and rain is expected to fall on an already weakened snowpack following recent above-freezing temperatures. Avoid large avalanche terrain until the snowpack has time to adjust.

Confidence

Low

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

Avalanche Summary

Both skier-triggered and natural wet avalanches up to size 2 were reported on Monday in the Fernie area. Check out the MIN report for more details.

Snowpack Summary

At higher elevations, new snow will bury generally moist snow surfaces, while lower elevations will see a mix of rain and snow falling onto a moist or isothermal snowpack.

A weak layer of facets above a hard crust may persist 50 to 70 cm deep. This layer hasn't produced avalanches in over a week.

Facets exist at the base of the snowpack in shallow areas.

Weather Summary

Wednesday Night
Cloudy. 5 to 15 mm of precipitation as snow or rain at treeline. 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 2000 m.

Thursday
Mostly cloudy. 5 to 10 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -7 °C. Freezing level 1400 m.

Friday
Mix of sun and clouds. 2 to 5 cm of snow. 20 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Saturday
Mix of sun and clouds. 1 to 5 cm of snow. 10 km/h southwest ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
  • Watch for rapidly changing conditions during periods of heavy loading from new snow, wind, or rain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.

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.