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Avalanche Forecast

Archived

Jan 4th, 2026–Jan 5th, 2026

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

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

  • Forecast precipitation (either snow or rain) amounts are uncertain.

Avalanche Summary

On Sunday, storm slab avalanches to size 2 failed naturally and were triggered by riders and explosives, with crowns up to 80 cm deep.

On Saturday, explosives triggered a few slab avalanches up to size 2. Natural avalanches to size 2 were reported, and riders triggered size 1 slabs.

On Friday, small pocket wind slabs were reactive to skiers in immediate lee areas.

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.

20 to 40 cm of snow since Christmas continues to settle above a thin melt-freeze crust 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

Sunday night

Mostly cloudy. Up to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Monday

Mostly cloudy. 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C. Freezing level 1300 m.

Tuesday

Mostly cloudy. 5 to 15 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C. Freezing level 300 m.

Wednesday

Mostly cloudy. 10 to 20 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -8 °C. Freezing level 110 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.