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Avalanche Forecast

Archived

Mar 8th, 2026–Mar 9th, 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 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 unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Flathead, Lizard, Moyie.

Buried persistent weak layers continue to drive the hazard. Stick to conservative terrain and avoid slopes with overhead exposure.

Fresh wind slabs may be reactive at higher elevations.

Confidence

Moderate

  • We are uncertain about how quickly the snowpack will recover and gain strength.
  • We are uncertain due to the variability of wind effect on the snowpack.

Avalanche Summary

While reports of avalanche activity have tapered, the snowpack structure remains a concern.

Both wind and persistent slabs remain triggerable by riders.

Snowpack Summary

Light new snow and strong winds may build wind slabs at upper elevations. At lower elevations, rain has likely created a supportive surface crust.

Multiple weak layers of surface hoar/crust/facet combinations may be present within the upper meter of the snowpack. The late January surface hoar layer is buried 40–90 cm deep and has been responsible for most recent avalanches, primarily in steep, sheltered terrain at treeline and below. Reactivity appears lower near the ski hill and in the Lizard Range, but riders are still sporadically triggering it elsewhere across the region.

Weather Summary

Saturday Night
Cloudy. 2 to 4 mm of precipitation as snow or rain at treeline. 70 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

Sunday
Cloudy. 5 to 10 cm of snow. 70 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1700 m.

Monday
Mix of sun and clouds. 4 to 5 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -6 °C.

Tuesday
Mix of sun and clouds. 2 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make conservative terrain choices and avoid overhead hazard.
  • Watch for signs of instability like whumpfing, hollow sounds, shooting cracks, or recent avalanches.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.