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Avalanche Forecast

Archived

Apr 3rd, 2026–Apr 4th, 2026

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

Regions

Glacier.

Increased wind on Friday will create wind slabs in exposed terrain.

Use caution near ridge top and on leeward slopes.

Confidence

High

  • We are confident due to a stable weather pattern.

Avalanche Summary

No notable natural avalanches have been observed over the last few days in Glacier park. See MIN report for small, human triggered wind slab on Wednesday.

Near neighbours have been reporting cornice failures this week, both natural and explosive triggered.

A widespread, natural avalanche cycle occurred up to size 4.0 on Mar 19-20 during the atmospheric river. Check out pics from this exceptional avalanche cycle in the MIN Reports.

Snowpack Summary

A widespread sun crust can be found near the surface on soar aspects. Sheltered polar alpine terrain holds dry, loose snow sitting over a firm crust. Wind slabs might be lingering in exposed terrain.

Large cornices can found on ridgetops.

A series of crusts formed in March are present down 50-150 cm.

Travel can be challenging below treeline with frozen tree bombs and huge avalanche debris from the mid-March atmospheric river.

Weather Summary

Rising temps and flurries.

Tonight Isolated flurries, trace precipitation. Alpine low -4°C. Ridge wind SW 25-45km/h. Freezing level (FZL) 1500m

Sat Cloudy, isolated flurries, trace amounts. High -3°C. Wind W 15-35km/h. FZL 1800m.

Sun Cloudy, isolated flurries, trace amounts. Alp High 2°C. Wind S 10-25km/h. FZL 2500m

Mon Cloudy, isolated flurries, trace amounts. Alp High 4°C. Wind S 15 gusting to 40. FZL 2500m

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

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.