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Avalanche Forecast

Archived

Mar 13th, 2026–Mar 14th, 2026

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

Regions

Sasquatch, Coquihalla, Harrison-Fraser, Manning, Skagit.

Human-triggered avalanches remain possible after a week of snow accumulating over a crust and periods of strong wind.

Confidence

Low

  • We are uncertain due to a limited number of field observations.
  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

We do not have any recent reports of avalanches, but suspect recent avalanche activity has occurred in the alpine during periods of rapid loading from heavy snow and/or wind transport.

If you are heading into the backcountry, please share any observations with the Mountain Information Network.

Snowpack Summary

Approximately 60 to 100 cm of snow has accumulated over the past week, burying a widespread crust at treeline and below. In alpine terrain, this crust is likely thin or absent. Periods of strong southwesterly wind have redistributed the new snow in exposed areas at higher elevations.

A crust with facets may exist 100 to 200 cm below the surface, primarily on northerly aspects at higher elevations. This layer appears unreactive but continues to be monitored.

The remaining snowpack appears strong and well-bonded.

Weather Summary

Friday Night
Mostly cloudy. 1 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -8 °C.

Saturday
Mostly cloudy. 1 to 2 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -9 °C.

Sunday
Mostly cloudy. 1 to 3 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Monday
Mostly cloudy. 5 to 10 mm of precipitation as snow or rain at treeline. 80 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • If you are increasing your exposure to avalanche terrain, do it gradually as you gather information.
  • Closely monitor how the new snow is bonding to the crust.
  • Be alert to conditions that change with elevation and sun exposure.

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.