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Avalanche Forecast

Archived

Mar 25th, 2026–Mar 26th, 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, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Start on small, mellow slopes and watch for signs of instability before approaching steeper or larger slopes.

The recent snow may not be sticking well to the hard, smooth crust that it buried.

Confidence

Moderate

  • We are uncertain due to the track and intensity of the incoming weather system.

Avalanche Summary

No new avalanches have been reported.

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

Snowpack Summary

30-50 cm of recent snow is settling above a widespread thick and hard crust that exists everywhere except the highest alpine terrain. Before being buried, this crust was reported to be smooth and hard, and the snow above may not stick well to it. So far we have had no reports to confirm this though.

Extreme southwest wind on Tuesday gradually eased to moderate for Thursday, redistributing the storm snow into leeward terrain.

Older crust layers, now buried 100 to 200 cm deep, are no longer a concern, and the lower snowpack is generally strong and bonded.

Weather Summary

Wednesday Night
Mostly cloudy. 2 to 5 cm of snow, possibly 10 cm or more on the southwestern side of the Coquihalla Summit. 30-50 km/h west ridgetop wind. Treeline temperature -9 °C.

Thursday
Mostly cloudy. 20-40 km/h west ridgetop wind. Treeline temperature -9 °C.

Friday
Mix of sun and clouds. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Saturday
Mostly sunny. 40 km/h southwest ridgetop wind. Treeline temperature -3 °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

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.