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Avalanche Forecast

Archived

Apr 11th, 2026–Apr 12th, 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 possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast, North Shore, Sasquatch, Sky Pilot, Tetrahedron, Coquihalla, Harrison-Fraser, Manning, Skagit.

There's still snow up there if you aren't one to let a bit of rain stop you! Be ready to manage variably crusty or isothermal snow and lingering cornices if you head out.

Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

Avalanche Summary

A cornice failure was observed near the Lions on the North Shore at around noon on Monday, believed to have failed within 12 hours of that time. Check out the report HERE.

Otherwise, no recent avalanches have been reported and little activity is expected under current conditions.

Observations are starting to taper off in many regions. If you get out into the backcountry, post a MIN!

Snowpack Summary

Tuesday's forecast gives us something to look forward to!

Otherwise, cloud cover and light rain continue to work against crust recovery, likely keeping the snowpack near an isothermal state as it continues to melt away. We lost about 30 cm at 1360 m on the North Shore in the last week as well as at Coquihalla Summit. By now, a sprinkling of rain has likely affected even the region's highest north-facing slopes.

Minimal forecast rain doesn't promise much change, but travelers should still watch for isothermal conditions. Other than making travel difficult, wet loose avalanche danger also develops when this condition is in play.

The snowpack diminishes especially rapidly below 1000 m and on solar aspects.

Weather Summary

Saturday Night
Cloudy with scattered showers, 1 to 3 mm. 0 to 5 km/h south ridgetop wind. Treeline temperature 3 °C. Freezing level 2000 m.

Sunday
Mostly cloudy with scattered showers, 1 to 2 mm. 10 km/h variable ridgetop wind. Treeline high temperature 5 °C. Freezing level to 2200 m.

Monday
Mostly cloudy with scattered showers, 3 to 5 mm, possible trace of alpine snow. 20 to 25 km/h southwest ridgetop wind, increasing. Treeline temperature 2 °C. Freezing level falling from 2200 m to 1700 m.

Tuesday
Cloudy with increasing snowfall bringing 20 to 30 cm of new snow above 1200 m, heavy rain below. 50 to 60 km/h southwest ridgetop wind. Treeline high temperature 0 °C. Freezing level to 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Cornices often break further back than expected; give them a wide berth when traveling on ridgetops.
  • Keep in mind that the high density of wet avalanches can make them destructive.

Problems

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.