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Avalanche Forecast

Archived

Jan 12th, 2026–Jan 13th, 2026

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

Regions

Glacier.

Rising temperatures will promote further avalanche activity in Rogers Pass. Until things cool down and the winds abate, expect hazardous avalanche conditions to continue.

Avoid exposure to all avalanche terrain.

Confidence

Moderate

  • Uncertainty is due to the timing, track, & intensity of the incoming weather system.

Avalanche Summary

With the ongoing storm, a natural avalanche cycle to size 3.5 is currently underway in Rogers Pass and will continue into Tuesday.

Recent MIN reports show a number of avalanche occurrences. A group heading to the Asulkan hut triggered an avalanche that involved 3 people, one who was mostly buried. Read about that here.

Neighboring operations are reporting both reactive windslab and persistent slab problems that are producing avalanches up to size 3.5!

Snowpack Summary

Warm temps and heavy snowfall has created a widespread storm slab. This is perched atop wind slabs in the Alpine and exposed Treeline areas.

Below this week's storm snow, a layer of surface hoar is buried 80-120cm deep in sheltered areas at treeline & below. On solar slopes, the storm snow sits over a crust which is also acting as failure plan for human triggered avalanches.

Weather Summary

Heavy snowfall continues Monday night while the temps rise into Tuesday.

Tonight: Snow, 20-25cm. Alp Low -3°C. Winds SW 30 km/h gusting to 45. Freezing level (FZL) 1500m

Tues Flurries, 5-10cm. Alp high 1°C. Winds SW 30-45km/h. FZL 2500m

Wed Mainly cloudy. Alp high 4°C with a weak inversion. Winds SW 30-40km/h. FZL 1900m

Thurs Cloudy with sunny periods. Alp high -1°C. Winds NW 15km/h. FZL 900m.

Terrain and Travel Advice

  • Avoid areas with overhead hazard.
  • Approach steep and open slopes at and below treeline cautiously, as buried surface hoar may exist.
  • Don't let the desire for deep powder pull you into high consequence terrain.

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.

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.