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Avalanche Forecast

Archived

Mar 29th, 2026–Mar 30th, 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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Avalanche danger is improving as wind, snowfall, and temperatures have decreased.

Use good travel habits and carefully assess for wind slab danger before entering a large, steep slope.

Confidence

Moderate

  • We are uncertain about how the timing or intensity of solar radiation will affect the snowpack.

Avalanche Summary

On Friday a very large slab avalanche was reported in the 10 km riding area near the Coquhalla summit. The MIN may have been meant to post earlier in March though, based on the submission date and the weak layer mentioned.

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

Snowpack Summary

Expect to find 30-50 cm of settling snow (possibly moist or containing other thin crusts) above a widespread, thick, hard and smooth crust that exists everywhere except the highest alpine terrain.

Steep south facing slopes may be crusty or moist depending on time of day and sun exposure.

Due to consistent wind through last week's storm, expect the snow above the crust to be deeper in leeward terrain, exceeding 2 meters in some terrain features.

The lower snowpack is generally strong and bonded.

Weather Summary

Sunday Night

Mostly cloudy. 1 to 5 cm of snow. 25 km/h west ridgetop wind, dropping to 15 through the night. Treeline temperature -9 °C. Freezing level falling to valley bottom.

Monday

Mostly sunny. 15 km/h to calm northwest ridgetop wind. Treeline high -6 °C. Freezing level rising to 1200 m.

Tuesday

Mix of sun and clouds. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Wednesday

Mostly cloudy. 2 to 5 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -2 °C.





More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the crust.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

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.