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Avalanche Forecast

Archived

Apr 5th, 2026–Apr 6th, 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 unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Wet avalanches remain a concern in the sun and warmth.

Large cornice falls may trigger deeper layers on the slopes below. Be cautious of overhead hazard.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are confident the likelihood of avalanches will increase with the forecast weather.

Avalanche Summary

Evidence of a previous wet avalanche cycle was reported in the MIN from Saturday.

If you are heading into the backcountry, consider sharing your observations and posting a MIN.

Snowpack Summary

While overnight cooling may produce a surface crust, snow surfaces will rapidly become moist/wet with sunshine and rising temperatures. High north facing slopes may still hold dry, cold snow. Give cornices a wide berth as temperatures rise.

Up to 45 cm of new snow has fallen over the past week and been redistributed by wind. In some areas, this snow overlies a melt-freeze crust, creating an ideal sliding surface. This new snow is settling and bonding with 50 cm of snow that is above a widespread, thick, and hard crust that exists everywhere except the highest alpine terrain.

The lower snowpack is generally strong and bonded.

Weather Summary

Sunday Night
Clear skies. 20 km/h southwest ridgetop wind. Treeline temperature 7 °C. Freezing level 2800 m.

Monday
Sunny. 40 km/h southwest ridgetop wind. Treeline temperature 5 °C. Freezing level 2500 m.

Tuesday
Mostly sunny. 1 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1500 m.

Wednesday
Mostly sunny. 10 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snowpack warms up and weakens, the more conservative your terrain selection should be.
  • Travel early on sun-exposed slopes before cornices weaken with daytime warming.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

Problems

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.

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.