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Avalanche Forecast

Archived

Jan 5th, 2026–Jan 6th, 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 and human triggered avalanches likely.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Lizard-Flathead, Akamina, Flathead, Lizard, Crowsnest South.

Recent snow may not bond well to previous surfaces. Expect to find more reactive deposits around ridges and steep rolls.

Confidence

Moderate

  • We are confident the likelihood of avalanche will increase with the arrival of the forecast weather.

Avalanche Summary

On Monday, explosives triggered storm slab avalanches to size 2. Additionally, two natural cornice failures triggered storm slab avalanches to size 2.5 on the slope below.

On Saturday and Sunday, storm slab avalanches up to size 2 failed naturally and were triggered by riders and explosives; most had crowns 20 to 40 cm thick, the thickest crown reported was 80 cm.

Snowpack Summary

20 to 30 cm fresh snow burried a variety of surfaces, including surface hoar in wind-sheltered terrain and a sun crust on south-facing slopes. Below treeline, moist snow is transitioning to crust.

Another 20 to 40 cm of snow covers a thin melt-freeze crust that formed Dec 24 at elevations around 2000 m and below.

The mid and lower snowpack is characterized by multiple crusts, with moist snow persisting near the base in some areas.

Snow depths at treeline generally range from approximately 100 to 220 cm.

Weather Summary

Monday night

Mostly cloudy. 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -6 °C. Freezing level 1300 m.

Tuesday

Mostly cloudy. 5 to 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C. Freezing level 300 m.

Wednesday

Mostly cloudy. 15 to 20 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -8 °C. Freezing level 1000 m.

Thursday

Mostly cloudy. 5 to 20 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -9 °C. Freezing level 400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

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.