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Avalanche Forecast

Archived

Mar 23rd, 2026–Mar 24th, 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 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.

Regions

Glacier.

Another storm will bring new snow and strong winds. The building storm slab will likely be reactive to human triggering.

Confidence

Moderate

  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

With the cooler temps avalanche activity has slowed down. There were no new avalanches observed in the last few days.

A widespread, natural avalanche cycle occurred up to size 3.5 in Rogers Pass Thursday and Friday. Explosive avalanche testing also produced results up to size 4 on Friday afternoon.

Check out some of the excellent MIN Reports with pics from the recent avalanche cycle.

Snowpack Summary

In the alpine, 100 - 150cm of recent snow has been redistributed by strong winds.

At treeline and below 10-20cms sits on a thick crust that has moist snow below. Another crust from early March is buried 60-140 cm deep.

The Feb 9 and Jan 26 surface hoar layers are now buried 150-210 cm deep. These layers have become less active with the colder temperatures.

Weather Summary

The incoming storm will bring snow and gusting winds.

Tonight Cloudy with flurries. Snow: 1-2cms. Alpine high -4°C. Winds SW 15 to 55km/h. Freezing level (FZL) 1400m.

Tues Snow, 17cm. Alpine high -2°C. Wind S 20 gusting to 75km/h. FZL 1600m.

Wed Snow: 10cm. Alpine high -3°C. Wind SW 25-gusting to 100km/h. FZL 1600m

Thur Mainly cloudy w flurries. No precipitation. Alpine high -6°C. Wind SW 15 gusting 40km/h. FZL 1000m

Terrain and Travel Advice

  • Avoid freshly wind-loaded terrain features.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

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.