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Avalanche Forecast

Archived

Jan 17th, 2026–Jan 18th, 2026

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Glacier.

Rugged travel below 1900m may be the biggest hazard, where a breakable crust caps the snowpack.

Allow extra time for your egress!

Confidence

High

  • Confidence is due to a stable weather pattern; little change is expected for several days.

Avalanche Summary

Small solar triggered sloughing was observed today from steep, rocky features in the alpine.

There were reports of a few fresh avalanches up to size 2.5 locally and from neighboring operations on Wednesday - some triggered by cornice fall.

Artillery control in Rogers Pass on Monday produced numerous avalanches from size 2.5 to 3.5. There was also a natural avalanche cycle during this stormy period, with avalanches running to valley bottom.

Snowpack Summary

A breakable surface crust exists on all but high alpine slopes, which is problematic for skiing.

The mid and lower snowpacks are well settled and strong.

Weather Summary

High pressure remains dominant over the next several days. An alpine temperature inversion will remain, however not as strong as Saturday.

Tonight Cloudy. Alpine low -5°C. Light North ridgetop winds. Freezing level (FZL) at valley bottom.

Sun Mainly sunny. High -4 °C. FZL 800m. Light N wind.

Mon Mix sun/cloud. Low -7 °C, High -3 °C. FZL 1100m. Light W wind.

Tues Mainly cloudy. High -6°C. FZL 1000m. Light NW wind.

Terrain and Travel Advice

  • A hard crust on the snow surface will help strengthen the snowpack, but may cause tough travel conditions.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Watch for areas of hard wind slab on alpine features.

Problems

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.