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Avalanche Forecast

Archived

Dec 14th, 2025–Dec 15th, 2025

Alpine
Natural avalanches possible, human triggered probable.
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.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Lizard-Flathead, Akamina, Flathead, Lizard, Moyie.

Forecast snowfall amounts are uncertain.

If you're seeing greater than 20 cm of new snow, treat the danger as HIGH.

Confidence

Low

Avalanche Summary

No recent avalanche activity has been reported since the warm, wet storm earlier this week.

If you've been out in the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Around 5 cm of snow sits over a widespread melt–freeze crust, which varies in thickness and strength with elevation. Beneath this crust, the snow remains moist due to the recent warm and wet weather.

The mid-snowpack is generally well-settled and well-bonded, sitting above a thick melt-freeze crust that makes up most of the lower snowpack.

Snowpack depths at treeline range from 80 to 150 cm and thin rapidly at lower elevations.

Weather Summary

Sunday Night
Mostly cloudy with 1 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.

Monday
Cloudy with 10 to 20 mm of precipitation as snow or rain at treeline. 70 to 90 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1900 m.

Tuesday
Mostly cloudy with 15 to 20 mm of precipitation as snow or rain at treeline. 50 to 100 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1800 m.

Wednesday
Mostly cloudy with 25 to 50 cm of snow. 50 to 70 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Watch for fresh storm slabs building throughout the day.
  • Keep in mind that the high density of wet avalanches can make them destructive.

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.