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Avalanche Forecast

Archived

Jan 7th, 2026–Jan 8th, 2026

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

Regions

Lizard-Flathead, Akamina, Flathead, Lizard.

Storm slabs remain reactive to human triggers and are likely more reactive where snow has been wind affected.

Assess the snow as you travel, and back off if you see signs of instability.

Confidence

Moderate

  • Uncertainty is due to how quickly the snowpack will recover and gain strength.

Avalanche Summary

On Wednesday explosives triggered storm slab avalanches to size 1.5.

A surface hoar layer can be found down 60 cm on Wednesday the South Rockies Field Team had some test results indicating this layer is possible to human trigger.

Snowpack Summary

Recent accumulated snow has been redistributed by strong southwest wind. This overlies wind affected snow at upper elevations and settling snow at treeline. A spotty surface hoar layer can be found in sheltered terrain features.

A melt-freeze crust that formed Dec 24 can be found down 40 to 60 cm from the surface 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

Wednesday Night
Mostly cloudy. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Thursday
Mostly cloudy. 3 to 5 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -9 °C.

Friday
Mix of sun and clouds. 1 to 3 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -9 °C.

Saturday
Mix of sun and clouds. 1 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -4 °C. F

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Surface hoar distribution is highly variable. Avoid generalizing your observations.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Keep your guard up as storm slabs may remain sensitive to human triggering.

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.